| Name | Description | Type | Package | Framework |
| AttributeTransformer | Interface | org.eclipse.persistence.mappings.transformers | EclipseLink | |
| AttributeTransformerAdapter | Purpose: Provides an empty implementation of AttributeTransformer. | Class | org.eclipse.persistence.mappings.transformers | EclipseLink |
| ConstantTransformer | Purpose: Allows a field to always be mapped to a constant value. | Class | org.eclipse.persistence.mappings.transformers | EclipseLink |
| FieldTransformer | This interface is used by the Transformation Mapping to build the value for a specific field. | Interface | org.eclipse.persistence.mappings.transformers | EclipseLink |
| FieldTransformerAdapter | Purpose: Provides an empty implementation of FieldTransformer. | Class | org.eclipse.persistence.mappings.transformers | EclipseLink |
| MethodBasedAttributeTransformer | Class | org.eclipse.persistence.mappings.transformers | EclipseLink | |
| MethodBasedFieldTransformer | Class | org.eclipse.persistence.mappings.transformers | EclipseLink | |