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45 lines (37 loc) · 1.22 KB
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/*
* Copyright (c) 2008-2014 MongoDB, Inc.
*
* 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.
*/
// UniqueList.java
package com.mongodb.util;
import java.util.ArrayList;
import java.util.Collection;
/**
* @deprecated This class is NOT a part of public API and will be dropped in 3.x versions.
*/
@Deprecated
public class UniqueList<T> extends ArrayList<T> {
private static final long serialVersionUID = -4415279469780082174L;
public boolean add( T t ){
if ( contains( t ) )
return false;
return super.add( t );
}
public boolean addAll(Collection<? extends T> c) {
boolean added = false;
for ( T t : c )
added = added || add( t );
return added;
}
}