org.apache.activemq.command.ProducerAck Maven / Gradle / Ivy
/**
* 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.command;
import org.apache.activemq.state.CommandVisitor;
/**
* A ProducerAck command is sent by a broker to a producer to let it know it has
* received and processed messages that it has produced. The producer will be
* flow controlled if it does not receive ProducerAck commands back from the
* broker.
*
* @openwire:marshaller code="19" version="3"
*
*/
public class ProducerAck extends BaseCommand {
public static final byte DATA_STRUCTURE_TYPE = CommandTypes.PRODUCER_ACK;
protected ProducerId producerId;
protected int size;
public ProducerAck() {
}
public ProducerAck(ProducerId producerId, int size) {
this.producerId = producerId;
this.size = size;
}
public void copy(ProducerAck copy) {
super.copy(copy);
copy.producerId = producerId;
copy.size = size;
}
public byte getDataStructureType() {
return DATA_STRUCTURE_TYPE;
}
public Response visit(CommandVisitor visitor) throws Exception {
return visitor.processProducerAck(this);
}
/**
* The producer id that this ack message is destined for.
*
* @openwire:property version=3
*/
public ProducerId getProducerId() {
return producerId;
}
public void setProducerId(ProducerId producerId) {
this.producerId = producerId;
}
/**
* The number of bytes that are being acked.
*
* @openwire:property version=3
*/
public int getSize() {
return size;
}
public void setSize(int size) {
this.size = size;
}
}