1 package org.simantics.modeling;
3 import org.simantics.db.ReadGraph;
4 import org.simantics.db.Resource;
5 import org.simantics.db.common.procedure.adapter.TransientCacheListener;
6 import org.simantics.db.common.utils.NameUtils;
7 import org.simantics.db.exception.DatabaseException;
8 import org.simantics.db.layer0.variable.StandardGraphChildVariable;
9 import org.simantics.db.layer0.variable.StandardGraphPropertyVariable;
10 import org.simantics.db.layer0.variable.Variable;
11 import org.simantics.db.layer0.variable.VariableBuilder;
12 import org.simantics.db.layer0.variable.VariableNode;
14 public class ImmutableComponentVariableBuilder<Node> implements VariableBuilder<Node> {
17 public Variable buildChild(ReadGraph graph, Variable parent, VariableNode<Node> node, Resource child) throws DatabaseException {
18 if(graph.isImmutable(child)) {
19 ImmutableComponentVariableContent content = graph.syncRequest(new ImmutableComponentVariableContentRequest(child), TransientCacheListener.instance());
20 return new ImmutableComponentVariable(parent, content);
22 return new StandardGraphChildVariable(parent, node, child);
27 public Variable buildProperty(ReadGraph graph, Variable parent, VariableNode<Node> node, Resource subject, Resource predicate) throws DatabaseException {
28 return new StandardGraphPropertyVariable(graph, parent, node, subject, predicate);