Examples with DNIdentifierFactory org.datanucleus.store.rdbms.identifier.DNIdentifierFactory used on opensource projects

Example 1 with DNIdentifierFactory

use of org.datanucleus.store.rdbms.identifier.DNIdentifierFactory in project datanucleus-rdbms by datanucleus.

the class RDBMSStoreManager method initialiseIdentifierFactory.

/**
 * Method to create the IdentifierFactory to be used by this store.
 * Relies on the datastore adapter existing before creation
 * @param nucleusContext context
 */
protected void initialiseIdentifierFactory(NucleusContext nucleusContext) {
    if (dba == null) {
        throw new NucleusException("DatastoreAdapter not yet created so cannot create IdentifierFactory!");
    }
    String idFactoryName = getStringProperty(PropertyNames.PROPERTY_IDENTIFIER_FACTORY);
    try {
        // Create the control properties for identifier generation
        Map props = new HashMap();
        if (catalogName != null) {
            props.put("DefaultCatalog", catalogName);
        }
        if (schemaName != null) {
            props.put("DefaultSchema", schemaName);
        }
        String val = getStringProperty(PropertyNames.PROPERTY_IDENTIFIER_CASE);
        props.put("RequiredCase", val != null ? val : getDefaultIdentifierCase());
        val = getStringProperty(PropertyNames.PROPERTY_IDENTIFIER_WORD_SEPARATOR);
        if (val != null) {
            props.put("WordSeparator", val);
        }
        val = getStringProperty(PropertyNames.PROPERTY_IDENTIFIER_TABLE_PREFIX);
        if (val != null) {
            props.put("TablePrefix", val);
        }
        val = getStringProperty(PropertyNames.PROPERTY_IDENTIFIER_TABLE_SUFFIX);
        if (val != null) {
            props.put("TableSuffix", val);
        }
        props.put("NamingFactory", getNamingFactory());
        // Create the IdentifierFactory
        ClassLoaderResolver clr = nucleusContext.getClassLoaderResolver(null);
        if ("datanucleus2".equalsIgnoreCase(idFactoryName)) {
            identifierFactory = new DN2IdentifierFactory(dba, clr, props);
        } else if ("jpa".equalsIgnoreCase(idFactoryName)) {
            identifierFactory = new JPAIdentifierFactory(dba, clr, props);
        } else if ("datanucleus1".equalsIgnoreCase(idFactoryName)) {
            identifierFactory = new DNIdentifierFactory(dba, clr, props);
        } else if ("jpox".equalsIgnoreCase(idFactoryName)) {
            identifierFactory = new JPOXIdentifierFactory(dba, clr, props);
        } else {
            // Fallback to the plugin mechanism
            Class[] argTypes = new Class[] { DatastoreAdapter.class, ClassConstants.CLASS_LOADER_RESOLVER, Map.class };
            Object[] args = new Object[] { dba, nucleusContext.getClassLoaderResolver(null), props };
            identifierFactory = (IdentifierFactory) nucleusContext.getPluginManager().createExecutableExtension("org.datanucleus.store.rdbms.identifierfactory", "name", idFactoryName, "class-name", argTypes, args);
        }
    } catch (ClassNotFoundException cnfe) {
        throw new NucleusUserException(Localiser.msg("039004", idFactoryName), cnfe).setFatal();
    } catch (Exception e) {
        NucleusLogger.PERSISTENCE.error("Exception creating IdentifierFactory", e);
        throw new NucleusException(Localiser.msg("039005", idFactoryName), e).setFatal();
    }
}