@Override
public void configure(
Type type, Properties params, Dialect dialect, ClassLoaderService classLoaderService)
throws MappingException {
this.identifierType = type;
boolean forceTableUse = ConfigurationHelper.getBoolean(FORCE_TBL_PARAM, params, false);
final ObjectName qualifiedSequenceName = determineSequenceName(params, dialect);
final String sequenceNameText = qualifiedSequenceName.toText(dialect);
final int initialValue = determineInitialValue(params);
int incrementSize = determineIncrementSize(params);
final String optimizationStrategy = determineOptimizationStrategy(params, incrementSize);
incrementSize = determineAdjustedIncrementSize(optimizationStrategy, incrementSize);
if (dialect.supportsSequences() && !forceTableUse) {
if (!dialect.supportsPooledSequences()
&& OptimizerFactory.isPooledOptimizer(optimizationStrategy)) {
forceTableUse = true;
LOG.forcingTableUse();
}
}
this.databaseStructure =
buildDatabaseStructure(
type,
params,
dialect,
forceTableUse,
qualifiedSequenceName,
initialValue,
incrementSize);
this.optimizer =
OptimizerFactory.buildOptimizer(
optimizationStrategy,
identifierType.getReturnedClass(),
incrementSize,
ConfigurationHelper.getInt(INITIAL_PARAM, params, -1),
classLoaderService);
this.databaseStructure.prepare(optimizer);
}
/**
* Determine the name of the sequence (or table if this resolves to a physical table) to use.
*
* <p>Called during {@link #configure configuration}.
*
* @param params The params supplied in the generator config (plus some standard useful extras).
* @param dialect The dialect in effect
* @return The sequence name
*/
protected ObjectName determineSequenceName(Properties params, Dialect dialect) {
String sequencePerEntitySuffix =
ConfigurationHelper.getString(
CONFIG_SEQUENCE_PER_ENTITY_SUFFIX, params, DEF_SEQUENCE_SUFFIX);
// JPA_ENTITY_NAME value honors <class ... entity-name="..."> (HBM) and @Entity#name (JPA)
// overrides.
String sequenceName =
ConfigurationHelper.getBoolean(CONFIG_PREFER_SEQUENCE_PER_ENTITY, params, false)
? params.getProperty(JPA_ENTITY_NAME) + sequencePerEntitySuffix
: DEF_SEQUENCE_NAME;
final ObjectNameNormalizer normalizer =
(ObjectNameNormalizer) params.get(IDENTIFIER_NORMALIZER);
sequenceName =
normalizer.normalizeIdentifierQuoting(
ConfigurationHelper.getString(SEQUENCE_PARAM, params, sequenceName));
if (sequenceName.indexOf('.') < 0) {
final String schemaName = normalizer.normalizeIdentifierQuoting(params.getProperty(SCHEMA));
final String catalogName = normalizer.normalizeIdentifierQuoting(params.getProperty(CATALOG));
return new ObjectName(catalogName, schemaName, sequenceName);
} else {
return ObjectName.parse(sequenceName);
}
}