com.bluegosling.concurrent.executors

Class WrappingExecutor

java.lang.Object

com.bluegosling.concurrent.executors.WrappingExecutor

All Implemented Interfaces:

Executor

Direct Known Subclasses:

ContextPropagatingExecutor, InterceptingExecutor, WrappingExecutorService

public abstract class WrappingExecutor
extends Object
implements Executor

An executor that provides a way to wrap tasks that are executed. Wrappers can perform a range of cross-cutting concerns before and after delegating to the wrapped task.

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	WrappingExecutor(Executor delegate) Constructs a new executor that delegates to the given executor.

Method Summary

Modifier and Type	Method and Description
protected Executor	delegate() Returns the underlying executor.
void	execute(Runnable command)
protected abstract Runnable	wrap(Runnable r) Wraps the given task.

Methods inherited from class java.lang.Object

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

Constructor Detail

WrappingExecutor

protected WrappingExecutor(Executor delegate)

Constructs a new executor that delegates to the given executor.

Parameters:

delegate - an executor

Method Detail

delegate

protected Executor delegate()

Returns the underlying executor.

Returns:

the underlying executor

wrap

protected abstract Runnable wrap(Runnable r)

Wraps the given task. This is called for each task executed.

Parameters:

r - a task

Returns:

a wrapper around the given task that will be executed in its place

execute

public void execute(Runnable command)

Specified by:

execute in interface Executor