com.linkedin.parseq.batching

Class BatchImpl.BatchPromise<T>

java.lang.Object

com.linkedin.parseq.batching.BatchImpl.BatchPromise<T>

All Implemented Interfaces:

com.linkedin.parseq.promise.Promise<T>, com.linkedin.parseq.promise.Settable<T>, com.linkedin.parseq.promise.SettablePromise<T>

Enclosing class:

BatchImpl<K,T>

public static class BatchImpl.BatchPromise<T>
extends Object
implements com.linkedin.parseq.promise.SettablePromise<T>

Internal Promise delegate that decouples setting value on internal Promise from publishing result on external promise. Used in batching implementation to make sure that (external) Promise is resolved after all bacth-internal promises (including duplicates ) are resolved.

Constructor Summary

Constructors

Constructor and Description
BatchPromise()

Method Summary

Modifier and Type	Method and Description
void	addListener(com.linkedin.parseq.promise.PromiseListener<T> listener)
void	await()
boolean	await(long time, TimeUnit unit)
void	done(T value)
void	fail(Throwable error)
T	get()
Throwable	getError()
com.linkedin.parseq.promise.SettablePromise<T>	getInternal()
T	getOrDefault(T defaultValue)
boolean	isDone()
boolean	isFailed()
void	trigger()

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.linkedin.parseq.promise.Promise

toCompletionStage

Constructor Detail

BatchPromise

public BatchPromise()

Method Detail

get

public T get()
      throws com.linkedin.parseq.promise.PromiseException

Specified by:

get in interface com.linkedin.parseq.promise.Promise<T>

Throws:

com.linkedin.parseq.promise.PromiseException

getError

public Throwable getError()
                   throws com.linkedin.parseq.promise.PromiseUnresolvedException

Specified by:

getError in interface com.linkedin.parseq.promise.Promise<T>

Throws:

com.linkedin.parseq.promise.PromiseUnresolvedException

getOrDefault

public T getOrDefault(T defaultValue)
               throws com.linkedin.parseq.promise.PromiseUnresolvedException

Specified by:

getOrDefault in interface com.linkedin.parseq.promise.Promise<T>

Throws:

com.linkedin.parseq.promise.PromiseUnresolvedException

await

public void await()
           throws InterruptedException

Specified by:

await in interface com.linkedin.parseq.promise.Promise<T>

Throws:

InterruptedException

await

public boolean await(long time,
                     TimeUnit unit)
              throws InterruptedException

Specified by:

await in interface com.linkedin.parseq.promise.Promise<T>

Throws:

InterruptedException

addListener

public void addListener(com.linkedin.parseq.promise.PromiseListener<T> listener)

Specified by:

addListener in interface com.linkedin.parseq.promise.Promise<T>

isDone

public boolean isDone()

Specified by:

isDone in interface com.linkedin.parseq.promise.Promise<T>

isFailed

public boolean isFailed()

Specified by:

isFailed in interface com.linkedin.parseq.promise.Promise<T>

done

public void done(T value)
          throws com.linkedin.parseq.promise.PromiseResolvedException

Specified by:

done in interface com.linkedin.parseq.promise.Settable<T>

Throws:

com.linkedin.parseq.promise.PromiseResolvedException

fail

public void fail(Throwable error)
          throws com.linkedin.parseq.promise.PromiseResolvedException

Specified by:

fail in interface com.linkedin.parseq.promise.Settable<T>

Throws:

com.linkedin.parseq.promise.PromiseResolvedException

trigger

public void trigger()

getInternal

public com.linkedin.parseq.promise.SettablePromise<T> getInternal()