org.quartz.simpl
Class SystemPropertyInstanceIdGenerator

java.lang.Object
  org.quartz.simpl.SystemPropertyInstanceIdGenerator

All Implemented Interfaces:

InstanceIdGenerator

public class SystemPropertyInstanceIdGenerator
extends java.lang.Object
implements InstanceIdGenerator

InstanceIdGenerator that will use a system property to configure the scheduler. If no value set for the property, a SchedulerException is thrown

Author:

Alex Snaps

Field Summary

static java.lang.String

SYSTEM_PROPERTY System property to read the instanceId from

Constructor Summary

SystemPropertyInstanceIdGenerator()

Method Summary

java.lang.String

generateInstanceId() Returns the cluster wide value for this scheduler instance's id, based on a system property

Methods inherited from class java.lang.Object

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

Field Detail

SYSTEM_PROPERTY

public static final java.lang.String SYSTEM_PROPERTY

System property to read the instanceId from

See Also:

Constant Field Values

Constructor Detail

SystemPropertyInstanceIdGenerator

public SystemPropertyInstanceIdGenerator()

Method Detail

generateInstanceId

public java.lang.String generateInstanceId()
                                    throws SchedulerException

Returns the cluster wide value for this scheduler instance's id, based on a system property

Specified by:

generateInstanceId in interface InstanceIdGenerator

Returns:

the value of the system property

Throws:

SchedulerException - Shouldn't a value be found