ChangeAssociationKindCommand.java

package org.eclipse.uml2.diagram.common.commands;

import org.eclipse.gmf.runtime.emf.type.core.commands.SetValueCommand;
import org.eclipse.gmf.runtime.emf.type.core.requests.SetRequest;
import org.eclipse.uml2.diagram.common.conventions.AssociationEndConvention;
import org.eclipse.uml2.uml.AggregationKind;
import org.eclipse.uml2.uml.Association;
import org.eclipse.uml2.uml.UMLPackage;

public class ChangeAssociationKindCommand extends SetValueCommand {

	public ChangeAssociationKindCommand(Association association, AggregationKind kind) {
		super(new SetAggregationKindRequest(association, kind));
	}

	public static class SetAggregationKindRequest extends SetRequest {

		// Regarding getTargetEnd() below : consider link from S to T.
		// composition diamond at the side of S (source) represents aggregation = composite 
		// for property end t : T that is placed at target end.
		public SetAggregationKindRequest(Association association, AggregationKind kind) {
			super(AssociationEndConvention.getTargetEnd(association), UMLPackage.eINSTANCE.getProperty_Aggregation(), kind);
		}
	}

}