-package org.simantics.db.layer0.variable;\r
-\r
-import gnu.trove.map.hash.THashMap;\r
-\r
-import java.util.Collection;\r
-import java.util.Collections;\r
-import java.util.HashMap;\r
-import java.util.Map;\r
-import java.util.Set;\r
-\r
-import org.simantics.databoard.Bindings;\r
-import org.simantics.databoard.Databoard;\r
-import org.simantics.databoard.binding.Binding;\r
-import org.simantics.databoard.binding.StringBinding;\r
-import org.simantics.databoard.binding.error.BindingConstructionException;\r
-import org.simantics.databoard.binding.error.BindingException;\r
-import org.simantics.databoard.binding.mutable.Variant;\r
-import org.simantics.databoard.type.Datatype;\r
-import org.simantics.databoard.util.URIStringUtils;\r
-import org.simantics.datatypes.literal.GUID;\r
-import org.simantics.db.ReadGraph;\r
-import org.simantics.db.Resource;\r
-import org.simantics.db.WriteGraph;\r
-import org.simantics.db.common.procedure.adapter.TransientCacheAsyncListener;\r
-import org.simantics.db.common.request.PossibleIndexRoot;\r
-import org.simantics.db.common.request.PropertyMapOfResource;\r
-import org.simantics.db.common.utils.NameUtils;\r
-import org.simantics.db.exception.AdaptionException;\r
-import org.simantics.db.exception.DatabaseException;\r
-import org.simantics.db.layer0.exception.InvalidVariableException;\r
-import org.simantics.db.layer0.exception.MissingVariableException;\r
-import org.simantics.db.layer0.exception.MissingVariableValueException;\r
-import org.simantics.db.layer0.request.PossibleResource;\r
-import org.simantics.db.layer0.request.PropertyInfo;\r
-import org.simantics.db.layer0.request.VariableRVIRequest;\r
-import org.simantics.db.layer0.variable.RVI.GuidRVIPart;\r
-import org.simantics.db.layer0.variable.RVI.RVIPart;\r
-import org.simantics.db.layer0.variable.RVI.ResourceRVIPart;\r
-import org.simantics.db.layer0.variable.RVI.StringRVIPart;\r
-import org.simantics.db.layer0.variable.Variables.Role;\r
-import org.simantics.layer0.Layer0;\r
-\r
-/**\r
- * Abstract implementation of Variable -interface.\r
- * \r
- * @author Hannu Niemistö\r
- */\r
-public abstract class AbstractVariable implements Variable {\r
-\r
- @SuppressWarnings("rawtypes")\r
- final public VariableNode node;\r
-\r
- public AbstractVariable(@SuppressWarnings("rawtypes") VariableNode node) {\r
- this.node = node;\r
- }\r
-\r
- /**\r
- * Returns a variable that is not one of the standard properties listed\r
- * in <a href="https://www.simantics.org/wiki/index.php/Org.simantics.db.layer0.variable.Variable#Standard_required_properties">specification</a>.\r
- */\r
- protected abstract Variable getPossibleDomainProperty(ReadGraph graph, String name) throws DatabaseException;\r
- public abstract Variable getPossibleExtraProperty(ReadGraph graph, String name) throws DatabaseException;\r
- public abstract Variable getPossibleChild(ReadGraph graph, String name) throws DatabaseException;\r
- \r
- public abstract void collectExtraProperties(ReadGraph graph, Map<String, Variable> properties) throws DatabaseException;\r
- public abstract Map<String, Variable> collectDomainProperties(ReadGraph graph, Map<String, Variable> map) throws DatabaseException;\r
- public abstract Collection<Variable> getChildren(ReadGraph graph) throws DatabaseException;\r
- \r
- public abstract <T> T getValue(ReadGraph graph) throws DatabaseException;\r
- public abstract <T> T getValue(ReadGraph graph, Binding binding) throws DatabaseException;\r
-\r
- public abstract void setValue(WriteGraph graph, Object value, Binding binding) throws DatabaseException;\r
- public abstract String getName(ReadGraph graph) throws DatabaseException;\r
- //public abstract Object getSerialized(ReadGraph graph) throws DatabaseException;\r
- public abstract Variable getParent(ReadGraph graph) throws DatabaseException;\r
- public abstract Role getRole(ReadGraph graph) throws DatabaseException;\r
- public abstract Resource getRepresents(ReadGraph graph) throws DatabaseException;\r
- \r
- public abstract Set<String> getClassifications(ReadGraph graph) throws DatabaseException;\r
- \r
- @Override\r
- public PropertyInfo getPropertyInfo(ReadGraph graph) throws DatabaseException {\r
- throw new DatabaseException("PropertyInfo is not available");\r
- }\r
- \r
- @Override\r
- public Resource getIndexRoot(ReadGraph graph) throws DatabaseException {\r
- Resource represents = getPossibleRepresents(graph);\r
- if(represents != null) return graph.syncRequest(new PossibleIndexRoot(represents));\r
- Variable parent = getParent(graph);\r
- if(parent == null) return null;\r
- return parent.getIndexRoot(graph);\r
- }\r
- \r
- public void validate(ReadGraph graph) throws DatabaseException {\r
- }\r
-\r
- public String getIdentifier() {\r
- return getClass().getSimpleName();\r
- }\r
- \r
- \r
- @Override\r
- public Role getPossibleRole(ReadGraph graph) throws DatabaseException {\r
- try {\r
- return getRole(graph);\r
- } catch (DatabaseException e) {\r
- return null;\r
- }\r
- }\r
- \r
- protected Variable resolveChild(ReadGraph graph, Resource resource) throws DatabaseException {\r
- String rName = graph.getRelatedValue(resource, Layer0.getInstance(graph).HasName, Bindings.STRING);\r
- for(Variable child : browseChildren(graph)) {\r
- String name = child.getPossiblePropertyValue(graph, Variables.NAME, Bindings.STRING);\r
- if(rName.equals(name)) return child;\r
- }\r
- throw new DatabaseException("Could not resolve child " + resource);\r
- }\r
- \r
- protected Variable resolveChild(ReadGraph graph, GuidRVIPart part) throws DatabaseException {\r
- return StandardRVIResolver.resolveChildDefault(graph, this, part);\r
- }\r
- \r
- protected Variable resolveProperty(ReadGraph graph, Resource resource) throws DatabaseException {\r
- String rName = graph.getRelatedValue(resource, Layer0.getInstance(graph).HasName, Bindings.STRING);\r
- for(Variable child : browseProperties(graph)) {\r
- String name = child.getPossiblePropertyValue(graph, Variables.NAME, Bindings.STRING);\r
- if(rName.equals(name)) return child;\r
- }\r
- throw new DatabaseException("Could not resolve child " + resource);\r
- }\r
-\r
- protected Variable resolveProperty(ReadGraph graph, GuidRVIPart part) throws DatabaseException {\r
- return StandardRVIResolver.resolvePropertyDefault(graph, this, part);\r
- }\r
-\r
- protected Variable resolvePossibleChild(ReadGraph graph, Resource resource) throws DatabaseException {\r
- String rName = graph.getRelatedValue(resource, Layer0.getInstance(graph).HasName, Bindings.STRING);\r
- for(Variable child : browseChildren(graph)) {\r
- String name = child.getPossiblePropertyValue(graph, Variables.NAME, Bindings.STRING);\r
- if(rName.equals(name)) return child;\r
- }\r
- return null;\r
- }\r
- \r
- protected Variable resolvePossibleChild(ReadGraph graph, GuidRVIPart part) throws DatabaseException {\r
- Layer0 L0 = Layer0.getInstance(graph);\r
- for(Variable child : browseChildren(graph)) {\r
- GUID id = child.getPossiblePropertyValue(graph, L0.identifier, GUID.BINDING);\r
- if(id != null) {\r
- if(id.mostSignificant == part.mostSignificant && id.leastSignificant == part.leastSignificant)\r
- return child;\r
- }\r
- }\r
- return null;\r
- }\r
-\r
- protected Variable resolvePossibleProperty(ReadGraph graph, Resource resource) throws DatabaseException {\r
- String rName = graph.getRelatedValue(resource, Layer0.getInstance(graph).HasName, Bindings.STRING);\r
- for(Variable child : browseProperties(graph)) {\r
- String name = child.getPossiblePropertyValue(graph, Variables.NAME, Bindings.STRING);\r
- if(rName.equals(name)) return child;\r
- }\r
- return null;\r
- }\r
-\r
- protected Variable resolvePossibleProperty(ReadGraph graph, GuidRVIPart part) throws DatabaseException {\r
- Layer0 L0 = Layer0.getInstance(graph);\r
- for(Variable child : browseProperties(graph)) {\r
- GUID id = child.getPossiblePropertyValue(graph, L0.identifier, GUID.BINDING);\r
- if(id != null) {\r
- if(id.mostSignificant == part.mostSignificant && id.leastSignificant == part.leastSignificant)\r
- return child;\r
- }\r
- }\r
- return null;\r
- }\r
-\r
- public String getLabel(ReadGraph graph) throws DatabaseException { \r
- return getName(graph);\r
- }\r
- \r
- public String getPossibleLabel(ReadGraph graph) throws DatabaseException {\r
- Resource represents = getPossibleRepresents(graph);\r
- if(represents == null) return null;\r
- return graph.getPossibleRelatedValue2(represents, graph.getService(Layer0.class).HasLabel, getParent(graph), Bindings.STRING);\r
- }\r
-\r
- public Resource getType(ReadGraph graph) throws DatabaseException {\r
- \r
- Resource resource = getPossibleRepresents(graph);\r
- if(resource == null) {\r
- String uri = getPossiblePropertyValue(graph, "typeURI");\r
- if(uri != null) return graph.syncRequest(new org.simantics.db.common.primitiverequest.Resource(uri), TransientCacheAsyncListener.<Resource>instance());\r
- throw new DatabaseException("No type for " + getURI(graph));\r
- }\r
- return graph.getSingleType(resource);\r
- \r
- }\r
- \r
- public RVIPart getRVIPart(ReadGraph graph) throws DatabaseException {\r
- throw new UnsupportedOperationException();\r
- }\r
-\r
- @Override\r
- public RVI getRVI(ReadGraph graph) throws DatabaseException {\r
- Databoard databoard = graph.getService( Databoard.class );\r
- Binding rviBinding = databoard.getBindingUnchecked( RVI.class );\r
- if(Variables.isContext(graph, this)) {\r
- return RVI.empty( rviBinding );\r
- } else {\r
- Variable parent = getParent(graph);\r
- if (parent == null)\r
- // TODO: consider using a more suitable exception here to better convey the situation.\r
- throw new MissingVariableException("no parent for variable " + this + " (URI=" + getPossibleURI(graph) + ")");\r
- RVI base = graph.syncRequest(new VariableRVIRequest(parent));\r
- RVIPart part = getRVIPart(graph);\r
- return new RVIBuilder(base).append(part).toRVI();\r
- }\r
- }\r
- \r
- protected Variable getDomainProperty(ReadGraph graph, String name) throws DatabaseException {\r
- Variable property = getPossibleDomainProperty(graph, name);\r
- if(property == null)\r
- throw new MissingVariableException(getIdentifier() + ": Didn't find property " + name + ".");\r
- return property;\r
- }\r
- \r
- protected void addProperty(Map<String, Variable> properties, String name, Object value, Binding binding) {\r
- if(value != null) {\r
- properties.put(name, new ConstantPropertyVariable(this, name, value, binding));\r
- }\r
- }\r
-\r
- protected Variable getNameVariable(ReadGraph graph) throws DatabaseException {\r
- return new ConstantPropertyVariable(this, Variables.NAME, getName(graph), Bindings.STRING);\r
- }\r
-\r
- protected Variable getLabelVariable(ReadGraph graph) throws DatabaseException {\r
- return new ConstantPropertyVariable(this, Variables.LABEL, getPossibleLabel(graph), Bindings.STRING);\r
- }\r
-\r
- final public Collection<Variable> browseProperties(ReadGraph graph) throws DatabaseException {\r
- return getProperties(graph);\r
- }\r
-\r
- private Map<String, Variable> getPropertyMap(ReadGraph graph, String classification) throws DatabaseException {\r
- return collectDomainProperties(graph, classification, null);\r
- }\r
-\r
- final static class PropertyMap extends THashMap<String,Variable> {\r
- \r
- final private Variable variable;\r
- \r
- PropertyMap(Variable variable) {\r
- this.variable = variable;\r
- }\r
-\r
- private Variable getTypeVariable() {\r
- \r
- return new AbstractConstantPropertyVariable(variable, Variables.TYPE, null) {\r
-\r
- @SuppressWarnings("unchecked")\r
- @Override\r
- public <T> T getValue(ReadGraph graph) throws DatabaseException {\r
- Resource represents = parent.getRepresents(graph);\r
- if(represents == null) return null;\r
- return (T)graph.getPossibleType(represents, Layer0.getInstance(graph).Entity);\r
- }\r
-\r
- @Override\r
- public <T> T getValue(ReadGraph graph, Binding binding) throws DatabaseException {\r
- return getValue(graph);\r
- }\r
- \r
- };\r
- }\r
-\r
- private Variable getURIVariable() {\r
- \r
- return new AbstractConstantPropertyVariable(variable, Variables.URI, null) {\r
-\r
- @SuppressWarnings("unchecked")\r
- @Override\r
- public <T> T getValue(ReadGraph graph) throws DatabaseException {\r
- return (T)variable.getURI(graph);\r
- }\r
-\r
- @Override\r
- public <T> T getValue(ReadGraph graph, Binding binding) throws DatabaseException {\r
- return getValue(graph);\r
- }\r
- \r
- };\r
- }\r
-\r
- public Variable get(Object key) {\r
- Variable result = super.get(key);\r
- if(result != null) return result;\r
- \r
- if(Variables.TYPE.equals(key)) return getTypeVariable();\r
- else if(Variables.URI.equals(key)) return getURIVariable();\r
- \r
- return variable;\r
- }\r
- \r
- }\r
- \r
- private Map<String, Variable> getPropertyMap(ReadGraph graph) throws DatabaseException {\r
- PropertyMap properties = new PropertyMap(this);\r
-// Map<String, Variable> properties = new HashMap<String, Variable>();\r
-// try {\r
-// properties.put(Variables.NAME, getNameVariable(graph));\r
-// } catch (DatabaseException e) {\r
-// // A variable that has no name doesn't exist by definition.\r
-// // Therefore it can't have any properties.\r
-// return Collections.emptyMap();\r
-// }\r
-// try {\r
-// Variable labelVariable = getLabelVariable(graph);\r
-// if(labelVariable != null) properties.put(Variables.LABEL, getLabelVariable(graph));\r
-// } catch (DatabaseException e) {\r
-// // Label not absolutely mandatory.\r
-// }\r
-// addProperty(properties, Variables.TYPE, getPossibleType(graph), null);\r
-// addProperty(properties, Variables.URI, getPossibleURI(graph), Bindings.STRING);\r
- //addProperty(properties, Variables.SERIALISED, getSerialized(graph), Bindings.STRING);\r
- //addProperty(properties, Variables.PARENT, getParent(graph), null);\r
-// addProperty(properties, Variables.ROLE, getRole(graph), Bindings.STRING);\r
-// addProperty(properties, Variables.REPRESENTS, getPossibleRepresents(graph), null);\r
- collectExtraProperties(graph, properties);\r
- collectDomainProperties(graph, properties);\r
- return properties;\r
- }\r
- \r
- @Override\r
- public Collection<Variable> getProperties(ReadGraph graph) throws DatabaseException {\r
- return getPropertyMap(graph).values();\r
- }\r
- \r
- public Collection<Variable> getProperties(ReadGraph graph, String classification) throws DatabaseException {\r
- Map<String,Variable> propertyMap = getPropertyMap(graph, classification);\r
- if(propertyMap == null) return Collections.emptyList();\r
- else return propertyMap.values();\r
- }\r
-\r
- @Override\r
- public Collection<Variable> getProperties(ReadGraph graph, Resource property) throws DatabaseException {\r
- return getProperties(graph, uri(graph, property));\r
- }\r
-\r
- final public Collection<Variable> browseChildren(ReadGraph graph) throws DatabaseException {\r
- return getChildren(graph);\r
- }\r
- \r
- @Override\r
- public Variable getPossibleProperty(ReadGraph graph, String name)\r
- throws DatabaseException {\r
- if(Variables.NAME.equals(name)) {\r
- return getNameVariable(graph);\r
- }\r
- if(Variables.LABEL.equals(name)) {\r
- return getLabelVariable(graph);\r
- }\r
- if(Variables.TYPE.equals(name)) {\r
- Object value = getPossibleType(graph);\r
- if(value != null)\r
- return new ConstantPropertyVariable(this, name, value, null);\r
- }\r
- if(Variables.URI.equals(name)) {\r
- // TODO: getPossibleURI or getURI?\r
- Object value = getURI(graph);\r
- if(value != null)\r
- return new ConstantPropertyVariable(this, name, value, Bindings.STRING);\r
- }\r
-// if(Variables.SERIALISED.equals(name)) {\r
-// Object value = getSerialized(graph);\r
-// if(value != null)\r
-// return new ConstantPropertyVariable(this, name, value, Bindings.STRING);\r
-// }\r
- /*if(Variables.PARENT.equals(name)) {\r
- Object value = getParent(graph);\r
- if(value != null)\r
- return new ConstantPropertyVariable(this, name, value, null);\r
- }*/\r
-// if(Variables.ROLE.equals(name)) {\r
-// Object value = getRole(graph);\r
-// if(value != null)\r
-// return new ConstantPropertyVariable(this, name, value, null);\r
-// }\r
-// if(Variables.REPRESENTS.equals(name)) {\r
-// Object value = getRepresents(graph);\r
-// if(value != null)\r
-// return new ConstantPropertyVariable(this, name, value, null);\r
-// }\r
- Variable extra = getPossibleExtraProperty(graph, name);\r
- if(extra != null) return extra;\r
- return getPossibleDomainProperty(graph, name);\r
- }\r
- \r
- @Override\r
- public Variable getPossibleProperty(ReadGraph graph, Resource property) throws DatabaseException {\r
- return getPossibleProperty(graph, name(graph, property));\r
- }\r
-\r
- @SuppressWarnings("unchecked")\r
- protected <T> T checkNull(ReadGraph graph, Object value) throws DatabaseException {\r
- if(value == null)\r
- throw new MissingVariableValueException(getClass().getSimpleName() + ": Didn't find value for " + getPossibleURI(graph));\r
- return (T)value;\r
- }\r
-\r
- private String name(ReadGraph graph, Resource property) throws DatabaseException {\r
- return graph.getRelatedValue(property, Layer0.getInstance(graph).HasName, Bindings.STRING);\r
- }\r
- \r
- private String uri(ReadGraph graph, Resource property) throws DatabaseException {\r
- return graph.getURI(property);\r
- }\r
-\r
- @Override\r
- public <T> T getPropertyValue(ReadGraph graph, String name) throws DatabaseException {\r
- if(Variables.LABEL.equals(name)) return checkNull(graph, getLabel(graph));\r
- Variable result = getDomainProperty(graph, name);\r
- if(result != null) return result.getValue(graph);\r
- if(Variables.NAME.equals(name)) return checkNull(graph, getName(graph));\r
- if(Variables.TYPE.equals(name)) return checkNull(graph, getPossibleType(graph));\r
- if(Variables.URI.equals(name)) return checkNull(graph, getURI(graph));\r
-// if(Variables.SERIALISED.equals(name)) return checkNull(graph, getSerialized(graph));\r
-// if(Variables.ROLE.equals(name)) return checkNull(graph, getRole(graph));\r
-// if(Variables.REPRESENTS.equals(name)) return checkNull(graph, getRepresents(graph));\r
- Variable extra = getPossibleExtraProperty(graph, name);\r
- if(extra != null) return extra.getValue(graph);\r
- return null;\r
- } \r
- \r
- @Override\r
- public <T> T getPropertyValue(ReadGraph graph, Resource property) throws DatabaseException {\r
- return getPropertyValue(graph, name(graph, property));\r
- }\r
- \r
- @SuppressWarnings("unchecked")\r
- @Override\r
- public <T> T getPossiblePropertyValue(ReadGraph graph, String name)\r
- throws DatabaseException {\r
- \r
- Variable property = getPossibleDomainProperty(graph, name);\r
- if(property != null) return property.getPossibleValue(graph);\r
- \r
- if(Variables.NAME.equals(name)) return (T)getName(graph);\r
- if(Variables.LABEL.equals(name)) return (T)getLabel(graph);\r
- if(Variables.TYPE.equals(name)) return (T)getPossibleType(graph);\r
- if(Variables.URI.equals(name)) return (T)getURI(graph);\r
-// if(Variables.SERIALISED.equals(name)) return (T)getSerialized(graph);\r
-// if(Variables.ROLE.equals(name)) return (T)getRole(graph);\r
-// if(Variables.REPRESENTS.equals(name)) return (T)getRepresents(graph);\r
- \r
- Variable extra = getPossibleExtraProperty(graph, name);\r
- if(extra != null) return extra.getPossibleValue(graph);\r
- \r
- return null;\r
- \r
- }\r
-\r
- @Override\r
- public <T> T getPossiblePropertyValue(ReadGraph graph, Resource property) throws DatabaseException {\r
- return getPossiblePropertyValue(graph, name(graph, property));\r
- }\r
-\r
- @SuppressWarnings("unchecked")\r
- @Override\r
- public <T> T getPropertyValue(ReadGraph graph, String name, Binding binding)\r
- throws DatabaseException {\r
- if(binding instanceof StringBinding) {\r
- StringBinding sb = (StringBinding)binding;\r
- try {\r
- if(Variables.NAME.equals(name)) return (T)sb.create((String)checkNull(graph, getName(graph)));\r
- if(Variables.LABEL.equals(name)) return (T)sb.create((String)checkNull(graph, getLabel(graph)));\r
- if(Variables.URI.equals(name)) return (T)sb.create((String)checkNull(graph, getURI(graph)));\r
-// if(Variables.SERIALISED.equals(name)) return (T)sb.create((String)checkNull(graph, getSerialized(graph)));\r
- } catch(BindingException e) {\r
- throw new DatabaseException(e);\r
- }\r
- }\r
- Variable property = getPossibleExtraProperty(graph, name);\r
- if(property != null)\r
- return property.getValue(graph, binding);\r
- property = getPossibleDomainProperty(graph, name);\r
- if(property == null)\r
- throw new MissingVariableException("Didn't find property " + name + " for " + this + ".");\r
- return property.getValue(graph, binding);\r
- }\r
-\r
- @Override\r
- public <T> T getPropertyValue(ReadGraph graph, Resource property, Binding binding) throws DatabaseException {\r
- return getPropertyValue(graph, name(graph, property), binding);\r
- }\r
-\r
- @SuppressWarnings("unchecked")\r
- @Override\r
- public <T> T getPossiblePropertyValue(ReadGraph graph, String name,\r
- Binding binding) throws DatabaseException {\r
- if(binding instanceof StringBinding) {\r
- StringBinding sb = (StringBinding)binding;\r
- try {\r
- if(Variables.NAME.equals(name)) return (T)sb.create((String)getName(graph));\r
- if(Variables.LABEL.equals(name)) return (T)sb.create((String)getLabel(graph));\r
- if(Variables.URI.equals(name)) return (T)sb.create((String)getURI(graph));\r
-// if(Variables.SERIALISED.equals(name)) return (T)sb.create((String)getSerialized(graph));\r
- } catch(BindingException e) {\r
- throw new DatabaseException(e);\r
- }\r
- }\r
- Variable property = getPossibleExtraProperty(graph, name);\r
- if(property != null)\r
- return property.getPossibleValue(graph, binding);\r
- property = getPossibleDomainProperty(graph, name);\r
- if(property == null)\r
- return null;\r
- return property.getPossibleValue(graph, binding);\r
- }\r
-\r
- @Override\r
- public <T> T getPossiblePropertyValue(ReadGraph graph, Resource property, Binding binding) throws DatabaseException {\r
- return getPossiblePropertyValue(graph, name(graph, property), binding);\r
- }\r
-\r
- @Override\r
- public void setValue(WriteGraph graph, Object value) throws DatabaseException {\r
- try {\r
- setValue(graph, value, Bindings.getBinding(value.getClass()));\r
- } catch (BindingConstructionException e) {\r
- throw new DatabaseException(e);\r
- }\r
- }\r
- \r
- @Override\r
- public void setPropertyValue(WriteGraph graph, String name, Object value) throws DatabaseException {\r
- getProperty(graph, name).setValue(graph, value);\r
- }\r
-\r
- @Override\r
- public void setPropertyValue(WriteGraph graph, Resource property, Object value) throws DatabaseException {\r
- setPropertyValue(graph, name(graph, property), value);\r
- }\r
-\r
- @Override\r
- public void setPropertyValue(WriteGraph graph, String name, Object value,\r
- Binding binding) throws DatabaseException {\r
- getProperty(graph, name).setValue(graph, value, binding);\r
- }\r
-\r
- @Override\r
- public void setPropertyValue(WriteGraph graph, Resource property, Object value, Binding binding) throws DatabaseException {\r
- setPropertyValue(graph, name(graph, property), value, binding);\r
- }\r
-\r
- @Override\r
- public Variable getChild(ReadGraph graph, String name)\r
- throws DatabaseException {\r
- Variable child = getPossibleChild(graph, name);\r
- if(child == null)\r
- throw new MissingVariableException(getURI(graph) + ": didn't find child " + name + " for " + getIdentifier() + ".");\r
- return child;\r
- } \r
-\r
- @Override\r
- public Variable getProperty(ReadGraph graph, String name) throws DatabaseException {\r
- Variable result = getPossibleProperty(graph, name);\r
- if(result == null)\r
- throw new MissingVariableException(getClass().getSimpleName() + ": Didn't find property " + name + " for " + getPossibleURI(graph) + ".");\r
- return result;\r
- }\r
- \r
- @Override\r
- public Variable getProperty(ReadGraph graph, Resource property) throws DatabaseException {\r
- return getProperty(graph, name(graph, property));\r
- }\r
-\r
- @Override\r
- public Variable browse(ReadGraph graph, String suffix)\r
- throws DatabaseException {\r
- \r
- if(suffix.isEmpty()) \r
- return this; \r
- switch(suffix.charAt(0)) {\r
- case '.': {\r
- Variable parent = getParent(graph); \r
- if(parent == null)\r
- throw new MissingVariableException("Didn't find " + suffix + " for " + this + " (" + getPossibleURI(graph) + ").");\r
- return parent.browse(graph, suffix.substring(1));\r
- }\r
- case '#': {\r
- int segmentEnd = getSegmentEnd(suffix);\r
- Variable property = getProperty(graph, \r
- decodeString(suffix.substring(1, segmentEnd)));\r
- if(property == null) \r
- throw new MissingVariableException("Didn't find " + suffix + " for " + this + " (" + getPossibleURI(graph) + ").");\r
- return property.browse(graph, suffix.substring(segmentEnd));\r
- }\r
- case '/': {\r
- int segmentEnd = getSegmentEnd(suffix);\r
- Variable child = getChild(graph, \r
- decodeString(suffix.substring(1, segmentEnd)));\r
- if(child == null) \r
- throw new MissingVariableException("Didn't find " + suffix + " for " + this + " (" + getPossibleURI(graph) + ").");\r
- return child.browse(graph, suffix.substring(segmentEnd));\r
- }\r
- default:\r
- throw new MissingVariableException("Didn't find " + suffix + " for " + this + " (" + getPossibleURI(graph) + ").");\r
- }\r
- \r
- }\r
-\r
- private static int getSegmentEnd(String suffix) {\r
- int pos;\r
- for(pos=1;pos<suffix.length();++pos) {\r
- char c = suffix.charAt(pos);\r
- if(c == '/' || c == '#')\r
- break;\r
- }\r
- return pos;\r
- }\r
- \r
- @Override\r
- public Variable browsePossible(ReadGraph graph, String suffix)\r
- throws DatabaseException {\r
- if(suffix.isEmpty()) \r
- return this; \r
- switch(suffix.charAt(0)) {\r
- case '.': {\r
- Variable parent = getParent(graph); \r
- if(parent == null)\r
- return null;\r
- return parent.browsePossible(graph, suffix.substring(1));\r
- }\r
- case '#': {\r
- int segmentEnd = getSegmentEnd(suffix);\r
- Variable property = getPossibleProperty(graph, \r
- decodeString(suffix.substring(1, segmentEnd)));\r
- if(property == null) \r
- return null;\r
- return property.browsePossible(graph, suffix.substring(segmentEnd));\r
- }\r
- case '/': {\r
- int segmentEnd = getSegmentEnd(suffix);\r
- Variable child = getPossibleChild(graph, \r
- decodeString(suffix.substring(1, segmentEnd)));\r
- if(child == null) \r
- return null;\r
- return child.browsePossible(graph, suffix.substring(segmentEnd));\r
- }\r
- default:\r
- return null;\r
- }\r
- }\r
-\r
- @Override\r
- public Variable browse(ReadGraph graph, Resource config)\r
- throws DatabaseException {\r
- Variable variable = browsePossible(graph, config);\r
- if(variable == null)\r
- throw new MissingVariableException("Didn't find a variable related to " + \r
- NameUtils.getSafeName(graph, config) + ".");\r
- return variable;\r
- }\r
-\r
- @Override\r
- public Variable browsePossible(ReadGraph graph, Resource config)\r
- throws DatabaseException {\r
- Layer0 l0 = Layer0.getInstance(graph);\r
- String name = (String)graph.getPossibleRelatedValue(config, l0.HasName, Bindings.STRING);\r
- if (name == null)\r
- return null;\r
- return getPossibleChild(graph, name);\r
- }\r
-\r
- @Override\r
- public <T> T getInterface(ReadGraph graph, Class<T> clazz)\r
- throws DatabaseException {\r
- return null;\r
- }\r
-\r
- @Override\r
- public String getURI(ReadGraph graph) throws DatabaseException {\r
- validate(graph);\r
- Variable parent = getParent(graph);\r
- if (parent == null)\r
- throw new InvalidVariableException(this + " has no URI");\r
- return parent.getURI(graph) + getRole(graph).getIdentifier() + encodeString(getName(graph));\r
- }\r
-\r
- /**\r
- * For debug messages.\r
- * \r
- * @param graph\r
- * @return\r
- * @throws DatabaseException\r
- */\r
- public String getPossibleURI(ReadGraph graph) throws DatabaseException {\r
- Variable parent = getParent(graph);\r
- if (parent == null)\r
- return null;\r
- if (parent instanceof AbstractVariable) {\r
- String parentUri = ((AbstractVariable) parent).getPossibleURI(graph);\r
- if (parentUri == null)\r
- return null;\r
- return parentUri + getRole(graph).getIdentifier() + encodeString(getName(graph));\r
- }\r
- return null;\r
- }\r
-\r
- public <T> T getPossibleValue(ReadGraph graph) throws DatabaseException {\r
- try {\r
- return getValue(graph);\r
- } catch(DatabaseException e) {\r
- return null;\r
- }\r
- }\r
-\r
- @Override\r
- public Variant getVariantValue(ReadGraph graph) throws DatabaseException {\r
- Binding binding = getPossibleDefaultBinding(graph);\r
- if(binding != null) {\r
- Object value = getValue(graph, binding);\r
- return new Variant(binding, value);\r
- } else {\r
-// System.err.println("no data type for " + getURI(graph));\r
- // TODO: hackish, consider doing something else here?\r
- Object value = getValue(graph);\r
- try {\r
- binding = Bindings.OBJECT.getContentBinding(value);\r
- } catch (BindingException e) {\r
- throw new DatabaseException(e);\r
- }\r
- return new Variant(binding, value);\r
- }\r
- }\r
- \r
- public Variant getPossibleVariantValue(ReadGraph graph) throws DatabaseException {\r
- Binding binding = getPossibleDefaultBinding(graph);\r
- if(binding != null) {\r
- Object value = getPossibleValue(graph, binding);\r
- if(value == null) return null;\r
- return new Variant(binding, value);\r
- } else {\r
- Object value = getPossibleValue(graph);\r
- if(value == null) return null;\r
- try {\r
- // TODO: hackish, consider doing something else here?\r
- binding = value != null ? Bindings.getBinding(value.getClass()) : null;\r
- return new Variant(binding, value);\r
- } catch (BindingConstructionException e) {\r
- return null;\r
- }\r
- }\r
- }\r
-\r
- public <T> T getPossibleValue(ReadGraph graph, Binding binding) throws DatabaseException {\r
- try {\r
- return getValue(graph, binding);\r
- } catch(MissingVariableValueException e) {\r
- return null;\r
- }\r
- }\r
-\r
- public <T> T adapt(ReadGraph graph, Class<T> clazz) throws DatabaseException {\r
- throw new AdaptionException(this + " does not support adaption to " + clazz);\r
- }\r
- \r
- @Override\r
- public <T> T adaptPossible(ReadGraph graph, Class<T> clazz) throws DatabaseException {\r
- try {\r
- return adapt(graph, clazz);\r
- } catch (AdaptionException e) {\r
- return null;\r
- }\r
- }\r
- \r
- \r
- public static String encodeString(String string) throws DatabaseException {\r
- if (string == null || "".equals(string)) return string;\r
- return URIStringUtils.escape(string);\r
- }\r
- \r
- public static String decodeString(String string) throws DatabaseException {\r
- return URIStringUtils.unescape(string);\r
- }\r
- \r
-\r
- protected Variable getPossiblePropertyFromContext(ReadGraph graph, Resource context, String name) throws DatabaseException {\r
-\r
- Map<String, Resource> predicates = graph.syncRequest(new PropertyMapOfResource(context));\r
- Resource property = predicates.get(name);\r
- if(property == null) return null;\r
- Resource object = graph.getSingleObject(context, property);\r
- Variable objectAdapter = graph.getPossibleContextualAdapter(object, new ModelledVariablePropertyDescriptorImpl(this, context, property), \r
- ModelledVariablePropertyDescriptor.class, Variable.class);\r
- if(objectAdapter != null) return objectAdapter;\r
- return graph.getPossibleContextualAdapter(property, new ModelledVariablePropertyDescriptorImpl(this, context, property), \r
- ModelledVariablePropertyDescriptor.class, Variable.class);\r
- \r
- }\r
- \r
- protected Map<String, Variable> collectPropertiesFromContext(ReadGraph graph, Resource context, Map<String, Variable> properties) throws DatabaseException {\r
-\r
- for(Map.Entry<String, Resource> entry : graph.syncRequest(new PropertyMapOfResource(context)).entrySet()) {\r
- String name = entry.getKey();\r
- Resource property = entry.getValue();\r
- Resource object = graph.getSingleObject(context, property);\r
- Variable objectAdapter = graph.getPossibleContextualAdapter(object, new ModelledVariablePropertyDescriptorImpl(this, context, property), \r
- ModelledVariablePropertyDescriptor.class, Variable.class);\r
- if(objectAdapter != null) {\r
- if(objectAdapter != null) {\r
- if(properties == null) properties = new HashMap<String,Variable>();\r
- properties.put(name, objectAdapter);\r
- }\r
- } else {\r
- Variable predicateAdapter = graph.getPossibleContextualAdapter(property, new ModelledVariablePropertyDescriptorImpl(this, context, property), \r
- ModelledVariablePropertyDescriptor.class, Variable.class);\r
- if(predicateAdapter != null) {\r
- if(properties == null) properties = new HashMap<String,Variable>();\r
- properties.put(name, predicateAdapter);\r
- }\r
- }\r
-\r
- }\r
- \r
- return properties;\r
- \r
- }\r
- \r
- @Override\r
- public Variable resolve(ReadGraph graph, RVIPart part) throws DatabaseException {\r
- if(part instanceof StringRVIPart) {\r
- StringRVIPart srp = (StringRVIPart)part;\r
- if(Role.CHILD.equals(srp.getRole())) return getChild(graph, srp.string);\r
- else if(Role.PROPERTY.equals(srp.getRole())) return getProperty(graph, srp.string);\r
- } else if(part instanceof ResourceRVIPart) {\r
- ResourceRVIPart rrp = (ResourceRVIPart)part;\r
- if(Role.CHILD.equals(rrp.getRole())) return resolveChild(graph, rrp.resource);\r
- else if(Role.PROPERTY.equals(rrp.getRole())) return resolveProperty(graph, rrp.resource);\r
- } else if(part instanceof GuidRVIPart) {\r
- GuidRVIPart grp = (GuidRVIPart)part;\r
- if(Role.CHILD.equals(grp.getRole())) return resolveChild(graph, grp);\r
- else if(Role.PROPERTY.equals(grp.getRole())) return resolveProperty(graph, grp);\r
- }\r
- throw new DatabaseException("Unrecognized RVIPart: " + part);\r
- }\r
-\r
- @Override\r
- public Variable resolvePossible(ReadGraph graph, RVIPart part) throws DatabaseException {\r
- if(part instanceof StringRVIPart) {\r
- StringRVIPart srp = (StringRVIPart)part;\r
- if(Role.CHILD.equals(srp.getRole())) return getPossibleChild(graph, srp.string);\r
- else if(Role.PROPERTY.equals(srp.getRole())) return getPossibleProperty(graph, srp.string);\r
- } else if(part instanceof ResourceRVIPart) {\r
- ResourceRVIPart rrp = (ResourceRVIPart)part;\r
- if(Role.CHILD.equals(rrp.getRole())) return resolvePossibleChild(graph, rrp.resource);\r
- else if(Role.PROPERTY.equals(rrp.getRole())) return resolvePossibleProperty(graph, rrp.resource);\r
- } else if(part instanceof GuidRVIPart) {\r
- GuidRVIPart grp = (GuidRVIPart)part;\r
- if(Role.CHILD.equals(grp.getRole())) return resolvePossibleChild(graph, grp);\r
- else if(Role.PROPERTY.equals(grp.getRole())) return resolvePossibleProperty(graph, grp);\r
- }\r
- throw new DatabaseException("Unrecognized RVIPart: " + part);\r
- }\r
-\r
- @Override\r
- public Datatype getDatatype(ReadGraph graph) throws DatabaseException {\r
- throw new DatabaseException("No data type.");\r
- }\r
-\r
- public Binding getDefaultBinding(ReadGraph graph) throws DatabaseException {\r
- Datatype type = getDatatype(graph);\r
- return Bindings.getBinding(type);\r
- }\r
- \r
- public Binding getPossibleDefaultBinding(ReadGraph graph) throws DatabaseException {\r
- try {\r
- return getDefaultBinding(graph);\r
- } catch(DatabaseException e) {\r
- return null;\r
- }\r
- }\r
-\r
- @Override\r
- public Datatype getPossibleDatatype(ReadGraph graph) throws DatabaseException {\r
- try {\r
- return getDatatype(graph);\r
- } catch(DatabaseException e) {\r
- return null;\r
- }\r
- }\r
- \r
-// public Binding getPossibleDefaultBinding(ReadGraph graph) throws DatabaseException {\r
-// \r
-// Datatype type = getPossibleDatatype(graph);\r
-// if(type == null) return null;\r
-// return Bindings.getBinding(type);\r
-//\r
-// }\r
-//\r
-// @Override\r
-// public Datatype getPossibleDatatype(ReadGraph graph) throws DatabaseException {\r
-// \r
-// Variant vt = getVariantValue(graph);\r
-// if(vt == null) return null;\r
-// Binding binding = vt.getBinding();\r
-// if(binding == null) return null;\r
-// return binding.type();\r
-//\r
-// }\r
-\r
- @Override\r
- public Variable getPredicate(ReadGraph graph) throws DatabaseException {\r
- throw new DatabaseException(getClass().getSimpleName() + ": No predicate property for " + getPossibleURI(graph));\r
- }\r
-\r
- @Override\r
- public Variable getPossiblePredicate(ReadGraph graph) throws DatabaseException {\r
- try {\r
- return getPredicate(graph);\r
- } catch(DatabaseException e) {\r
- return null;\r
- }\r
- }\r
- \r
- @Override\r
- public Resource getPredicateResource(ReadGraph graph) throws DatabaseException {\r
- Variable predicate = getPredicate(graph);\r
- if(predicate == null) throw new DatabaseException(getClass().getSimpleName() + ": No predicate property for " + getPossibleURI(graph));\r
- return predicate.getRepresents(graph);\r
- }\r
- \r
- @Override\r
- public Resource getPossiblePredicateResource(ReadGraph graph) throws DatabaseException {\r
- Variable predicate = getPossiblePredicate(graph);\r
- if(predicate == null) return null;\r
- else return predicate.getPossibleRepresents(graph);\r
- }\r
-\r
- @Override\r
- public Resource getPossibleRepresents(ReadGraph graph) throws DatabaseException {\r
- try {\r
- return getRepresents(graph);\r
- } catch(DatabaseException e) {\r
- return null;\r
- }\r
- }\r
-\r
- @Override\r
- public Resource getPossibleType(ReadGraph graph) throws DatabaseException {\r
- Resource resource = getPossibleRepresents(graph);\r
- if(resource == null) {\r
- String uri = getPossiblePropertyValue(graph, "typeURI");\r
- if(uri != null) return graph.syncRequest(new PossibleResource(uri), TransientCacheAsyncListener.<Resource>instance());\r
- return null;\r
- }\r
- return graph.getPossibleObject(resource, Layer0.getInstance(graph).InstanceOf);\r
- }\r
-\r
- public Resource getType(ReadGraph graph, Resource baseType) throws DatabaseException {\r
- Resource resource = getPossibleRepresents(graph);\r
- if(resource == null) {\r
- String uri = getPossiblePropertyValue(graph, "typeURI");\r
- if(uri != null) return graph.syncRequest(new org.simantics.db.common.primitiverequest.Resource(uri), TransientCacheAsyncListener.<Resource>instance());\r
- throw new DatabaseException("No type for " + getURI(graph));\r
- }\r
- return graph.getSingleType(resource, baseType);\r
- }\r
-\r
- @Override\r
- public Resource getPossibleType(ReadGraph graph, Resource baseType) throws DatabaseException {\r
- Resource resource = getPossibleRepresents(graph);\r
- if(resource == null) {\r
- String uri = getPossiblePropertyValue(graph, "typeURI");\r
- if(uri != null) {\r
- Resource type = graph.syncRequest(new PossibleResource(uri), TransientCacheAsyncListener.<Resource>instance());\r
- if(type == null) return null;\r
- if(graph.isInheritedFrom(type, baseType)) return type;\r
- else return null;\r
- }\r
- return null;\r
- }\r
- return graph.getPossibleType(resource, baseType);\r
- }\r
-\r
- public Map<String, Variable> collectDomainProperties(ReadGraph graph, String classification, Map<String, Variable> map) throws DatabaseException {\r
- Map<String,Variable> all = collectDomainProperties(graph, null);\r
- for(Map.Entry<String, Variable> entry : all.entrySet()) {\r
- Set<String> classifications = entry.getValue().getClassifications(graph);\r
- if(classifications.contains(classification)) {\r
- if(map == null) map = new HashMap<String,Variable>();\r
- map.put(entry.getKey(), entry.getValue());\r
- }\r
- }\r
- return map;\r
- }\r
- \r
- @Override\r
- public RVI getPossibleRVI(ReadGraph graph) throws DatabaseException {\r
- try {\r
- return getRVI(graph);\r
- } catch(DatabaseException e) {\r
- return null;\r
- }\r
- }\r
-\r
-}\r
+package org.simantics.db.layer0.variable;
+
+import gnu.trove.map.hash.THashMap;
+
+import java.util.Collection;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Set;
+
+import org.simantics.databoard.Bindings;
+import org.simantics.databoard.Databoard;
+import org.simantics.databoard.binding.Binding;
+import org.simantics.databoard.binding.StringBinding;
+import org.simantics.databoard.binding.error.BindingConstructionException;
+import org.simantics.databoard.binding.error.BindingException;
+import org.simantics.databoard.binding.mutable.Variant;
+import org.simantics.databoard.type.Datatype;
+import org.simantics.databoard.util.URIStringUtils;
+import org.simantics.datatypes.literal.GUID;
+import org.simantics.db.ReadGraph;
+import org.simantics.db.Resource;
+import org.simantics.db.WriteGraph;
+import org.simantics.db.common.procedure.adapter.TransientCacheAsyncListener;
+import org.simantics.db.common.request.PossibleIndexRoot;
+import org.simantics.db.common.request.PropertyMapOfResource;
+import org.simantics.db.common.utils.NameUtils;
+import org.simantics.db.exception.AdaptionException;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.db.layer0.exception.InvalidVariableException;
+import org.simantics.db.layer0.exception.MissingVariableException;
+import org.simantics.db.layer0.exception.MissingVariableValueException;
+import org.simantics.db.layer0.request.PossibleResource;
+import org.simantics.db.layer0.request.PropertyInfo;
+import org.simantics.db.layer0.request.VariableRVIRequest;
+import org.simantics.db.layer0.variable.RVI.GuidRVIPart;
+import org.simantics.db.layer0.variable.RVI.RVIPart;
+import org.simantics.db.layer0.variable.RVI.ResourceRVIPart;
+import org.simantics.db.layer0.variable.RVI.StringRVIPart;
+import org.simantics.db.layer0.variable.Variables.Role;
+import org.simantics.layer0.Layer0;
+
+/**
+ * Abstract implementation of Variable -interface.
+ *
+ * @author Hannu Niemistö
+ */
+public abstract class AbstractVariable implements Variable {
+
+ @SuppressWarnings("rawtypes")
+ final public VariableNode node;
+
+ public AbstractVariable(@SuppressWarnings("rawtypes") VariableNode node) {
+ this.node = node;
+ }
+
+ /**
+ * Returns a variable that is not one of the standard properties listed
+ * in <a href="https://www.simantics.org/wiki/index.php/Org.simantics.db.layer0.variable.Variable#Standard_required_properties">specification</a>.
+ */
+ protected abstract Variable getPossibleDomainProperty(ReadGraph graph, String name) throws DatabaseException;
+ public abstract Variable getPossibleExtraProperty(ReadGraph graph, String name) throws DatabaseException;
+ public abstract Variable getPossibleChild(ReadGraph graph, String name) throws DatabaseException;
+
+ public abstract void collectExtraProperties(ReadGraph graph, Map<String, Variable> properties) throws DatabaseException;
+ public abstract Map<String, Variable> collectDomainProperties(ReadGraph graph, Map<String, Variable> map) throws DatabaseException;
+ public abstract Collection<Variable> getChildren(ReadGraph graph) throws DatabaseException;
+
+ public abstract <T> T getValue(ReadGraph graph) throws DatabaseException;
+ public abstract <T> T getValue(ReadGraph graph, Binding binding) throws DatabaseException;
+
+ public abstract void setValue(WriteGraph graph, Object value, Binding binding) throws DatabaseException;
+ public abstract String getName(ReadGraph graph) throws DatabaseException;
+ //public abstract Object getSerialized(ReadGraph graph) throws DatabaseException;
+ public abstract Variable getParent(ReadGraph graph) throws DatabaseException;
+ public abstract Role getRole(ReadGraph graph) throws DatabaseException;
+ public abstract Resource getRepresents(ReadGraph graph) throws DatabaseException;
+
+ public abstract Set<String> getClassifications(ReadGraph graph) throws DatabaseException;
+
+ @Override
+ public PropertyInfo getPropertyInfo(ReadGraph graph) throws DatabaseException {
+ throw new DatabaseException("PropertyInfo is not available");
+ }
+
+ @Override
+ public Resource getIndexRoot(ReadGraph graph) throws DatabaseException {
+ Resource represents = getPossibleRepresents(graph);
+ if(represents != null) return graph.syncRequest(new PossibleIndexRoot(represents));
+ Variable parent = getParent(graph);
+ if(parent == null) return null;
+ return parent.getIndexRoot(graph);
+ }
+
+ public void validate(ReadGraph graph) throws DatabaseException {
+ }
+
+ public String getIdentifier() {
+ return getClass().getSimpleName();
+ }
+
+
+ @Override
+ public Role getPossibleRole(ReadGraph graph) throws DatabaseException {
+ try {
+ return getRole(graph);
+ } catch (DatabaseException e) {
+ return null;
+ }
+ }
+
+ protected Variable resolveChild(ReadGraph graph, Resource resource) throws DatabaseException {
+ String rName = graph.getRelatedValue(resource, Layer0.getInstance(graph).HasName, Bindings.STRING);
+ for(Variable child : browseChildren(graph)) {
+ String name = child.getPossiblePropertyValue(graph, Variables.NAME, Bindings.STRING);
+ if(rName.equals(name)) return child;
+ }
+ throw new DatabaseException("Could not resolve child " + resource);
+ }
+
+ protected Variable resolveChild(ReadGraph graph, GuidRVIPart part) throws DatabaseException {
+ return StandardRVIResolver.resolveChildDefault(graph, this, part);
+ }
+
+ protected Variable resolveProperty(ReadGraph graph, Resource resource) throws DatabaseException {
+ String rName = graph.getRelatedValue(resource, Layer0.getInstance(graph).HasName, Bindings.STRING);
+ for(Variable child : browseProperties(graph)) {
+ String name = child.getPossiblePropertyValue(graph, Variables.NAME, Bindings.STRING);
+ if(rName.equals(name)) return child;
+ }
+ throw new DatabaseException("Could not resolve child " + resource);
+ }
+
+ protected Variable resolveProperty(ReadGraph graph, GuidRVIPart part) throws DatabaseException {
+ return StandardRVIResolver.resolvePropertyDefault(graph, this, part);
+ }
+
+ protected Variable resolvePossibleChild(ReadGraph graph, Resource resource) throws DatabaseException {
+ String rName = graph.getRelatedValue(resource, Layer0.getInstance(graph).HasName, Bindings.STRING);
+ for(Variable child : browseChildren(graph)) {
+ String name = child.getPossiblePropertyValue(graph, Variables.NAME, Bindings.STRING);
+ if(rName.equals(name)) return child;
+ }
+ return null;
+ }
+
+ protected Variable resolvePossibleChild(ReadGraph graph, GuidRVIPart part) throws DatabaseException {
+ Layer0 L0 = Layer0.getInstance(graph);
+ for(Variable child : browseChildren(graph)) {
+ GUID id = child.getPossiblePropertyValue(graph, L0.identifier, GUID.BINDING);
+ if(id != null) {
+ if(id.mostSignificant == part.mostSignificant && id.leastSignificant == part.leastSignificant)
+ return child;
+ }
+ }
+ return null;
+ }
+
+ protected Variable resolvePossibleProperty(ReadGraph graph, Resource resource) throws DatabaseException {
+ String rName = graph.getRelatedValue(resource, Layer0.getInstance(graph).HasName, Bindings.STRING);
+ for(Variable child : browseProperties(graph)) {
+ String name = child.getPossiblePropertyValue(graph, Variables.NAME, Bindings.STRING);
+ if(rName.equals(name)) return child;
+ }
+ return null;
+ }
+
+ protected Variable resolvePossibleProperty(ReadGraph graph, GuidRVIPart part) throws DatabaseException {
+ Layer0 L0 = Layer0.getInstance(graph);
+ for(Variable child : browseProperties(graph)) {
+ GUID id = child.getPossiblePropertyValue(graph, L0.identifier, GUID.BINDING);
+ if(id != null) {
+ if(id.mostSignificant == part.mostSignificant && id.leastSignificant == part.leastSignificant)
+ return child;
+ }
+ }
+ return null;
+ }
+
+ public String getLabel(ReadGraph graph) throws DatabaseException {
+ return getName(graph);
+ }
+
+ public String getPossibleLabel(ReadGraph graph) throws DatabaseException {
+ Resource represents = getPossibleRepresents(graph);
+ if(represents == null) return null;
+ return graph.getPossibleRelatedValue2(represents, graph.getService(Layer0.class).HasLabel, getParent(graph), Bindings.STRING);
+ }
+
+ public Resource getType(ReadGraph graph) throws DatabaseException {
+
+ Resource resource = getPossibleRepresents(graph);
+ if(resource == null) {
+ String uri = getPossiblePropertyValue(graph, "typeURI");
+ if(uri != null) return graph.syncRequest(new org.simantics.db.common.primitiverequest.Resource(uri), TransientCacheAsyncListener.<Resource>instance());
+ throw new DatabaseException("No type for " + getURI(graph));
+ }
+ return graph.getSingleType(resource);
+
+ }
+
+ public RVIPart getRVIPart(ReadGraph graph) throws DatabaseException {
+ throw new UnsupportedOperationException();
+ }
+
+ @Override
+ public RVI getRVI(ReadGraph graph) throws DatabaseException {
+ Databoard databoard = graph.getService( Databoard.class );
+ Binding rviBinding = databoard.getBindingUnchecked( RVI.class );
+ if(Variables.isContext(graph, this)) {
+ return RVI.empty( rviBinding );
+ } else {
+ Variable parent = getParent(graph);
+ if (parent == null)
+ // TODO: consider using a more suitable exception here to better convey the situation.
+ throw new MissingVariableException("no parent for variable " + this + " (URI=" + getPossibleURI(graph) + ")");
+ RVI base = graph.syncRequest(new VariableRVIRequest(parent));
+ RVIPart part = getRVIPart(graph);
+ return new RVIBuilder(base).append(part).toRVI();
+ }
+ }
+
+ protected Variable getDomainProperty(ReadGraph graph, String name) throws DatabaseException {
+ Variable property = getPossibleDomainProperty(graph, name);
+ if(property == null)
+ throw new MissingVariableException(getIdentifier() + ": Didn't find property " + name + ".");
+ return property;
+ }
+
+ protected void addProperty(Map<String, Variable> properties, String name, Object value, Binding binding) {
+ if(value != null) {
+ properties.put(name, new ConstantPropertyVariable(this, name, value, binding));
+ }
+ }
+
+ protected Variable getNameVariable(ReadGraph graph) throws DatabaseException {
+ return new ConstantPropertyVariable(this, Variables.NAME, getName(graph), Bindings.STRING);
+ }
+
+ protected Variable getLabelVariable(ReadGraph graph) throws DatabaseException {
+ return new ConstantPropertyVariable(this, Variables.LABEL, getPossibleLabel(graph), Bindings.STRING);
+ }
+
+ final public Collection<Variable> browseProperties(ReadGraph graph) throws DatabaseException {
+ return getProperties(graph);
+ }
+
+ private Map<String, Variable> getPropertyMap(ReadGraph graph, String classification) throws DatabaseException {
+ return collectDomainProperties(graph, classification, null);
+ }
+
+ final static class PropertyMap extends THashMap<String,Variable> {
+
+ final private Variable variable;
+
+ PropertyMap(Variable variable) {
+ this.variable = variable;
+ }
+
+ private Variable getTypeVariable() {
+
+ return new AbstractConstantPropertyVariable(variable, Variables.TYPE, null) {
+
+ @SuppressWarnings("unchecked")
+ @Override
+ public <T> T getValue(ReadGraph graph) throws DatabaseException {
+ Resource represents = parent.getRepresents(graph);
+ if(represents == null) return null;
+ return (T)graph.getPossibleType(represents, Layer0.getInstance(graph).Entity);
+ }
+
+ @Override
+ public <T> T getValue(ReadGraph graph, Binding binding) throws DatabaseException {
+ return getValue(graph);
+ }
+
+ };
+ }
+
+ private Variable getURIVariable() {
+
+ return new AbstractConstantPropertyVariable(variable, Variables.URI, null) {
+
+ @SuppressWarnings("unchecked")
+ @Override
+ public <T> T getValue(ReadGraph graph) throws DatabaseException {
+ return (T)variable.getURI(graph);
+ }
+
+ @Override
+ public <T> T getValue(ReadGraph graph, Binding binding) throws DatabaseException {
+ return getValue(graph);
+ }
+
+ };
+ }
+
+ public Variable get(Object key) {
+ Variable result = super.get(key);
+ if(result != null) return result;
+
+ if(Variables.TYPE.equals(key)) return getTypeVariable();
+ else if(Variables.URI.equals(key)) return getURIVariable();
+
+ return null;
+ }
+
+ }
+
+ private Map<String, Variable> getPropertyMap(ReadGraph graph) throws DatabaseException {
+ PropertyMap properties = new PropertyMap(this);
+// Map<String, Variable> properties = new HashMap<String, Variable>();
+// try {
+// properties.put(Variables.NAME, getNameVariable(graph));
+// } catch (DatabaseException e) {
+// // A variable that has no name doesn't exist by definition.
+// // Therefore it can't have any properties.
+// return Collections.emptyMap();
+// }
+// try {
+// Variable labelVariable = getLabelVariable(graph);
+// if(labelVariable != null) properties.put(Variables.LABEL, getLabelVariable(graph));
+// } catch (DatabaseException e) {
+// // Label not absolutely mandatory.
+// }
+// addProperty(properties, Variables.TYPE, getPossibleType(graph), null);
+// addProperty(properties, Variables.URI, getPossibleURI(graph), Bindings.STRING);
+ //addProperty(properties, Variables.SERIALISED, getSerialized(graph), Bindings.STRING);
+ //addProperty(properties, Variables.PARENT, getParent(graph), null);
+// addProperty(properties, Variables.ROLE, getRole(graph), Bindings.STRING);
+// addProperty(properties, Variables.REPRESENTS, getPossibleRepresents(graph), null);
+ collectExtraProperties(graph, properties);
+ collectDomainProperties(graph, properties);
+ return properties;
+ }
+
+ @Override
+ public Collection<Variable> getProperties(ReadGraph graph) throws DatabaseException {
+ return getPropertyMap(graph).values();
+ }
+
+ public Collection<Variable> getProperties(ReadGraph graph, String classification) throws DatabaseException {
+ Map<String,Variable> propertyMap = getPropertyMap(graph, classification);
+ if(propertyMap == null) return Collections.emptyList();
+ else return propertyMap.values();
+ }
+
+ @Override
+ public Collection<Variable> getProperties(ReadGraph graph, Resource property) throws DatabaseException {
+ return getProperties(graph, uri(graph, property));
+ }
+
+ final public Collection<Variable> browseChildren(ReadGraph graph) throws DatabaseException {
+ return getChildren(graph);
+ }
+
+ @Override
+ public Variable getPossibleProperty(ReadGraph graph, String name)
+ throws DatabaseException {
+ if(Variables.NAME.equals(name)) {
+ return getNameVariable(graph);
+ }
+ if(Variables.LABEL.equals(name)) {
+ return getLabelVariable(graph);
+ }
+ if(Variables.TYPE.equals(name)) {
+ Object value = getPossibleType(graph);
+ if(value != null)
+ return new ConstantPropertyVariable(this, name, value, null);
+ }
+ if(Variables.URI.equals(name)) {
+ // TODO: getPossibleURI or getURI?
+ Object value = getURI(graph);
+ if(value != null)
+ return new ConstantPropertyVariable(this, name, value, Bindings.STRING);
+ }
+// if(Variables.SERIALISED.equals(name)) {
+// Object value = getSerialized(graph);
+// if(value != null)
+// return new ConstantPropertyVariable(this, name, value, Bindings.STRING);
+// }
+ /*if(Variables.PARENT.equals(name)) {
+ Object value = getParent(graph);
+ if(value != null)
+ return new ConstantPropertyVariable(this, name, value, null);
+ }*/
+// if(Variables.ROLE.equals(name)) {
+// Object value = getRole(graph);
+// if(value != null)
+// return new ConstantPropertyVariable(this, name, value, null);
+// }
+// if(Variables.REPRESENTS.equals(name)) {
+// Object value = getRepresents(graph);
+// if(value != null)
+// return new ConstantPropertyVariable(this, name, value, null);
+// }
+ Variable extra = getPossibleExtraProperty(graph, name);
+ if(extra != null) return extra;
+ return getPossibleDomainProperty(graph, name);
+ }
+
+ @Override
+ public Variable getPossibleProperty(ReadGraph graph, Resource property) throws DatabaseException {
+ return getPossibleProperty(graph, name(graph, property));
+ }
+
+ @SuppressWarnings("unchecked")
+ protected <T> T checkNull(ReadGraph graph, Object value) throws DatabaseException {
+ if(value == null)
+ throw new MissingVariableValueException(getClass().getSimpleName() + ": Didn't find value for " + getPossibleURI(graph));
+ return (T)value;
+ }
+
+ private String name(ReadGraph graph, Resource property) throws DatabaseException {
+ return graph.getRelatedValue(property, Layer0.getInstance(graph).HasName, Bindings.STRING);
+ }
+
+ private String uri(ReadGraph graph, Resource property) throws DatabaseException {
+ return graph.getURI(property);
+ }
+
+ @Override
+ public <T> T getPropertyValue(ReadGraph graph, String name) throws DatabaseException {
+ if(Variables.LABEL.equals(name)) return checkNull(graph, getLabel(graph));
+ Variable result = getDomainProperty(graph, name);
+ if(result != null) return result.getValue(graph);
+ if(Variables.NAME.equals(name)) return checkNull(graph, getName(graph));
+ if(Variables.TYPE.equals(name)) return checkNull(graph, getPossibleType(graph));
+ if(Variables.URI.equals(name)) return checkNull(graph, getURI(graph));
+// if(Variables.SERIALISED.equals(name)) return checkNull(graph, getSerialized(graph));
+// if(Variables.ROLE.equals(name)) return checkNull(graph, getRole(graph));
+// if(Variables.REPRESENTS.equals(name)) return checkNull(graph, getRepresents(graph));
+ Variable extra = getPossibleExtraProperty(graph, name);
+ if(extra != null) return extra.getValue(graph);
+ return null;
+ }
+
+ @Override
+ public <T> T getPropertyValue(ReadGraph graph, Resource property) throws DatabaseException {
+ return getPropertyValue(graph, name(graph, property));
+ }
+
+ @SuppressWarnings("unchecked")
+ @Override
+ public <T> T getPossiblePropertyValue(ReadGraph graph, String name)
+ throws DatabaseException {
+
+ Variable property = getPossibleDomainProperty(graph, name);
+ if(property != null) return property.getPossibleValue(graph);
+
+ if(Variables.NAME.equals(name)) return (T)getName(graph);
+ if(Variables.LABEL.equals(name)) return (T)getLabel(graph);
+ if(Variables.TYPE.equals(name)) return (T)getPossibleType(graph);
+ if(Variables.URI.equals(name)) return (T)getURI(graph);
+// if(Variables.SERIALISED.equals(name)) return (T)getSerialized(graph);
+// if(Variables.ROLE.equals(name)) return (T)getRole(graph);
+// if(Variables.REPRESENTS.equals(name)) return (T)getRepresents(graph);
+
+ Variable extra = getPossibleExtraProperty(graph, name);
+ if(extra != null) return extra.getPossibleValue(graph);
+
+ return null;
+
+ }
+
+ @Override
+ public <T> T getPossiblePropertyValue(ReadGraph graph, Resource property) throws DatabaseException {
+ return getPossiblePropertyValue(graph, name(graph, property));
+ }
+
+ @SuppressWarnings("unchecked")
+ @Override
+ public <T> T getPropertyValue(ReadGraph graph, String name, Binding binding)
+ throws DatabaseException {
+ if(binding instanceof StringBinding) {
+ StringBinding sb = (StringBinding)binding;
+ try {
+ if(Variables.NAME.equals(name)) return (T)sb.create((String)checkNull(graph, getName(graph)));
+ if(Variables.LABEL.equals(name)) return (T)sb.create((String)checkNull(graph, getLabel(graph)));
+ if(Variables.URI.equals(name)) return (T)sb.create((String)checkNull(graph, getURI(graph)));
+// if(Variables.SERIALISED.equals(name)) return (T)sb.create((String)checkNull(graph, getSerialized(graph)));
+ } catch(BindingException e) {
+ throw new DatabaseException(e);
+ }
+ }
+ Variable property = getPossibleExtraProperty(graph, name);
+ if(property != null)
+ return property.getValue(graph, binding);
+ property = getPossibleDomainProperty(graph, name);
+ if(property == null)
+ throw new MissingVariableException("Didn't find property " + name + " for " + this + ".");
+ return property.getValue(graph, binding);
+ }
+
+ @Override
+ public <T> T getPropertyValue(ReadGraph graph, Resource property, Binding binding) throws DatabaseException {
+ return getPropertyValue(graph, name(graph, property), binding);
+ }
+
+ @SuppressWarnings("unchecked")
+ @Override
+ public <T> T getPossiblePropertyValue(ReadGraph graph, String name,
+ Binding binding) throws DatabaseException {
+ if(binding instanceof StringBinding) {
+ StringBinding sb = (StringBinding)binding;
+ try {
+ if(Variables.NAME.equals(name)) return (T)sb.create((String)getName(graph));
+ if(Variables.LABEL.equals(name)) return (T)sb.create((String)getLabel(graph));
+ if(Variables.URI.equals(name)) return (T)sb.create((String)getURI(graph));
+// if(Variables.SERIALISED.equals(name)) return (T)sb.create((String)getSerialized(graph));
+ } catch(BindingException e) {
+ throw new DatabaseException(e);
+ }
+ }
+ Variable property = getPossibleExtraProperty(graph, name);
+ if(property != null)
+ return property.getPossibleValue(graph, binding);
+ property = getPossibleDomainProperty(graph, name);
+ if(property == null)
+ return null;
+ return property.getPossibleValue(graph, binding);
+ }
+
+ @Override
+ public <T> T getPossiblePropertyValue(ReadGraph graph, Resource property, Binding binding) throws DatabaseException {
+ return getPossiblePropertyValue(graph, name(graph, property), binding);
+ }
+
+ @Override
+ public void setValue(WriteGraph graph, Object value) throws DatabaseException {
+ try {
+ setValue(graph, value, Bindings.getBinding(value.getClass()));
+ } catch (BindingConstructionException e) {
+ throw new DatabaseException(e);
+ }
+ }
+
+ @Override
+ public void setPropertyValue(WriteGraph graph, String name, Object value) throws DatabaseException {
+ getProperty(graph, name).setValue(graph, value);
+ }
+
+ @Override
+ public void setPropertyValue(WriteGraph graph, Resource property, Object value) throws DatabaseException {
+ setPropertyValue(graph, name(graph, property), value);
+ }
+
+ @Override
+ public void setPropertyValue(WriteGraph graph, String name, Object value,
+ Binding binding) throws DatabaseException {
+ getProperty(graph, name).setValue(graph, value, binding);
+ }
+
+ @Override
+ public void setPropertyValue(WriteGraph graph, Resource property, Object value, Binding binding) throws DatabaseException {
+ setPropertyValue(graph, name(graph, property), value, binding);
+ }
+
+ @Override
+ public Variable getChild(ReadGraph graph, String name)
+ throws DatabaseException {
+ Variable child = getPossibleChild(graph, name);
+ if(child == null)
+ throw new MissingVariableException(getURI(graph) + ": didn't find child " + name + " for " + getIdentifier() + ".");
+ return child;
+ }
+
+ @Override
+ public Variable getProperty(ReadGraph graph, String name) throws DatabaseException {
+ Variable result = getPossibleProperty(graph, name);
+ if(result == null)
+ throw new MissingVariableException(getClass().getSimpleName() + ": Didn't find property " + name + " for " + getPossibleURI(graph) + ".");
+ return result;
+ }
+
+ @Override
+ public Variable getProperty(ReadGraph graph, Resource property) throws DatabaseException {
+ return getProperty(graph, name(graph, property));
+ }
+
+ @Override
+ public Variable browse(ReadGraph graph, String suffix)
+ throws DatabaseException {
+
+ if(suffix.isEmpty())
+ return this;
+ switch(suffix.charAt(0)) {
+ case '.': {
+ Variable parent = getParent(graph);
+ if(parent == null)
+ throw new MissingVariableException("Didn't find " + suffix + " for " + this + " (" + getPossibleURI(graph) + ").");
+ return parent.browse(graph, suffix.substring(1));
+ }
+ case '#': {
+ int segmentEnd = getSegmentEnd(suffix);
+ Variable property = getProperty(graph,
+ decodeString(suffix.substring(1, segmentEnd)));
+ if(property == null)
+ throw new MissingVariableException("Didn't find " + suffix + " for " + this + " (" + getPossibleURI(graph) + ").");
+ return property.browse(graph, suffix.substring(segmentEnd));
+ }
+ case '/': {
+ int segmentEnd = getSegmentEnd(suffix);
+ Variable child = getChild(graph,
+ decodeString(suffix.substring(1, segmentEnd)));
+ if(child == null)
+ throw new MissingVariableException("Didn't find " + suffix + " for " + this + " (" + getPossibleURI(graph) + ").");
+ return child.browse(graph, suffix.substring(segmentEnd));
+ }
+ default:
+ throw new MissingVariableException("Didn't find " + suffix + " for " + this + " (" + getPossibleURI(graph) + ").");
+ }
+
+ }
+
+ private static int getSegmentEnd(String suffix) {
+ int pos;
+ for(pos=1;pos<suffix.length();++pos) {
+ char c = suffix.charAt(pos);
+ if(c == '/' || c == '#')
+ break;
+ }
+ return pos;
+ }
+
+ @Override
+ public Variable browsePossible(ReadGraph graph, String suffix)
+ throws DatabaseException {
+ if(suffix.isEmpty())
+ return this;
+ switch(suffix.charAt(0)) {
+ case '.': {
+ Variable parent = getParent(graph);
+ if(parent == null)
+ return null;
+ return parent.browsePossible(graph, suffix.substring(1));
+ }
+ case '#': {
+ int segmentEnd = getSegmentEnd(suffix);
+ Variable property = getPossibleProperty(graph,
+ decodeString(suffix.substring(1, segmentEnd)));
+ if(property == null)
+ return null;
+ return property.browsePossible(graph, suffix.substring(segmentEnd));
+ }
+ case '/': {
+ int segmentEnd = getSegmentEnd(suffix);
+ Variable child = getPossibleChild(graph,
+ decodeString(suffix.substring(1, segmentEnd)));
+ if(child == null)
+ return null;
+ return child.browsePossible(graph, suffix.substring(segmentEnd));
+ }
+ default:
+ return null;
+ }
+ }
+
+ @Override
+ public Variable browse(ReadGraph graph, Resource config)
+ throws DatabaseException {
+ Variable variable = browsePossible(graph, config);
+ if(variable == null)
+ throw new MissingVariableException("Didn't find a variable related to " +
+ NameUtils.getSafeName(graph, config) + ".");
+ return variable;
+ }
+
+ @Override
+ public Variable browsePossible(ReadGraph graph, Resource config)
+ throws DatabaseException {
+ Layer0 l0 = Layer0.getInstance(graph);
+ String name = (String)graph.getPossibleRelatedValue(config, l0.HasName, Bindings.STRING);
+ if (name == null)
+ return null;
+ return getPossibleChild(graph, name);
+ }
+
+ @Override
+ public <T> T getInterface(ReadGraph graph, Class<T> clazz)
+ throws DatabaseException {
+ return null;
+ }
+
+ @Override
+ public String getURI(ReadGraph graph) throws DatabaseException {
+ validate(graph);
+ Variable parent = getParent(graph);
+ if (parent == null)
+ throw new InvalidVariableException(this + " has no URI");
+ return parent.getURI(graph) + getRole(graph).getIdentifier() + encodeString(getName(graph));
+ }
+
+ /**
+ * For debug messages.
+ *
+ * @param graph
+ * @return
+ * @throws DatabaseException
+ */
+ public String getPossibleURI(ReadGraph graph) throws DatabaseException {
+ Variable parent = getParent(graph);
+ if (parent == null)
+ return null;
+ if (parent instanceof AbstractVariable) {
+ String parentUri = ((AbstractVariable) parent).getPossibleURI(graph);
+ if (parentUri == null)
+ return null;
+ return parentUri + getRole(graph).getIdentifier() + encodeString(getName(graph));
+ }
+ return null;
+ }
+
+ public <T> T getPossibleValue(ReadGraph graph) throws DatabaseException {
+ try {
+ return getValue(graph);
+ } catch(DatabaseException e) {
+ return null;
+ }
+ }
+
+ @Override
+ public Variant getVariantValue(ReadGraph graph) throws DatabaseException {
+ Binding binding = getPossibleDefaultBinding(graph);
+ if(binding != null) {
+ Object value = getValue(graph, binding);
+ return new Variant(binding, value);
+ } else {
+// System.err.println("no data type for " + getURI(graph));
+ // TODO: hackish, consider doing something else here?
+ Object value = getValue(graph);
+ try {
+ binding = Bindings.OBJECT.getContentBinding(value);
+ } catch (BindingException e) {
+ throw new DatabaseException(e);
+ }
+ return new Variant(binding, value);
+ }
+ }
+
+ public Variant getPossibleVariantValue(ReadGraph graph) throws DatabaseException {
+ Binding binding = getPossibleDefaultBinding(graph);
+ if(binding != null) {
+ Object value = getPossibleValue(graph, binding);
+ if(value == null) return null;
+ return new Variant(binding, value);
+ } else {
+ Object value = getPossibleValue(graph);
+ if(value == null) return null;
+ try {
+ // TODO: hackish, consider doing something else here?
+ binding = value != null ? Bindings.getBinding(value.getClass()) : null;
+ return new Variant(binding, value);
+ } catch (BindingConstructionException e) {
+ return null;
+ }
+ }
+ }
+
+ public <T> T getPossibleValue(ReadGraph graph, Binding binding) throws DatabaseException {
+ try {
+ return getValue(graph, binding);
+ } catch(MissingVariableValueException e) {
+ return null;
+ }
+ }
+
+ public <T> T adapt(ReadGraph graph, Class<T> clazz) throws DatabaseException {
+ throw new AdaptionException(this + " does not support adaption to " + clazz);
+ }
+
+ @Override
+ public <T> T adaptPossible(ReadGraph graph, Class<T> clazz) throws DatabaseException {
+ try {
+ return adapt(graph, clazz);
+ } catch (AdaptionException e) {
+ return null;
+ }
+ }
+
+
+ public static String encodeString(String string) throws DatabaseException {
+ if (string == null || "".equals(string)) return string;
+ return URIStringUtils.escape(string);
+ }
+
+ public static String decodeString(String string) throws DatabaseException {
+ return URIStringUtils.unescape(string);
+ }
+
+
+ protected Variable getPossiblePropertyFromContext(ReadGraph graph, Resource context, String name) throws DatabaseException {
+
+ Map<String, Resource> predicates = graph.syncRequest(new PropertyMapOfResource(context));
+ Resource property = predicates.get(name);
+ if(property == null) return null;
+ Resource object = graph.getSingleObject(context, property);
+ Variable objectAdapter = graph.getPossibleContextualAdapter(object, new ModelledVariablePropertyDescriptorImpl(this, context, property),
+ ModelledVariablePropertyDescriptor.class, Variable.class);
+ if(objectAdapter != null) return objectAdapter;
+ return graph.getPossibleContextualAdapter(property, new ModelledVariablePropertyDescriptorImpl(this, context, property),
+ ModelledVariablePropertyDescriptor.class, Variable.class);
+
+ }
+
+ protected Map<String, Variable> collectPropertiesFromContext(ReadGraph graph, Resource context, Map<String, Variable> properties) throws DatabaseException {
+
+ for(Map.Entry<String, Resource> entry : graph.syncRequest(new PropertyMapOfResource(context)).entrySet()) {
+ String name = entry.getKey();
+ Resource property = entry.getValue();
+ Resource object = graph.getSingleObject(context, property);
+ Variable objectAdapter = graph.getPossibleContextualAdapter(object, new ModelledVariablePropertyDescriptorImpl(this, context, property),
+ ModelledVariablePropertyDescriptor.class, Variable.class);
+ if(objectAdapter != null) {
+ if(objectAdapter != null) {
+ if(properties == null) properties = new HashMap<String,Variable>();
+ properties.put(name, objectAdapter);
+ }
+ } else {
+ Variable predicateAdapter = graph.getPossibleContextualAdapter(property, new ModelledVariablePropertyDescriptorImpl(this, context, property),
+ ModelledVariablePropertyDescriptor.class, Variable.class);
+ if(predicateAdapter != null) {
+ if(properties == null) properties = new HashMap<String,Variable>();
+ properties.put(name, predicateAdapter);
+ }
+ }
+
+ }
+
+ return properties;
+
+ }
+
+ @Override
+ public Variable resolve(ReadGraph graph, RVIPart part) throws DatabaseException {
+ if(part instanceof StringRVIPart) {
+ StringRVIPart srp = (StringRVIPart)part;
+ if(Role.CHILD.equals(srp.getRole())) return getChild(graph, srp.string);
+ else if(Role.PROPERTY.equals(srp.getRole())) return getProperty(graph, srp.string);
+ } else if(part instanceof ResourceRVIPart) {
+ ResourceRVIPart rrp = (ResourceRVIPart)part;
+ if(Role.CHILD.equals(rrp.getRole())) return resolveChild(graph, rrp.resource);
+ else if(Role.PROPERTY.equals(rrp.getRole())) return resolveProperty(graph, rrp.resource);
+ } else if(part instanceof GuidRVIPart) {
+ GuidRVIPart grp = (GuidRVIPart)part;
+ if(Role.CHILD.equals(grp.getRole())) return resolveChild(graph, grp);
+ else if(Role.PROPERTY.equals(grp.getRole())) return resolveProperty(graph, grp);
+ }
+ throw new DatabaseException("Unrecognized RVIPart: " + part);
+ }
+
+ @Override
+ public Variable resolvePossible(ReadGraph graph, RVIPart part) throws DatabaseException {
+ if(part instanceof StringRVIPart) {
+ StringRVIPart srp = (StringRVIPart)part;
+ if(Role.CHILD.equals(srp.getRole())) return getPossibleChild(graph, srp.string);
+ else if(Role.PROPERTY.equals(srp.getRole())) return getPossibleProperty(graph, srp.string);
+ } else if(part instanceof ResourceRVIPart) {
+ ResourceRVIPart rrp = (ResourceRVIPart)part;
+ if(Role.CHILD.equals(rrp.getRole())) return resolvePossibleChild(graph, rrp.resource);
+ else if(Role.PROPERTY.equals(rrp.getRole())) return resolvePossibleProperty(graph, rrp.resource);
+ } else if(part instanceof GuidRVIPart) {
+ GuidRVIPart grp = (GuidRVIPart)part;
+ if(Role.CHILD.equals(grp.getRole())) return resolvePossibleChild(graph, grp);
+ else if(Role.PROPERTY.equals(grp.getRole())) return resolvePossibleProperty(graph, grp);
+ }
+ throw new DatabaseException("Unrecognized RVIPart: " + part);
+ }
+
+ @Override
+ public Datatype getDatatype(ReadGraph graph) throws DatabaseException {
+ throw new DatabaseException("No data type.");
+ }
+
+ public Binding getDefaultBinding(ReadGraph graph) throws DatabaseException {
+ Datatype type = getDatatype(graph);
+ return Bindings.getBinding(type);
+ }
+
+ public Binding getPossibleDefaultBinding(ReadGraph graph) throws DatabaseException {
+ try {
+ return getDefaultBinding(graph);
+ } catch(DatabaseException e) {
+ return null;
+ }
+ }
+
+ @Override
+ public Datatype getPossibleDatatype(ReadGraph graph) throws DatabaseException {
+ try {
+ return getDatatype(graph);
+ } catch(DatabaseException e) {
+ return null;
+ }
+ }
+
+// public Binding getPossibleDefaultBinding(ReadGraph graph) throws DatabaseException {
+//
+// Datatype type = getPossibleDatatype(graph);
+// if(type == null) return null;
+// return Bindings.getBinding(type);
+//
+// }
+//
+// @Override
+// public Datatype getPossibleDatatype(ReadGraph graph) throws DatabaseException {
+//
+// Variant vt = getVariantValue(graph);
+// if(vt == null) return null;
+// Binding binding = vt.getBinding();
+// if(binding == null) return null;
+// return binding.type();
+//
+// }
+
+ @Override
+ public Variable getPredicate(ReadGraph graph) throws DatabaseException {
+ throw new DatabaseException(getClass().getSimpleName() + ": No predicate property for " + getPossibleURI(graph));
+ }
+
+ @Override
+ public Variable getPossiblePredicate(ReadGraph graph) throws DatabaseException {
+ try {
+ return getPredicate(graph);
+ } catch(DatabaseException e) {
+ return null;
+ }
+ }
+
+ @Override
+ public Resource getPredicateResource(ReadGraph graph) throws DatabaseException {
+ Variable predicate = getPredicate(graph);
+ if(predicate == null) throw new DatabaseException(getClass().getSimpleName() + ": No predicate property for " + getPossibleURI(graph));
+ return predicate.getRepresents(graph);
+ }
+
+ @Override
+ public Resource getPossiblePredicateResource(ReadGraph graph) throws DatabaseException {
+ Variable predicate = getPossiblePredicate(graph);
+ if(predicate == null) return null;
+ else return predicate.getPossibleRepresents(graph);
+ }
+
+ @Override
+ public Resource getPossibleRepresents(ReadGraph graph) throws DatabaseException {
+ try {
+ return getRepresents(graph);
+ } catch(DatabaseException e) {
+ return null;
+ }
+ }
+
+ @Override
+ public Resource getPossibleType(ReadGraph graph) throws DatabaseException {
+ Resource resource = getPossibleRepresents(graph);
+ if(resource == null) {
+ String uri = getPossiblePropertyValue(graph, "typeURI");
+ if(uri != null) return graph.syncRequest(new PossibleResource(uri), TransientCacheAsyncListener.<Resource>instance());
+ return null;
+ }
+ return graph.getPossibleObject(resource, Layer0.getInstance(graph).InstanceOf);
+ }
+
+ public Resource getType(ReadGraph graph, Resource baseType) throws DatabaseException {
+ Resource resource = getPossibleRepresents(graph);
+ if(resource == null) {
+ String uri = getPossiblePropertyValue(graph, "typeURI");
+ if(uri != null) return graph.syncRequest(new org.simantics.db.common.primitiverequest.Resource(uri), TransientCacheAsyncListener.<Resource>instance());
+ throw new DatabaseException("No type for " + getURI(graph));
+ }
+ return graph.getSingleType(resource, baseType);
+ }
+
+ @Override
+ public Resource getPossibleType(ReadGraph graph, Resource baseType) throws DatabaseException {
+ Resource resource = getPossibleRepresents(graph);
+ if(resource == null) {
+ String uri = getPossiblePropertyValue(graph, "typeURI");
+ if(uri != null) {
+ Resource type = graph.syncRequest(new PossibleResource(uri), TransientCacheAsyncListener.<Resource>instance());
+ if(type == null) return null;
+ if(graph.isInheritedFrom(type, baseType)) return type;
+ else return null;
+ }
+ return null;
+ }
+ return graph.getPossibleType(resource, baseType);
+ }
+
+ public Map<String, Variable> collectDomainProperties(ReadGraph graph, String classification, Map<String, Variable> map) throws DatabaseException {
+ Map<String,Variable> all = collectDomainProperties(graph, null);
+ for(Map.Entry<String, Variable> entry : all.entrySet()) {
+ Set<String> classifications = entry.getValue().getClassifications(graph);
+ if(classifications.contains(classification)) {
+ if(map == null) map = new HashMap<String,Variable>();
+ map.put(entry.getKey(), entry.getValue());
+ }
+ }
+ return map;
+ }
+
+ @Override
+ public RVI getPossibleRVI(ReadGraph graph) throws DatabaseException {
+ try {
+ return getRVI(graph);
+ } catch(DatabaseException e) {
+ return null;
+ }
+ }
+
+}