/*
 * 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.source.hbm;

import java.util.List;
import java.util.Map;

import org.hibernate.internal.jaxb.mapping.hbm.JaxbHibernateMapping;
import org.hibernate.internal.util.ValueHolder;
import org.hibernate.mapping.PropertyGeneration;
import org.hibernate.metamodel.source.LocalBindingContext;
import org.hibernate.metamodel.source.MappingException;
import org.hibernate.metamodel.source.binder.ExplicitHibernateTypeSource;
import org.hibernate.metamodel.source.binder.MetaAttributeSource;
import org.hibernate.metamodel.source.binder.RelationalValueSource;
import org.hibernate.metamodel.source.binder.SingularAttributeNature;
import org.hibernate.metamodel.source.binder.SingularAttributeSource;

Implementation for <version/> mappings
Author:Steve Ebersole
/** * Implementation for {@code <version/>} mappings * * @author Steve Ebersole */
class VersionAttributeSourceImpl implements SingularAttributeSource { private final JaxbHibernateMapping.JaxbClass.JaxbVersion versionElement; private final LocalBindingContext bindingContext; private final List<RelationalValueSource> valueSources; VersionAttributeSourceImpl( final JaxbHibernateMapping.JaxbClass.JaxbVersion versionElement, LocalBindingContext bindingContext) { this.versionElement = versionElement; this.bindingContext = bindingContext; this.valueSources = Helper.buildValueSources( new Helper.ValueSourcesAdapter() { @Override public String getColumnAttribute() { return versionElement.getColumnAttribute(); } @Override public String getFormulaAttribute() { return null; } @Override public List getColumnOrFormulaElements() { return versionElement.getColumn(); } @Override public String getContainingTableName() { // by definition the version should come from the primary table of the root entity. return null; } @Override public boolean isIncludedInInsertByDefault() { return Helper.getBooleanValue( versionElement.isInsert(), true ); } @Override public boolean isIncludedInUpdateByDefault() { return true; } }, bindingContext ); } private final ExplicitHibernateTypeSource typeSource = new ExplicitHibernateTypeSource() { @Override public String getName() { return versionElement.getType() == null ? "integer" : versionElement.getType(); } @Override public Map<String, String> getParameters() { return null; } }; @Override public String getName() { return versionElement.getName(); } @Override public ExplicitHibernateTypeSource getTypeInformation() { return typeSource; } @Override public String getPropertyAccessorName() { return versionElement.getAccess(); } @Override public boolean isInsertable() { return Helper.getBooleanValue( versionElement.isInsert(), true ); } @Override public boolean isUpdatable() { return true; } private ValueHolder<PropertyGeneration> propertyGenerationValue = new ValueHolder<PropertyGeneration>( new ValueHolder.DeferredInitializer<PropertyGeneration>() { @Override public PropertyGeneration initialize() { final PropertyGeneration propertyGeneration = versionElement.getGenerated() == null ? PropertyGeneration.NEVER : PropertyGeneration.parse( versionElement.getGenerated().value() ); if ( propertyGeneration == PropertyGeneration.INSERT ) { throw new MappingException( "'generated' attribute cannot be 'insert' for versioning property", bindingContext.getOrigin() ); } return propertyGeneration; } } ); @Override public PropertyGeneration getGeneration() { return propertyGenerationValue.getValue(); } @Override public boolean isLazy() { return false; } @Override public boolean isIncludedInOptimisticLocking() { return false; } @Override public SingularAttributeNature getNature() { return SingularAttributeNature.BASIC; } @Override public boolean isVirtualAttribute() { return false; } @Override public boolean areValuesIncludedInInsertByDefault() { return true; } @Override public boolean areValuesIncludedInUpdateByDefault() { return true; } @Override public boolean areValuesNullableByDefault() { return true; } @Override public List<RelationalValueSource> relationalValueSources() { return valueSources; } @Override public boolean isSingular() { return true; } @Override public Iterable<MetaAttributeSource> metaAttributes() { return Helper.buildMetaAttributeSources( versionElement.getMeta() ); } }