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/*******************************************************************************
* Copyright (c) 1998, 2013 Oracle and/or its affiliates. All rights reserved.
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v1.0 and Eclipse Distribution License v. 1.0
* which accompanies this distribution.
* The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html
* and the Eclipse Distribution License is available at
* http://www.eclipse.org/org/documents/edl-v10.php.
*
* Contributors:
* 10/28/2008-1.1 James Sutherland - initial implementation
******************************************************************************/
package org.eclipse.persistence.internal.queries;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Vector;
import org.eclipse.persistence.internal.sessions.AbstractSession;
/**
* PERF: Avoids reflection usage for ArrayList.
*/
public class ArrayListContainerPolicy extends ListContainerPolicy {
/**
* INTERNAL:
* Construct a new policy.
*/
public ArrayListContainerPolicy() {
super();
}
/**
* INTERNAL:
* Construct a new policy for the specified class.
*/
public ArrayListContainerPolicy(Class containerClass) {
super(containerClass);
}
/**
* INTERNAL:
* Construct a new policy for the specified class name.
*/
public ArrayListContainerPolicy(String containerClassName) {
super(containerClassName);
}
/**
* INTERNAL:
* Return a clone of the specified container.
*/
public Object cloneFor(Object container) {
if (container == null) {
return null;
}
try {
return ((ArrayList)container).clone();
} catch (Exception notArrayList) {
// Could potentially be another Collection type as well.
return new ArrayList((Collection)container);
}
}
/**
* INTERNAL:
* Return an ArrayList from the Vector.
*/
public Object buildContainerFromVector(Vector vector, AbstractSession session) {
return new ArrayList(vector);
}
/**
* INTERNAL:
* Return a new ArrayList.
*/
public Object containerInstance() {
return new ArrayList();
}
/**
* INTERNAL:
* Return a new ArrayList.
*/
public Object containerInstance(int initialCapacity) {
return new ArrayList(initialCapacity);
}
}