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*
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*
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* trunk/opends/resource/legal-notices/OpenDS.LICENSE. If applicable,
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*
* Copyright 2006-2010 Sun Microsystems, Inc.
* Portions Copyright 2011-2013 ForgeRock AS
*/
package org.opends.server.replication.protocol;
/**
* The version utility class for the replication protocol.
*/
public class ProtocolVersion
{
/**
* The constant for the first historical version of the replication protocol.
*/
public static final short REPLICATION_PROTOCOL_V1 = 1;
/**
* The constant for the real value of the first historical version of the
* replication protocol (was used in start messages only).
*/
public static final short REPLICATION_PROTOCOL_V1_REAL = 49;
/**
* The constant for the second version of the replication protocol.
* Add fields in the header for assured replication.
*/
public static final short REPLICATION_PROTOCOL_V2 = 2;
/**
* The constant for the 3rd version of the replication protocol.
* Add messages for remote ECL : not used as of today.
*/
public static final short REPLICATION_PROTOCOL_V3 = 3;
/**
* The constant for the 4th version of the replication protocol.
* - Add to the body of the ADD/MOD/MODDN/DEL msgs, a list of attribute for
* ECL entry attributes.
* - Modified algorithm for choosing a RS to connect to: introduction of a
* ReplicationServerDSMsg message.
* -> also added of the server URL in RSInfo of TopologyMsg
* - Introduction of a StopMsg for proper connections ending.
* - Initialization failover/flow control
*/
public static final short REPLICATION_PROTOCOL_V4 = 4;
/**
* The constant for the 5th version of the replication protocol.
* - Add support for wild-cards in change log included attributes
* - Add support for specifying additional included attributes for deletes
* - See OPENDJ-194.
*/
public static final short REPLICATION_PROTOCOL_V5 = 5;
/**
* The constant for the 6th version of the replication protocol.
* - include DS local URL in the DSInfo of TopologyMsg.
*/
public static final short REPLICATION_PROTOCOL_V6 = 6;
/**
* The constant for the 7th version of the replication protocol.
* - compact encoding for length, CSNs, and server IDs.
*/
public static final short REPLICATION_PROTOCOL_V7 = 7;
/**
* The replication protocol version used by the instance of RS/DS in this VM.
*/
private static final short CURRENT_VERSION = REPLICATION_PROTOCOL_V7;
/**
* Gets the current version of the replication protocol.
*
* @return The current version of the protocol.
*/
public static short getCurrentVersion()
{
return CURRENT_VERSION;
}
/**
* Specifies the oldest version of the protocol from the provided one
* and the current one.
*
* @param version The version to be compared to the current one.
* @return The minimal protocol version.
*/
public static short getCompatibleVersion(short version)
{
return (version < CURRENT_VERSION ? version : CURRENT_VERSION);
}
}