/*---------------- FILE HEADER ------------------------------------------
This file is part of deegree.
Copyright (C) 2001-2005 by:
EXSE, Department of Geography, University of Bonn
http://www.giub.uni-bonn.de/exse/
lat/lon GmbH
http://www.lat-lon.de
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Contact:
Andreas Poth
lat/lon GmbH
Aennchenstraße 19
53177 Bonn
Germany
E-Mail: poth@lat-lon.de
Prof. Dr. Klaus Greve
Department of Geography
University of Bonn
Meckenheimer Allee 166
53115 Bonn
Germany
E-Mail: greve@giub.uni-bonn.de
---------------------------------------------------------------------------*/
package org.deegree.ogcwebservices.wps.execute;
import java.util.LinkedList;
import org.deegree.framework.log.ILogger;
import org.deegree.framework.log.LoggerFactory;
import org.deegree.ogcwebservices.OGCWebServiceException;
/**
* DefaultRequestQueueManager.java
*
* Created on 24.03.2006. 19:50:08h
*
* @author <a href="mailto:christian@kiehle.org">Christian Kiehle</a>
* @author <a href="mailto:christian.heier@gmx.de">Christian Heier</a>
*
* @version 1.0.
*
* @since 2.0
*/
public class DefaultRequestQueueManager implements RequestQueueManager {
private static final ILogger LOG = LoggerFactory.getLogger( DefaultRequestQueueManager.class );
private LinkedList<ExecuteRequest> requestQueue = null;
/**
*
*/
public boolean addRequestToQueue( ExecuteRequest executeRequest ) throws OGCWebServiceException {
boolean success = false;
if ( null == requestQueue ) {
requestQueue = new LinkedList<ExecuteRequest>();
}
try {
requestQueue.add( executeRequest );
success = true;
LOG.logInfo( "Request successfully added to queue!" );
} catch ( Exception e ) {
LOG.logError( "Problem while saving request to queue!" );
}
return success;
}
/**
*
*/
public ExecuteRequest getRequestFromQueue() throws OGCWebServiceException {
ExecuteRequest execRequest = null;
if ( requestQueue.size() > 0 ) {
LOG.logInfo( "SIZE vorher: " + requestQueue.size() );
execRequest = requestQueue.removeFirst();
LOG.logInfo( "SIZE nachher: " + requestQueue.size() );
}
return execRequest;
}
/**
*
*/
public int getLengthOfQueue() throws OGCWebServiceException {
int lengthOfQueue = 0;
if ( null != requestQueue ) {
lengthOfQueue = requestQueue.size();
}
return lengthOfQueue;
}
}
/* ********************************************************************
Changes to this class. What the people have been up to:
$Log: DefaultRequestQueueManager.java,v $
Revision 1.3 2006/08/24 06:42:16 poth
File header corrected
Revision 1.2 2006/07/12 14:46:18 poth
comment footer added
********************************************************************** */