/*
* Copyright 2002-2017 the original author or authors.
*
* 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.springframework.data.mongodb.monitor;
import java.util.Date;
import org.bson.Document;
import org.springframework.jmx.export.annotation.ManagedMetric;
import org.springframework.jmx.export.annotation.ManagedResource;
import org.springframework.jmx.support.MetricType;
import com.mongodb.MongoClient;
/**
* JMX Metrics for Background Flushing
*
* @author Mark Pollack
*/
@ManagedResource(description = "Background Flushing Metrics")
public class BackgroundFlushingMetrics extends AbstractMonitor {
public BackgroundFlushingMetrics(MongoClient mongoClient) {
super(mongoClient);
}
@ManagedMetric(metricType = MetricType.COUNTER, displayName = "Flushes")
public int getFlushes() {
return getFlushingData("flushes", java.lang.Integer.class);
}
@ManagedMetric(metricType = MetricType.COUNTER, displayName = "Total ms", unit = "ms")
public int getTotalMs() {
return getFlushingData("total_ms", java.lang.Integer.class);
}
@ManagedMetric(metricType = MetricType.GAUGE, displayName = "Average ms", unit = "ms")
public double getAverageMs() {
return getFlushingData("average_ms", java.lang.Double.class);
}
@ManagedMetric(metricType = MetricType.GAUGE, displayName = "Last Ms", unit = "ms")
public int getLastMs() {
return getFlushingData("last_ms", java.lang.Integer.class);
}
@ManagedMetric(metricType = MetricType.GAUGE, displayName = "Last finished")
public Date getLastFinished() {
return getLast();
}
@SuppressWarnings("unchecked")
private <T> T getFlushingData(String key, Class<T> targetClass) {
Document mem = (Document) getServerStatus().get("backgroundFlushing");
return (T) mem.get(key);
}
private Date getLast() {
Document bgFlush = (Document) getServerStatus().get("backgroundFlushing");
Date lastFinished = (Date) bgFlush.get("last_finished");
return lastFinished;
}
}