bitronix.tm.utils.CollectionUtils Maven / Gradle / Ivy
/*
* Copyright (C) 2006-2013 Bitronix Software (http://www.bitronix.be)
*
* 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 bitronix.tm.utils;
import java.util.Collection;
/**
* {@link Collection} helper functions.
*
* @author Ludovic Orban
*/
public class CollectionUtils
{
private CollectionUtils()
{
//Nothing needed
}
/**
* Check if a collection contains a specific object by searching for it by identity
* instead of by using equals/hashcode.
*
* @param collection
* the collection to search in.
* @param toBeFound
* the object to search for.
*
* @return true if the collection contains the object, false otherwise.
*/
public static boolean containsByIdentity(Collection collection, Object toBeFound)
{
for (Object o : collection)
{
if (o == toBeFound)
{
return true;
}
}
return false;
}
}