/*
* Copyright (c) 2008-2012, Hazel Bilisim Ltd. 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.core.ISemaphore;
/**
* MBean for ISemaphore
*/
@JMXDescription("A distributed Semaphore")
public class SemaphoreMBean extends AbstractMBean<ISemaphore> {
public SemaphoreMBean(ISemaphore managedObject, ManagementService managementService) {
super(managedObject, managementService);
}
@Override
public ObjectNameSpec getNameSpec() {
return getParentName().getNested("Semaphore", getName());
}
@JMXAttribute("CurrentPermits")
@JMXDescription("availablePermits() result")
public long getCurrentPermits() {
return available();
}
@JMXAttribute("Name")
@JMXDescription("Instance name of the Semaphore")
public String getName() {
return getManagedObject().getName();
}
@JMXOperation("available")
@JMXDescription("number of permits immediately available")
public int available() {
return getManagedObject().availablePermits();
}
@JMXOperation("drain")
@JMXDescription("acquire and return all permits immediately available")
public int drain() {
return getManagedObject().drainPermits();
}
@JMXOperation("reduce")
@JMXDescription("reduce the number of permits available")
public void reduce(int reduction) {
getManagedObject().reducePermits(reduction);
}
@JMXOperation("release")
@JMXDescription("increase the number of permits available")
public void release(int permits) {
getManagedObject().release(permits);
}
}