/*
* Copyright 2003-2016 JetBrains s.r.o.
*
* 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 jetbrains.mps.util;
import org.jetbrains.mps.openapi.model.SNode;
import java.util.Comparator;
/**
* Compare nodes using their {@link SNode#getPresentation() presentation}
*/
public class SNodePresentationComparator implements Comparator<SNode> {
@Override
public int compare(SNode o1, SNode o2) {
if (o1 == null || o2 == null) {
return 0;
}
return o1.getPresentation().compareTo(o2.getPresentation());
}
}