/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.flink.runtime.operators.testutils;
/**
* Utility class for keeping track of matches in join operator tests.
*
* @see MatchRemovingJoiner
*/
public class Match {
private final String left;
private final String right;
public Match(String left, String right) {
this.left = left;
this.right = right;
}
@Override
public boolean equals(Object obj) {
Match o = (Match) obj;
if (left == null && o.left == null && right.equals(o.right)) {
return true;
} else if (right == null && o.right == null && left.equals(o.left)) {
return true;
} else {
return this.left.equals(o.left) && this.right.equals(o.right);
}
}
@Override
public int hashCode() {
if (left == null) {
return right.hashCode();
} else if (right == null) {
return left.hashCode();
} else {
return this.left.hashCode() ^ this.right.hashCode();
}
}
@Override
public String toString() {
return left + ", " + right;
}
}