/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2012, 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.jpa.criteria.compile;
import javax.persistence.FlushModeType;
import javax.persistence.LockModeType;
import javax.persistence.Parameter;
import javax.persistence.TemporalType;
import javax.persistence.TypedQuery;
import javax.persistence.criteria.ParameterExpression;
import java.util.Calendar;
import java.util.Date;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import org.hibernate.Query;
import org.hibernate.ejb.HibernateQuery;
import org.hibernate.jpa.internal.QueryImpl;
import org.hibernate.jpa.spi.HibernateEntityManagerImplementor;
/**
* @author Steve Ebersole
*/
public class CriteriaQueryTypeQueryAdapter<X> implements TypedQuery<X>, HibernateQuery {
private final HibernateEntityManagerImplementor entityManager;
private final QueryImpl<X> jpqlQuery;
private final Map<ParameterExpression<?>, ExplicitParameterInfo<?>> explicitParameterInfoMap;
public CriteriaQueryTypeQueryAdapter(
HibernateEntityManagerImplementor entityManager,
QueryImpl<X> jpqlQuery,
Map<ParameterExpression<?>, ExplicitParameterInfo<?>> explicitParameterInfoMap) {
this.entityManager = entityManager;
this.jpqlQuery = jpqlQuery;
this.explicitParameterInfoMap = explicitParameterInfoMap;
}
@Override
public Query getHibernateQuery() {
return jpqlQuery.getHibernateQuery();
}
public List<X> getResultList() {
return jpqlQuery.getResultList();
}
public X getSingleResult() {
return jpqlQuery.getSingleResult();
}
public int getMaxResults() {
return jpqlQuery.getMaxResults();
}
public TypedQuery<X> setMaxResults(int i) {
jpqlQuery.setMaxResults( i );
return this;
}
public int getFirstResult() {
return jpqlQuery.getFirstResult();
}
public TypedQuery<X> setFirstResult(int i) {
jpqlQuery.setFirstResult( i );
return this;
}
public Map<String, Object> getHints() {
return jpqlQuery.getHints();
}
public TypedQuery<X> setHint(String name, Object value) {
jpqlQuery.setHint( name, value );
return this;
}
public FlushModeType getFlushMode() {
return jpqlQuery.getFlushMode();
}
public TypedQuery<X> setFlushMode(FlushModeType flushModeType) {
jpqlQuery.setFlushMode( flushModeType );
return this;
}
public LockModeType getLockMode() {
return jpqlQuery.getLockMode();
}
public TypedQuery<X> setLockMode(LockModeType lockModeType) {
jpqlQuery.setLockMode( lockModeType );
return this;
}
@SuppressWarnings({ "unchecked" })
public Set<Parameter<?>> getParameters() {
entityManager.checkOpen( false );
return new HashSet( explicitParameterInfoMap.values() );
}
public boolean isBound(Parameter<?> param) {
entityManager.checkOpen( false );
return jpqlQuery.isBound( param );
}
@SuppressWarnings({ "unchecked" })
public <T> T getParameterValue(Parameter<T> param) {
entityManager.checkOpen( false );
final ExplicitParameterInfo parameterInfo = resolveParameterInfo( param );
if ( parameterInfo.isNamed() ) {
return ( T ) jpqlQuery.getParameterValue( parameterInfo.getName() );
}
else {
return ( T ) jpqlQuery.getParameterValue( parameterInfo.getPosition() );
}
}
private <T> ExplicitParameterInfo resolveParameterInfo(Parameter<T> param) {
if ( ExplicitParameterInfo.class.isInstance( param ) ) {
return (ExplicitParameterInfo) param;
}
else if ( ParameterExpression.class.isInstance( param ) ) {
return explicitParameterInfoMap.get( (ParameterExpression) param );
}
else {
for ( ExplicitParameterInfo parameterInfo : explicitParameterInfoMap.values() ) {
if ( param.getName() != null && param.getName().equals( parameterInfo.getName() ) ) {
return parameterInfo;
}
else if ( param.getPosition() != null && param.getPosition().equals( parameterInfo.getPosition() ) ) {
return parameterInfo;
}
}
}
throw new IllegalArgumentException( "Unable to locate parameter [" + param + "] in query" );
}
@SuppressWarnings({ "unchecked" })
public <T> TypedQuery<X> setParameter(Parameter<T> param, T t) {
entityManager.checkOpen( false );
final ExplicitParameterInfo parameterInfo = resolveParameterInfo( param );
if ( parameterInfo.isNamed() ) {
jpqlQuery.setParameter( parameterInfo.getName(), t );
}
else {
jpqlQuery.setParameter( parameterInfo.getPosition(), t );
}
return this;
}
@SuppressWarnings({ "unchecked" })
public TypedQuery<X> setParameter(Parameter<Calendar> param, Calendar calendar, TemporalType temporalType) {
entityManager.checkOpen( false );
final ExplicitParameterInfo parameterInfo = resolveParameterInfo( param );
if ( parameterInfo.isNamed() ) {
jpqlQuery.setParameter( parameterInfo.getName(), calendar, temporalType );
}
else {
jpqlQuery.setParameter( parameterInfo.getPosition(), calendar, temporalType );
}
return this;
}
@SuppressWarnings({ "unchecked" })
public TypedQuery<X> setParameter(Parameter<Date> param, Date date, TemporalType temporalType) {
entityManager.checkOpen( false );
final ExplicitParameterInfo parameterInfo = resolveParameterInfo( param );
if ( parameterInfo.isNamed() ) {
jpqlQuery.setParameter( parameterInfo.getName(), date, temporalType );
}
else {
jpqlQuery.setParameter( parameterInfo.getPosition(), date, temporalType );
}
return this;
}
public <T> T unwrap(Class<T> cls) {
return jpqlQuery.unwrap( cls );
}
@SuppressWarnings({ "unchecked" })
public Object getParameterValue(String name) {
entityManager.checkOpen( false );
locateParameterByName( name );
return jpqlQuery.getParameter( name );
}
private ExplicitParameterInfo locateParameterByName(String name) {
for ( ExplicitParameterInfo parameterInfo : explicitParameterInfoMap.values() ) {
if ( parameterInfo.isNamed() && parameterInfo.getName().equals( name ) ) {
return parameterInfo;
}
}
throw new IllegalArgumentException( "Unable to locate parameter registered with that name [" + name + "]" );
}
public Parameter<?> getParameter(String name) {
entityManager.checkOpen( false );
return locateParameterByName( name );
}
@SuppressWarnings({ "unchecked" })
public <T> Parameter<T> getParameter(String name, Class<T> type) {
entityManager.checkOpen( false );
Parameter parameter = locateParameterByName( name );
if ( type.isAssignableFrom( parameter.getParameterType() ) ) {
return parameter;
}
throw new IllegalArgumentException(
"Named parameter [" + name + "] type is not assignanle to request type ["
+ type.getName() + "]"
);
}
@SuppressWarnings({ "unchecked" })
public TypedQuery<X> setParameter(String name, Object value) {
entityManager.checkOpen( true );
ExplicitParameterInfo parameterInfo = locateParameterByName( name );
parameterInfo.validateBindValue( value );
jpqlQuery.setParameter( name, value );
return this;
}
@SuppressWarnings({ "unchecked" })
public TypedQuery<X> setParameter(String name, Calendar calendar, TemporalType temporalType) {
entityManager.checkOpen( true );
ExplicitParameterInfo parameterInfo = locateParameterByName( name );
parameterInfo.validateCalendarBind();
jpqlQuery.setParameter( name, calendar, temporalType );
return this;
}
@SuppressWarnings({ "unchecked" })
public TypedQuery<X> setParameter(String name, Date date, TemporalType temporalType) {
entityManager.checkOpen( true );
ExplicitParameterInfo parameterInfo = locateParameterByName( name );
parameterInfo.validateDateBind();
jpqlQuery.setParameter( name, date, temporalType );
return this;
}
// unsupported stuff ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
public int executeUpdate() {
throw new IllegalStateException( "Typed criteria queries do not support executeUpdate" );
}
public TypedQuery<X> setParameter(int i, Object o) {
throw new IllegalArgumentException( "Criteria queries do not support positioned parameters" );
}
public TypedQuery<X> setParameter(int i, Calendar calendar, TemporalType temporalType) {
throw new IllegalArgumentException( "Criteria queries do not support positioned parameters" );
}
public TypedQuery<X> setParameter(int i, Date date, TemporalType temporalType) {
throw new IllegalArgumentException( "Criteria queries do not support positioned parameters" );
}
public Object getParameterValue(int position) {
throw new IllegalArgumentException( "Criteria queries do not support positioned parameters" );
}
public Parameter<?> getParameter(int position) {
throw new IllegalArgumentException( "Criteria queries do not support positioned parameters" );
}
public <T> Parameter<T> getParameter(int position, Class<T> type) {
throw new IllegalArgumentException( "Criteria queries do not support positioned parameters" );
}
}