io.joynr.provider

Class PromiseKeeper

java.lang.Object

io.joynr.provider.PromiseKeeper

All Implemented Interfaces:

PromiseListener

public class PromiseKeeper
extends Object
implements PromiseListener

Constructor Summary

Constructors

Constructor and Description
PromiseKeeper()

Method Summary

Modifier and Type	Method and Description
Optional<JoynrException>	getError() Get the error causing rejection of the promise.
Optional<JoynrException>	getError(long timeout) Get the error causing rejection of the promise.
Optional<Object[]>	getValues() Get the resolved values of the promise.
Optional<Object[]>	getValues(long timeout) Get the resolved values of the promise.
boolean	isFulfilled()
boolean	isRejected()
boolean	isSettled()
void	onFulfillment(Object... values)
void	onRejection(JoynrException error)
void	waitForSettlement() Blocks until the promise is settled.
void	waitForSettlement(long timeout) Blocks until the promise is settled or timeout is reached.

Methods inherited from class java.lang.Object

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

Constructor Detail

PromiseKeeper

public PromiseKeeper()

Method Detail

onFulfillment

public void onFulfillment(Object... values)

Specified by:

onFulfillment in interface PromiseListener

onRejection

public void onRejection(JoynrException error)

Specified by:

onRejection in interface PromiseListener

getValues

public Optional<Object[]> getValues()
                             throws InterruptedException

Get the resolved values of the promise. If the promise is not settled, the call blocks until the promise is settled.

Returns:

the resolved values or null in case of timeout.

Throws:

InterruptedException - if the thread is interrupted.

getValues

public Optional<Object[]> getValues(long timeout)
                             throws InterruptedException

Get the resolved values of the promise. If the promise is not settled, the call blocks until the promise is settled or timeout is reached.

Parameters:

timeout - the maximum time to wait in milliseconds.

Returns:

the resolved values or null in case of timeout.

Throws:

InterruptedException - if the thread is interrupted.

getError

public Optional<JoynrException> getError()
                                  throws InterruptedException

Get the error causing rejection of the promise. If the promise is not settled, the call blocks until the promise is settled.

Returns:

the error causing rejection or null in case of timeout.

Throws:

InterruptedException - if the thread is interrupted.

getError

public Optional<JoynrException> getError(long timeout)
                                  throws InterruptedException

Get the error causing rejection of the promise. If the promise is not settled, the call blocks until the promise is settled or timeout is reached.

Parameters:

timeout - the maximum time to wait in milliseconds.

Returns:

the error causing rejection or null in case of timeout.

Throws:

InterruptedException - if the thread is interrupted.

waitForSettlement

public void waitForSettlement()
                       throws InterruptedException

Blocks until the promise is settled.

Throws:

InterruptedException - if the thread is interrupted.

waitForSettlement

public void waitForSettlement(long timeout)
                       throws InterruptedException

Blocks until the promise is settled or timeout is reached.

Parameters:

timeout - the maximum time to wait in milliseconds.

Throws:

InterruptedException - if the thread is interrupted.

isFulfilled

public boolean isFulfilled()

isRejected

public boolean isRejected()

isSettled

public boolean isSettled()