/*
* Copyright (c) 2008-2013, Hazelcast, Inc. All Rights Reserved.
*
* Licensed 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 com.hazelcast.jmx;
import com.hazelcast.config.Config;
import com.hazelcast.config.TopicConfig;
import com.hazelcast.core.ITopic;
import com.hazelcast.core.Message;
import com.hazelcast.core.MessageListener;
import java.util.concurrent.atomic.AtomicLong;
@ManagedDescription("ITopic")
public class TopicMBean extends HazelcastMBean<ITopic> {
private final AtomicLong totalMessageCount = new AtomicLong();
private final String registrationId;
protected TopicMBean(ITopic managedObject, ManagementService service) {
super(managedObject, service);
objectName = service.createObjectName("ITopic", managedObject.getName());
//can't we rely on the statics functionality of the topic instead of relying on the event system?
MessageListener messageListener = new MessageListener() {
public void onMessage(Message message) {
totalMessageCount.incrementAndGet();
}
};
registrationId = managedObject.addMessageListener(messageListener);
}
@ManagedAnnotation("localCreationTime")
@ManagedDescription("the creation time of this topic on this member")
public long getLocalCreationTime(){
return managedObject.getLocalTopicStats().getCreationTime();
}
@ManagedAnnotation("localPublishOperationCount")
@ManagedDescription(" the total number of published messages of this topic on this member")
public long getLocalPublishOperationCount(){
return managedObject.getLocalTopicStats().getPublishOperationCount();
}
@ManagedAnnotation("localReceiveOperationCount")
@ManagedDescription("the total number of received messages of this topic on this member")
public long getLocalReceiveOperationCount(){
return managedObject.getLocalTopicStats().getReceiveOperationCount();
}
@ManagedAnnotation("name")
@ManagedDescription("Name of the DistributedObject")
public String getName() {
return managedObject.getName();
}
@ManagedAnnotation("totalMessageCount")
public long getTotalMessageCount() {
return totalMessageCount.get();
}
@ManagedAnnotation("config")
public String getConfig() {
Config config = service.instance.getConfig();
TopicConfig topicConfig = config.findTopicConfig(managedObject.getName());
return topicConfig.toString();
}
@Override
public void preDeregister() throws Exception {
super.preDeregister();
try {
managedObject.removeMessageListener(registrationId);
} catch (Exception ignored) {
}
}
}