/*
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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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* Copyright 2009 Sun Microsystems, Inc.
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*/
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package org.opends.server.replication.server;
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import java.util.Iterator;
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import org.opends.server.replication.common.ExternalChangeLogSession;
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import org.opends.server.replication.common.MultiDomainServerState;
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import org.opends.server.replication.protocol.ECLUpdateMsg;
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import org.opends.server.replication.protocol.StartECLSessionMsg;
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import org.opends.server.types.DirectoryException;
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import org.opends.server.util.ServerConstants;
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/**
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* This interface defines a session used to search the external changelog
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* in the Directory Server.
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*/
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public class ExternalChangeLogSessionImpl
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implements ExternalChangeLogSession
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{
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ECLServerHandler handler;
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ReplicationServer rs;
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/**
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* Create a new external changelog session.
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* @param rs The replication server to which we will request the log.
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* @throws DirectoryException When an error occurs.
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*/
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public ExternalChangeLogSessionImpl(ReplicationServer rs)
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throws DirectoryException
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{
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this.rs = rs;
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}
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/**
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* Create a new external changelog session.
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* @param rs The replication server to which we will request the log.
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* @param startECLSessionMsg The start session message containing the
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* details of the search request on the ECL.
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* @throws DirectoryException When an error occurs.
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*/
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public ExternalChangeLogSessionImpl(
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ReplicationServer rs,
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StartECLSessionMsg startECLSessionMsg)
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throws DirectoryException
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{
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this.rs = rs;
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this.handler = new ECLServerHandler(
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rs.getServerURL(),
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rs.getServerId(),
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rs,
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startECLSessionMsg);
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}
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/**
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* Returns the next message available for the ECL (blocking)
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* null when none.
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* @return the next available message from the ECL.
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* @throws DirectoryException when needed.
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*/
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public ECLUpdateMsg getNextUpdate()
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throws DirectoryException
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{
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return handler.getnextUpdate();
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}
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/**
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* Close the session.
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*/
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public void close()
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{
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handler.getDomain().stopServer(handler);
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}
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/**
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* Returns the last (newest) cookie value.
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* @return the last cookie value.
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*/
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public MultiDomainServerState getLastCookie()
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{
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MultiDomainServerState result = new MultiDomainServerState();
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// Initialize start state for all running domains with empty state
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Iterator<ReplicationServerDomain> rsdk = this.rs.getCacheIterator();
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if (rsdk != null)
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{
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while (rsdk.hasNext())
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{
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// process a domain
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ReplicationServerDomain rsd = rsdk.next();
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if (rsd.getBaseDn().compareToIgnoreCase(
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ServerConstants.DN_EXTERNAL_CHANGELOG_ROOT)==0)
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continue;
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result.update(rsd.getBaseDn(), rsd.getCLElligibleState());
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}
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}
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return result;
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}
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}
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