org.jboss.msc.value

Class ConstructedValue<T>

java.lang.Object

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

Type Parameters:

T - the value type

All Implemented Interfaces:

Value<T>

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

A value which is created on demand from a constructor. Each call to getValue() will create a new instance, so if the same instance should be returned, this should be used in conjunction with CachedValue.

Author:

David M. Lloyd

Constructor Summary

Constructors

Constructor and Description
ConstructedValue(java.lang.reflect.Constructor<T> constructor, java.util.List<? extends Value<?>> parameters) Construct a new instance.

Method Summary

Modifier and Type	Method and Description
T	getValue() Get the actual value.

Methods inherited from class java.lang.Object

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

Constructor Detail

ConstructedValue

public ConstructedValue(java.lang.reflect.Constructor<T> constructor,
                        java.util.List<? extends Value<?>> parameters)

Construct a new instance.

Parameters:

constructor - the constructor to use

parameters - the parameters to pass to the constructor

Method Detail

getValue

public T getValue()
           throws java.lang.IllegalStateException

Get the actual value.

Specified by:

getValue in interface Value<T>

Returns:

the actual value

Throws:

java.lang.IllegalStateException - if the value is time-sensitive and the current state does not allow retrieval.