HistoricalCsnOrderingMatchingRule.java revision 1bac99f5f3008a0c1baa64df5a248f48f209a399
/*
* 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
* 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 2006-2009 Sun Microsystems, Inc.
*/
/**
* Used to establish an order between historical information and index them.
*/
public class HistoricalCsnOrderingMatchingRule
extends AbstractMatchingRule
implements OrderingMatchingRule
{
/**
* The serial version identifier required to satisfy the compiler because this
* class implements the <CODE>java.io.Serializable</CODE> interface. This
* value was generated using the <CODE>serialver</CODE> command-line utility
* included with the Java SDK.
*/
private static final long serialVersionUID = -3424403930225609943L;
/**
* Construct a new HistoricalCsnOrderingMatchingRule object.
*
*/
public HistoricalCsnOrderingMatchingRule()
{
super();
}
/**
* Compare two ByteString values containing historical information.
* @param value1 first value to compare
* @param value2 second value to compare
* @return 0 when equals, -1 or 1 to establish order
*/
{
return -1;
}
/**
* {@inheritDoc}
*/
{
}
/**
* Get the name of this class.
* @return name of the class in String form
*/
{
return "historicalCsnOrderingMatch";
}
/**
* Get the OID of the class.
* @return the OID of the class in String form.
*/
{
return "1.3.6.1.4.1.26027.1.4.4";
}
/**
* Get the description of this Class.
* @return the Class description in String form, currently not used.
*/
public String getDescription()
{
return null;
}
/**
* Get the Syntax OID for this class.
* @return the syntax OID in String form
*/
public String getSyntaxOID()
{
return "1.3.6.1.4.1.26027.1.3.5";
}
/**
* Normalize historical information representation.
* @param value the value that must be normalized
* @return The String form that must be used for historical information
* comparison
*/
{
/* Change the format of the value to index and start
* with the serverId. In that manner, the search response
* time is optimised for a particulare serverId.
* The format of the key is now :
* serverId + timestamp + seqNum
*/
}
/**
* Compares two normalized representation of historical information.
* @param b1 first value to compare
* @param b2 second value to compare
* @return 0, -1 or 1 depending on relative positions
*/
{
for (int i=0; i < minLength; i++)
{
{
continue;
}
{
return -1;
}
{
return 1;
}
}
{
return 0;
}
{
return -1;
}
else
{
return 1;
}
}
}