/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at
* trunk/opends/resource/legal-notices/OpenDS.LICENSE
* or https://OpenDS.dev.java.net/OpenDS.LICENSE.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at
* trunk/opends/resource/legal-notices/OpenDS.LICENSE. If applicable,
* add the following below this CDDL HEADER, with the fields enclosed
* by brackets "[]" replaced with your own identifying information:
* Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*
*
* Copyright 2006-2008 Sun Microsystems, Inc.
* Portions copyright 2013 ForgeRock AS.
*/
package org.opends.server.replication.protocol;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.util.zip.DataFormatException;
/**
* This message is used by an LDAP server to communicate to the topology
* that the generation must be reset for the domain.
*/
public class ResetGenerationIdMsg extends ReplicationMsg
{
private long generationId;
/**
* Creates a new message.
* @param generationId The new reference value of the generationID.
*/
public ResetGenerationIdMsg(long generationId)
{
this.generationId = generationId;
}
/**
* Creates a new GenerationIdMessage from its encoded form.
*
* @param in The byte array containing the encoded form of the
* WindowMessage.
* @throws DataFormatException If the byte array does not contain a valid
* encoded form of the WindowMessage.
*/
public ResetGenerationIdMsg(byte[] in) throws DataFormatException
{
try
{
if (in[0] != MSG_TYPE_RESET_GENERATION_ID)
throw new
DataFormatException("input is not a valid GenerationId Message");
int pos = 1;
/* read the generationId */
int length = getNextLength(in, pos);
generationId = Long.valueOf(new String(in, pos, length,
"UTF-8"));
pos += length +1;
} catch (UnsupportedEncodingException e)
{
throw new DataFormatException("UTF-8 is not supported by this jvm.");
}
}
/**
* {@inheritDoc}
*/
@Override
public byte[] getBytes(short protocolVersion)
{
try
{
ByteArrayOutputStream oStream = new ByteArrayOutputStream();
/* Put the message type */
oStream.write(MSG_TYPE_RESET_GENERATION_ID);
// Put the generationId
oStream.write(String.valueOf(generationId).getBytes("UTF-8"));
oStream.write(0);
return oStream.toByteArray();
}
catch (IOException e)
{
// never happens
return null;
}
}
/**
* Returns the generation Id set in this message.
* @return the value of the generation ID.
*
*/
public long getGenerationId()
{
return this.generationId;
}
/**
* {@inheritDoc}
*/
@Override
public String toString()
{
return "ResetGenerationIdMsg content: " +
"\ngenerationId: " + generationId;
}
}