org.eclipse.persistence.mappings.transformers
Class MethodBasedFieldTransformer
java.lang.Object
org.eclipse.persistence.mappings.transformers.MethodBasedFieldTransformer
- All Implemented Interfaces:
- Serializable, FieldTransformer
public class MethodBasedFieldTransformer
- extends Object
- implements FieldTransformer
- Since:
- 10
This class is used to preserve the old method of doing Field Transformations
on a transformation mapping. It is used internally when the older API is used on
a TransformationMapping, and handles doing invocations on the user's domain class
- Version:
- $Header: MethodBasedFieldTransformer.java 18-sep-2006.16:20:59 gyorke Exp $
- Author:
- mmacivor
- See Also:
- Serialized Form
MethodBasedFieldTransformer
public MethodBasedFieldTransformer(String methodName)
initialize
public void initialize(AbstractTransformationMapping mapping)
- Description copied from interface:
FieldTransformer
- Initialize this transformer. Only required if the user needs some special
information from the mapping in order to do the transformation
- Specified by:
initialize
in interface FieldTransformer
- Parameters:
mapping
- - the mapping this transformer is associated with.
getFieldType
public Class getFieldType()
- Return the Java class type of the field value.
This uses the method return type.
buildFieldValue
public Object buildFieldValue(Object object,
String fieldName,
Session session)
- Specified by:
buildFieldValue
in interface FieldTransformer
- Parameters:
object
- - an instance of the domain class which contains the attributefieldName
- - the name of the field being transformed. Used if the user wants to use this transformer for multiple fields.session
- - the current session
- Returns:
- - The value to be written for the field associated with this transformer
getMethodName
public String getMethodName()
setMethodName
public void setMethodName(String name)