Package io.github.resilience4j.core

Class CheckFunctionUtils

  • public class CheckFunctionUtils
extends java.lang.Object

    • Method Summary

      All Methods Static Methods Concrete Methods 
      Modifier and Type Method 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.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.
      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.

      • 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