/*
* 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.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> jpaqlQuery;
private final Map<ParameterExpression<?>, String> explicitParameterMapping;
private final Map<String, ParameterExpression<?>> explicitParameterNameMapping;
public CriteriaQueryTypeQueryAdapter(
HibernateEntityManagerImplementor entityManager,
QueryImpl<X> jpaqlQuery,
Map<ParameterExpression<?>, String> explicitParameterMapping,
Map<String, ParameterExpression<?>> explicitParameterNameMapping) {
this.entityManager = entityManager;
this.jpaqlQuery = jpaqlQuery;
this.explicitParameterMapping = explicitParameterMapping;
this.explicitParameterNameMapping = explicitParameterNameMapping;
}
@Override
public Query getHibernateQuery() {
return jpaqlQuery.getHibernateQuery();
}
public List<X> getResultList() {
return jpaqlQuery.getResultList();
}
public X getSingleResult() {
return jpaqlQuery.getSingleResult();
}
public int getMaxResults() {
return jpaqlQuery.getMaxResults();
}
public TypedQuery<X> setMaxResults(int i) {
jpaqlQuery.setMaxResults( i );
return this;
}
public int getFirstResult() {
return jpaqlQuery.getFirstResult();
}
public TypedQuery<X> setFirstResult(int i) {
jpaqlQuery.setFirstResult( i );
return this;
}
public Map<String, Object> getHints() {
return jpaqlQuery.getHints();
}
public TypedQuery<X> setHint(String name, Object value) {
jpaqlQuery.setHint( name, value);
return this;
}
public FlushModeType getFlushMode() {
return jpaqlQuery.getFlushMode();
}
public TypedQuery<X> setFlushMode(FlushModeType flushModeType) {
jpaqlQuery.setFlushMode( flushModeType );
return this;
}
public LockModeType getLockMode() {
return jpaqlQuery.getLockMode();
}
public TypedQuery<X> setLockMode(LockModeType lockModeType) {
jpaqlQuery.setLockMode( lockModeType );
return this;
}
@SuppressWarnings({ "unchecked" })
public Set getParameters() {
entityManager.checkOpen( false );
return explicitParameterMapping.keySet();
}
public boolean isBound(Parameter<?> param) {
entityManager.checkOpen( false );
return jpaqlQuery.isBound( param );
}
@SuppressWarnings({ "unchecked" })
public <T> T getParameterValue(Parameter<T> param) {
entityManager.checkOpen( false );
return ( T ) jpaqlQuery.getParameterValue( mapToNamedParameter( param ) );
}
@SuppressWarnings({ "unchecked" })
public <T> TypedQuery<X> setParameter(Parameter<T> param, T t) {
entityManager.checkOpen( false );
jpaqlQuery.setParameter( mapToNamedParameter( param ), t );
return this;
}
@SuppressWarnings({ "RedundantCast" })
private Parameter mapToNamedParameter(Parameter criteriaParameter) {
return jpaqlQuery.getParameter(
explicitParameterMapping.get( criteriaParameter )
);
}
@SuppressWarnings({ "unchecked" })
public TypedQuery<X> setParameter(Parameter<Calendar> param, Calendar calendar, TemporalType temporalType) {
entityManager.checkOpen( false );
jpaqlQuery.setParameter( mapToNamedParameter( param ), calendar, temporalType );
return this;
}
@SuppressWarnings({ "unchecked" })
public TypedQuery<X> setParameter(Parameter<Date> param, Date date, TemporalType temporalType) {
entityManager.checkOpen( false );
jpaqlQuery.setParameter( mapToNamedParameter( param ), date, temporalType );
return this;
}
public <T> T unwrap(Class<T> cls) {
return jpaqlQuery.unwrap( cls );
}
@SuppressWarnings({ "unchecked" })
public Object getParameterValue(String name) {
entityManager.checkOpen( false );
return getParameterValue( resolveExplicitCriteriaParameterName( name ) );
}
private Parameter resolveExplicitCriteriaParameterName(String name) {
Parameter parameter = explicitParameterNameMapping.get( name );
if ( parameter == null ) {
throw new IllegalArgumentException( "Named parameter [" + name + "] not encountered" );
}
return parameter;
}
public Parameter<?> getParameter(String name) {
entityManager.checkOpen( false );
return mapToNamedParameter( resolveExplicitCriteriaParameterName( name ) );
}
@SuppressWarnings({ "unchecked" })
public <T> Parameter<T> getParameter(String name, Class<T> type) {
entityManager.checkOpen( false );
Parameter parameter = resolveExplicitCriteriaParameterName( 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 );
setParameter(
resolveExplicitCriteriaParameterName( name, value ),
value
);
return this;
}
private Parameter resolveExplicitCriteriaParameterName(String name, Object value) {
Parameter parameter = resolveExplicitCriteriaParameterName( name );
// todo : is null valid?
if ( value != null ) {
if ( ! parameter.getParameterType().isInstance( value ) ) {
throw new IllegalArgumentException(
"Named parameter [" + name + "] type mismatch; expecting ["
+ parameter.getParameterType().getName() + "], found ["
+ value.getClass().getName() + "]"
);
}
}
return parameter;
}
@SuppressWarnings({ "unchecked" })
public TypedQuery<X> setParameter(String name, Calendar calendar, TemporalType temporalType) {
entityManager.checkOpen( true );
Parameter parameter = resolveExplicitCriteriaParameterName( name );
if ( ! Calendar.class.isAssignableFrom( parameter.getParameterType() ) ) {
throw new IllegalArgumentException(
"Named parameter [" + name + "] type mismatch; expecting ["
+ Calendar.class.getName() + "], found ["
+ parameter.getParameterType().getName() + "]"
);
}
setParameter( parameter, calendar, temporalType );
return this;
}
@SuppressWarnings({ "unchecked" })
public TypedQuery<X> setParameter(String name, Date date, TemporalType temporalType) {
entityManager.checkOpen( true );
Parameter parameter = resolveExplicitCriteriaParameterName( name );
if ( ! Date.class.isAssignableFrom( parameter.getParameterType() ) ) {
throw new IllegalArgumentException(
"Named parameter [" + name + "] type mismatch; expecting ["
+ Date.class.getName() + "], found ["
+ parameter.getParameterType().getName() + "]"
);
}
setParameter( parameter, date, temporalType );
return this;
}
// unsupported stuff ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
public int executeUpdate() {
throw new IllegalArgumentException( "Criteria queries do not support update queries" );
}
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" );
}
}