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The core JMS Client implementation
/*
* 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.qpid.jms;
import javax.jms.JMSException;
import org.apache.qpid.jms.meta.JmsAbstractResourceId;
import org.apache.qpid.jms.meta.JmsResource;
import org.apache.qpid.jms.meta.JmsResourceId;
import org.apache.qpid.jms.meta.JmsResourceVistor;
/**
* Temporary Destination Object
*/
public abstract class JmsTemporaryDestination extends JmsDestination implements JmsResource {
private boolean deleted;
private JmsTemporaryDestinationId resourceId;
private ResourceState state = ResourceState.INITIALIZED;
public JmsTemporaryDestination() {
this(null, false);
}
public JmsTemporaryDestination(String name, boolean topic) {
super(name, topic, true);
}
@Override
public JmsResourceId getId() {
if (resourceId == null) {
resourceId = new JmsTemporaryDestinationId();
}
return resourceId;
}
@Override
public ResourceState getState() {
return state;
}
@Override
public void setState(ResourceState state) {
this.state = state;
}
void setConnection(JmsConnection connection) {
this.connection = connection;
}
JmsConnection getConnection() {
return this.connection;
}
/**
* Attempts to delete the destination if there is an assigned Connection object.
*
* @throws JMSException if an error occurs or the provider doesn't support
* delete of destinations from the client.
*/
protected void tryDelete() throws JMSException {
if (connection != null) {
connection.deleteTemporaryDestination(this);
}
deleted = true;
}
protected boolean isDeleted() throws JMSException {
boolean result = deleted;
if (!result && connection != null) {
result = connection.isTemporaryDestinationDeleted(this);
}
return result;
}
@Override
public void visit(JmsResourceVistor visitor) throws Exception {
visitor.processDestination(this);
}
private class JmsTemporaryDestinationId extends JmsAbstractResourceId implements Comparable {
public String getDestinationName() {
return getAddress();
}
@Override
public int compareTo(JmsTemporaryDestinationId otherId) {
return getDestinationName().compareTo(otherId.getDestinationName());
}
}
}
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