org.wildfly.common.ref

Interface Reference<T,A>

Type Parameters:

T - the reference value type

A - the attachment type

All Known Implementing Classes:

PhantomReference, SoftReference, StrongReference, WeakReference

public interface Reference<T,A>

An enhanced reference type with a type-safe attachment.

Author:

David M. Lloyd

See Also:

Reference

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static class	Reference.Type A reference type.

Method Summary

Modifier and Type	Method and Description
void	clear() Clear the reference.
T	get() Get the value, or null if the reference has been cleared.
A	getAttachment() Get the attachment, if any.
Reference.Type	getType() Get the type of the reference.

Method Detail

get

T get()

Get the value, or null if the reference has been cleared.

Returns:

the value

getAttachment

A getAttachment()

Get the attachment, if any.

Returns:

the attachment

clear

void clear()

Clear the reference.

getType

Reference.Type getType()

Get the type of the reference.

Returns:

the type