/**
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package io.hawtjms.jms;
import io.hawtjms.jms.message.JmsMessageTransformation;
import io.hawtjms.jms.meta.JmsProducerId;
import io.hawtjms.jms.meta.JmsProducerInfo;
import io.hawtjms.provider.BlockingProvider;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.concurrent.atomic.AtomicLong;
import javax.jms.DeliveryMode;
import javax.jms.Destination;
import javax.jms.IllegalStateException;
import javax.jms.InvalidDestinationException;
import javax.jms.JMSException;
import javax.jms.Message;
import javax.jms.MessageProducer;
/**
* Implementation of a Jms MessageProducer
*/
public class JmsMessageProducer implements MessageProducer {
protected final JmsSession session;
protected final JmsConnection connection;
protected JmsProducerInfo producerInfo;
protected final boolean flexibleDestination;
protected int deliveryMode = DeliveryMode.PERSISTENT;
protected int priority = Message.DEFAULT_PRIORITY;
protected long timeToLive = Message.DEFAULT_TIME_TO_LIVE;
protected final AtomicBoolean closed = new AtomicBoolean();
protected boolean disableMessageId;
protected boolean disableTimestamp;
protected final AtomicLong messageSequence = new AtomicLong();
protected JmsMessageProducer(JmsProducerId producerId, JmsSession session, JmsDestination destination) throws JMSException {
this.session = session;
this.connection = session.getConnection();
this.flexibleDestination = destination == null;
this.producerInfo = new JmsProducerInfo(producerId);
this.producerInfo.setDestination(destination);
this.producerInfo = session.getConnection().createResource(producerInfo);
}
/**
* Close the producer
*
* @throws JMSException
*
* @see javax.jms.MessageProducer#close()
*/
@Override
public void close() throws JMSException {
if (!closed.get()) {
doClose();
}
}
/**
* Called to initiate shutdown of Producer resources and request that the remote
* peer remove the registered producer.
*
* @throws JMSException
*/
protected void doClose() throws JMSException {
shutdown();
this.connection.destroyResource(producerInfo);
}
/**
* Called to release all producer resources without requiring a destroy request
* to be sent to the remote peer. This is most commonly needed when the parent
* Session is closing.
*
* @throws JMSException
*/
protected void shutdown() throws JMSException {
if (closed.compareAndSet(false, true)) {
this.session.remove(this);
}
}
/**
* @return the delivery mode
* @throws JMSException
* @see javax.jms.MessageProducer#getDeliveryMode()
*/
@Override
public int getDeliveryMode() throws JMSException {
checkClosed();
return this.deliveryMode;
}
/**
* @return the destination
* @throws JMSException
* @see javax.jms.MessageProducer#getDestination()
*/
@Override
public Destination getDestination() throws JMSException {
checkClosed();
return this.producerInfo.getDestination();
}
/**
* @return true if disableIds is set
* @throws JMSException
* @see javax.jms.MessageProducer#getDisableMessageID()
*/
@Override
public boolean getDisableMessageID() throws JMSException {
checkClosed();
return this.disableMessageId;
}
/**
* @return true if disable timestamp is set
* @throws JMSException
* @see javax.jms.MessageProducer#getDisableMessageTimestamp()
*/
@Override
public boolean getDisableMessageTimestamp() throws JMSException {
checkClosed();
return this.disableTimestamp;
}
/**
* @return the priority
* @throws JMSException
* @see javax.jms.MessageProducer#getPriority()
*/
@Override
public int getPriority() throws JMSException {
checkClosed();
return this.priority;
}
/**
* @return timeToLive
* @throws JMSException
* @see javax.jms.MessageProducer#getTimeToLive()
*/
@Override
public long getTimeToLive() throws JMSException {
checkClosed();
return this.timeToLive;
}
/**
* @param message
* @throws JMSException
* @see javax.jms.MessageProducer#send(javax.jms.Message)
*/
@Override
public void send(Message message) throws JMSException {
send(producerInfo.getDestination(), message, this.deliveryMode, this.priority, this.timeToLive);
}
/**
* @param destination
* @param message
* @throws JMSException
* @see javax.jms.MessageProducer#send(javax.jms.Destination,
* javax.jms.Message)
*/
@Override
public void send(Destination destination, Message message) throws JMSException {
send(destination, message, this.deliveryMode, this.priority, this.timeToLive);
}
/**
* @param message
* @param deliveryMode
* @param priority
* @param timeToLive
* @throws JMSException
* @see javax.jms.MessageProducer#send(javax.jms.Message, int, int, long)
*/
@Override
public void send(Message message, int deliveryMode, int priority, long timeToLive) throws JMSException {
send(producerInfo.getDestination(), message, deliveryMode, priority, timeToLive);
}
/**
* @param destination
* @param message
* @param deliveryMode
* @param priority
* @param timeToLive
* @throws JMSException
* @see javax.jms.MessageProducer#send(javax.jms.Destination,
* javax.jms.Message, int, int, long)
*/
@Override
public void send(Destination destination, Message message, int deliveryMode, int priority, long timeToLive) throws JMSException {
checkClosed();
if (destination == null) {
throw new InvalidDestinationException("Don't understand null destinations");
}
if (!this.flexibleDestination && !destination.equals(producerInfo.getDestination())) {
throw new UnsupportedOperationException("This producer can only send messages to: " + producerInfo.getDestination().getName());
}
this.session.send(this, destination, message, deliveryMode, priority, timeToLive, disableMessageId);
}
/**
* @param deliveryMode
* @throws JMSException
* @see javax.jms.MessageProducer#setDeliveryMode(int)
*/
@Override
public void setDeliveryMode(int deliveryMode) throws JMSException {
checkClosed();
this.deliveryMode = deliveryMode;
}
/**
* @param value
* @throws JMSException
* @see javax.jms.MessageProducer#setDisableMessageID(boolean)
*/
@Override
public void setDisableMessageID(boolean value) throws JMSException {
checkClosed();
this.disableMessageId = value;
}
/**
* @param value
* @throws JMSException
* @see javax.jms.MessageProducer#setDisableMessageTimestamp(boolean)
*/
@Override
public void setDisableMessageTimestamp(boolean value) throws JMSException {
checkClosed();
this.disableTimestamp = value;
}
/**
* @param defaultPriority
* @throws JMSException
* @see javax.jms.MessageProducer#setPriority(int)
*/
@Override
public void setPriority(int defaultPriority) throws JMSException {
checkClosed();
this.priority = defaultPriority;
}
/**
* @param timeToLive
* @throws JMSException
* @see javax.jms.MessageProducer#setTimeToLive(long)
*/
@Override
public void setTimeToLive(long timeToLive) throws JMSException {
checkClosed();
this.timeToLive = timeToLive;
}
/**
* @param destination
* the destination to set
* @throws JMSException
* @throws InvalidDestinationException
*/
public void setDestination(Destination destination) throws JMSException {
if (destination == null) {
throw new InvalidDestinationException("Don't understand null destinations");
}
if (!this.flexibleDestination && !destination.equals(producerInfo.getDestination())) {
throw new UnsupportedOperationException("This producer can only send messages to: " + producerInfo.getDestination().getName());
}
producerInfo.setDestination(JmsMessageTransformation.transformDestination(session.getConnection(), destination));
}
/**
* @return the producer's assigned JmsProducerId.
*/
protected JmsProducerId getProducerId() {
return this.producerInfo.getProducerId();
}
/**
* @return the next logical sequence for a Message sent from this Producer.
*/
protected long getNextMessageSequence() {
return this.messageSequence.incrementAndGet();
}
protected void checkClosed() throws IllegalStateException {
if (closed.get()) {
throw new IllegalStateException("The MessageProducer is closed");
}
}
////////////////////////////////////////////////////////////////////////////
// Connection interruption handlers.
////////////////////////////////////////////////////////////////////////////
protected void onConnectionInterrupted() {
}
protected void onConnectionRecovery(BlockingProvider provider) throws Exception{
provider.create(producerInfo);
}
protected void onConnectionRecovered(BlockingProvider provider) throws Exception{
}
protected void onConnectionRestored() {
}
}