com.phloc.commons.callback

Class AdapterThrowingRunnableToCallable<DATATYPE>

java.lang.Object

com.phloc.commons.callback.AdapterThrowingRunnableToCallable<DATATYPE>

Type Parameters:

DATATYPE - The callable result type.

All Implemented Interfaces:

IThrowingCallable<DATATYPE>, Callable<DATATYPE>

@Immutable
public class AdapterThrowingRunnableToCallable<DATATYPE>
extends Object
implements IThrowingCallable<DATATYPE>

A helper class that converts a IThrowingRunnable into an IThrowingCallable.

Author:

Philip Helger

Constructor Summary

Constructors

Constructor and Description
AdapterThrowingRunnableToCallable(IThrowingRunnable aRunnable)
AdapterThrowingRunnableToCallable(IThrowingRunnable aRunnable, DATATYPE aResult)

Method Summary

Methods

Modifier and Type	Method and Description
DATATYPE	call()
static AdapterThrowingRunnableToCallable<Object>	createAdapter(IThrowingRunnable aRunnable) Create a callable that always returns null.
static <DATATYPE> AdapterThrowingRunnableToCallable<DATATYPE>	createAdapter(IThrowingRunnable aRunnable, DATATYPE aResult) Create a callable that always returns the passed value.
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

AdapterThrowingRunnableToCallable

public AdapterThrowingRunnableToCallable(@Nonnull
                                 IThrowingRunnable aRunnable)

AdapterThrowingRunnableToCallable

public AdapterThrowingRunnableToCallable(@Nonnull
                                 IThrowingRunnable aRunnable,
                                 @Nullable
                                 DATATYPE aResult)

Method Detail

call

@Nullable
public DATATYPE call()
              throws Exception

Specified by:

call in interface Callable<DATATYPE>

Throws:

Exception

toString

public String toString()

Overrides:

toString in class Object

createAdapter

@Nonnull
public static AdapterThrowingRunnableToCallable<Object> createAdapter(@Nonnull
                                                              IThrowingRunnable aRunnable)

Create a callable that always returns null.

Parameters:

aRunnable - The runnable to be executed.

Returns:

The created AdapterThrowingRunnableToCallable object.

createAdapter

@Nonnull
public static <DATATYPE> AdapterThrowingRunnableToCallable<DATATYPE> createAdapter(@Nonnull
                                                                           IThrowingRunnable aRunnable,
                                                                           @Nullable
                                                                           DATATYPE aResult)

Create a callable that always returns the passed value.

Parameters:

aRunnable - The runnable to be executed.

aResult - The expected result from calling Callable.call() . May be null.

Returns:

The created AdapterThrowingRunnableToCallable object.