/*******************************************************************************
*Copyright (c) 2009 Eucalyptus Systems, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
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*
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program. If not, see <http://www.gnu.org/licenses/>.
*
* Please contact Eucalyptus Systems, Inc., 130 Castilian
* Dr., Goleta, CA 93101 USA or visit <http://www.eucalyptus.com/licenses/>
* if you need additional information or have any questions.
*
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* permission notice:
*
* Software License Agreement (BSD License)
*
* Copyright (c) 2008, Regents of the University of California
* All rights reserved.
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* IT MAY INFORM DR. RICH WOLSKI AT THE UNIVERSITY OF CALIFORNIA, SANTA
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*******************************************************************************/
/*
*
* Author: chris grzegorczyk <grze@eucalyptus.com>
*/
package com.eucalyptus.ws.util;
import java.util.NoSuchElementException;
import org.apache.log4j.Logger;
import com.eucalyptus.component.Components;
import com.eucalyptus.records.EventType;
import com.eucalyptus.util.EucalyptusCloudException;
import edu.ucsb.eucalyptus.cloud.NotReadyException;
import edu.ucsb.eucalyptus.msgs.BaseMessage;
import com.eucalyptus.records.EventRecord;
import edu.ucsb.eucalyptus.msgs.WalrusRequestType;
public class RequestQueue {
private static Logger LOG = Logger.getLogger( RequestQueue.class );
private static boolean acceptable;
public BaseMessage handle( BaseMessage msg ) throws EucalyptusCloudException {
if ( msg instanceof WalrusRequestType ) {
try {
if( !Components.lookup( Components.delegate.walrus ).isRunningLocally( ) ) {
throw new NotReadyException( "walrus" );
}
} catch ( NoSuchElementException ex ) {
LOG.error( ex , ex );
throw new NotReadyException( "walrus" );
}
}
EventRecord.here( RequestQueue.class, EventType.MSG_RECEIVED, msg.getCorrelationId( ), msg.getClass( ).getSimpleName( ) ).debug( );
return msg;
}
}