1 files changed, 111 insertions, 0 deletions
diff --git a/source/com/c2kernel/collection/Aggregation.java b/source/com/c2kernel/collection/Aggregation.java
new file mode 100755
index 0000000..72b8005
--- /dev/null
+++ b/source/com/c2kernel/collection/Aggregation.java
@@ -0,0 +1,111 @@
+package com.c2kernel.collection;
+
+import java.util.Iterator;
+
+import com.c2kernel.collection.gui.model.AggregationVertexOutlineCreator;
+import com.c2kernel.graph.model.*;
+import com.c2kernel.utils.*;
+
+/**
+ * @version $Revision: 1.59 $ $Date: 2004/08/10 07:56:08 $
+ * @author  $Author: abranson $
+ */
+
+abstract public class Aggregation extends Parent2ChildCollection
+{
+
+    protected GraphModel mLayout = new GraphModel(new AggregationVertexOutlineCreator());
+
+    private final TypeNameAndConstructionInfo[] mVertexTypeNameAndConstructionInfo = {
+            new TypeNameAndConstructionInfo(Language.translate("Slot"), "AggregationMember") 
+    };
+
+    public Aggregation()
+    {
+    	setName("Aggregation");
+        mMembers = new CollectionMemberList();
+    }
+
+
+    public GraphModel getLayout()
+    {
+        return mLayout;
+    }
+
+    public void setLayout(GraphModel layout)
+    {
+        mLayout = layout;
+    }
+
+    public TypeNameAndConstructionInfo[] getVertexTypeNameAndConstructionInfo()
+    {
+        return mVertexTypeNameAndConstructionInfo;
+    }
+
+    public boolean exists(int entityKey)
+    {
+    	for (int i=0; i<size(); i++)
+    	{
+    		AggregationMember element = (AggregationMember) mMembers.list.get(i);
+            if (element.getEntityKey() == entityKey)
+                return true;
+    	}
+    	return false;   	
+    }
+
+	public AggregationMember getMemberPair(int vertexID)
+	{
+    	for (int i=0; i<size(); i++)
+    	{
+    		AggregationMember element = (AggregationMember) mMembers.list.get(i);
+            if (element.getID() == vertexID)
+                return element;
+    	}
+    	return null;		
+	}
+
+    public void addMember(int entityKey, CastorHashMap props, String classProps, GraphPoint location, int w, int h)
+        throws MembershipException
+    {
+        // Create new member object
+        AggregationMember aggMem = new AggregationMember();
+        aggMem.setProperties(props);
+        aggMem.setClassProps(classProps);
+        aggMem.assignEntity(entityKey);
+
+        // create vertex
+        com.c2kernel.graph.model.Vertex vertex = new com.c2kernel.graph.model.Vertex();
+        vertex.setHeight(h); vertex.setWidth(w);
+        mLayout.addVertexAndCreateId(vertex,location);
+        aggMem.setCollection(this);
+        aggMem.setID(vertex.getID());
+        aggMem.setIsLayoutable(true);
+        aggMem.setIsComposite( RelationshipUtils.getIsComposite(entityKey)  );
+        mMembers.list.add(aggMem);
+        Logger.msg(8, "AggregationDescription::addMember(" + entityKey + ") added to children linked to vertexid " + vertex.getID());
+    }
+
+
+    public void addMember(int entityKey, CastorHashMap props, String classProps) throws MembershipException 
+    {
+        addMember(entityKey, props, classProps, new GraphPoint(100,100*getCounter()), 20, 20);
+    }
+    
+    public void addMember(int entityKey) throws MembershipException {
+        throw new MembershipException("Aggregations cannot accept arbitrary members without type info");
+        
+    }
+
+    public void removeMember(int memberId) throws MembershipException {
+        for (Iterator iter = mMembers.list.iterator(); iter.hasNext();) {
+            AggregationMember element = (AggregationMember)iter.next();
+            if (element.getID() == memberId) {
+                element.clearEntity();
+                mLayout.removeVertex(getLayout().getVertexById(memberId));
+                return;
+            }
+        }
+        throw new MembershipException("Member "+memberId+" not found");
+    }
+
+}