io.github.resilience4j.core

Class CheckFunctionUtils

java.lang.Object

io.github.resilience4j.core.CheckFunctionUtils

public class CheckFunctionUtils
extends java.lang.Object

Method Summary

Modifier and Type	Method and Description
static <T,R> io.vavr.CheckedFunction0<R>	andThen(io.vavr.CheckedFunction0<T> function, io.vavr.CheckedFunction2<T,java.lang.Throwable,R> handler) Returns a composed function that first applies the function and then applies BiFunction after to the result.
static <T> io.vavr.CheckedFunction0<T>	recover(io.vavr.CheckedFunction0<T> function, io.vavr.CheckedFunction1<java.lang.Throwable,T> exceptionHandler) Returns a composed function that first executes the function and optionally recovers from an exception.
static <X extends java.lang.Throwable,T> io.vavr.CheckedFunction0<T>	recover(io.vavr.CheckedFunction0<T> function, java.lang.Class<X> exceptionType, io.vavr.CheckedFunction1<java.lang.Throwable,T> exceptionHandler) Returns a composed function that first executes the function and optionally recovers from an exception.
static <T> io.vavr.CheckedFunction0<T>	recover(io.vavr.CheckedFunction0<T> function, java.util.List<java.lang.Class<? extends java.lang.Throwable>> exceptionTypes, io.vavr.CheckedFunction1<java.lang.Throwable,T> exceptionHandler) Returns a composed function that first executes the function and optionally recovers from an exception.
static <T> io.vavr.CheckedFunction0<T>	recover(io.vavr.CheckedFunction0<T> function, java.util.function.Predicate<T> resultPredicate, io.vavr.CheckedFunction1<T,T> resultHandler) Returns a composed function that first executes the function and optionally recovers from a specific result.

Methods inherited from class java.lang.Object

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

Method Detail

recover

public static <T> io.vavr.CheckedFunction0<T> recover(io.vavr.CheckedFunction0<T> function,
                                                      io.vavr.CheckedFunction1<java.lang.Throwable,T> exceptionHandler)

Returns a composed function that first executes the function and optionally recovers from an exception.

Type Parameters:

T - return type of after

Parameters:

function - the function which should be recovered from a certain exception

exceptionHandler - the exception handler

Returns:

a function composed of callable and exceptionHandler

andThen

public static <T,R> io.vavr.CheckedFunction0<R> andThen(io.vavr.CheckedFunction0<T> function,
                                                        io.vavr.CheckedFunction2<T,java.lang.Throwable,R> handler)

Returns a composed function that first applies the function and then applies BiFunction after to the result.

Type Parameters:

T - return type of callable

R - return type of handler

Parameters:

function - the function

handler - the function applied after callable

Returns:

a function composed of supplier and handler

recover

public static <T> io.vavr.CheckedFunction0<T> recover(io.vavr.CheckedFunction0<T> function,
                                                      java.util.function.Predicate<T> resultPredicate,
                                                      io.vavr.CheckedFunction1<T,T> resultHandler)

Returns a composed function that first executes the function and optionally recovers from a specific result.

Type Parameters:

T - return type of after

Parameters:

function - the function

resultPredicate - the result predicate

resultHandler - the result handler

Returns:

a function composed of supplier and exceptionHandler

recover

public static <T> io.vavr.CheckedFunction0<T> recover(io.vavr.CheckedFunction0<T> function,
                                                      java.util.List<java.lang.Class<? extends java.lang.Throwable>> exceptionTypes,
                                                      io.vavr.CheckedFunction1<java.lang.Throwable,T> exceptionHandler)

Returns a composed function that first executes the function and optionally recovers from an exception.

Type Parameters:

T - return type of after

Parameters:

function - the function which should be recovered from a certain exception

exceptionTypes - the specific exception types that should be recovered

exceptionHandler - the exception handler

Returns:

a function composed of supplier and exceptionHandler

recover

public static <X extends java.lang.Throwable,T> io.vavr.CheckedFunction0<T> recover(io.vavr.CheckedFunction0<T> function,
                                                                                    java.lang.Class<X> exceptionType,
                                                                                    io.vavr.CheckedFunction1<java.lang.Throwable,T> exceptionHandler)

Returns a composed function that first executes the function and optionally recovers from an exception.

Type Parameters:

T - return type of after

Parameters:

function - the function which should be recovered from a certain exception

exceptionType - the specific exception type that should be recovered

exceptionHandler - the exception handler

Returns:

a function composed of callable and exceptionHandler