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/*
* ApplicationInsights-Java
* Copyright (c) Microsoft Corporation
* All rights reserved.
*
* MIT License
* Permission is hereby granted, free of charge, to any person obtaining a copy of this
* software and associated documentation files (the ""Software""), to deal in the Software
* without restriction, including without limitation the rights to use, copy, modify, merge,
* publish, distribute, sublicense, and/or sell copies of the Software, and to permit
* persons to whom the Software is furnished to do so, subject to the following conditions:
* The above copyright notice and this permission notice shall be included in all copies or
* substantial portions of the Software.
* THE SOFTWARE IS PROVIDED *AS IS*, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
* PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
* FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
package com.microsoft.applicationinsights.internal.perfcounter;
import java.util.Collection;
import java.util.Map;
import com.microsoft.applicationinsights.TelemetryClient;
import com.microsoft.applicationinsights.internal.jmx.JmxAttributeData;
import com.microsoft.applicationinsights.internal.jmx.JmxDataFetcher;
import com.microsoft.applicationinsights.internal.logger.InternalLogger;
import org.apache.commons.lang3.exception.ExceptionUtils;
/**
* The class is a base class for JMX performance counters.
* It knows how to fetch the needed information from JMX and then relies on its derived classes to send the data.
*
* Created by gupele on 3/15/2015.
*/
public abstract class AbstractJmxPerformanceCounter implements PerformanceCounter {
private final String id;
private final String objectName;
private final Collection attributes;
private boolean relevant = true;
private boolean firstTime = true;
@Override
public String getId() {
return id;
}
/**
* The main method. The method will fetch the data and send it.
* The method will not do anything if there was a major problem accessing the needed counter.
* @param telemetryClient The telemetry client to send events.
*/
@Override
public synchronized void report(TelemetryClient telemetryClient) {
if (!relevant) {
return;
}
try {
Map> result =
JmxDataFetcher.fetch(objectName, attributes);
for (Map.Entry> displayAndValues : result.entrySet()) {
boolean ok = true;
double value = 0.0;
for (Object obj : displayAndValues.getValue()) {
try {
value += Double.parseDouble(String.valueOf(obj));
} catch (Exception e) {
ok = false;
break;
}
}
if (ok) {
try {
send(telemetryClient, displayAndValues.getKey(), value);
} catch (Exception e) {
InternalLogger.INSTANCE.error("Error while sending JMX data: '%s'", e.toString());
InternalLogger.INSTANCE.trace("Stack trace generated is %s", ExceptionUtils.getStackTrace(e));
}
}
}
} catch (Exception e) {
if (firstTime) {
InternalLogger.INSTANCE.error("Error while fetching JMX data: '%s', The PC will be ignored", e.toString());
InternalLogger.INSTANCE.trace("Stack trace generated is %s", ExceptionUtils.getStackTrace(e));
relevant = false;
} else {
InternalLogger.INSTANCE.error("Error while fetching JMX data: '%s'", e.toString());
InternalLogger.INSTANCE.trace("Stack trace generated is %s", ExceptionUtils.getStackTrace(e));
}
} finally {
firstTime = false;
}
}
protected AbstractJmxPerformanceCounter(String id, String objectName, Collection attributes) {
this.id = id;
this.objectName = objectName;
this.attributes = attributes;
}
protected abstract void send(TelemetryClient telemetryClient, String displayName, double value);
}