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/*
* Copyright 2012 Metamarkets Group Inc.
*
* 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.metamx.metrics;
import com.metamx.emitter.service.ServiceEmitter;
/**
*/
public abstract class AbstractMonitor implements Monitor
{
private volatile boolean started = false;
public void start()
{
started = true;
}
public void stop()
{
started = false;
}
@Override
public boolean monitor(ServiceEmitter emitter)
{
if (started) {
return doMonitor(emitter);
}
return false;
}
public abstract boolean doMonitor(ServiceEmitter emitter);
}