com.netflix.hystrix.contrib.javanica.utils

Class TypeHelper

java.lang.Object

com.netflix.hystrix.contrib.javanica.utils.TypeHelper

public final class TypeHelper
extends java.lang.Object

Helper class that provides convenient methods to work with java types.

Created by dmgcodevil.

Method Summary

Modifier and Type	Method and Description
static java.util.List<java.lang.reflect.Type>	flattenTypeVariables(java.lang.reflect.Type type) Unwinds parametrized type into plain list that contains all parameters for the given type including nested parameterized types, for example calling the method for the following type GType>, Parent>>> will return list of 8 elements: [GType, GType, GDoubleType, GType, GDoubleType, Parent, Parent, Parent] if the given type is not parametrized then returns list with one element which is given type passed into method.
static boolean	isGenericReturnType(java.lang.reflect.Method method)
static boolean	isParametrizedType(java.lang.reflect.Type t)
static boolean	isReturnTypeParametrized(java.lang.reflect.Method method) Check whether return type of the given method is parametrized or not.
static boolean	isTypeVariable(java.lang.reflect.Type t)
static boolean	isWildcardType(java.lang.reflect.Type t)

Methods inherited from class java.lang.Object

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

Method Detail

isGenericReturnType

public static boolean isGenericReturnType(java.lang.reflect.Method method)

isReturnTypeParametrized

public static boolean isReturnTypeParametrized(java.lang.reflect.Method method)

Check whether return type of the given method is parametrized or not.

Parameters:

method - the method

Returns:

true - if return type is ParameterizedType, otherwise - false

isParametrizedType

public static boolean isParametrizedType(java.lang.reflect.Type t)

isTypeVariable

public static boolean isTypeVariable(java.lang.reflect.Type t)

isWildcardType

public static boolean isWildcardType(java.lang.reflect.Type t)

flattenTypeVariables

@ParametersAreNonnullByDefault
public static java.util.List<java.lang.reflect.Type> flattenTypeVariables(java.lang.reflect.Type type)

Unwinds parametrized type into plain list that contains all parameters for the given type including nested parameterized types, for example calling the method for the following type GType>, Parent>>> will return list of 8 elements: [GType, GType, GDoubleType, GType, GDoubleType, Parent, Parent, Parent] if the given type is not parametrized then returns list with one element which is given type passed into method.

Parameters:

type - the parameterized type

Returns:

list of Type