org.apache.synapse.task
Class TaskScheduler

java.lang.Object
  org.apache.synapse.task.TaskScheduler

public class TaskScheduler
extends Object

Abstraction for scheduling a Task

Field Summary

static String

QUARTZ_CONF Property look up key for get a quartz configuration

Constructor Summary

TaskScheduler(String name)

Method Summary

void	deleteTask(String name, String group) Deletes a Task
int	getRunningTaskCount()
void	init(Properties properties) Initialize the scheduler based on provided properties Looking for 'quartz.conf' and if found , use it for initiating quartz scheduler
boolean	isInitialized()
void	pauseAll() Pauses all tasks.
void	resumeAll()
void	scheduleTask(TaskDescription taskDescription, Map<String,Object> resources, Class<? extends org.quartz.Job> jobClass) Schedule a Task
void	setJobDetailFactory(TaskJobDetailFactory jobDetailFactory) Sets a JobDetail Factory, if it needs to void using default factory
void	setTriggerFactory(TaskTriggerFactory triggerFactory) Sets a Trigger Factory , if it needs to void using default factory
void	shutDown() ShutDown the underlying quartz scheduler
void	start() Explicitly start up call for scheduler, return if already it has been started
String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

QUARTZ_CONF

public static final String QUARTZ_CONF

Property look up key for get a quartz configuration

See Also:

Constant Field Values

Constructor Detail

TaskScheduler

public TaskScheduler(String name)

Method Detail

init

public void init(Properties properties)

Initialize the scheduler based on provided properties Looking for 'quartz.conf' and if found , use it for initiating quartz scheduler

Parameters:

properties - Properties

start

public void start()

Explicitly start up call for scheduler, return if already it has been started

pauseAll

public void pauseAll()

Pauses all tasks.

Throws:

SynapseTaskException - if an error occurs pausing all tasks.

resumeAll

public void resumeAll()

scheduleTask

public void scheduleTask(TaskDescription taskDescription,
                         Map<String,Object> resources,
                         Class<? extends org.quartz.Job> jobClass)

Schedule a Task

Parameters:

taskDescription - TaskDescription , an information about Task

resources - Any initial resources for task

jobClass - Quartz job class

shutDown

public void shutDown()

ShutDown the underlying quartz scheduler

isInitialized

public boolean isInitialized()

Returns:

Returns true if the scheduler is ready for schedule a task

deleteTask

public void deleteTask(String name,
                       String group)

Deletes a Task

Parameters:

name - Name of the Task

group - Group name of the task Default value @see org.apache.synapse.util.task.TaskDescription.DEFAULT_GROUP

getRunningTaskCount

public int getRunningTaskCount()

setTriggerFactory

public void setTriggerFactory(TaskTriggerFactory triggerFactory)

Sets a Trigger Factory , if it needs to void using default factory

Parameters:

triggerFactory - TaskTriggerFactory instance

setJobDetailFactory

public void setJobDetailFactory(TaskJobDetailFactory jobDetailFactory)

Sets a JobDetail Factory, if it needs to void using default factory

Parameters:

jobDetailFactory - TaskJobDetailFactory instance

toString

public String toString()

Overrides:

toString in class Object