/*
* The Apache Software License, Version 1.1
*
*
* Copyright (c) 2001 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution,
* if any, must include the following acknowledgment:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowledgment may appear in the software itself,
* if and wherever such third-party acknowledgments normally appear.
*
* 4. The names "Axis" and "Apache Software Foundation" must
* not be used to endorse or promote products derived from this
* software without prior written permission. For written
* permission, please contact apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache",
* nor may "Apache" appear in their name, without prior written
* permission of the Apache Software Foundation.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*/
package org.apache.axis.ime.internal;
import org.apache.axis.MessageContext;
import org.apache.axis.components.logger.LogFactory;
import org.apache.axis.ime.MessageExchangeCorrelator;
import org.apache.axis.ime.MessageExchangeEventListener;
import org.apache.axis.ime.event.MessageFaultEvent;
import org.apache.axis.ime.event.MessageReceiveEvent;
import org.apache.axis.ime.internal.util.KeyedBuffer;
import org.apache.commons.logging.Log;
/**
* @author James M Snell (jasnell@us.ibm.com)
* @author Ray Chun (rchun@sonicsoftware.com)
*/
public class FirstComeFirstServeDispatchPolicy
implements ReceivedMessageDispatchPolicy {
protected static Log log =
LogFactory.getLog(FirstComeFirstServeDispatchPolicy.class.getName());
protected KeyedBuffer RECEIVE_REQUESTS;
protected KeyedBuffer RECEIVE;
public FirstComeFirstServeDispatchPolicy(
KeyedBuffer RECEIVE,
KeyedBuffer RECEIVE_REQUESTS) {
this.RECEIVE = RECEIVE;
this.RECEIVE_REQUESTS = RECEIVE_REQUESTS;
}
public void dispatch(
MessageExchangeSendContext context) {
if (log.isDebugEnabled()) {
log.debug("Enter: FirstComeFirstServeDispatchPolicy::dispatch");
}
// 1. Get the correlator
// 2. See if there are any receive requests based on the correlator
// 3. If there are receive requests for the correlator, deliver to the first one
// 4. If there are no receive requests for the correlator, deliver to the first "anonymous" receive request
// 5. If there are no receive requests, put the message back on the Queue
MessageExchangeReceiveContext receiveContext = null;
MessageExchangeCorrelator correlator =
context.getMessageExchangeCorrelator();
receiveContext = (MessageExchangeReceiveContext)RECEIVE_REQUESTS.get(correlator);
if (receiveContext == null) {
receiveContext = (MessageExchangeReceiveContext)RECEIVE_REQUESTS.get(SimpleMessageExchangeCorrelator.NULL_CORRELATOR);
}
if (receiveContext == null)
RECEIVE.put(correlator,context);
else {
MessageExchangeEventListener eventListener =
receiveContext.getMessageExchangeEventListener();
MessageContext msgContext =
context.getMessageContext();
try {
MessageReceiveEvent receiveEvent =
new org.apache.axis.ime.event.MessageReceiveEvent(
correlator,
receiveContext,
context.getMessageContext());
eventListener.onEvent(receiveEvent);
} catch (Exception exception) {
if (eventListener != null) {
MessageFaultEvent faultEvent = new MessageFaultEvent(
correlator,
exception);
eventListener.onEvent(faultEvent);
}
}
}
if (log.isDebugEnabled()) {
log.debug("Exit: FirstComeFirstServeDispatchPolicy::dispatch");
}
}
}