--- /dev/null
+package org.simantics.db.layer0.variable;\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.binding.Binding;\r
+import org.simantics.databoard.type.Datatype;\r
+import org.simantics.db.ReadGraph;\r
+import org.simantics.db.Resource;\r
+import org.simantics.db.WriteGraph;\r
+import org.simantics.db.exception.DatabaseException;\r
+import org.simantics.utils.ObjectUtils;\r
+\r
+abstract public class AbstractConstantPropertyVariable extends AbstractPropertyVariable {\r
+\r
+ final protected Variable parent;\r
+ final String name;\r
+ final Binding binding;\r
+ final Map<String, Variable> properties;\r
+\r
+ public AbstractConstantPropertyVariable(Variable parent, String name, Binding binding, Collection<ConstantPropertyVariableBuilder> propertyBuilders, Set<String> classifications) {\r
+ assert parent != null;\r
+ assert name != null;\r
+ this.parent = parent;\r
+ this.name = name;\r
+ this.binding = binding;\r
+ this.properties = new HashMap<String, Variable>(propertyBuilders.size());\r
+ for(ConstantPropertyVariableBuilder builder : propertyBuilders) {\r
+ properties.put(builder.getName(), builder.build(this));\r
+ }\r
+ if(!classifications.isEmpty())\r
+ properties.put(Variables.CLASSIFICATIONS, new ConstantPropertyVariable(this, Variables.CLASSIFICATIONS, classifications, null));\r
+ }\r
+\r
+ public AbstractConstantPropertyVariable(Variable parent, String name, Binding binding) {\r
+ this(parent, name, binding, Collections.<ConstantPropertyVariableBuilder>emptyList(), Collections.<String>emptySet());\r
+ }\r
+\r
+ @Override\r
+ public void setValue(WriteGraph graph, Object value, Binding binding)\r
+ throws DatabaseException {\r
+ throw new DatabaseException("Value is constant.");\r
+ }\r
+\r
+ @Override\r
+ public String getName(ReadGraph graph) throws DatabaseException {\r
+ return name;\r
+ }\r
+\r
+ @Override\r
+ public Resource getType(ReadGraph graph) throws DatabaseException {\r
+ return null;\r
+ }\r
+\r
+ @Override\r
+ public Resource getPossibleType(ReadGraph graph) throws DatabaseException {\r
+ return null;\r
+ }\r
+\r
+ @Override\r
+ public Resource getType(ReadGraph graph, Resource baseType) throws DatabaseException {\r
+ return null;\r
+ }\r
+\r
+ @Override\r
+ public Resource getPossibleType(ReadGraph graph, Resource baseType) throws DatabaseException {\r
+ return null;\r
+ }\r
+\r
+// @Override\r
+// public Object getSerialized(ReadGraph graph) throws DatabaseException {\r
+// return name;\r
+// }\r
+\r
+ @Override\r
+ public Variable getParent(ReadGraph graph) throws DatabaseException {\r
+ return parent;\r
+ }\r
+\r
+ @Override\r
+ public Resource getRepresents(ReadGraph graph) throws DatabaseException {\r
+ return null;\r
+ }\r
+ \r
+ @Override\r
+ public Datatype getDatatype(ReadGraph graph) throws DatabaseException {\r
+ return binding != null ? binding.type() : null;\r
+ }\r
+ \r
+ @Override\r
+ public Resource getPropertyResource(ReadGraph graph) throws DatabaseException {\r
+ return null;\r
+ }\r
+\r
+ @Override\r
+ public Resource getContainerResource(ReadGraph graph) throws DatabaseException {\r
+ return null;\r
+ }\r
+ \r
+ @Override\r
+ public Variable getPredicate(ReadGraph graph) throws DatabaseException {\r
+ return null;\r
+ }\r
+ \r
+ @Override\r
+ protected Variable getPossibleDomainProperty(ReadGraph graph, String name)\r
+ throws DatabaseException {\r
+ return properties.get(name);\r
+ }\r
+\r
+ @Override\r
+ public Map<String, Variable> collectDomainProperties(ReadGraph graph,\r
+ Map<String, Variable> properties) throws DatabaseException {\r
+ if(!this.properties.isEmpty()) {\r
+ if(properties == null) properties = new HashMap<String,Variable>(this.properties.size());\r
+ properties.putAll(this.properties);\r
+ }\r
+ return properties;\r
+ }\r
+ \r
+ @Override\r
+ public Set<String> getClassifications(ReadGraph graph) throws DatabaseException {\r
+ Variable property = getPossibleDomainProperty(graph, Variables.CLASSIFICATIONS);\r
+ if(property != null) return property.getValue(graph);\r
+ else return Collections.emptySet();\r
+ }\r
+ \r
+ @Override\r
+ public int hashCode() {\r
+ final int prime = 31;\r
+ int result = 1;\r
+ result = prime * result + name.hashCode();\r
+ result = prime * result + parent.hashCode();\r
+ result = prime * result + ((binding == null) ? 0 : binding.hashCode());\r
+ return result;\r
+ }\r
+\r
+ @Override\r
+ public boolean equals(Object obj) {\r
+ if (this == obj)\r
+ return true;\r
+ if (obj == null)\r
+ return false;\r
+ if (getClass() != obj.getClass())\r
+ return false;\r
+ AbstractConstantPropertyVariable other = (AbstractConstantPropertyVariable) obj;\r
+ if (!name.equals(other.name))\r
+ return false;\r
+ if (!parent.equals(other.parent))\r
+ return false;\r
+ return ObjectUtils.objectEquals(binding, other.binding);\r
+ }\r
+\r
+}\r