org.jboss.msc.value

Class FieldValue<T>

java.lang.Object

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

Type Parameters:

T - the value type

All Implemented Interfaces:

Value<T>

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

A value which reads a field of an object.

Field Summary

Fields

Modifier and Type	Field and Description
private java.lang.reflect.Field	field
private Value<?>	targetValue

Constructor Summary

Constructors

Constructor and Description
FieldValue(java.lang.reflect.Field field, Value<?> targetValue) 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

Field Detail

field

private final java.lang.reflect.Field field

targetValue

private final Value<?> targetValue

Constructor Detail

FieldValue

public FieldValue(java.lang.reflect.Field field,
                  Value<?> targetValue)

Construct a new instance.

Parameters:

field - the field to access

targetValue - the target object containing the field

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.