/*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License, Version 1.0 only
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* (the "License"). You may not use this file except in compliance
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* with the License.
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*
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* You can obtain a copy of the license at
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* trunk/opends/resource/legal-notices/OpenDS.LICENSE
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* or https://OpenDS.dev.java.net/OpenDS.LICENSE.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file at
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* trunk/opends/resource/legal-notices/OpenDS.LICENSE. If applicable,
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* add the following below this CDDL HEADER, with the fields enclosed
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* by brackets "[]" replaced with your own identifying information:
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* Portions Copyright [yyyy] [name of copyright owner]
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*
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* CDDL HEADER END
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*
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*
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* Portions Copyright 2006-2007 Sun Microsystems, Inc.
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*/
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package org.opends.server.replication.protocol;
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import java.io.ByteArrayOutputStream;
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import java.io.IOException;
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import java.io.Serializable;
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import java.io.UnsupportedEncodingException;
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import java.util.zip.DataFormatException;
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/**
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* This message is used by an LDAP server to communicate to the topology
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* that the generation must be reset for the domain.
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*/
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public class ResetGenerationId extends ReplicationMessage implements
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Serializable
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{
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private static final long serialVersionUID = 7657049716115572226L;
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private long generationId;
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/**
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* Creates a new message.
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* @param generationId The new reference value of the generationID.
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*/
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public ResetGenerationId(long generationId)
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{
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this.generationId = generationId;
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}
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/**
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* Creates a new GenerationIdMessage from its encoded form.
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*
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* @param in The byte array containing the encoded form of the
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* WindowMessage.
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* @throws DataFormatException If the byte array does not contain a valid
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* encoded form of the WindowMessage.
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*/
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public ResetGenerationId(byte[] in) throws DataFormatException
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{
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try
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{
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if (in[0] != MSG_TYPE_RESET_GENERATION_ID)
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throw new
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DataFormatException("input is not a valid GenerationId Message");
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int pos = 1;
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/* read the generationId */
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int length = getNextLength(in, pos);
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generationId = Long.valueOf(new String(in, pos, length,
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"UTF-8"));
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pos += length +1;
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} catch (UnsupportedEncodingException e)
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{
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throw new DataFormatException("UTF-8 is not supported by this jvm.");
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}
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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public byte[] getBytes()
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{
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try
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{
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ByteArrayOutputStream oStream = new ByteArrayOutputStream();
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/* Put the message type */
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oStream.write(MSG_TYPE_RESET_GENERATION_ID);
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// Put the generationId
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oStream.write(String.valueOf(generationId).getBytes("UTF-8"));
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oStream.write(0);
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return oStream.toByteArray();
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}
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catch (IOException e)
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{
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// never happens
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return null;
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}
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}
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/**
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* Returns the generation Id set in this message.
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* @return the value of the generation ID.
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*
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*/
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public long getGenerationId()
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{
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return this.generationId;
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}
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}
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