/* * Created on Nov 25, 2004 * */package org.springframework.samples.petclinic.toplink;import oracle.toplink.internal.databaseaccess.HSQLPlatform;import oracle.toplink.queryframework.ValueReadQuery;/** * Subclass of TopLink's default HSQLPlatform class, * using native HSQLDB identity columns for id generation. * <b>Only works on TopLink 10.1.3 and higher.</b> * * <p>Necessary for PetClinic's default data model, which relies on * identity columns: this is uniformly used across all persistence * layer implementations (JDBC, Hibernate, OJB, and TopLink). * * @author Juergen Hoeller * @author <a href="mailto:james.x.clark@oracle.com">James Clark</a> * @since 1.2 */public class HSQLPlatformWithNativeSequence extends HSQLPlatform {	public HSQLPlatformWithNativeSequence() {		setUsesNativeSequencing(true);	}	public boolean supportsNativeSequenceNumbers() {		return true;	}	public boolean shouldNativeSequenceAcquireValueAfterInsert() {		return true;	}	public ValueReadQuery buildSelectQueryForNativeSequence() {		return new ValueReadQuery("CALL IDENTITY()");	}}