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package org.glassfish.jersey.tests.performance.jmxclient;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.Properties;
import javax.management.MBeanServerConnection;
import javax.management.ObjectName;
import javax.management.remote.JMXConnector;
import javax.management.remote.JMXConnectorFactory;
import javax.management.remote.JMXServiceURL;
/**
* JMX Client entry point.
*
* @author Jakub Podlesak (jakub.podlesak at oracle.com)
*/
public class Main {
public static void main(String[] args) throws Exception {
// e.g. "service:jmx:rmi:///jndi/rmi://sysifos.cz.oracle.com:11112/jmxrmi"
final String jmxUrl = args[0];
// e.g. "org.glassfish.jersey.test.performance.interceptor.dynamic:type=DynamicallyBoundInterceptorResource,name=gets"
final String mBeanName = args[1];
// e.g. "OneMinuteRate"
final String mBeanAttrName = args[2];
// e.g. 50
final int sampleCount = Integer.parseInt(args[3]);
// e.g. "phishing.properties"
final String propertiesFile = args[4];
System.out.printf("JMX URL = %s\nMBean = %s\nattribute = %s\nsamples = %d\nfilename = %s\n"
+ "Going to connect...\n",
jmxUrl, mBeanName, mBeanAttrName, sampleCount, propertiesFile);
final JMXServiceURL url = new JMXServiceURL(jmxUrl);
final JMXConnector jmxc = JMXConnectorFactory.connect(url, null);
final MBeanServerConnection mBeanServer = jmxc.getMBeanServerConnection();
final ObjectName mBeanObjectName = new ObjectName(mBeanName);
System.out.println("Connected...");
double totalSum = 0;
int samplesTaken = 0;
for (int i = 0; i < sampleCount; i++) {
Thread.sleep(5000);
Double sample = (Double) mBeanServer.getAttribute(mBeanObjectName, mBeanAttrName);
System.out.printf("OMR[%d]=%f\n", i, sample);
totalSum += sample;
samplesTaken++;
}
jmxc.close();
final double result = totalSum / samplesTaken;
writeResult(result, propertiesFile);
System.out.printf("\nAverage=%f\n", result);
}
private static void writeResult(double resultValue, String propertiesFile) throws IOException {
Properties resultProps = new Properties();
resultProps.put("YVALUE", Double.toString(resultValue));
resultProps.store(new FileOutputStream(propertiesFile), null);
}
}