X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.modeling%2Fsrc%2Forg%2Fsimantics%2Fmodeling%2FImmutableComponentVariable.java;fp=bundles%2Forg.simantics.modeling%2Fsrc%2Forg%2Fsimantics%2Fmodeling%2FImmutableComponentVariable.java;h=6ed9273906e090dc805e52d7583f5d139cd99988;hb=3850fec72035293b9a4ede780d01aedc5fbc9056;hp=0000000000000000000000000000000000000000;hpb=1e957fc9da518f3bef8a2c19cad72772087e1b6a;p=simantics%2Fplatform.git

diff --git a/bundles/org.simantics.modeling/src/org/simantics/modeling/ImmutableComponentVariable.java b/bundles/org.simantics.modeling/src/org/simantics/modeling/ImmutableComponentVariable.java
new file mode 100644
index 000000000..6ed927390
--- /dev/null
+++ b/bundles/org.simantics.modeling/src/org/simantics/modeling/ImmutableComponentVariable.java
@@ -0,0 +1,122 @@
+package org.simantics.modeling;
+
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.Map;
+
+import org.simantics.db.ReadGraph;
+import org.simantics.db.Resource;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.db.layer0.variable.AbstractChildVariable;
+import org.simantics.db.layer0.variable.StandardGraphChildVariable;
+import org.simantics.db.layer0.variable.Variable;
+
+public class ImmutableComponentVariable extends AbstractChildVariable {
+
+	@Override
+	public int hashCode() {
+		final int prime = 31;
+		int result = 1;
+		result = prime * result + ((content == null) ? 0 : content.hashCode());
+		result = prime * result + ((parent == null) ? 0 : parent.hashCode());
+		return result;
+	}
+
+	@Override
+	public boolean equals(Object obj) {
+		if (this == obj)
+			return true;
+		if (obj == null)
+			return false;
+		if (getClass() != obj.getClass())
+			return false;
+		ImmutableComponentVariable other = (ImmutableComponentVariable) obj;
+		if (content == null) {
+			if (other.content != null)
+				return false;
+		} else if (!content.equals(other.content))
+			return false;
+		if (parent == null) {
+			if (other.parent != null)
+				return false;
+		} else if (!parent.equals(other.parent))
+			return false;
+		return true;
+	}
+
+	final private Variable parent;
+	final private ImmutableComponentVariableContent content;
+	
+	ImmutableComponentVariable(Variable parent, ImmutableComponentVariableContent content) {
+		this.parent = parent;
+		this.content = content;
+	}
+	
+	@Override
+	public String getName(ReadGraph graph) throws DatabaseException {
+		return content.name;
+	}
+	
+	@Override
+	public Variable getParent(ReadGraph graph) throws DatabaseException {
+		return parent;
+	}
+	
+	@Override
+	public Resource getRepresents(ReadGraph graph) throws DatabaseException {
+		return content.resource;
+	}
+
+	@Override
+	public Variable getPossibleChild(ReadGraph graph, String name) throws DatabaseException {
+		if(content.children == null) return null;
+		ImmutableComponentVariableContent c = content.children.get(name);
+		if(c == null) return null;
+		return new ImmutableComponentVariable(this, c);
+	}
+	
+	@Override
+	public Collection<Variable> getChildren(ReadGraph graph) throws DatabaseException {
+		if(content.children == null) return Collections.emptyList();
+		ArrayList<Variable> result = new ArrayList<Variable>(content.children.size());
+		for(ImmutableComponentVariableContent c : content.children.values()) {
+			result.add(new ImmutableComponentVariable(this, c));
+		}
+		return result;
+	}
+	
+	@Override
+	protected Variable getPossibleDomainProperty(ReadGraph graph, String name) throws DatabaseException {
+
+		if(content.properties == null)
+			return null;
+
+		ImmutableComponentPropertyContent p = content.properties.get(name);
+		if(p != null)
+			return new ImmutableComponentPropertyVariable(this, p);
+		
+		return new StandardGraphChildVariable(parent, node, content.resource).getPossibleProperty(graph, name);
+		
+	}
+	
+	@Override
+	public Map<String, Variable> collectDomainProperties(ReadGraph graph, Map<String, Variable> map)
+			throws DatabaseException {
+		
+		if(content.properties == null)
+			return map;
+
+		if(map == null)
+			map = new HashMap<>();
+		
+		for(ImmutableComponentPropertyContent p : content.properties.values()) {
+			map.put(p.pi.name, new ImmutableComponentPropertyVariable(this, p));
+		}
+
+		return map;
+		
+	}
+	
+}