com.netflix.hystrix.contrib.javanica.utils

Class MethodProvider

java.lang.Object

com.netflix.hystrix.contrib.javanica.utils.MethodProvider

public final class MethodProvider
extends java.lang.Object

Created by dmgcodevil

Method Summary

Modifier and Type	Method and Description
FallbackMethod	getFallbackMethod(java.lang.Class<?> type, java.lang.reflect.Method commandMethod)
FallbackMethod	getFallbackMethod(java.lang.Class<?> enclosingType, java.lang.reflect.Method commandMethod, boolean extended) Gets fallback method for command method.
static MethodProvider	getInstance()
static com.google.common.base.Optional<java.lang.reflect.Method>	getMethod(java.lang.Class<?> type, java.lang.String name, java.lang.Class<?>... parameterTypes) Gets method by name and parameters types using reflection, if the given type doesn't contain required method then continue applying this method for all super classes up to Object class.
java.lang.reflect.Method	unbride(java.lang.reflect.Method bridgeMethod, java.lang.Class<?> aClass) Finds generic method for the given bridge method.

Methods inherited from class java.lang.Object

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

Method Detail

getInstance

public static MethodProvider getInstance()

getFallbackMethod

public FallbackMethod getFallbackMethod(java.lang.Class<?> type,
                                        java.lang.reflect.Method commandMethod)

getFallbackMethod

public FallbackMethod getFallbackMethod(java.lang.Class<?> enclosingType,
                                        java.lang.reflect.Method commandMethod,
                                        boolean extended)

Gets fallback method for command method.

Parameters:

enclosingType - the enclosing class

commandMethod - the command method. in the essence it can be a fallback method annotated with HystrixCommand annotation that has a fallback as well.

extended - true if the given commandMethod was derived using additional parameter, otherwise - false

Returns:

new instance of FallbackMethod or FallbackMethod.ABSENT if there is no suitable fallback method for the given command

getMethod

public static com.google.common.base.Optional<java.lang.reflect.Method> getMethod(java.lang.Class<?> type,
                                                                                  java.lang.String name,
                                                                                  java.lang.Class<?>... parameterTypes)

Gets method by name and parameters types using reflection, if the given type doesn't contain required method then continue applying this method for all super classes up to Object class.

Parameters:

type - the type to search method

name - the method name

parameterTypes - the parameters types

Returns:

Some if method exists otherwise None

unbride

public java.lang.reflect.Method unbride(java.lang.reflect.Method bridgeMethod,
                                        java.lang.Class<?> aClass)
                                 throws java.io.IOException,
                                        java.lang.NoSuchMethodException,
                                        java.lang.ClassNotFoundException

Finds generic method for the given bridge method.

Parameters:

bridgeMethod - the bridge method

aClass - the type where the bridge method is declared

Returns:

generic method

Throws:

java.io.IOException

java.lang.NoSuchMethodException

java.lang.ClassNotFoundException