/*
 * Hibernate, Relational Persistence for Idiomatic Java
 *
 * Copyright (c) 2011, Red Hat Inc. or third-party contributors as
 * indicated by the @author tags or express copyright attribution
 * statements applied by the authors.  All third-party contributions are
 * distributed under license by Red Hat Inc.
 *
 * This copyrighted material is made available to anyone wishing to use, modify,
 * copy, or redistribute it subject to the terms and conditions of the GNU
 * Lesser General Public License, as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
 * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License
 * for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this distribution; if not, write to:
 * Free Software Foundation, Inc.
 * 51 Franklin Street, Fifth Floor
 * Boston, MA  02110-1301  USA
 */
package org.hibernate.metamodel.relational;

import java.util.HashSet;
import java.util.Set;
import java.util.UUID;
import java.util.concurrent.atomic.AtomicInteger;

import org.hibernate.dialect.Dialect;

Convenience base class for AuxiliaryDatabaseObjects.

This implementation performs dialect scoping checks strictly based on dialect name comparisons. Custom implementations might want to do instanceof-type checks.
Author:Steve Ebersole
/** * Convenience base class for {@link org.hibernate.mapping.AuxiliaryDatabaseObject}s. * <p/> * This implementation performs dialect scoping checks strictly based on * dialect name comparisons. Custom implementations might want to do * instanceof-type checks. * * @author Steve Ebersole */
public abstract class AbstractAuxiliaryDatabaseObject implements AuxiliaryDatabaseObject { // Use a UUID in identifier prefix because this object is not qualified by a schema/catalog // (not sure this matters...) private static final String EXPORT_IDENTIFIER_PREFIX = "auxiliary-object-" + UUID.randomUUID(); private static final AtomicInteger counter = new AtomicInteger( 0 ); private final String exportIdentifier; private final Set<String> dialectScopes; protected AbstractAuxiliaryDatabaseObject(Set<String> dialectScopes) { this.dialectScopes = dialectScopes == null ? new HashSet<String>() : dialectScopes; this.exportIdentifier = new StringBuilder( EXPORT_IDENTIFIER_PREFIX ) .append( '.' ) .append( counter.getAndIncrement() ) .toString(); } public void addDialectScope(String dialectName) { dialectScopes.add( dialectName ); } public Iterable<String> getDialectScopes() { return dialectScopes; } public boolean appliesToDialect(Dialect dialect) { // empty means no scoping return dialectScopes.isEmpty() || dialectScopes.contains( dialect.getClass().getName() ); } @Override public String getExportIdentifier() { return exportIdentifier; } }