/*
* Copyright 2010 Outerthought bvba
*
* 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 org.lilyproject.tools.mboximport;
import javax.management.ObjectName;
import org.apache.hadoop.metrics.MetricsContext;
import org.apache.hadoop.metrics.MetricsRecord;
import org.apache.hadoop.metrics.MetricsUtil;
import org.apache.hadoop.metrics.Updater;
import org.apache.hadoop.metrics.util.MetricsBase;
import org.apache.hadoop.metrics.util.MetricsRegistry;
import org.apache.hadoop.metrics.util.MetricsTimeVaryingRate;
import org.lilyproject.util.hbase.metrics.MBeanUtil;
import org.lilyproject.util.hbase.metrics.MetricsDynamicMBeanBase;
public class MboxMetrics implements Updater {
private final MetricsRegistry registry = new MetricsRegistry();
private final MetricsRecord metricsRecord;
private final MetricsContext context;
public final MetricsTimeVaryingRate messages = new MetricsTimeVaryingRate("messages", registry);
public final MetricsTimeVaryingRate parts = new MetricsTimeVaryingRate("parts", registry);
public final MetricsTimeVaryingRate blobs = new MetricsTimeVaryingRate("blobs", registry);
private final MboxMetricsMBean mbean;
public MboxMetrics(String recordName) {
context = MetricsUtil.getContext("mbox");
metricsRecord = MetricsUtil.createRecord(context, recordName);
context.registerUpdater(this);
mbean = new MboxMetricsMBean(this.registry);
}
public void shutdown() {
context.unregisterUpdater(this);
mbean.shutdown();
}
@Override
public void doUpdates(MetricsContext unused) {
synchronized (this) {
for (MetricsBase m : registry.getMetricsList()) {
m.pushMetric(metricsRecord);
}
}
metricsRecord.update();
}
public class MboxMetricsMBean extends MetricsDynamicMBeanBase {
private final ObjectName mbeanName;
public MboxMetricsMBean(MetricsRegistry registry) {
super(registry, "Lily mbox import");
mbeanName = MBeanUtil.registerMBean("mbox import", "Metrics", this);
}
public void shutdown() {
if (mbeanName != null) {
MBeanUtil.unregisterMBean(mbeanName);
}
}
}
}