Package cz.cvut.kbss.jopa.oom.converter

Class DefaultConverterWrapper

java.lang.Object

cz.cvut.kbss.jopa.oom.converter.DefaultConverterWrapper

All Implemented Interfaces:

AttributeConverter<Object,Object>, ConverterWrapper<Object,Object>

public final class DefaultConverterWrapper
extends Object
implements ConverterWrapper<Object,Object>

Default converter implementing identity function - it just returns the provided argument.

Field Summary

Fields

Modifier and Type	Field	Description
static final DefaultConverterWrapper	INSTANCE

Method Summary

Modifier and Type	Method	Description
Object	convertToAttribute(Object value)	Converts the data stored in the repository into the value to be stored in the entity attribute.
Object	convertToAxiomValue(Object value)	Converts the value stored in the entity attribute into the data representation to be stored in the repository and supported by the OntoDriver API.
boolean	supportsAxiomValueType(Class<?> type)	Checks whether the wrapped converter supports converting the specified axiom value type.

Methods inherited from class java.lang.Object

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

Field Details

INSTANCE

public static final DefaultConverterWrapper INSTANCE

Method Details

supportsAxiomValueType

public boolean supportsAxiomValueType(Class<?> type)

Description copied from interface: ConverterWrapper

Checks whether the wrapped converter supports converting the specified axiom value type.

Specified by:

supportsAxiomValueType in interface ConverterWrapper<Object,Object>

Parameters:

type - Axiom value type

Returns:

Whether the type is supported by this wrapper

convertToAxiomValue

public Object convertToAxiomValue(Object value)

Description copied from interface: AttributeConverter

Converts the value stored in the entity attribute into the data representation to be stored in the repository and supported by the OntoDriver API.

Specified by:

convertToAxiomValue in interface AttributeConverter<Object,Object>

Parameters:

value - Value to convert

Returns:

Converted data

convertToAttribute

public Object convertToAttribute(Object value)

Description copied from interface: AttributeConverter

Converts the data stored in the repository into the value to be stored in the entity attribute.

Note that it is the responsibility of the converter writer to specify the correct value type for the corresponding value for use by the OntoDriver: i.e., persistence providers are not expected to do such type conversion.

Specified by:

convertToAttribute in interface AttributeConverter<Object,Object>

Parameters:

value - Value to convert

Returns:

Converted data