org.wildfly.common.ref

Class StrongReference<T,A>

java.lang.Object

org.wildfly.common.ref.StrongReference<T,A>

Type Parameters:

T - the reference value type

A - the attachment type

All Implemented Interfaces:

Reference<T,A>

public class StrongReference<T,A>
extends java.lang.Object
implements Reference<T,A>

A strong reference with an attachment. Since strong references are always reachable, a reaper may not be used.

Author:

David M. Lloyd

Nested Class Summary

Nested classes/interfaces inherited from interface org.wildfly.common.ref.Reference

Reference.Type

Constructor Summary

Constructors

Constructor and Description
StrongReference(T referent) Construct a new instance.
StrongReference(T referent, A attachment) Construct a new instance.

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.
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

StrongReference

public StrongReference(T referent,
                       A attachment)

Construct a new instance.

Parameters:

referent - the referent

attachment - the attachment

StrongReference

public StrongReference(T referent)

Construct a new instance.

Parameters:

referent - the referent

Method Detail

get

public T get()

Description copied from interface: Reference

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

Specified by:

get in interface Reference<T,A>

Returns:

the value

clear

public void clear()

Description copied from interface: Reference

Clear the reference.

Specified by:

clear in interface Reference<T,A>

getAttachment

public A getAttachment()

Description copied from interface: Reference

Get the attachment, if any.

Specified by:

getAttachment in interface Reference<T,A>

Returns:

the attachment

getType

public Reference.Type getType()

Description copied from interface: Reference

Get the type of the reference.

Specified by:

getType in interface Reference<T,A>

Returns:

the type

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object