/*
* JBoss, Home of Professional Open Source.
* Copyright 2009, Red Hat Middleware LLC, and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.system.server.profileservice.repository.clustered.sync;
import java.io.IOException;
/**
* A {@ link SynchronizationAction} that involves reading content from an item.
*
* @author Brian Stansberry
*
* @version $Revision: $
*/
public interface SynchronizationReadAction<T extends SynchronizationActionContext>
extends SynchronizationAction<T>
{
/**
* Gets the next chunk of bytes from the item associated with this action.
* Each call to this method will retrieve more bytes
*
* @return a ByteChunk.
*
* @throws IOException if there is a problem reading the bytes.
* @throws IllegalStateException if {@link #isComplete()} would return <code>true</code>
*/
ByteChunk getNextBytes() throws IOException;
}