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package com.c2kernel.collection;
/**
* @version $Revision: 1.34 $ $Date: 2004/03/23 09:29:41 $
* @author $Author: abranson $
*/
import com.c2kernel.graph.model.Vertex;
import com.c2kernel.property.*;
import com.c2kernel.utils.Logger;
public class AggregationDescription extends Aggregation implements CollectionDescription
{
public AggregationDescription()
{
setName("AggregationDescription");
mMembers = new CollectionMemberList();
}
public AggregationDescription(String name)
{
setName(name);
mMembers = new CollectionMemberList();
}
public Collection newInstance()
{
AggregationInstance newInstance = new AggregationInstance(getName());
newInstance.setURLInfo(getURLInfo());
//for each desc member
for (int i=0; i<size(); i++)
{
AggregationMember mem = (AggregationMember) mMembers.list.get(i);
//get the propdesc of the member item
PropertyDescriptionList pdList = PropertyUtility.getPropertyDescriptionOutcome(mem.getEntityKey());
if (pdList!=null)
{
//create the new props of the member object
try {
Vertex v = getLayout().getVertexById(mem.getID());
newInstance.addMember(-1, PropertyUtility.createProperty(pdList), pdList.getClassProps(),v.getCentrePoint(),v.getWidth(),v.getHeight());
} catch (MembershipException e) {
// won't happen as we're not assigning an entity
}
}
else
{
Logger.error("AggregationDescription::newInstance() There is no PropertyDescription. Cannot instantiate. " + mem.getEntityKey());
return null;
}
}
return newInstance;
}
}
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