/**
* Copyright (c) 2007 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM - Initial API and implementation
*/
package org.eclipse.emf.ecore.util;
import java.util.AbstractSequentialList;
import java.util.Collection;
import java.util.Iterator;
import java.util.List;
import java.util.ListIterator;
import org.eclipse.emf.common.notify.NotificationChain;
import org.eclipse.emf.ecore.util.InternalEList;
/**
* An abstract implementation of {@link InternalEList}.
* Clients must override either {@link #basicList()} or {@link #basicListIterator(int)}
* since these two methods delegate to each other and unless that cycle is broken will lead to stack overflow.
* @since 2.4
*/
public abstract class AbstractSequentialInternalEList<E> extends AbstractSequentialList<E> implements InternalEList<E>
{
protected AbstractSequentialInternalEList()
{
super();
}
public boolean addAllUnique(Collection<? extends E> collection)
{
return addAllUnique(size(), collection);
}
public boolean addAllUnique(int index, Collection<? extends E> collection)
{
return addAll(index, collection);
}
public void addUnique(E object)
{
addUnique(size(), object);
}
public void addUnique(int index, E object)
{
add(index, object);
}
public NotificationChain basicAdd(E object, NotificationChain notifications)
{
addUnique(object);
return notifications;
}
public E basicGet(int index)
{
return basicList().get(index);
}
public Iterator<E> basicIterator()
{
return basicListIterator();
}
public List<E> basicList()
{
return
new AbstractSequentialList<E>()
{
@Override
public ListIterator<E> listIterator(int index)
{
return basicListIterator(index);
}
@Override
public int size()
{
return AbstractSequentialInternalEList.this.size();
}
};
}
public ListIterator<E> basicListIterator()
{
return basicListIterator(0);
}
public ListIterator<E> basicListIterator(int index)
{
return basicList().listIterator(index);
}
public NotificationChain basicRemove(Object object, NotificationChain notifications)
{
remove(object);
return notifications;
}
public boolean basicContains(Object object)
{
return basicList().contains(object);
}
public boolean basicContainsAll(Collection<?> collection)
{
return basicList().containsAll(collection);
}
public int basicIndexOf(Object object)
{
return basicList().indexOf(object);
}
public int basicLastIndexOf(Object object)
{
return basicList().lastIndexOf(object);
}
public Object[] basicToArray()
{
return basicList().toArray();
}
public <T> T[] basicToArray(T[] array)
{
return basicList().toArray(array);
}
public E setUnique(int index, E object)
{
return set(index, object);
}
public void move(int newPosition, E object)
{
remove(object);
add(newPosition, object);
}
public E move(int newPosition, int oldPosition)
{
E movedObject = remove(oldPosition);
add(newPosition, movedObject);
return movedObject;
}
}