| /** |
| * 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 org.apache.activemq.broker; |
| |
| import org.apache.activemq.broker.region.Destination; |
| import org.apache.activemq.broker.region.Region; |
| import org.apache.activemq.command.Message; |
| import org.apache.activemq.state.ProducerState; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * Holds internal state in the broker for a MessageProducer |
| * |
| * |
| */ |
| public class ProducerBrokerExchange { |
| |
| private static final Logger LOG = LoggerFactory.getLogger(ProducerBrokerExchange.class); |
| private ConnectionContext connectionContext; |
| private Destination regionDestination; |
| private Region region; |
| private ProducerState producerState; |
| private boolean mutable = true; |
| private long lastSendSequenceNumber = -1; |
| |
| public ProducerBrokerExchange() { |
| } |
| |
| public ProducerBrokerExchange copy() { |
| ProducerBrokerExchange rc = new ProducerBrokerExchange(); |
| rc.connectionContext = connectionContext.copy(); |
| rc.regionDestination = regionDestination; |
| rc.region = region; |
| rc.producerState = producerState; |
| rc.mutable = mutable; |
| return rc; |
| } |
| |
| |
| /** |
| * @return the connectionContext |
| */ |
| public ConnectionContext getConnectionContext() { |
| return this.connectionContext; |
| } |
| |
| /** |
| * @param connectionContext the connectionContext to set |
| */ |
| public void setConnectionContext(ConnectionContext connectionContext) { |
| this.connectionContext = connectionContext; |
| } |
| |
| /** |
| * @return the mutable |
| */ |
| public boolean isMutable() { |
| return this.mutable; |
| } |
| |
| /** |
| * @param mutable the mutable to set |
| */ |
| public void setMutable(boolean mutable) { |
| this.mutable = mutable; |
| } |
| |
| /** |
| * @return the regionDestination |
| */ |
| public Destination getRegionDestination() { |
| return this.regionDestination; |
| } |
| |
| /** |
| * @param regionDestination the regionDestination to set |
| */ |
| public void setRegionDestination(Destination regionDestination) { |
| this.regionDestination = regionDestination; |
| } |
| |
| /** |
| * @return the region |
| */ |
| public Region getRegion() { |
| return this.region; |
| } |
| |
| /** |
| * @param region the region to set |
| */ |
| public void setRegion(Region region) { |
| this.region = region; |
| } |
| |
| /** |
| * @return the producerState |
| */ |
| public ProducerState getProducerState() { |
| return this.producerState; |
| } |
| |
| /** |
| * @param producerState the producerState to set |
| */ |
| public void setProducerState(ProducerState producerState) { |
| this.producerState = producerState; |
| } |
| |
| /** |
| * Enforce duplicate suppression using info from persistence adapter |
| * @param messageSend |
| * @return false if message should be ignored as a duplicate |
| */ |
| public boolean canDispatch(Message messageSend) { |
| boolean canDispatch = true; |
| if (lastSendSequenceNumber > 0) { |
| if (messageSend.getMessageId().getProducerSequenceId() <= lastSendSequenceNumber) { |
| canDispatch = false; |
| LOG.debug("suppressing duplicate message send [" + messageSend.getMessageId() + "] with producerSequenceId [" |
| + messageSend.getMessageId().getProducerSequenceId() + "] less than last stored: " + lastSendSequenceNumber); |
| } |
| } |
| return canDispatch; |
| } |
| |
| public void setLastStoredSequenceId(long l) { |
| lastSendSequenceNumber = l; |
| LOG.debug("last stored sequence id set: " + l); |
| } |
| } |