Package com.google.common.util.concurrent

Class FuturesGetChecked

java.lang.Object

com.google.common.util.concurrent.FuturesGetChecked

@GwtIncompatible
final class FuturesGetChecked
extends java.lang.Object

Static methods used to implement Futures.getChecked(Future, Class).

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
(package private) static interface	FuturesGetChecked.GetCheckedTypeValidator
(package private) static class	FuturesGetChecked.GetCheckedTypeValidatorHolder	Provides a check of whether an exception type is valid for use with getChecked(Future, Class), possibly using caching.

Field Summary

Fields

Modifier and Type	Field	Description
private static Ordering<java.lang.reflect.Constructor<?>>	WITH_STRING_PARAM_FIRST

Constructor Summary

Constructors

Modifier	Constructor	Description
private	FuturesGetChecked()

Method Summary

Modifier and Type	Method	Description
private static FuturesGetChecked.GetCheckedTypeValidator	bestGetCheckedTypeValidator()
(package private) static void	checkExceptionClassValidity(java.lang.Class<? extends java.lang.Exception> exceptionClass)
(package private) static FuturesGetChecked.GetCheckedTypeValidator	classValueValidator()
(package private) static <V,X extends java.lang.Exception> V	getChecked(FuturesGetChecked.GetCheckedTypeValidator validator, java.util.concurrent.Future<V> future, java.lang.Class<X> exceptionClass)	Implementation of Futures.getChecked(Future, Class).
(package private) static <V,X extends java.lang.Exception> V	getChecked(java.util.concurrent.Future<V> future, java.lang.Class<X> exceptionClass)
(package private) static <V,X extends java.lang.Exception> V	getChecked(java.util.concurrent.Future<V> future, java.lang.Class<X> exceptionClass, long timeout, java.util.concurrent.TimeUnit unit)	Implementation of Futures.getChecked(Future, Class, long, TimeUnit).
private static boolean	hasConstructorUsableByGetChecked(java.lang.Class<? extends java.lang.Exception> exceptionClass)
(package private) static boolean	isCheckedException(java.lang.Class<? extends java.lang.Exception> type)
private static <X> X	newFromConstructor(java.lang.reflect.Constructor<X> constructor, java.lang.Throwable cause)
private static <X extends java.lang.Exception> X	newWithCause(java.lang.Class<X> exceptionClass, java.lang.Throwable cause)
private static <X extends java.lang.Exception> java.util.List<java.lang.reflect.Constructor<X>>	preferringStrings(java.util.List<java.lang.reflect.Constructor<X>> constructors)
(package private) static FuturesGetChecked.GetCheckedTypeValidator	weakSetValidator()
private static <X extends java.lang.Exception> void	wrapAndThrowExceptionOrError(java.lang.Throwable cause, java.lang.Class<X> exceptionClass)

Methods inherited from class java.lang.Object

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

Field Detail

WITH_STRING_PARAM_FIRST

private static final Ordering<java.lang.reflect.Constructor<?>> WITH_STRING_PARAM_FIRST

Constructor Detail

FuturesGetChecked

private FuturesGetChecked()

Method Detail

getChecked

static <V,X extends java.lang.Exception> V getChecked(java.util.concurrent.Future<V> future,
                                                            java.lang.Class<X> exceptionClass)
                                                     throws X extends java.lang.Exception

Throws:

X extends java.lang.Exception

getChecked

static <V,X extends java.lang.Exception> V getChecked(FuturesGetChecked.GetCheckedTypeValidator validator,
                                                            java.util.concurrent.Future<V> future,
                                                            java.lang.Class<X> exceptionClass)
                                                     throws X extends java.lang.Exception

Implementation of Futures.getChecked(Future, Class).

Throws:

X extends java.lang.Exception

getChecked

static <V,X extends java.lang.Exception> V getChecked(java.util.concurrent.Future<V> future,
                                                            java.lang.Class<X> exceptionClass,
                                                            long timeout,
                                                            java.util.concurrent.TimeUnit unit)
                                                     throws X extends java.lang.Exception

Implementation of Futures.getChecked(Future, Class, long, TimeUnit).

Throws:

X extends java.lang.Exception

bestGetCheckedTypeValidator

private static FuturesGetChecked.GetCheckedTypeValidator bestGetCheckedTypeValidator()

weakSetValidator

static FuturesGetChecked.GetCheckedTypeValidator weakSetValidator()

classValueValidator

static FuturesGetChecked.GetCheckedTypeValidator classValueValidator()

wrapAndThrowExceptionOrError

private static <X extends java.lang.Exception> void wrapAndThrowExceptionOrError(java.lang.Throwable cause,
                                                                                 java.lang.Class<X> exceptionClass)
                                                                          throws X extends java.lang.Exception

Throws:

X extends java.lang.Exception

hasConstructorUsableByGetChecked

private static boolean hasConstructorUsableByGetChecked(java.lang.Class<? extends java.lang.Exception> exceptionClass)

newWithCause

private static <X extends java.lang.Exception> X newWithCause(java.lang.Class<X> exceptionClass,
                                                              java.lang.Throwable cause)

preferringStrings

private static <X extends java.lang.Exception> java.util.List<java.lang.reflect.Constructor<X>> preferringStrings(java.util.List<java.lang.reflect.Constructor<X>> constructors)

newFromConstructor

private static <X> X newFromConstructor(java.lang.reflect.Constructor<X> constructor,
                                        java.lang.Throwable cause)

isCheckedException

static boolean isCheckedException(java.lang.Class<? extends java.lang.Exception> type)

checkExceptionClassValidity

static void checkExceptionClassValidity(java.lang.Class<? extends java.lang.Exception> exceptionClass)