oracle.ucp.util

Class UCPTaskManagerImpl

java.lang.Object

oracle.ucp.util.UCPTaskManagerImpl

All Implemented Interfaces:

TaskManager

public class UCPTaskManagerImpl
extends Object
implements TaskManager

Field Summary

Fields

Modifier and Type	Field and Description
static int	THREAD_POOL_CORE_SIZE
static int	THREAD_POOL_KEEP_ALIVE_TIME
static int	THREAD_POOL_MAX_SIZE
static int	THREAD_POOL_QUEUE_SIZE

Constructor Summary

Constructors

Constructor and Description
UCPTaskManagerImpl()

Method Summary

Modifier and Type	Method and Description
protected RejectedExecutionHandler	getUCPTaskRejectionHandler()
ExecutorService	getUCPThreadPool()
boolean	isRunning() Checks if manager is running.
void	start() Starts task manager and prepares it to work.
void	stop() Shuts task manager down and cleans everything up.
<T> TaskHandle<T>	submitTask(Task<T> task) Submits a task for execution.
<T> TaskHandle<T>	submitToDedicatedThread(Task<T> task) The method is used to submit critical tasks to the task manager, which would need to be executed using dedicated threads instead of delegating it to the thread pool.The tasks that have implemented the isCritical method to return true will be executed here.
<T> TaskHandle<T>	submitToWTP(Task<T> task) The method is used execute the tasks that can be given to the thread pool for execution.The tasks that have implemented the isCritical method to return false will be executed using this method.

Methods inherited from class java.lang.Object

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

Field Detail

THREAD_POOL_MAX_SIZE

public static final int THREAD_POOL_MAX_SIZE

See Also:

Constant Field Values

THREAD_POOL_CORE_SIZE

public static final int THREAD_POOL_CORE_SIZE

See Also:

Constant Field Values

THREAD_POOL_QUEUE_SIZE

public static final int THREAD_POOL_QUEUE_SIZE

See Also:

Constant Field Values

THREAD_POOL_KEEP_ALIVE_TIME

public static final int THREAD_POOL_KEEP_ALIVE_TIME

See Also:

Constant Field Values

Constructor Detail

UCPTaskManagerImpl

public UCPTaskManagerImpl()

Method Detail

start

public void start()

Starts task manager and prepares it to work.

Specified by:

start in interface TaskManager

isRunning

public boolean isRunning()

Description copied from interface: TaskManager

Checks if manager is running.

Specified by:

isRunning in interface TaskManager

Returns:

true if running.

stop

public void stop()

Shuts task manager down and cleans everything up.

Specified by:

stop in interface TaskManager

submitTask

public <T> TaskHandle<T> submitTask(Task<T> task)

Submits a task for execution.

Specified by:

submitTask in interface TaskManager

Parameters:

task - task to execute.

Returns:

task handle.

submitToDedicatedThread

public <T> TaskHandle<T> submitToDedicatedThread(Task<T> task)

The method is used to submit critical tasks to the task manager, which would need to be executed using dedicated threads instead of delegating it to the thread pool.The tasks that have implemented the isCritical method to return true will be executed here.

Parameters:

task - which needs to be executed

Returns:

handle to the thread that has been started to execute the task

submitToWTP

public <T> TaskHandle<T> submitToWTP(Task<T> task)

The method is used execute the tasks that can be given to the thread pool for execution.The tasks that have implemented the isCritical method to return false will be executed using this method.

Parameters:

task - which needs to be executed

Returns:

handle to the Future object corresponding to the task execution

getUCPThreadPool

public ExecutorService getUCPThreadPool()

getUCPTaskRejectionHandler

protected RejectedExecutionHandler getUCPTaskRejectionHandler()