/*
* Copyright 2002-2011 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 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 Memory
*
* @author Mark Pollack
*/
@ManagedResource(description = "Memory Metrics")
public class MemoryMetrics extends AbstractMonitor {
public MemoryMetrics(MongoClient mongoClient) {
super(mongoClient);
}
@ManagedMetric(metricType = MetricType.COUNTER, displayName = "Memory address size")
public int getBits() {
return getMemData("bits", java.lang.Integer.class);
}
@ManagedMetric(metricType = MetricType.GAUGE, displayName = "Resident in Physical Memory", unit = "MB")
public int getResidentSpace() {
return getMemData("resident", java.lang.Integer.class);
}
@ManagedMetric(metricType = MetricType.GAUGE, displayName = "Virtual Address Space", unit = "MB")
public int getVirtualAddressSpace() {
return getMemData("virtual", java.lang.Integer.class);
}
@ManagedMetric(metricType = MetricType.GAUGE, displayName = "Is memory info supported on this platform")
public boolean getMemoryInfoSupported() {
return getMemData("supported", java.lang.Boolean.class);
}
@ManagedMetric(metricType = MetricType.GAUGE, displayName = "Memory Mapped Space", unit = "MB")
public int getMemoryMappedSpace() {
return getMemData("mapped", java.lang.Integer.class);
}
@SuppressWarnings("unchecked")
private <T> T getMemData(String key, Class<T> targetClass) {
Document mem = (Document) getServerStatus().get("mem");
// Class c = mem.get(key).getClass();
return (T) mem.get(key);
}
}