org.kie.hacep.consumer.BidirectionalMap Maven / Gradle / Ivy
/*
* Copyright 2019 Red Hat
*
* 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.kie.hacep.consumer;
import java.io.Serializable;
import java.util.HashMap;
import java.util.Map;
public class BidirectionalMap extends HashMap implements Serializable {
private final Map inversedMap = new HashMap();
@Override
public V remove(Object key) {
V val = super.remove(key);
inversedMap.remove(val);
return val;
}
@Override
public V put(K key, V value) {
inversedMap.put(value, key);
return super.put(key, value);
}
public K getKey(V value) {
return inversedMap.get(value);
}
public K removeValue(V value) {
K key = inversedMap.get(value);
super.remove( key );
return key;
}
}