Public Member Functions

org.exolab.castor.mapping.handlers.TransientFieldHandler Class Reference

Inheritance diagram for org.exolab.castor.mapping.handlers.TransientFieldHandler:
org.exolab.castor.mapping.AbstractFieldHandler org.exolab.castor.mapping.ExtendedFieldHandler org.exolab.castor.mapping.loader.FieldHandlerFriend org.exolab.castor.mapping.FieldHandler

List of all members.

Public Member Functions

 TransientFieldHandler ()
Object getValue (Object target)
Object newInstance (Object target)
Object newInstance (Object target, Object[] args)
void setValue (Object target, Object value)
void resetValue (Object target)

Detailed Description

A dummy FieldHandler for "transient" fields. This allows us to create a FieldDescriptor, but not use a real FieldHandler

Author:
kvisco
Revision:
1.1
Date:
2005/01/17 21:35:07

Constructor & Destructor Documentation

org.exolab.castor.mapping.handlers.TransientFieldHandler.TransientFieldHandler (  ) 

Member Function Documentation

Object org.exolab.castor.mapping.handlers.TransientFieldHandler.getValue ( Object  object  )  [virtual]

Returns the value of the field from the object.

Parameters:
object The object
Returns:
The value of the field
Exceptions:
IllegalStateException The Java object has changed and is no longer supported by this handler, or the handler is not compatiable with the Java object

Implements org.exolab.castor.mapping.AbstractFieldHandler.

Object org.exolab.castor.mapping.handlers.TransientFieldHandler.newInstance ( Object  parent  )  [virtual]

Creates a new instance of the object described by this field.

Parameters:
parent The object for which the field is created
Returns:
A new instance of the field's value
Exceptions:
IllegalStateException This field is a simple type and cannot be instantiated

Implements org.exolab.castor.mapping.AbstractFieldHandler.

Object org.exolab.castor.mapping.handlers.TransientFieldHandler.newInstance ( Object  parent,
Object[]  args 
) [virtual]

Creates a new instance of the object described by this field.

Parameters:
parent The object for which the field is created
args the set of constructor arguments
Returns:
A new instance of the field's value
Exceptions:
IllegalStateException This field is a simple type and cannot be instantiated

Implements org.exolab.castor.mapping.AbstractFieldHandler.

void org.exolab.castor.mapping.handlers.TransientFieldHandler.resetValue ( Object  object  )  [virtual]

Sets the value of the field to a default value.

Reference fields are set to null, primitive fields are set to their default value, collection fields are emptied of all elements.

Parameters:
object The object
Exceptions:
IllegalStateException The Java object has changed and is no longer supported by this handler, or the handler is not compatiable with the Java object

Implements org.exolab.castor.mapping.AbstractFieldHandler.

void org.exolab.castor.mapping.handlers.TransientFieldHandler.setValue ( Object  object,
Object  value 
) [virtual]

Sets the value of the field on the object.

Parameters:
object The object
value The new value
Exceptions:
IllegalStateException The Java object has changed and is no longer supported by this handler, or the handler is not compatiable with the Java object IllegalArgumentException The value passed is not of a supported type

Implements org.exolab.castor.mapping.AbstractFieldHandler.

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