Java TableGenerator类代码示例

import org.hibernate.id.enhanced.TableGenerator; //导入依赖的package包/类
protected void setPKColumnGenerator(Mappings mappings, RootClass clazz, Table tab, com.manydesigns.portofino.model.database.Column column, SimpleValue id, Generator generator) {
    if (column.isAutoincrement()) {
        manageIdentityGenerator(mappings, tab, id);
    } else if (generator != null) {
        if (generator instanceof SequenceGenerator) {
            manageSequenceGenerator(mappings, tab, id, (SequenceGenerator) generator);
        } else if (generator instanceof
                            com.manydesigns.portofino.model.database.TableGenerator) {
            manageTableGenerator(mappings, tab, id,
                    (com.manydesigns.portofino.model.database.TableGenerator) generator);
        } else if (generator instanceof
                            com.manydesigns.portofino.model.database.IncrementGenerator){
            manageIncrementGenerator(mappings, tab, id, clazz.getEntityName());
        }
    }
}
 

import org.hibernate.id.enhanced.TableGenerator; //导入依赖的package包/类
private void manageTableGenerator(Mappings mappings, Table tab, SimpleValue id,
                                      com.manydesigns.portofino.model.database.TableGenerator generator) {
    id.setIdentifierGeneratorStrategy("enhanced-table");
    Properties params = new Properties();
    params.put(TableGenerator.TABLE,
                tab);
    params.put(TableGenerator.TABLE_PARAM,
                quoteIdentifier(generator.getTable()));
    params.put(PersistentIdentifierGenerator.IDENTIFIER_NORMALIZER,
                mappings.getObjectNameNormalizer());
    params.put(TableGenerator.SEGMENT_COLUMN_PARAM, quoteIdentifier(generator.getKeyColumn()));
    params.put(TableGenerator.SEGMENT_VALUE_PARAM, generator.getKeyValue());
    params.put(TableGenerator.VALUE_COLUMN_PARAM, quoteIdentifier(generator.getValueColumn()));
    params.setProperty(
                TableGenerator.SCHEMA, quoteIdentifier(tab.getSchema()));
    id.setIdentifierGeneratorProperties(params);
    id.setNullValue(null);
}
 

import org.hibernate.id.enhanced.TableGenerator; //导入依赖的package包/类
private void manageTableGenerator(Mappings mappings, Table tab, SimpleValue id,
                                      com.manydesigns.portofino.model.database.TableGenerator generator) {
    id.setIdentifierGeneratorStrategy("enhanced-table");
    Properties params = new Properties();
    params.put(TableGenerator.TABLE,
                tab);
    params.put(TableGenerator.TABLE_PARAM,
                escapeName(generator.getTable()));
    params.put(PersistentIdentifierGenerator.IDENTIFIER_NORMALIZER,
                mappings.getObjectNameNormalizer());
    params.put(TableGenerator.SEGMENT_COLUMN_PARAM, escapeName(generator.getKeyColumn()));
    params.put(TableGenerator.SEGMENT_VALUE_PARAM, generator.getKeyValue());
    params.put(TableGenerator.VALUE_COLUMN_PARAM,escapeName(generator.getValueColumn()));
    params.setProperty(
                TableGenerator.SCHEMA,escapeName(tab.getSchema()));
    id.setIdentifierGeneratorProperties(params);
    id.setNullValue(null);
}
 

import org.hibernate.id.enhanced.TableGenerator; //导入依赖的package包/类
public void testNormalBoundary() {
	EntityPersister persister = sfi().getEntityPersister( Entity.class.getName() );
	assertClassAssignability( TableGenerator.class, persister.getIdentifierGenerator().getClass() );
	TableGenerator generator = ( TableGenerator ) persister.getIdentifierGenerator();

	int count = 5;
	Entity[] entities = new Entity[count];
	Session s = openSession();
	s.beginTransaction();
	for ( int i = 0; i < count; i++ ) {
		entities[i] = new Entity( "" + ( i + 1 ) );
		s.save( entities[i] );
		long expectedId = i + 1;
		assertEquals( expectedId, entities[i].getId().longValue() );
		assertEquals( expectedId, generator.getTableAccessCount() );
		assertEquals( expectedId, generator.getOptimizer().getLastSourceValue() );
	}
	s.getTransaction().commit();

	s.beginTransaction();
	for ( int i = 0; i < count; i++ ) {
		assertEquals( i + 1, entities[i].getId().intValue() );
		s.delete( entities[i] );
	}
	s.getTransaction().commit();
	s.close();

}
 

import org.hibernate.id.enhanced.TableGenerator; //导入依赖的package包/类
public void testNormalBoundary() {
	EntityPersister persister = sfi().getEntityPersister( Entity.class.getName() );
	assertClassAssignability( TableGenerator.class, persister.getIdentifierGenerator().getClass() );
	TableGenerator generator = ( TableGenerator ) persister.getIdentifierGenerator();
	assertClassAssignability( OptimizerFactory.PooledOptimizer.class, generator.getOptimizer().getClass() );
	OptimizerFactory.PooledOptimizer optimizer = ( OptimizerFactory.PooledOptimizer ) generator.getOptimizer();

	int increment = optimizer.getIncrementSize();
	Entity[] entities = new Entity[ increment + 1 ];
	Session s = openSession();
	s.beginTransaction();
	for ( int i = 0; i < increment; i++ ) {
		entities[i] = new Entity( "" + ( i + 1 ) );
		s.save( entities[i] );
		assertEquals( 2, generator.getTableAccessCount() ); // initialization calls seq twice
		assertEquals( increment + 1, optimizer.getLastSourceValue() ); // initialization calls seq twice
		assertEquals( i + 1, optimizer.getLastValue() );
		assertEquals( increment + 1, optimizer.getLastSourceValue() );
	}
	// now force a "clock over"
	entities[ increment ] = new Entity( "" + increment );
	s.save( entities[ increment ] );
	assertEquals( 3, generator.getTableAccessCount() ); // initialization (2) + clock over
	assertEquals( ( increment * 2 ) + 1, optimizer.getLastSourceValue() ); // initialization (2) + clock over
	assertEquals( increment + 1, optimizer.getLastValue() );
	s.getTransaction().commit();

	s.beginTransaction();
	for ( int i = 0; i < entities.length; i++ ) {
		assertEquals( i + 1, entities[i].getId().intValue() );
		s.delete( entities[i] );
	}
	s.getTransaction().commit();
	s.close();
}
 

import org.hibernate.id.enhanced.TableGenerator; //导入依赖的package包/类
public void testNormalBoundary() {
	EntityPersister persister = sfi().getEntityPersister( Entity.class.getName() );
	assertClassAssignability( TableGenerator.class, persister.getIdentifierGenerator().getClass() );
	TableGenerator generator = ( TableGenerator ) persister.getIdentifierGenerator();
	assertClassAssignability( OptimizerFactory.HiLoOptimizer.class, generator.getOptimizer().getClass() );
	OptimizerFactory.HiLoOptimizer optimizer = ( OptimizerFactory.HiLoOptimizer ) generator.getOptimizer();

	int increment = optimizer.getIncrementSize();
	Entity[] entities = new Entity[ increment + 1 ];
	Session s = openSession();
	s.beginTransaction();
	for ( int i = 0; i < increment; i++ ) {
		entities[i] = new Entity( "" + ( i + 1 ) );
		s.save( entities[i] );
		assertEquals( 1, generator.getTableAccessCount() ); // initialization
		assertEquals( 1, optimizer.getLastSourceValue() ); // initialization
		assertEquals( i + 1, optimizer.getLastValue() );
		assertEquals( increment + 1, optimizer.getHiValue() );
	}
	// now force a "clock over"
	entities[ increment ] = new Entity( "" + increment );
	s.save( entities[ increment ] );
	assertEquals( 2, generator.getTableAccessCount() ); // initialization
	assertEquals( 2, optimizer.getLastSourceValue() ); // initialization
	assertEquals( increment + 1, optimizer.getLastValue() );
	assertEquals( ( increment * 2 ) + 1, optimizer.getHiValue() );

	s.getTransaction().commit();

	s.beginTransaction();
	for ( int i = 0; i < entities.length; i++ ) {
		assertEquals( i + 1, entities[i].getId().intValue() );
		s.delete( entities[i] );
	}
	s.getTransaction().commit();
	s.close();
}
 

import org.hibernate.id.enhanced.TableGenerator; //导入依赖的package包/类
private static void bindTableGenerator(MetadataImplementor metadata, AnnotationInstance generator) {
	String name = JandexHelper.getValue( generator, "name", String.class );
	Map<String, String> parameterMap = new HashMap<String, String>();
	addStringParameter( generator, "catalog", parameterMap, PersistentIdentifierGenerator.CATALOG );
	addStringParameter( generator, "schema", parameterMap, PersistentIdentifierGenerator.SCHEMA );
	boolean useNewIdentifierGenerators = metadata.getOptions().useNewIdentifierGenerators();
	String strategy = EnumConversionHelper.generationTypeToGeneratorStrategyName(
			GenerationType.TABLE,
			useNewIdentifierGenerators
	);
	if ( useNewIdentifierGenerators ) {
		parameterMap.put( TableGenerator.CONFIG_PREFER_SEGMENT_PER_ENTITY, "true" );
		addStringParameter( generator, "table", parameterMap, TableGenerator.TABLE_PARAM );
		addStringParameter( generator, "pkColumnName", parameterMap, TableGenerator.SEGMENT_COLUMN_PARAM );
		addStringParameter( generator, "pkColumnValue", parameterMap, TableGenerator.SEGMENT_VALUE_PARAM );
		addStringParameter( generator, "valueColumnName", parameterMap, TableGenerator.VALUE_COLUMN_PARAM );
		parameterMap.put(
				TableGenerator.INCREMENT_PARAM,
				String.valueOf( JandexHelper.getValue( generator, "allocationSize", String.class ) )
		);
		parameterMap.put(
				TableGenerator.INITIAL_PARAM,
				String.valueOf( JandexHelper.getValue( generator, "initialValue", String.class ) + 1 )
		);
	}
	else {
		addStringParameter( generator, "table", parameterMap, MultipleHiLoPerTableGenerator.ID_TABLE );
		addStringParameter( generator, "pkColumnName", parameterMap, MultipleHiLoPerTableGenerator.PK_COLUMN_NAME );
		addStringParameter( generator, "pkColumnValue", parameterMap, MultipleHiLoPerTableGenerator.PK_VALUE_NAME );
		addStringParameter( generator, "valueColumnName", parameterMap, MultipleHiLoPerTableGenerator.VALUE_COLUMN_NAME );
		parameterMap.put(
				TableHiLoGenerator.MAX_LO,
				String.valueOf( JandexHelper.getValue( generator, "allocationSize", Integer.class ) - 1 )
		);
	}
	if ( JandexHelper.getValue( generator, "uniqueConstraints", AnnotationInstance[].class ).length > 0 ) {
		LOG.ignoringTableGeneratorConstraints( name );
	}
	metadata.addIdGenerator( new IdGenerator( name, strategy, parameterMap ) );
	LOG.tracef( "Add table generator with name: %s", name );
}
 

import org.hibernate.id.enhanced.TableGenerator; //导入依赖的package包/类
/**
 * Constructs a new DefaultIdentifierGeneratorFactory.
 */
public DefaultIdentifierGeneratorFactory() {
	register( "uuid2", UUIDGenerator.class );
	register( "guid", GUIDGenerator.class );			// can be done with UUIDGenerator + strategy
	register( "uuid", UUIDHexGenerator.class );			// "deprecated" for new use
	register( "uuid.hex", UUIDHexGenerator.class ); 	// uuid.hex is deprecated
	register( "hilo", TableHiLoGenerator.class );
	register( "assigned", Assigned.class );
	register( "identity", IdentityGenerator.class );
	register( "select", SelectGenerator.class );
	register( "sequence", SequenceGenerator.class );
	register( "seqhilo", SequenceHiLoGenerator.class );
	register( "increment", IncrementGenerator.class );
	register( "foreign", ForeignGenerator.class );
	register( "sequence-identity", SequenceIdentityGenerator.class );
	register( "enhanced-sequence", SequenceStyleGenerator.class );
	register( "enhanced-table", TableGenerator.class );
}