org.datanucleus.store.mapped.identifier
Class JPOXIdentifierFactory

java.lang.Object
  org.datanucleus.store.mapped.identifier.AbstractIdentifierFactory
      org.datanucleus.store.mapped.identifier.DNIdentifierFactory
          org.datanucleus.store.mapped.identifier.JPOXIdentifierFactory

All Implemented Interfaces:

IdentifierFactory

public class JPOXIdentifierFactory
extends DNIdentifierFactory

Field Summary

Fields inherited from class org.datanucleus.store.mapped.identifier.DNIdentifierFactory

tablePrefix, tableSuffix

Fields inherited from class org.datanucleus.store.mapped.identifier.AbstractIdentifierFactory

candidates, CASE_LOWER, CASE_PRESERVE, CASE_UPPER, clr, columns, dba, defaultCatalogName, defaultSchemaName, foreignkeys, identifierCase, indexes, LOCALISER, primarykeys, quoteString, rdba, references, sequences, tables, wordSeparator

Constructor Summary

JPOXIdentifierFactory(DatastoreAdapter dba, ClassLoaderResolver clr, java.util.Map props)

Method Summary

protected java.lang.String

truncate(java.lang.String identifier, int length) Method to truncate an identifier to fit within the specified identifier length.

Methods inherited from class org.datanucleus.store.mapped.identifier.DNIdentifierFactory

generateIdentifierNameForJavaName, getColumnIdentifierSuffix, newAdapterIndexFieldIdentifier, newDatastoreContainerIdentifier, newDatastoreContainerIdentifier, newDiscriminatorFieldIdentifier, newForeignKeyFieldIdentifier, newIndexFieldIdentifier, newJoinTableFieldIdentifier, newReferenceFieldIdentifier, newVersionFieldIdentifier

Methods inherited from class org.datanucleus.store.mapped.identifier.AbstractIdentifierFactory

getDatastoreAdapter, getIdentifierCase, getIdentifierInAdapterCase, getIdentifierNamePartsFromName, getWordSeparator, newCandidateKeyIdentifier, newDatastoreContainerIdentifier, newDatastoreFieldIdentifier, newDatastoreFieldIdentifier, newForeignKeyIdentifier, newIdentifier, newIdentifier, newIndexIdentifier, newPrimaryKeyIdentifier, newSequenceIdentifier, setCatalogSchemaForTable

Methods inherited from class java.lang.Object

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

Constructor Detail

JPOXIdentifierFactory

public JPOXIdentifierFactory(DatastoreAdapter dba,
                             ClassLoaderResolver clr,
                             java.util.Map props)

Method Detail

truncate

protected java.lang.String truncate(java.lang.String identifier,
                                    int length)

Method to truncate an identifier to fit within the specified identifier length. If truncation is necessary will use a 2 char hashcode (at the end) to attempt to create uniqueness.

Overrides:

truncate in class AbstractIdentifierFactory

Parameters:

identifier - The identifier

length - The (max) length to use

Returns:

The truncated identifier.