org.datanucleus.store.mapped.mapping
Class LocaleMapping

java.lang.Object
  org.datanucleus.store.mapped.mapping.JavaTypeMapping
      org.datanucleus.store.mapped.mapping.SingleFieldMapping
          org.datanucleus.store.mapped.mapping.ObjectAsStringMapping
              org.datanucleus.store.mapped.mapping.LocaleMapping

public class LocaleMapping
extends ObjectAsStringMapping

Mapping for Locale type. Locale should be stored in colums from 2 to 20 characters. Normaly, we will have a string no longer than 5 characters, but variants, in general, are vendor specific and can be longer than expected. The Variant codes are vendor and browser-specific. For example, use WIN for Windows, MAC for Macintosh, and POSIX for POSIX. Where there are two variants, separate them with an underscore, and put the most important one first. For example, a Traditional Spanish collation might construct a locale with parameters for language, country and variant as: "es", "ES", "Traditional_WIN". language_country_variant Examples: "en", "de_DE", "_GB", "en_US_WIN", "de__POSIX", "fr_MAC"

See Also:

Locale

Field Summary

Fields inherited from class org.datanucleus.store.mapped.mapping.JavaTypeMapping

datastoreContainer, datastoreMappings, LOCALISER, mmd, referenceMapping, roleForMember, storeMgr, type

Constructor Summary

LocaleMapping()

Method Summary

int	getDefaultLength(int index) Method to return the default length of this type in the datastore.
java.lang.Class	getJavaType() Method to return the Java type.
java.lang.Object	getSampleValue(ClassLoaderResolver clr) Return a sample value of the mapping type to be used for internal evaluation of type/conversion.
protected java.lang.String	objectToString(java.lang.Object object) Method to set the datastore string value based on the object value.
protected java.lang.Object	stringToObject(java.lang.String datastoreValue) Method to extract the objects value from the datastore string value.

Methods inherited from class org.datanucleus.store.mapped.mapping.ObjectAsStringMapping

getJavaTypeForDatastoreMapping, getObject, newLiteral, newScalarExpression, setObject

Methods inherited from class org.datanucleus.store.mapped.mapping.SingleFieldMapping

equals, getBoolean, getByte, getChar, getDouble, getFloat, getInt, getLong, getShort, getString, getValidValues, initialize, prepareDatastoreMapping, setBoolean, setByte, setChar, setDouble, setFloat, setInt, setLong, setShort, setString

Methods inherited from class org.datanucleus.store.mapped.mapping.JavaTypeMapping

addDatastoreMapping, failureMessage, getColumnMetaDataForMember, getDatastoreContainer, getDatastoreMapping, getDatastoreMappings, getMemberMetaData, getNumberOfDatastoreMappings, getObject, getReferenceMapping, getRoleForMember, getType, getValueForDatastoreMapping, hashCode, hasSimpleDatastoreRepresentation, includeInFetchStatement, includeInInsertStatement, includeInUpdateStatement, initialize, isNullable, isSerialised, setDatastoreContainer, setDefault, setMemberMetaData, setObject, setReferenceMapping, setRoleForMember

Methods inherited from class java.lang.Object

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

Constructor Detail

LocaleMapping

public LocaleMapping()

Method Detail

getSampleValue

public java.lang.Object getSampleValue(ClassLoaderResolver clr)

Description copied from class: JavaTypeMapping

Return a sample value of the mapping type to be used for internal evaluation of type/conversion. TODO Delete when we drop legacy support

Overrides:

getSampleValue in class JavaTypeMapping

Parameters:

clr - ClassLoader resolver

Returns:

The sample value.

getJavaType

public java.lang.Class getJavaType()

Description copied from class: ObjectAsStringMapping

Method to return the Java type.

Specified by:

getJavaType in class ObjectAsStringMapping

Returns:

The Java type being represented.

getDefaultLength

public int getDefaultLength(int index)

Method to return the default length of this type in the datastore. Locales require 20 characters.

Overrides:

getDefaultLength in class SingleFieldMapping

Parameters:

index - The index position

Returns:

The default length

objectToString

protected java.lang.String objectToString(java.lang.Object object)

Method to set the datastore string value based on the object value.

Specified by:

objectToString in class ObjectAsStringMapping

Parameters:

object - The object

Returns:

The string value to pass to the datastore

stringToObject

protected java.lang.Object stringToObject(java.lang.String datastoreValue)

Method to extract the objects value from the datastore string value.

Specified by:

stringToObject in class ObjectAsStringMapping

Parameters:

datastoreValue - Value obtained from the datastore

Returns:

The value of this object (derived from the datastore string value)