/*
* JBoss, Home of Professional Open Source.
* Copyright 2011, Red Hat, Inc., and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software 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 software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.as.jpa.container;
import java.util.Calendar;
import java.util.Date;
import java.util.List;
import java.util.Map;
import java.util.Set;
import javax.persistence.EntityManager;
import javax.persistence.FlushModeType;
import javax.persistence.LockModeType;
import javax.persistence.Parameter;
import javax.persistence.TemporalType;
import javax.persistence.TypedQuery;
/**
* for JPA 2.0 section 3.8.6
* used by TransactionScopedEntityManager to detach entities loaded by a query in a non-jta invocation.
* This could be a proxy but wrapper classes give faster performance.
*
* @author Scott Marlow
*/
public class TypedQueryNonTxInvocationDetacher<X> implements TypedQuery<X> {
private final TypedQuery<X> underlyingQuery;
private final EntityManager underlyingEntityManager;
TypedQueryNonTxInvocationDetacher(EntityManager underlyingEntityManager, TypedQuery<X> underlyingQuery) {
this.underlyingQuery = underlyingQuery;
this.underlyingEntityManager = underlyingEntityManager;
}
@Override
public List<X> getResultList() {
List<X> result = underlyingQuery.getResultList();
/**
* The purpose of this wrapper class is so that we can detach the returned entities from this method.
* Call EntityManager.clear will accomplish that.
*/
underlyingEntityManager.clear();
return result;
}
@Override
public X getSingleResult() {
X result = (X)underlyingQuery.getSingleResult();
/**
* The purpose of this wrapper class is so that we can detach the returned entities from this method.
* Call EntityManager.clear will accomplish that.
*/
underlyingEntityManager.clear();
return result;
}
@Override
public int executeUpdate() {
return underlyingQuery.executeUpdate();
}
@Override
public TypedQuery<X> setMaxResults(int maxResult) {
underlyingQuery.setMaxResults(maxResult);
return this;
}
@Override
public int getMaxResults() {
return underlyingQuery.getMaxResults();
}
@Override
public TypedQuery<X> setFirstResult(int startPosition) {
underlyingQuery.setFirstResult(startPosition);
return this;
}
@Override
public int getFirstResult() {
return underlyingQuery.getFirstResult();
}
@Override
public TypedQuery<X> setHint(String hintName, Object value) {
underlyingQuery.setHint(hintName, value);
return this;
}
@Override
public <T> TypedQuery<X> setParameter(Parameter<T> param, T value) {
underlyingQuery.setParameter(param, value);
return this;
}
@Override
public TypedQuery<X> setParameter(Parameter<Calendar> param, Calendar value, TemporalType temporalType) {
underlyingQuery.setParameter(param, value, temporalType);
return this;
}
@Override
public TypedQuery<X> setParameter(Parameter<Date> param, Date value, TemporalType temporalType) {
underlyingQuery.setParameter(param, value, temporalType);
return this;
}
@Override
public Map<String, Object> getHints() {
return underlyingQuery.getHints();
}
@Override
public TypedQuery<X> setParameter(String name, Object value) {
underlyingQuery.setParameter(name, value);
return this;
}
@Override
public TypedQuery<X> setParameter(String name, Calendar value, TemporalType temporalType) {
underlyingQuery.setParameter(name, value, temporalType);
return this;
}
@Override
public TypedQuery<X> setParameter(String name, Date value, TemporalType temporalType) {
underlyingQuery.setParameter(name, value, temporalType);
return this;
}
@Override
public TypedQuery<X> setParameter(int position, Object value) {
underlyingQuery.setParameter(position, value);
return this;
}
@Override
public TypedQuery<X> setParameter(int position, Calendar value, TemporalType temporalType) {
underlyingQuery.setParameter(position, value, temporalType);
return this;
}
@Override
public TypedQuery<X> setParameter(int position, Date value, TemporalType temporalType) {
underlyingQuery.setParameter(position, value, temporalType);
return this;
}
@Override
public Set<Parameter<?>> getParameters() {
return underlyingQuery.getParameters();
}
@Override
public Parameter<?> getParameter(String name) {
return underlyingQuery.getParameter(name);
}
@Override
public <T> Parameter<T> getParameter(String name, Class<T> type) {
return underlyingQuery.getParameter(name, type);
}
@Override
public Parameter<?> getParameter(int position) {
return underlyingQuery.getParameter(position);
}
@Override
public <T> Parameter<T> getParameter(int position, Class<T> type) {
return underlyingQuery.getParameter(position, type);
}
@Override
public boolean isBound(Parameter<?> param) {
return underlyingQuery.isBound(param);
}
@Override
public <T> T getParameterValue(Parameter<T> param) {
return underlyingQuery.getParameterValue(param);
}
@Override
public Object getParameterValue(String name) {
return underlyingQuery.getParameterValue(name);
}
@Override
public Object getParameterValue(int position) {
return underlyingQuery.getParameterValue(position);
}
@Override
public TypedQuery<X> setFlushMode(FlushModeType flushMode) {
underlyingQuery.setFlushMode(flushMode);
return this;
}
@Override
public FlushModeType getFlushMode() {
return underlyingQuery.getFlushMode();
}
@Override
public TypedQuery<X> setLockMode(LockModeType lockMode) {
underlyingQuery.setLockMode(lockMode);
return this;
}
@Override
public LockModeType getLockMode() {
return underlyingQuery.getLockMode();
}
@Override
public <T> T unwrap(Class<T> cls) {
return underlyingQuery.unwrap(cls);
}
}