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/*
* Copyright (c) 2004 - 2012 Eike Stepper (Berlin, Germany) 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:
* Eike Stepper - initial API and implementation
*/
package org.eclipse.emf.cdo.common.lob;
import java.io.IOException;
import java.io.OutputStream;
import java.io.Writer;
/**
* A callback interface for handling large objects.
*
* @author Eike Stepper
* @since 4.0
* @apiviz.uses {@link CDOLob} - - handles
*/
public interface CDOLobHandler
{
/**
* A callback method for handling a {@link CDOBlob binary large object}. The {@link CDOLob#getID() ID} and
* {@link CDOLob#getSize() size} of the blob are passed by the caller. The implementor may return a
* {@link OutputStream stream} that the blob content will be written to by the caller of this method, or
* <code>null</code> to indicate that the content is not needed.
*/
public OutputStream handleBlob(byte[] id, long size) throws IOException;
/**
* A callback method for handling a {@link CDOClob character large object}. The {@link CDOLob#getID() ID} and
* {@link CDOLob#getSize() size} of the blob are passed by the caller. The implementor may return a {@link Writer
* writer} that the blob content will be written to by the caller of this method, or <code>null</code> to indicate
* that the content is not needed.
*/
public Writer handleClob(byte[] id, long size) throws IOException;
}
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