ExecutionService (CSS Core API)

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org.csstudio.java.thread
Class ExecutionService

java.lang.Object
  org.csstudio.java.thread.ExecutionService

public class ExecutionService
extends java.lang.Object
extends java.lang.Object

Service for the execution of asynchronous tasks using thread pools.

Author:: swende, Xihui Chen (move this from platform to here)

Method Summary
`void`	`executeWithHighPriority(java.lang.Runnable runnable)` Executes the specified runnable with high priority.
`void`	`executeWithLowPriority(java.lang.Runnable runnable)` Executes the specified runnable with normal priority.
`void`	`executeWithNormalPriority(java.lang.Runnable runnable)` Executes the specified runnable with normal priority.
`int`	`getHighPriorityQueueSize()` Returns the number of runnables waiting for execution with high priority.
`static ExecutionService`	`getInstance()` Returns the singleton instance.
`int`	`getLowPriorityQueueSize()` Returns the number of runnables waiting for execution with low priority.
`int`	`getNormalPriorityQueueSize()` Returns the number of runnables waiting for execution with normal priority.
`java.util.concurrent.ScheduledExecutorService`	`getScheduledExecutorService()`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Method Detail

getInstance

public static ExecutionService getInstance()

Returns the singleton instance.

Returns:: the singleton instance

executeWithHighPriority

public void executeWithHighPriority(java.lang.Runnable runnable)

Executes the specified runnable with high priority.

Parameters:: runnable - the runnable

executeWithNormalPriority

public void executeWithNormalPriority(java.lang.Runnable runnable)

Executes the specified runnable with normal priority.

Parameters:: runnable - the runnable

getHighPriorityQueueSize

public int getHighPriorityQueueSize()

Returns the number of runnables waiting for execution with high priority.

getNormalPriorityQueueSize

public int getNormalPriorityQueueSize()

Returns the number of runnables waiting for execution with normal priority.

getLowPriorityQueueSize

public int getLowPriorityQueueSize()

Returns the number of runnables waiting for execution with low priority.

executeWithLowPriority

public void executeWithLowPriority(java.lang.Runnable runnable)