| /* |
| * Copyright (c) 2011, 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; |
| } |