Constructor Detail

• ValueOfFieldHandler

  public ValueOfFieldHandler(java.lang.Class type)
                      throws MappingException

  Creates a new ValueOfFieldHandler.

  Parameters:

  type - the class type to create the FieldHandler for

  Throws:

  MappingException - if the valueOf method cannot be found

Method Detail

• convertUponGet

  public java.lang.Object convertUponGet(java.lang.Object value)

  This method is used to convert the value when the getValue method is called. The getValue method will obtain the actual field value from given 'parent' object. This convert method is then invoked with the field's value. The value returned from this method will be the actual value returned by getValue method.

  Specified by:

  convertUponGet in class GeneralizedFieldHandler

  Parameters:

  value - the object value to convert after performing a get operation

  Returns:

  the converted value.

• convertUponSet

  public java.lang.Object convertUponSet(java.lang.Object value)

  This method is used to convert the value when the setValue method is called. The setValue method will call this method to obtain the converted value. The converted value will then be used as the value to set for the field.

  Specified by:

  convertUponSet in class GeneralizedFieldHandler

  Parameters:

  value - the object value to convert before performing a set operation

  Returns:

  the converted value.

• getFieldType

  public java.lang.Class getFieldType()

  Returns the class type for the field that this GeneralizedFieldHandler converts to and from. This should be the type that is used in the object model.

  Specified by:

  getFieldType in class GeneralizedFieldHandler

  Returns:

  the class type of of the field

• newInstance

  public java.lang.Object newInstance(java.lang.Object parent)
                               throws java.lang.IllegalStateException

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

  Specified by:

  newInstance in interface FieldHandler

  Overrides:

  newInstance in class GeneralizedFieldHandler

  Parameters:

  parent - The object for which the field is created

  Returns:

  A new instance of the field's value

  Throws:

  java.lang.IllegalStateException - This field is a simple type and cannot be instantiated