com.yammer.metrics.util

Class DeadlockHealthCheck

java.lang.Object

com.yammer.metrics.core.HealthCheck

com.yammer.metrics.util.DeadlockHealthCheck

public class DeadlockHealthCheck
extends HealthCheck

A HealthCheck implementation which returns a list of deadlocked threads, if any.

Nested Class Summary

Nested classes/interfaces inherited from class com.yammer.metrics.core.HealthCheck

HealthCheck.Result

Constructor Summary

Constructors

Constructor and Description
DeadlockHealthCheck() Creates a new DeadlockHealthCheck.
DeadlockHealthCheck(VirtualMachineMetrics vm) Creates a new DeadlockHealthCheck with the given VirtualMachineMetrics instance.

Method Summary

Methods

Modifier and Type	Method and Description
protected HealthCheck.Result	check() Perform a check of the application component.

Methods inherited from class com.yammer.metrics.core.HealthCheck

execute, getName

Methods inherited from class java.lang.Object

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

Constructor Detail

DeadlockHealthCheck

public DeadlockHealthCheck(VirtualMachineMetrics vm)

Creates a new DeadlockHealthCheck with the given VirtualMachineMetrics instance.

Parameters:

vm - a VirtualMachineMetrics instance

DeadlockHealthCheck

public DeadlockHealthCheck()

Creates a new DeadlockHealthCheck.

Method Detail

check

protected HealthCheck.Result check()
                            throws Exception

Description copied from class: HealthCheck

Perform a check of the application component.

Specified by:

check in class HealthCheck

Returns:

if the component is healthy, a healthy HealthCheck.Result; otherwise, an unhealthy HealthCheck.Result with a descriptive error message or exception

Throws:

Exception - if there is an unhandled error during the health check; this will result in a failed health check