com.orientechnologies.common.factory.ODynamicFactoryInverse Maven / Gradle / Ivy
/*
*
* * Copyright 2014 Orient Technologies LTD (info(at)orientechnologies.com)
* *
* * 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.
* *
* * For more information: http://www.orientechnologies.com
*
*/
package com.orientechnologies.common.factory;
import java.util.HashMap;
import java.util.Map;
public class ODynamicFactoryInverse extends ODynamicFactory {
protected Map inverseRegistry = new HashMap();
public K getInverse(V iValue) {
return inverseRegistry.get(iValue);
}
@Override
public void register(K iKey, V iValue) {
super.register(iKey, iValue);
inverseRegistry.put(iValue, iKey);
}
@Override
public void unregister(K iKey) {
V value = get(iKey);
if (value == null)
return;
super.unregister(iKey);
inverseRegistry.remove(value);
}
}