/*
* 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 2006-2010 Sun Microsystems, Inc.
* Portions copyright 2012 ForgeRock AS.
*/
package org.opends.server.replication.protocol;
import org.opends.server.replication.common.ChangeNumber;
import org.opends.server.types.Operation;
import org.opends.server.types.operation.PluginOperation;
/**
* This class describe the replication context that is attached
* to each Operation using the SYNCHROCONTEXT key.
*/
public abstract class OperationContext
{
/**
* The identifier used to attach the context to operations.
*/
public static final String SYNCHROCONTEXT = "replicationContext";
/**
* The change Number of the Operation.
*/
private ChangeNumber changeNumber;
/**
* The unique Id of the entry that was modified in the original operation.
*/
private String entryUUID;
/**
* Create a new OperationContext.
* @param changeNumber The change number of the operation.
* @param entryUUID The unique Identifier of the modified entry.
*/
protected OperationContext(ChangeNumber changeNumber, String entryUUID)
{
this.changeNumber = changeNumber;
this.entryUUID = entryUUID;
}
/**
* Gets The change number of the Operation.
*
* @return The change number of the Operation.
*/
public ChangeNumber getChangeNumber()
{
return changeNumber;
}
/**
* Get the unique Identifier of the modified entry.
*
* @return the unique Identifier of the modified entry.
*/
public String getEntryUUID()
{
return entryUUID;
}
/**
* Get the change number of an operation.
*
* @param op The operation.
*
* @return The change number of the provided operation, or null if there is
* no change number associated with the operation.
*/
public static ChangeNumber getChangeNumber(Operation op)
{
OperationContext ctx = (OperationContext)op.getAttachment(SYNCHROCONTEXT);
if (ctx == null)
{
return null;
}
return ctx.changeNumber;
}
/**
* Get the change number of an operation from the synchronization context
* attached to the provided operation.
*
* @param op The operation.
*
* @return The change number of the provided operation, or null if there is
* no change number associated with the operation.
*/
public static ChangeNumber getChangeNumber(PluginOperation op)
{
OperationContext ctx = (OperationContext)op.getAttachment(SYNCHROCONTEXT);
if (ctx == null)
{
return null;
}
return ctx.changeNumber;
}
/**
* {@inheritDoc}
*/
@Override
public boolean equals(Object obj)
{
if (obj instanceof OperationContext)
{
OperationContext ctx = (OperationContext) obj;
return ((this.changeNumber.equals(ctx.getChangeNumber()) &&
(this.entryUUID.equals(ctx.getEntryUUID()))));
}
else
return false;
}
/**
* {@inheritDoc}
*/
@Override
public int hashCode()
{
return changeNumber.hashCode() + entryUUID.hashCode();
}
}