org.jboss.msc.value

Class ThreadLocalValue<T>

java.lang.Object

org.jboss.msc.value.ThreadLocalValue<T>

Type Parameters:

T - the value type

All Implemented Interfaces:

Value<T>

public final class ThreadLocalValue<T>
extends java.lang.Object
implements Value<T>

A thread-local value. Used to pass values in special situations.

Field Summary

Fields

Modifier and Type	Field and Description
private java.lang.ThreadLocal<Value<? extends T>>	threadLocal

Constructor Summary

Constructors

Constructor and Description
ThreadLocalValue() Construct a new instance.

Method Summary

Modifier and Type	Method and Description
Value<? extends T>	getAndSetValue(Value<? extends T> newValue) Get and set the value.
T	getValue() Get the actual value.
void	setValue(Value<? extends T> newValue) Set this value, replacing any current value.

Methods inherited from class java.lang.Object

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

Field Detail

threadLocal

private final java.lang.ThreadLocal<Value<? extends T>> threadLocal

Constructor Detail

ThreadLocalValue

public ThreadLocalValue()

Construct a new instance.

Method Detail

getValue

public T getValue()

Get the actual value.

Specified by:

getValue in interface Value<T>

Returns:

the actual value

setValue

public void setValue(Value<? extends T> newValue)

Set this value, replacing any current value.

Parameters:

newValue - the new value to set

getAndSetValue

public Value<? extends T> getAndSetValue(Value<? extends T> newValue)

Get and set the value. Returns the old value so it can be restored later on (typically in a finally block).

Parameters:

newValue - the new value

Returns:

the old value