Package org.apache.beam.sdk.util

Class MoreFutures.ExceptionOrResult<T>

java.lang.Object

org.apache.beam.sdk.util.MoreFutures.ExceptionOrResult<T>

Enclosing class:

MoreFutures

public abstract static class MoreFutures.ExceptionOrResult<T>
extends java.lang.Object

An object that represents either a result or an exceptional termination.

This is used, for example, in aggregating the results of many future values in MoreFutures.allAsList(Collection).

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	MoreFutures.ExceptionOrResult.IsException	Describes whether the result was an exception.

Constructor Summary

Constructors

Constructor	Description
ExceptionOrResult()

Method Summary

Modifier and Type	Method	Description
static <T> MoreFutures.ExceptionOrResult<T>	exception(java.lang.Throwable throwable)
abstract @Nullable java.lang.Throwable	getException()
abstract @Nullable T	getResult()
abstract MoreFutures.ExceptionOrResult.IsException	isException()
static <T> MoreFutures.ExceptionOrResult<T>	result(T result)

Methods inherited from class java.lang.Object

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

Constructor Detail

ExceptionOrResult

public ExceptionOrResult()

Method Detail

isException

public abstract MoreFutures.ExceptionOrResult.IsException isException()

getResult

public abstract @Nullable T getResult()

getException

public abstract @Nullable java.lang.Throwable getException()

exception

public static <T> MoreFutures.ExceptionOrResult<T> exception(java.lang.Throwable throwable)

result

public static <T> MoreFutures.ExceptionOrResult<T> result(T result)