org.apache.tapestry5.internal.util

Class Holder<T>

java.lang.Object

org.apache.tapestry5.internal.util.Holder<T>

Type Parameters:

T -

public class Holder<T>
extends Object

An object that holds some type of other object. This is useful for communicating information from an inner class (used as a closure) to the containing method. This is similar to AtomicReference, except that it is simpler but not thread safe.

Constructor Summary

Constructors

Constructor and Description
Holder()

Method Summary

Modifier and Type	Method and Description
static <T> Holder<T>	create()
static <T> Holder<T>	create(T initial)
T	get()
boolean	hasValue()
void	put(T object)

Methods inherited from class java.lang.Object

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

Constructor Detail

Holder

public Holder()

Method Detail

put

public void put(T object)

get

public T get()

hasValue

public boolean hasValue()

create

public static <T> Holder<T> create()

create

public static <T> Holder<T> create(T initial)