/*
* 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.Collections;
import java.util.Map;
import org.hibernate.FetchMode;
import org.hibernate.cache.spi.access.AccessType;
import org.hibernate.cfg.NotYetImplementedException;
import org.hibernate.engine.FetchStyle;
import org.hibernate.engine.FetchTiming;
import org.hibernate.engine.spi.CascadeStyle;
import org.hibernate.internal.jaxb.mapping.hbm.JaxbCacheElement;
import org.hibernate.internal.jaxb.mapping.hbm.PluralAttributeElement;
import org.hibernate.internal.util.StringHelper;
import org.hibernate.metamodel.binding.Caching;
import org.hibernate.metamodel.binding.CustomSQL;
import org.hibernate.metamodel.source.LocalBindingContext;
import org.hibernate.metamodel.source.MappingException;
import org.hibernate.metamodel.source.binder.AttributeSourceContainer;
import org.hibernate.metamodel.source.binder.ExplicitHibernateTypeSource;
import org.hibernate.metamodel.source.binder.MetaAttributeSource;
import org.hibernate.metamodel.source.binder.PluralAttributeElementSource;
import org.hibernate.metamodel.source.binder.PluralAttributeKeySource;
import org.hibernate.metamodel.source.binder.PluralAttributeSource;
/**
* @author Steve Ebersole
*/
public abstract class AbstractPluralAttributeSourceImpl implements PluralAttributeSource {
private final PluralAttributeElement pluralAttributeElement;
private final AttributeSourceContainer container;
private final ExplicitHibernateTypeSource typeInformation;
private final PluralAttributeKeySource keySource;
private final PluralAttributeElementSource elementSource;
protected AbstractPluralAttributeSourceImpl(
final PluralAttributeElement pluralAttributeElement,
AttributeSourceContainer container) {
this.pluralAttributeElement = pluralAttributeElement;
this.container = container;
this.keySource = new PluralAttributeKeySourceImpl( pluralAttributeElement.getKey(), container );
this.elementSource = interpretElementType();
this.typeInformation = new ExplicitHibernateTypeSource() {
@Override
public String getName() {
return pluralAttributeElement.getCollectionType();
}
@Override
public Map<String, String> getParameters() {
return Collections.emptyMap();
}
};
}
private PluralAttributeElementSource interpretElementType() {
if ( pluralAttributeElement.getElement() != null ) {
return new BasicPluralAttributeElementSourceImpl(
pluralAttributeElement.getElement(), container.getLocalBindingContext()
);
}
else if ( pluralAttributeElement.getCompositeElement() != null ) {
return new CompositePluralAttributeElementSourceImpl(
pluralAttributeElement.getCompositeElement(), container.getLocalBindingContext()
);
}
else if ( pluralAttributeElement.getOneToMany() != null ) {
return new OneToManyPluralAttributeElementSourceImpl(
pluralAttributeElement.getOneToMany(), container.getLocalBindingContext()
);
}
else if ( pluralAttributeElement.getManyToMany() != null ) {
return new ManyToManyPluralAttributeElementSourceImpl(
pluralAttributeElement.getManyToMany(), container.getLocalBindingContext()
);
}
else if ( pluralAttributeElement.getManyToAny() != null ) {
throw new NotYetImplementedException( "Support for many-to-any not yet implemented" );
// return PluralAttributeElementNature.MANY_TO_ANY;
}
else {
throw new MappingException(
"Unexpected collection element type : " + pluralAttributeElement.getName(),
bindingContext().getOrigin()
);
}
}
public PluralAttributeElement getPluralAttributeElement() {
return pluralAttributeElement;
}
protected AttributeSourceContainer container() {
return container;
}
protected LocalBindingContext bindingContext() {
return container().getLocalBindingContext();
}
@Override
public PluralAttributeKeySource getKeySource() {
return keySource;
}
@Override
public PluralAttributeElementSource getElementSource() {
return elementSource;
}
@Override
public String getExplicitSchemaName() {
return pluralAttributeElement.getSchema();
}
@Override
public String getExplicitCatalogName() {
return pluralAttributeElement.getCatalog();
}
@Override
public String getExplicitCollectionTableName() {
return pluralAttributeElement.getTable();
}
@Override
public String getCollectionTableComment() {
return pluralAttributeElement.getComment();
}
@Override
public String getCollectionTableCheck() {
return pluralAttributeElement.getCheck();
}
@Override
public Caching getCaching() {
final JaxbCacheElement cache = pluralAttributeElement.getCache();
if ( cache == null ) {
return null;
}
final String region = cache.getRegion() != null
? cache.getRegion()
: StringHelper.qualify( container().getPath(), getName() );
final AccessType accessType = Enum.valueOf( AccessType.class, cache.getUsage() );
final boolean cacheLazyProps = !"non-lazy".equals( cache.getInclude() );
return new Caching( region, accessType, cacheLazyProps );
}
@Override
public String getWhere() {
return pluralAttributeElement.getWhere();
}
@Override
public String getName() {
return pluralAttributeElement.getName();
}
@Override
public boolean isSingular() {
return false;
}
@Override
public ExplicitHibernateTypeSource getTypeInformation() {
return typeInformation;
}
@Override
public String getPropertyAccessorName() {
return pluralAttributeElement.getAccess();
}
@Override
public boolean isIncludedInOptimisticLocking() {
return pluralAttributeElement.isOptimisticLock();
}
@Override
public boolean isInverse() {
return pluralAttributeElement.isInverse();
}
@Override
public String getCustomPersisterClassName() {
return pluralAttributeElement.getPersister();
}
@Override
public String getCustomLoaderName() {
return pluralAttributeElement.getLoader() == null
? null
: pluralAttributeElement.getLoader().getQueryRef();
}
@Override
public CustomSQL getCustomSqlInsert() {
return Helper.buildCustomSql( pluralAttributeElement.getSqlInsert() );
}
@Override
public CustomSQL getCustomSqlUpdate() {
return Helper.buildCustomSql( pluralAttributeElement.getSqlUpdate() );
}
@Override
public CustomSQL getCustomSqlDelete() {
return Helper.buildCustomSql( pluralAttributeElement.getSqlDelete() );
}
@Override
public CustomSQL getCustomSqlDeleteAll() {
return Helper.buildCustomSql( pluralAttributeElement.getSqlDeleteAll() );
}
@Override
public Iterable<MetaAttributeSource> metaAttributes() {
return Helper.buildMetaAttributeSources( pluralAttributeElement.getMeta() );
}
@Override
public Iterable<CascadeStyle> getCascadeStyles() {
return Helper.interpretCascadeStyles( pluralAttributeElement.getCascade(), bindingContext() );
}
@Override
public FetchTiming getFetchTiming() {
final String fetchSelection = pluralAttributeElement.getFetch() != null ?
pluralAttributeElement.getFetch().value() :
null;
final String lazySelection = pluralAttributeElement.getLazy() != null
? pluralAttributeElement.getLazy().value()
: null;
final String outerJoinSelection = pluralAttributeElement.getOuterJoin() != null
? pluralAttributeElement.getOuterJoin().value()
: null;
if ( lazySelection == null ) {
if ( "join".equals( fetchSelection ) || "true".equals( outerJoinSelection ) ) {
return FetchTiming.IMMEDIATE;
}
else if ( "false".equals( outerJoinSelection ) ) {
return FetchTiming.DELAYED;
}
else {
return bindingContext().getMappingDefaults().areAssociationsLazy()
? FetchTiming.DELAYED
: FetchTiming.IMMEDIATE;
}
}
else if ( "extra".equals( lazySelection ) ) {
return FetchTiming.EXTRA_LAZY;
}
else if ( "true".equals( lazySelection ) ) {
return FetchTiming.DELAYED;
}
else if ( "false".equals( lazySelection ) ) {
return FetchTiming.IMMEDIATE;
}
throw new MappingException(
String.format(
"Unexpected lazy selection [%s] on '%s'",
lazySelection,
pluralAttributeElement.getName()
),
bindingContext().getOrigin()
);
}
@Override
public FetchStyle getFetchStyle() {
final String fetchSelection = pluralAttributeElement.getFetch() != null ?
pluralAttributeElement.getFetch().value() :
null;
final String outerJoinSelection = pluralAttributeElement.getOuterJoin() != null
? pluralAttributeElement.getOuterJoin().value()
: null;
final int batchSize = Helper.getIntValue( pluralAttributeElement.getBatchSize(), -1 );
if ( fetchSelection == null ) {
if ( outerJoinSelection == null ) {
return batchSize > 1 ? FetchStyle.BATCH : FetchStyle.SELECT;
}
else {
if ( "auto".equals( outerJoinSelection ) ) {
return bindingContext().getMappingDefaults().areAssociationsLazy()
? FetchStyle.SELECT
: FetchStyle.JOIN;
}
else {
return "true".equals( outerJoinSelection ) ? FetchStyle.JOIN : FetchStyle.SELECT;
}
}
}
else {
if ( "subselect".equals( fetchSelection ) ) {
return FetchStyle.SUBSELECT;
}
else {
return "join".equals( fetchSelection ) ? FetchStyle.JOIN : FetchStyle.SELECT;
}
}
}
@Override
public FetchMode getFetchMode() {
return pluralAttributeElement.getFetch() == null
? FetchMode.DEFAULT
: FetchMode.valueOf( pluralAttributeElement.getFetch().value() );
}
}