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 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

ConstructedValue(Value<Constructor<T>> constructorValue, List<? extends Value<?>> parameters)
Construct a new instance.

Method Summary

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(Value<Constructor<T>> constructorValue,
                        List<? extends Value<?>> parameters)

Construct a new instance.

Parameters:

constructorValue - the constructor to use

parameters - the parameters ot pass to the constructor

Method Detail

getValue

public T getValue()
           throws IllegalStateException

Get the actual value.

Specified by:

getValue in interface Value<T>

Returns:

the actual value

Throws:

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