org.glassfish.hk2.api

Class TypeLiteral<T>

java.lang.Object

org.glassfish.hk2.api.TypeLiteral<T>

Type Parameters:

T -

public abstract class TypeLiteral<T>
extends java.lang.Object

Supports inline instantiation of objects that represent parameterized types with actual type parameters. An object that represents any parameterized type may be obtained by subclassing TypeLiteral.

  TypeLiteral<List<String>> stringListType = new TypeLiteral<List<String>>() {};
 

Field Summary

Fields

Modifier and Type	Field and Description
private java.lang.Class<T>	rawType Store the actual raw parameter type.
private java.lang.reflect.Type	type Store the actual type (direct subclass of TypeLiteral).

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	TypeLiteral()

Method Summary

Modifier and Type	Method and Description
boolean	equals(java.lang.Object obj)
java.lang.reflect.Type[]	getParameterTypes() Gets the types associated with this literal
java.lang.Class<T>	getRawType()
static java.lang.Class<?>	getRawType(java.lang.reflect.Type type) Gets the base associated class from this type
java.lang.reflect.Type	getType()
private static java.lang.Class<?>	getTypeLiteralSubclass(java.lang.Class<?> clazz) Return the direct child class that extends TypeLiteral
private static java.lang.reflect.Type	getTypeParameter(java.lang.Class<?> typeLiteralSubclass) Return the value of the type parameter of TypeLiteral.
int	hashCode()
java.lang.String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

type

private transient java.lang.reflect.Type type

Store the actual type (direct subclass of TypeLiteral).

rawType

private transient java.lang.Class<T> rawType

Store the actual raw parameter type.

Constructor Detail

TypeLiteral

protected TypeLiteral()

Method Detail

getType

public final java.lang.reflect.Type getType()

Returns:

the actual type represented by this object

getParameterTypes

public final java.lang.reflect.Type[] getParameterTypes()

Gets the types associated with this literal

Returns:

A non-null (but possibly empty) array of types associated with this literal

getRawType

public final java.lang.Class<T> getRawType()

Returns:

the raw type represented by this object

getRawType

public static java.lang.Class<?> getRawType(java.lang.reflect.Type type)

Gets the base associated class from this type

Parameters:

type - The non-null type to analyze

Returns:

The base class for the type, or null if there is none (e.g., Wildcard)

getTypeLiteralSubclass

private static java.lang.Class<?> getTypeLiteralSubclass(java.lang.Class<?> clazz)

Return the direct child class that extends TypeLiteral

Parameters:

clazz - processed class

getTypeParameter

private static java.lang.reflect.Type getTypeParameter(java.lang.Class<?> typeLiteralSubclass)

Return the value of the type parameter of TypeLiteral.

Parameters:

typeLiteralSubclass - subClass of TypeLiteral to analyze

Returns:

the parametrized type of TypeLiteral (aka T)

equals

public boolean equals(java.lang.Object obj)

Overrides:

equals in class java.lang.Object

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object