org.eclipse.jetty.monitor.integration

Class JavaMonitorTools

java.lang.Object

org.eclipse.jetty.monitor.integration.JavaMonitorTools

@ManagedObject(value="Java Monitoring Tools")
public class JavaMonitorTools
extends Object

Derived from the JMX bean classes created by Kees Jan Koster for the java-monitor J2EE probe http://code.google.com/p/java-monitor-probes/source/browse/.

Author:

Kees Jan Koster

Constructor Summary

Constructors

Constructor and Description
JavaMonitorTools()

Method Summary

Modifier and Type	Method and Description
int	getCacheNegativeSeconds()
String	getCacheNegativeTweakedFrom()
int	getCacheSeconds()
String	getCacheTweakedFrom()
String	getDeadlockStacktraces()
int	getThreadsBlocked()
int	getThreadsNew()
int	getThreadsRunnable()
int	getThreadsTerminated()
int	getThreadsTimedWaiting()
int	getThreadsWaiting()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

JavaMonitorTools

public JavaMonitorTools()

Method Detail

getDeadlockStacktraces

@ManagedOperation(value="Detailed report on the deadlocked threads.",
                  impact="ACTION_INFO")
public String getDeadlockStacktraces()

getThreadsBlocked

@ManagedOperation(value="Number of Blocked Threads")
public int getThreadsBlocked()

getThreadsNew

@ManagedOperation(value="Number of New Threads",
                  impact="ACTION_INFO")
public int getThreadsNew()

getThreadsTerminated

@ManagedOperation(value="Number of Terminated Threads",
                  impact="ACTION_INFO")
public int getThreadsTerminated()

getThreadsTimedWaiting

@ManagedOperation(value="Number of Sleeping and Waiting threads")
public int getThreadsTimedWaiting()

getThreadsWaiting

@ManagedOperation(value="Number of Waiting Threads",
                  impact="ACTION_INFO")
public int getThreadsWaiting()

getThreadsRunnable

@ManagedOperation(value="Number of Runnable Threads",
                  impact="ACTION_INFO")
public int getThreadsRunnable()

getCacheSeconds

@ManagedOperation(value="Amount of time successful DNS queries are cached for.")
public int getCacheSeconds()
                                                                                                     throws ClassNotFoundException,
                                                                                                            IllegalAccessException,
                                                                                                            InvocationTargetException,
                                                                                                            NoSuchMethodException

Throws:

ClassNotFoundException

IllegalAccessException

InvocationTargetException

NoSuchMethodException

getCacheNegativeSeconds

@ManagedOperation(value="Amount of time failed DNS queries are cached for")
public int getCacheNegativeSeconds()
                                                                                                        throws ClassNotFoundException,
                                                                                                               IllegalAccessException,
                                                                                                               InvocationTargetException,
                                                                                                               NoSuchMethodException

Throws:

ClassNotFoundException

IllegalAccessException

InvocationTargetException

NoSuchMethodException

getCacheTweakedFrom

@ManagedOperation(value="Cache policy for successful DNS lookups was changed from the hard-coded default")
public String getCacheTweakedFrom()

getCacheNegativeTweakedFrom

@ManagedOperation(value="Cache policy for failed DNS lookups was changed from the hard-coded default")
public String getCacheNegativeTweakedFrom()