X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.db.layer0%2Fsrc%2Forg%2Fsimantics%2Fdb%2Flayer0%2Fvariable%2FStandardRVIResolver.java;h=7c7ba292d851d8bfde2cbf1f13d2fe3713885848;hb=1ecae6e1ad40507badb8807fb14bb67b4adf199c;hp=562fbfcbf1e0cc6e50bfdf36ef81e4e1eed385f4;hpb=969bd23cab98a79ca9101af33334000879fb60c5;p=simantics%2Fplatform.git

diff --git a/bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/variable/StandardRVIResolver.java b/bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/variable/StandardRVIResolver.java
index 562fbfcbf..7c7ba292d 100644
--- a/bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/variable/StandardRVIResolver.java
+++ b/bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/variable/StandardRVIResolver.java
@@ -1,126 +1,126 @@
-package org.simantics.db.layer0.variable;
-
-import org.simantics.databoard.Bindings;
-import org.simantics.databoard.Databoard;
-import org.simantics.databoard.binding.Binding;
-import org.simantics.datatypes.literal.GUID;
-import org.simantics.db.ReadGraph;
-import org.simantics.db.Resource;
-import org.simantics.db.exception.DatabaseException;
-import org.simantics.db.layer0.exception.MissingVariableException;
-import org.simantics.db.layer0.request.VariablePossibleRVIRequest;
-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;
-
-public class StandardRVIResolver implements RVIResolver {
-
-    public static final StandardRVIResolver INSTANCE = new StandardRVIResolver();
-
-    protected RVIPart getRVIPart(ReadGraph graph, Variable variable) throws DatabaseException {
-        if(variable instanceof AbstractVariable) {
-            AbstractVariable abst = (AbstractVariable)variable;
-            return abst.getRVIPart(graph);
-        }
-        Role role = variable.getRole(graph);
-        return new StringRVIPart(role, variable.getName(graph));
-    }
-    
-    @Override
-    public RVI getRVI(ReadGraph graph, Variable variable) throws DatabaseException {
-        Databoard databoard = graph.getService( Databoard.class );
-        Binding rviBinding = databoard.getBindingUnchecked( RVI.class );
-        if(Variables.isContext(graph, variable)) {
-            return RVI.empty( rviBinding );
-        } else {
-            Variable parent = variable.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 " + variable + " (URI=" + variable.getURI(graph) + ")");
-            RVI base = graph.syncRequest(new VariableRVIRequest(parent));
-            RVIPart part = getRVIPart(graph, variable);
-            return new RVIBuilder(base).append(part).toRVI();
-        }
-    }
-
-    @Override
-    public RVI getPossibleRVI(ReadGraph graph, Variable variable) throws DatabaseException {
-        Databoard databoard = graph.getService( Databoard.class );
-        Binding rviBinding = databoard.getBindingUnchecked( RVI.class );
-        if(Variables.isContext(graph, variable)) {
-            return RVI.empty( rviBinding );
-        } else {
-            Variable parent = variable.getParent(graph);
-            if (parent == null) return null;
-            RVI base = graph.syncRequest(new VariablePossibleRVIRequest(parent));
-            if (base == null) return null;
-            RVIPart part = getRVIPart(graph, variable);
-            return new RVIBuilder(base).append(part).toRVI();
-        }
-    }
-
-    protected Variable resolveChild(ReadGraph graph, Variable variable, Resource resource) throws DatabaseException {
-        String rName = graph.getRelatedValue(resource, Layer0.getInstance(graph).HasName, Bindings.STRING);
-        return variable.getChild(graph, rName);
-    }
-    
-    protected Variable resolveProperty(ReadGraph graph, Variable variable, Resource resource) throws DatabaseException {
-        String rName = graph.getRelatedValue(resource, Layer0.getInstance(graph).HasName, Bindings.STRING);
-        return variable.getProperty(graph, rName);
-    }
-    
-    protected Variable resolveChild(ReadGraph graph, Variable variable, GuidRVIPart part) throws DatabaseException {
-    	return resolveChildDefault(graph, variable, part);
-    }
-
-    protected Variable resolveProperty(ReadGraph graph, Variable variable, GuidRVIPart part) throws DatabaseException {
-    	return resolvePropertyDefault(graph, variable, part);
-    }
-
-    public static Variable resolveChildDefault(ReadGraph graph, Variable variable, GuidRVIPart part) throws DatabaseException {
-		Layer0 L0 = Layer0.getInstance(graph);
-    	for(Variable child : variable.getChildren(graph)) {
-    		GUID id = child.getPossiblePropertyValue(graph, L0.identifier, GUID.BINDING);
-    		if(id != null) {
-    			if(id.mostSignificant == part.mostSignificant && id.leastSignificant == part.leastSignificant)
-    				return child;
-    		}
-    	}
-    	throw new DatabaseException("Could not resolve child " + part);
-    }
-
-    public static Variable resolvePropertyDefault(ReadGraph graph, Variable variable, GuidRVIPart part) throws DatabaseException {
-		Layer0 L0 = Layer0.getInstance(graph);
-    	for(Variable child : variable.getProperties(graph)) {
-    		GUID id = child.getPossiblePropertyValue(graph, L0.identifier, GUID.BINDING);
-    		if(id != null) {
-    			if(id.mostSignificant == part.mostSignificant && id.leastSignificant == part.leastSignificant)
-    				return child;
-    		}
-    	}
-    	throw new DatabaseException("Could not resolve property " + part);
-    }
-
-    @Override
-    public Variable getVariable(ReadGraph graph, Variable context, RVIPart part) throws DatabaseException {
-        if(part instanceof StringRVIPart) {
-            StringRVIPart srp = (StringRVIPart)part;
-            if(Role.CHILD.equals(srp.getRole())) return context.getChild(graph, srp.string);
-            else if(Role.PROPERTY.equals(srp.getRole())) return context.getProperty(graph, srp.string);
-        } else if(part instanceof ResourceRVIPart) {
-            ResourceRVIPart rrp = (ResourceRVIPart)part;
-            if(Role.CHILD.equals(rrp.getRole())) return resolveChild(graph, context, rrp.resource);
-            else if(Role.PROPERTY.equals(rrp.getRole())) return resolveProperty(graph, context, rrp.resource);
-        } else if(part instanceof GuidRVIPart) {
-            GuidRVIPart grp = (GuidRVIPart)part;
-            if(Role.CHILD.equals(grp.getRole())) return resolveChild(graph, context, grp);
-            else if(Role.PROPERTY.equals(grp.getRole())) return resolveProperty(graph, context, grp);
-        }
-        throw new DatabaseException("Unrecognized RVIPart: " + part);
-    }
-
-}
+package org.simantics.db.layer0.variable;
+
+import org.simantics.databoard.Bindings;
+import org.simantics.databoard.Databoard;
+import org.simantics.databoard.binding.Binding;
+import org.simantics.datatypes.literal.GUID;
+import org.simantics.db.ReadGraph;
+import org.simantics.db.Resource;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.db.layer0.exception.MissingVariableException;
+import org.simantics.db.layer0.request.VariablePossibleRVIRequest;
+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;
+
+public class StandardRVIResolver implements RVIResolver {
+
+    public static final StandardRVIResolver INSTANCE = new StandardRVIResolver();
+
+    protected RVIPart getRVIPart(ReadGraph graph, Variable variable) throws DatabaseException {
+        if(variable instanceof AbstractVariable) {
+            AbstractVariable abst = (AbstractVariable)variable;
+            return abst.getRVIPart(graph);
+        }
+        Role role = variable.getRole(graph);
+        return new StringRVIPart(role, variable.getName(graph));
+    }
+    
+    @Override
+    public RVI getRVI(ReadGraph graph, Variable variable) throws DatabaseException {
+        if(Variables.isContext(graph, variable)) {
+            Databoard databoard = graph.getService( Databoard.class );
+            Binding rviBinding = databoard.getBindingUnchecked( RVI.class );
+            return RVI.empty( rviBinding );
+        } else {
+            Variable parent = variable.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 " + variable + " (URI=" + variable.getURI(graph) + ")", variable.getPossibleRepresents(graph));
+            RVI base = graph.syncRequest(new VariableRVIRequest(parent));
+            RVIPart part = getRVIPart(graph, variable);
+            return new RVIBuilder(base).append(part).toRVI();
+        }
+    }
+
+    @Override
+    public RVI getPossibleRVI(ReadGraph graph, Variable variable) throws DatabaseException {
+        if(Variables.isContext(graph, variable)) {
+            Databoard databoard = graph.getService( Databoard.class );
+            Binding rviBinding = databoard.getBindingUnchecked( RVI.class );
+            return RVI.empty( rviBinding );
+        } else {
+            Variable parent = variable.getParent(graph);
+            if (parent == null) return null;
+            RVI base = graph.syncRequest(new VariablePossibleRVIRequest(parent));
+            if (base == null) return null;
+            RVIPart part = getRVIPart(graph, variable);
+            return new RVIBuilder(base).append(part).toRVI();
+        }
+    }
+
+    protected Variable resolveChild(ReadGraph graph, Variable variable, Resource resource) throws DatabaseException {
+        String rName = graph.getRelatedValue(resource, Layer0.getInstance(graph).HasName, Bindings.STRING);
+        return variable.getChild(graph, rName);
+    }
+    
+    protected Variable resolveProperty(ReadGraph graph, Variable variable, Resource resource) throws DatabaseException {
+        String rName = graph.getRelatedValue(resource, Layer0.getInstance(graph).HasName, Bindings.STRING);
+        return variable.getProperty(graph, rName);
+    }
+    
+    protected Variable resolveChild(ReadGraph graph, Variable variable, GuidRVIPart part) throws DatabaseException {
+    	return resolveChildDefault(graph, variable, part);
+    }
+
+    protected Variable resolveProperty(ReadGraph graph, Variable variable, GuidRVIPart part) throws DatabaseException {
+    	return resolvePropertyDefault(graph, variable, part);
+    }
+
+    public static Variable resolveChildDefault(ReadGraph graph, Variable variable, GuidRVIPart part) throws DatabaseException {
+		Layer0 L0 = Layer0.getInstance(graph);
+    	for(Variable child : variable.getChildren(graph)) {
+    		GUID id = child.getPossiblePropertyValue(graph, L0.identifier, GUID.BINDING);
+    		if(id != null) {
+    			if(id.mostSignificant == part.mostSignificant && id.leastSignificant == part.leastSignificant)
+    				return child;
+    		}
+    	}
+    	throw new MissingVariableException("Could not resolve child " + part, variable.getPossibleRepresents(graph));
+    }
+
+    public static Variable resolvePropertyDefault(ReadGraph graph, Variable variable, GuidRVIPart part) throws DatabaseException {
+		Layer0 L0 = Layer0.getInstance(graph);
+    	for(Variable child : variable.getProperties(graph)) {
+    		GUID id = child.getPossiblePropertyValue(graph, L0.identifier, GUID.BINDING);
+    		if(id != null) {
+    			if(id.mostSignificant == part.mostSignificant && id.leastSignificant == part.leastSignificant)
+    				return child;
+    		}
+    	}
+    	throw new MissingVariableException("Could not resolve property " + part, variable.getPossibleRepresents(graph));
+    }
+
+    @Override
+    public Variable getVariable(ReadGraph graph, Variable context, RVIPart part) throws DatabaseException {
+        if(part instanceof StringRVIPart) {
+            StringRVIPart srp = (StringRVIPart)part;
+            if(Role.CHILD.equals(srp.getRole())) return context.getChild(graph, srp.string);
+            else if(Role.PROPERTY.equals(srp.getRole())) return context.getProperty(graph, srp.string);
+        } else if(part instanceof ResourceRVIPart) {
+            ResourceRVIPart rrp = (ResourceRVIPart)part;
+            if(Role.CHILD.equals(rrp.getRole())) return resolveChild(graph, context, rrp.resource);
+            else if(Role.PROPERTY.equals(rrp.getRole())) return resolveProperty(graph, context, rrp.resource);
+        } else if(part instanceof GuidRVIPart) {
+            GuidRVIPart grp = (GuidRVIPart)part;
+            if(Role.CHILD.equals(grp.getRole())) return resolveChild(graph, context, grp);
+            else if(Role.PROPERTY.equals(grp.getRole())) return resolveProperty(graph, context, grp);
+        }
+        throw new MissingVariableException("Unrecognized RVIPart: " + part, context.getPossibleRepresents(graph));
+    }
+
+}