Package org.apache.flink.util

Class ReflectionUtil

java.lang.Object

org.apache.flink.util.ReflectionUtil

@Internal
public final class ReflectionUtil
extends Object

Utility for reflection operations on classes and generic type parametrization.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	ReflectionUtil.FullTypeInfo	Container for the full type information of a type.

Method Summary

Modifier and Type	Method	Description
static ReflectionUtil.FullTypeInfo	getFullTemplateType(Type type)	Extract the full type information from the given type.
static ReflectionUtil.FullTypeInfo	getFullTemplateType(Type type, int templatePosition)	Extract the full template type information from the given type's template parameter at the given position.
static Class<?>[]	getSuperTemplateTypes(Class<?> clazz)
static Class<?>[]	getSuperTemplateTypes(Class<?> clazz, Class<?> searchedSuperClass)
static <T> Class<T>	getTemplateType(Class<?> clazz, int num)
static <T> Class<T>	getTemplateType(Class<?> clazz, Class<?> classWithParameter, int num)
static <T> Class<T>	getTemplateType1(Class<?> clazz)
static <T> Class<T>	getTemplateType1(Type type)
static <T> Class<T>	getTemplateType2(Class<?> clazz)
static <T> Class<T>	getTemplateType3(Class<?> clazz)
static <T> Class<T>	getTemplateType4(Class<?> clazz)
static <T> Class<T>	getTemplateType5(Class<?> clazz)
static <T> Class<T>	getTemplateType6(Class<?> clazz)
static <T> Class<T>	getTemplateType7(Class<?> clazz)
static <T> Class<T>	getTemplateType8(Class<?> clazz)
static Class<?>[]	getTemplateTypes(Class<?> clazz)
static Class<?>[]	getTemplateTypes(ParameterizedType paramterizedType)
static <T> T	newInstance(Class<T> clazz)

Methods inherited from class java.lang.Object

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

Method Detail

newInstance

public static <T> T newInstance(Class<T> clazz)

getTemplateType

public static <T> Class<T> getTemplateType(Class<?> clazz,
                                           int num)

getTemplateType

public static <T> Class<T> getTemplateType(Class<?> clazz,
                                           Class<?> classWithParameter,
                                           int num)

getTemplateType1

public static <T> Class<T> getTemplateType1(Class<?> clazz)

getTemplateType1

public static <T> Class<T> getTemplateType1(Type type)

getTemplateType2

public static <T> Class<T> getTemplateType2(Class<?> clazz)

getTemplateType3

public static <T> Class<T> getTemplateType3(Class<?> clazz)

getTemplateType4

public static <T> Class<T> getTemplateType4(Class<?> clazz)

getTemplateType5

public static <T> Class<T> getTemplateType5(Class<?> clazz)

getTemplateType6

public static <T> Class<T> getTemplateType6(Class<?> clazz)

getTemplateType7

public static <T> Class<T> getTemplateType7(Class<?> clazz)

getTemplateType8

public static <T> Class<T> getTemplateType8(Class<?> clazz)

getSuperTemplateTypes

public static Class<?>[] getSuperTemplateTypes(Class<?> clazz)

getSuperTemplateTypes

public static Class<?>[] getSuperTemplateTypes(Class<?> clazz,
                                               Class<?> searchedSuperClass)

getTemplateTypes

public static Class<?>[] getTemplateTypes(ParameterizedType paramterizedType)

getTemplateTypes

public static Class<?>[] getTemplateTypes(Class<?> clazz)

getFullTemplateType

public static ReflectionUtil.FullTypeInfo getFullTemplateType(Type type,
                                                              int templatePosition)

Extract the full template type information from the given type's template parameter at the given position.

Parameters:

type - type to extract the full template parameter information from

templatePosition - describing at which position the template type parameter is

Returns:

Full type information describing the template parameter's type

getFullTemplateType

public static ReflectionUtil.FullTypeInfo getFullTemplateType(Type type)

Extract the full type information from the given type.

Parameters:

type - to be analyzed

Returns:

Full type information describing the given type