org.datanucleus.api.jdo

Class JDOTypeConverterUtils

java.lang.Object

org.datanucleus.api.jdo.JDOTypeConverterUtils

public class JDOTypeConverterUtils
extends Object

Convenience methods for handling AttributeConverters.

Constructor Summary

Constructors

Constructor and Description
JDOTypeConverterUtils()

Method Summary

Modifier and Type	Method and Description
static javax.jdo.AttributeConverter	createAttributeConverter(org.datanucleus.NucleusContext nucCtx, Class converterCls)
static Class	getAttributeTypeForAttributeConverter(Class<? extends javax.jdo.AttributeConverter> converterCls, Class attrTypeFallback) Convenience method that takes the class of an AttributeConverter class, and returns the attribute type that it is for.
static Class	getDatastoreTypeForAttributeConverter(Class<? extends javax.jdo.AttributeConverter> converterCls, Class attrType, Class dbTypeFallback) Convenience method that takes the class of an AttributeConverter class, and returns the datastore type that it is for.

Methods inherited from class java.lang.Object

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

Constructor Detail

JDOTypeConverterUtils

public JDOTypeConverterUtils()

Method Detail

getAttributeTypeForAttributeConverter

public static Class getAttributeTypeForAttributeConverter(Class<? extends javax.jdo.AttributeConverter> converterCls,
                                                          Class attrTypeFallback)

Convenience method that takes the class of an AttributeConverter class, and returns the attribute type that it is for.

Parameters:

converterCls - The converter class

attrTypeFallback - The fallback to return if the attribute type is not found

Returns:

The attribute type for this converter

getDatastoreTypeForAttributeConverter

public static Class getDatastoreTypeForAttributeConverter(Class<? extends javax.jdo.AttributeConverter> converterCls,
                                                          Class attrType,
                                                          Class dbTypeFallback)

Convenience method that takes the class of an AttributeConverter class, and returns the datastore type that it is for.

Parameters:

converterCls - The converter class

attrType - Type for the attribute

dbTypeFallback - The fallback to return if the datastore type is not found

Returns:

The datastore type for this converter

createAttributeConverter

public static javax.jdo.AttributeConverter createAttributeConverter(org.datanucleus.NucleusContext nucCtx,
                                                                    Class converterCls)