SharedScheduledExecutors (ONOS Java API (2.5.1))

java.lang.Object
- org.onlab.util.SharedScheduledExecutors

```
public final class SharedScheduledExecutors
extends Object
```
Utility for managing a set of shared execution resources, such as a single thread scheduled executor and thread pool scheduled executor for use by various parts of the platform or by applications.
Whenever possible, use of these shared resources is encouraged over creating separate ones.

Field Summary

Fields
Modifier and Type Field Description

static int DEFAULT_POOL_SIZE

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method	Description
`static SharedScheduledExecutorService`	`getPoolThreadExecutor()`	Returns the shared scheduled thread pool executor.
`static SharedScheduledExecutorService`	`getSingleThreadExecutor()`	Returns the shared scheduled single thread executor.
`static ScheduledFuture<?>`	`newTimeout(Runnable task, long delay, TimeUnit unit)`	Executes one-shot timer task on shared thread pool.
`static void`	`setPoolSize(int poolSize)`	Configures the shared scheduled thread pool size.
`static void`	`shutdown()`	Shuts down all shared scheduled executors.

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

- Field Detail
  - DEFAULT_POOL_SIZE
```
public static final int DEFAULT_POOL_SIZE
```
    See Also:
    
    Constant Field Values
- Method Detail
  - getSingleThreadExecutor
```
public static SharedScheduledExecutorService getSingleThreadExecutor()
```
    Returns the shared scheduled single thread executor.
    
    Returns:
    
    shared scheduled single thread executor
  - newTimeout
```
public static ScheduledFuture<?> newTimeout(Runnable task,
                                            long delay,
                                            TimeUnit unit)
```
    Executes one-shot timer task on shared thread pool.
    
    Parameters:
    
    task - timer task to execute
    
    delay - before executing the task
    
    unit - of delay
    
    Returns:
    
    a ScheduledFuture representing pending completion of the task and whose get() method will return null upon completion
  - getPoolThreadExecutor
```
public static SharedScheduledExecutorService getPoolThreadExecutor()
```
    Returns the shared scheduled thread pool executor.
    
    Returns:
    
    shared scheduled executor pool
  - setPoolSize
```
public static void setPoolSize(int poolSize)
```
    Configures the shared scheduled thread pool size.
    
    Parameters:
    
    poolSize - new pool size
  - shutdown
```
public static void shutdown()
```
    Shuts down all shared scheduled executors. This is not intended to be called by application directly.