/*
* Copyright (c) 2000, 2003, Oracle and/or its affiliates. All rights reserved.
* ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
*
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package com.sun.corba.se.spi.ior;
import java.util.List;
import java.util.ArrayList;
import java.util.Iterator;
import com.sun.corba.se.impl.ior.FreezableList ;
import com.sun.corba.se.spi.ior.TaggedComponent ;
import com.sun.corba.se.spi.ior.Identifiable ;
/** Convenience class for defining objects that contain lists of Identifiables.
* Mainly implements iteratorById. Also note that the constructor creates the
* list, which here is always an ArrayList, as this is much more efficient overall
* for short lists.
* @author Ken Cavanaugh
*/
public class IdentifiableContainerBase extends FreezableList
{
/** Create this class with an empty list of identifiables.
* The current implementation uses an ArrayList.
*/
public IdentifiableContainerBase()
{
super( new ArrayList() ) ;
}
/** Return an iterator which iterates over all contained Identifiables
* with type given by id.
*/
public Iterator iteratorById( final int id)
{
return new Iterator() {
Iterator iter = IdentifiableContainerBase.this.iterator() ;
Object current = advance() ;
private Object advance()
{
while (iter.hasNext()) {
Identifiable ide = (Identifiable)(iter.next()) ;
if (ide.getId() == id)
return ide ;
}
return null ;
}
public boolean hasNext()
{
return current != null ;
}
public Object next()
{
Object result = current ;
current = advance() ;
return result ;
}
public void remove()
{
iter.remove() ;
}
} ;
}
}