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/**
* This file is part of the CRISTAL-iSE kernel.
* Copyright (c) 2001-2014 The CRISTAL Consortium. All rights reserved.
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published
* by the Free Software Foundation; either version 3 of the License, or (at
* your option) any later version.
*
* This library is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; with out even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
* License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library; if not, write to the Free Software Foundation,
* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*
* http://www.fsf.org/licensing/licenses/lgpl.html
*/
package org.cristalise.kernel.collection;
/**
* The description of a Collection with a graph layout. Each slot is
* instantiated empty in the resulting Aggregation, with ClassProps taken from
* the PropertyDescription outcome of the description slot's referenced Item.
*/
import org.cristalise.kernel.common.InvalidCollectionModification;
import org.cristalise.kernel.common.ObjectAlreadyExistsException;
import org.cristalise.kernel.common.ObjectNotFoundException;
import org.cristalise.kernel.graph.model.Vertex;
import org.cristalise.kernel.property.PropertyDescriptionList;
import org.cristalise.kernel.property.PropertyUtility;
import org.cristalise.kernel.utils.Logger;
public class AggregationDescription extends Aggregation implements CollectionDescription<AggregationMember>
{
public AggregationDescription()
{
setName("AggregationDescription");
}
public AggregationDescription(String name)
{
setName(name);
}
@Override
public Aggregation newInstance() throws ObjectNotFoundException
{
AggregationInstance newInstance = new AggregationInstance(getName());
//for each desc member
for (int i=0; i<size(); i++)
{
AggregationMember mem = mMembers.list.get(i);
//get the propdesc of the member item and look for an explicit version
String descVer = getDescVer(mem);
PropertyDescriptionList pdList = PropertyUtility.getPropertyDescriptionOutcome(mem.getItemPath(), descVer);
if (pdList!=null)
{
//create the new props of the member object
try {
Vertex v = getLayout().getVertexById(mem.getID());
newInstance.addMember(null, PropertyUtility.createProperty(pdList), pdList.getClassProps(),v.getCentrePoint(),v.getWidth(),v.getHeight());
} catch (InvalidCollectionModification e) {
} catch (ObjectAlreadyExistsException e) { }
}
else
{
Logger.error("AggregationDescription::newInstance() There is no PropertyDescription. Cannot instantiate. " + mem.getItemPath());
return null;
}
}
return newInstance;
}
}
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