/*
|
* 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.
|
*/
|
package org.opends.server.replication.plugin;
|
|
import org.opends.server.replication.common.ChangeNumber;
|
import org.opends.server.replication.common.ServerState;
|
import org.opends.server.replication.protocol.LDAPUpdateMsg;
|
import org.opends.server.types.DN;
|
import org.opends.server.types.DirectoryException;
|
import org.opends.server.types.operation.PluginOperation;
|
|
/**
|
* This class is use to store an operation currently
|
* in progress and not yet committed in the database.
|
*/
|
public class PendingChange implements Comparable<PendingChange>
|
{
|
private ChangeNumber changeNumber;
|
private boolean committed;
|
private LDAPUpdateMsg msg;
|
private PluginOperation op;
|
private ServerState dependencyState = null;
|
private DN targetDN = null;
|
|
/**
|
* Construct a new PendingChange.
|
* @param changeNumber the ChangeNumber of use
|
* @param op the operation to use
|
* @param msg the message to use (can be null for local operations)
|
*/
|
public PendingChange(ChangeNumber changeNumber,
|
PluginOperation op,
|
LDAPUpdateMsg msg)
|
{
|
this.changeNumber = changeNumber;
|
this.committed = false;
|
this.op = op;
|
this.msg = msg;
|
}
|
|
/**
|
* Check if a Change is already committed to the database.
|
* @return true if change is already committed to the database.
|
*/
|
public boolean isCommitted()
|
{
|
return committed;
|
}
|
|
/**
|
* Set the committed status of a Pending Change.
|
* @param committed status that must be set
|
*/
|
public void setCommitted(boolean committed)
|
{
|
this.committed = committed;
|
}
|
|
/**
|
* Get the ChangeNumber associated to this PendingChange.
|
* @return the ChangeNumber
|
*/
|
public ChangeNumber getChangeNumber()
|
{
|
return changeNumber;
|
}
|
|
/**
|
* Get the message associated to this PendingChange.
|
* @return the message if operation was a replication operation
|
* null if the operation was a local operation
|
*/
|
public LDAPUpdateMsg getMsg()
|
{
|
return msg;
|
}
|
|
/**
|
* Set the message associated to the PendingChange.
|
* @param msg the message
|
*/
|
public void setMsg(LDAPUpdateMsg msg)
|
{
|
this.msg = msg;
|
}
|
|
/**
|
* Get the operation associated to the PendingChange.
|
* @return the operation
|
*/
|
public PluginOperation getOp()
|
{
|
return this.op;
|
}
|
|
/**
|
* Set the operation associated to this PendingChange.
|
* @param op The operation associated to this PendingChange.
|
*/
|
public void setOp(PluginOperation op)
|
{
|
this.op = op;
|
}
|
|
/**
|
* Add the given ChangeNumber in the list of dependencies of this
|
* PendingChange.
|
*
|
* @param changeNumber The ChangeNumber to add in the list of dependencies
|
* of this PendingChange.
|
*/
|
public void addDependency(ChangeNumber changeNumber)
|
{
|
if (dependencyState == null)
|
{
|
dependencyState = new ServerState();
|
}
|
dependencyState.update(changeNumber);
|
}
|
|
/**
|
* Check if the given ServerState covers the dependencies of this
|
* PendingChange.
|
*
|
* @param state The ServerState for which dependencies must be checked,
|
*
|
* @return A boolean indicating if the given ServerState covers the
|
* dependencies of this PendingChange.
|
*/
|
public boolean dependenciesIsCovered(ServerState state)
|
{
|
return state.cover(dependencyState);
|
}
|
|
/**
|
* Get the Target DN of this message.
|
*
|
* @return The target DN of this message.
|
*/
|
public DN getTargetDN()
|
{
|
synchronized (this)
|
{
|
if (targetDN != null)
|
return targetDN;
|
else
|
{
|
try
|
{
|
targetDN = DN.decode(msg.getDn());
|
}
|
catch (DirectoryException e)
|
{
|
}
|
}
|
return targetDN;
|
}
|
}
|
|
/**
|
* {@inheritDoc}
|
*/
|
public int compareTo(PendingChange o)
|
{
|
return this.getChangeNumber().compareTo(o.getChangeNumber());
|
}
|
}
|
