Package org.simpleframework.util.thread
Class PoolExecutor
- java.lang.Object
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- org.simpleframework.util.thread.PoolExecutor
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- All Implemented Interfaces:
java.util.concurrent.Executor
public class PoolExecutor extends java.lang.Object implements java.util.concurrent.Executor
ThePoolExecutor
object is used to execute tasks in a thread pool. This creates a thread pool with an unbounded list of outstanding tasks, which ensures that any system requesting a task to be executed will not block when handing it over.- Author:
- Niall Gallagher
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Constructor Summary
Constructors Constructor Description PoolExecutor(java.lang.Class<? extends java.lang.Runnable> type)
Constructor for thePoolExecutor
object.PoolExecutor(java.lang.Class<? extends java.lang.Runnable> type, int size)
Constructor for thePoolExecutor
object.PoolExecutor(java.lang.Class<? extends java.lang.Runnable> type, int rest, int active)
Constructor for thePoolExecutor
object.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description void
execute(java.lang.Runnable task)
Theexecute
method is used to queue the task for execution.void
stop()
This is used to stop the executor by interrupting all running tasks and shutting down the threads within the pool.
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Constructor Detail
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PoolExecutor
public PoolExecutor(java.lang.Class<? extends java.lang.Runnable> type)
Constructor for thePoolExecutor
object. This is used to create a pool of threads that can be used to execute arbitraryRunnable
tasks. If the threads are busy this will simply enqueue the tasks and return.- Parameters:
type
- this is the type of runnable that this accepts
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PoolExecutor
public PoolExecutor(java.lang.Class<? extends java.lang.Runnable> type, int size)
Constructor for thePoolExecutor
object. This is used to create a pool of threads that can be used to execute arbitraryRunnable
tasks. If the threads are busy this will simply enqueue the tasks and return.- Parameters:
type
- this is the type of runnable that this acceptssize
- this is the number of threads to use in the pool
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PoolExecutor
public PoolExecutor(java.lang.Class<? extends java.lang.Runnable> type, int rest, int active)
Constructor for thePoolExecutor
object. This is used to create a pool of threads that can be used to execute arbitraryRunnable
tasks. If the threads are busy this will simply enqueue the tasks and return.- Parameters:
type
- this is the type of runnable that this acceptsrest
- this is the number of threads to use in the poolactive
- this is the maximum size the pool can grow to
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Method Detail
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execute
public void execute(java.lang.Runnable task)
Theexecute
method is used to queue the task for execution. If all threads are busy the provided task is queued and waits until all current and outstanding tasks are finished.- Specified by:
execute
in interfacejava.util.concurrent.Executor
- Parameters:
task
- this is the task to be queued for execution
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stop
public void stop()
This is used to stop the executor by interrupting all running tasks and shutting down the threads within the pool. This will return once it has been stopped, and no further tasks will be accepted by this pool for execution.
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