/*
* JacORB - a free Java ORB
*
* Copyright (C) 1999-2014 Gerald Brose / The JacORB Team.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the Free
* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
package org.jacorb.orb.portableInterceptor;
import org.omg.CORBA.UserException;
import org.omg.PortableInterceptor.Interceptor;
/**
* @author Gerald Brose
*/
public abstract class AbstractInterceptorIterator
{
protected final Interceptor[] interceptors;
protected int index = 0;
protected int increment = 1;
public AbstractInterceptorIterator(Interceptor[] interceptors)
{
this.interceptors = interceptors;
}
/**
* Tests, if there are more elements available.
*/
protected boolean hasMoreElements()
{
return ( index >= 0 ) && ( index < interceptors.length );
}
/**
* Returns the next element in the enumeration
*/
protected Interceptor nextElement()
{
Interceptor result = interceptors[index];
index += increment;
return result;
}
protected void iterate()
throws UserException
{
while( hasMoreElements() )
{
invoke( nextElement() );
}
}
abstract protected void invoke(Interceptor interceptor)
throws UserException;
}