com.gridsystems.nextgrid.api.pom.ref
Class ScalarReference<E>

java.lang.Object
  com.gridsystems.nextgrid.api.pom.ref.ReferenceSupport<E>
      com.gridsystems.nextgrid.api.pom.ref.ScalarReference<E>

Type Parameters:

E - The scalar type

All Implemented Interfaces:

java.io.Serializable, java.lang.Cloneable, nextgrid.api.pom.Reference<E>

Direct Known Subclasses:

BooleanReference, LongReference, NumberReference, StringReference

public class ScalarReference<E>
extends ReferenceSupport<E>

Scalar References are references to workflow local values (e.g. simple parameters).

The value is wrapped in an XML document with the following layout:

 <value>
   [value string representation]
 </value>
 

Author:

Rodrigo Ruiz

See Also:

Serialized Form

Field Summary

Fields inherited from class com.gridsystems.nextgrid.api.pom.ref.ReferenceSupport

LOG

Constructor Summary

ScalarReference(java.lang.Class<E> type)
Creates a new instance.

ScalarReference(java.lang.Class<E> type, E value)
Creates a new instance.

Method Summary

boolean	canCastFrom(java.lang.Class<?> type)
boolean	canCastTo(java.lang.Class<?> type)
java.lang.Object	castTo(java.lang.Class<?> type)
E	getValue()
java.lang.Class<E>	getValueType()
void	setValue(java.lang.Object value)

Methods inherited from class com.gridsystems.nextgrid.api.pom.ref.ReferenceSupport

addReader, addWriter, clearLinks, copy, dispose, getReaders, getWriters, isAvailable, readLock, removeReader, removeWriter, reset, setAvailable, waitAvailable, writeLock

Methods inherited from class java.lang.Object

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

Constructor Detail

ScalarReference

public ScalarReference(java.lang.Class<E> type)

Creates a new instance.

Parameters:

type - A class instance for returning value types

ScalarReference

public ScalarReference(java.lang.Class<E> type,
                       E value)

Creates a new instance.

Parameters:

type - A class instance for returning value types

value - An object instance

Method Detail

setValue

public final void setValue(java.lang.Object value)

getValue

public final E getValue()

getValueType

public final java.lang.Class<E> getValueType()

canCastTo

public boolean canCastTo(java.lang.Class<?> type)

canCastFrom

public boolean canCastFrom(java.lang.Class<?> type)

castTo

public java.lang.Object castTo(java.lang.Class<?> type)