/*******************************************************************************
* Copyright 2012 Pearson Education
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
******************************************************************************/
package org.semantictools.uml.model;
public class UmlAssociation {
private UmlAssociationEnd[] ends;
public UmlAssociation(UmlAssociationEnd end1, UmlAssociationEnd end2) {
ends = new UmlAssociationEnd[] {end1, end2};
}
public UmlAssociationEnd[] getEnds() {
return ends;
}
public UmlAssociationEnd getSelfEnd(UmlClass endpoint) {
if (ends[0].getParticipant().getURI().equals(endpoint.getURI())) return ends[0];
if (ends[1].getParticipant().getURI().equals(endpoint.getURI())) return ends[1];
throw new IllegalArgumentException(endpoint.getURI() + " is not a valid endpoint");
}
public UmlAssociationEnd getOtherEnd(UmlClass endpoint) {
if (ends[0].getParticipant().getURI().equals(endpoint.getURI())) return ends[1];
if (ends[1].getParticipant().getURI().equals(endpoint.getURI())) return ends[0];
throw new IllegalArgumentException(endpoint.getURI() + " is not a valid endpoint");
}
public boolean equals(UmlAssociation other) {
return
(ends[0].equals(other.ends[0]) && ends[1].equals(other.ends[1])) ||
(ends[0].equals(other.ends[1]) && ends[1].equals(other.ends[0]));
}
public String toString() {
return "Association[" + ends[0] + ", " + ends[1] + "]";
}
}