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 /*
  * Copyright (C) 2009 eXo Platform SAS.
  *
  * 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.exoplatform.services.jcr.ext.replication.storage;
Created by The eXo Platform SAS.
Date: 19.12.2008

Author(s):
Alex Reshetnyak
Version:
$Id: ChangesFile.java 31768 2009-05-14 09:35:43Z pnedonosko $
public interface ChangesFile
{

   
File checksum.

Returns:
String return the check sum to file.
   byte[] getChecksum();

   
Validate file CRC.

Throws:
InvalidChecksumException if orogonal and actual CRCis is not equals.
   void validate() throws InvalidChecksumException;

   
getId.

Returns:
long return the id to changes file.
   long getId();

   
getInputStream.

Returns:
InputStream return the input stream
Throws:
java.io.IOException will be generated IOException.
   InputStream getInputStream() throws IOException;

   
Delete file and its file-system storage.

Returns:
boolean, true if delete successful.
Throws:
java.io.IOException on error
See also:
java.io.File.delete()
   boolean delete() throws IOException;

   
getLength.

Returns:
long return the length of changes file
   long getLength();
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