com.helger.commons.callback.adapter

Class AdapterThrowingRunnableToCallable<DATATYPE,EXTYPE extends Exception>

java.lang.Object

com.helger.commons.callback.adapter.AdapterThrowingRunnableToCallable<DATATYPE,EXTYPE>

Type Parameters:

DATATYPE - The callable result type.

EXTYPE - Exception type to be thrown

All Implemented Interfaces:

IThrowingCallable<DATATYPE,EXTYPE>, Callable<DATATYPE>

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

A helper class that converts a IThrowingRunnable into an IThrowingCallable.

Author:

Philip Helger

Constructor Summary

Constructors

Constructor and Description
AdapterThrowingRunnableToCallable(IThrowingRunnable<EXTYPE> aRunnable)
AdapterThrowingRunnableToCallable(IThrowingRunnable<EXTYPE> aRunnable, DATATYPE aResult)

Method Summary

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

AdapterThrowingRunnableToCallable

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

Method Detail

getRunnable

@Nonnull
public IThrowingRunnable<EXTYPE> getRunnable()

getResult

@Nullable
public DATATYPE getResult()

call

@Nullable
public DATATYPE call()
                         throws EXTYPE extends Exception

Specified by:

call in interface IThrowingCallable<DATATYPE,EXTYPE extends Exception>

Specified by:

call in interface Callable<DATATYPE>

Throws:

EXTYPE extends Exception

toString

public String toString()

Overrides:

toString in class Object

createAdapter

@Nonnull
public static <EXTYPE extends Exception> AdapterThrowingRunnableToCallable<Object,EXTYPE> createAdapter(@Nonnull
                                                                                                                  IThrowingRunnable<EXTYPE> aRunnable)

Create a callable that always returns null.

Type Parameters:

EXTYPE - Exception type to be thrown

Parameters:

aRunnable - The runnable to be executed.

Returns:

The created AdapterThrowingRunnableToCallable object.

createAdapter

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

Create a callable that always returns the passed value.

Type Parameters:

DATATYPE - The callable result type.

EXTYPE - Exception type to be thrown

Parameters:

aRunnable - The runnable to be executed.

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

Returns:

The created AdapterThrowingRunnableToCallable object.