| /** |
| * 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; |
| |
| /** |
| * @openwire:marshaller code="110" |
| * |
| */ |
| public class MessageId implements DataStructure, Comparable<MessageId> { |
| |
| public static final byte DATA_STRUCTURE_TYPE = CommandTypes.MESSAGE_ID; |
| |
| protected ProducerId producerId; |
| protected long producerSequenceId; |
| protected long brokerSequenceId; |
| |
| private transient String key; |
| private transient int hashCode; |
| |
| public MessageId() { |
| this.producerId = new ProducerId(); |
| } |
| |
| public MessageId(ProducerInfo producerInfo, long producerSequenceId) { |
| this.producerId = producerInfo.getProducerId(); |
| this.producerSequenceId = producerSequenceId; |
| } |
| |
| public MessageId(String messageKey) { |
| setValue(messageKey); |
| } |
| |
| public MessageId(String producerId, long producerSequenceId) { |
| this(new ProducerId(producerId), producerSequenceId); |
| } |
| |
| public MessageId(ProducerId producerId, long producerSequenceId) { |
| this.producerId = producerId; |
| this.producerSequenceId = producerSequenceId; |
| } |
| |
| /** |
| * Sets the value as a String |
| */ |
| public void setValue(String messageKey) { |
| key = messageKey; |
| // Parse off the sequenceId |
| int p = messageKey.lastIndexOf(":"); |
| if (p >= 0) { |
| producerSequenceId = Long.parseLong(messageKey.substring(p + 1)); |
| messageKey = messageKey.substring(0, p); |
| } |
| producerId = new ProducerId(messageKey); |
| } |
| |
| /** |
| * Sets the transient text view of the message which will be ignored if the |
| * message is marshaled on a transport; so is only for in-JVM changes to |
| * accommodate foreign JMS message IDs |
| */ |
| public void setTextView(String key) { |
| this.key = key; |
| } |
| |
| public byte getDataStructureType() { |
| return DATA_STRUCTURE_TYPE; |
| } |
| |
| public boolean equals(Object o) { |
| if (this == o) { |
| return true; |
| } |
| if (o == null || o.getClass() != getClass()) { |
| return false; |
| } |
| |
| MessageId id = (MessageId)o; |
| return producerSequenceId == id.producerSequenceId && producerId.equals(id.producerId); |
| } |
| |
| public int hashCode() { |
| if (hashCode == 0) { |
| hashCode = producerId.hashCode() ^ (int)producerSequenceId; |
| } |
| return hashCode; |
| } |
| |
| public String toString() { |
| if (key == null) { |
| key = producerId.toString() + ":" + producerSequenceId; |
| } |
| return key; |
| } |
| |
| /** |
| * @openwire:property version=1 cache=true |
| */ |
| public ProducerId getProducerId() { |
| return producerId; |
| } |
| |
| public void setProducerId(ProducerId producerId) { |
| this.producerId = producerId; |
| } |
| |
| /** |
| * @openwire:property version=1 |
| */ |
| public long getProducerSequenceId() { |
| return producerSequenceId; |
| } |
| |
| public void setProducerSequenceId(long producerSequenceId) { |
| this.producerSequenceId = producerSequenceId; |
| } |
| |
| /** |
| * @openwire:property version=1 |
| */ |
| public long getBrokerSequenceId() { |
| return brokerSequenceId; |
| } |
| |
| public void setBrokerSequenceId(long brokerSequenceId) { |
| this.brokerSequenceId = brokerSequenceId; |
| } |
| |
| public boolean isMarshallAware() { |
| return false; |
| } |
| |
| public MessageId copy() { |
| MessageId copy = new MessageId(producerId, producerSequenceId); |
| copy.key = key; |
| copy.brokerSequenceId = brokerSequenceId; |
| return copy; |
| } |
| |
| /** |
| * @param o |
| * @return |
| * @see java.lang.Comparable#compareTo(java.lang.Object) |
| */ |
| public int compareTo(MessageId other) { |
| int result = -1; |
| if (other != null) { |
| result = this.toString().compareTo(other.toString()); |
| } |
| return result; |
| } |
| } |