/*
* Copyright 2003-2011 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.typesystem.newTypesystem.structure;
import jetbrains.mps.util.Pair;
import java.util.ArrayList;
import java.util.List;
public class MatchResult<M, T> {
private List<Pair<Type<M, T>, Type<M, T>>> myEquations = null;
private boolean myIsCorrectMatch;
public MatchResult() {
myIsCorrectMatch = true;
}
private MatchResult(boolean isCorrect) {
myIsCorrectMatch = isCorrect;
}
public void addEquation(Type<M, T> t1, Type<M, T> t2) {
if (myEquations == null) myEquations = new ArrayList<Pair<Type<M, T>, Type<M, T>>>(1);
myEquations.add(new Pair<Type<M, T>, Type<M, T>>(t1, t2));
}
public boolean isCorrectMatch() {
return myIsCorrectMatch;
}
public void addEquations(MatchResult<M, T> childResult) {
myEquations.addAll(childResult.myEquations);
}
public static final MatchResult FALSE = new MatchResult(false);
}