/* Copyright 2009 The Revere Group
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.chinasb.framework.core.base.dao.jpa;
import java.io.Serializable;
import java.util.List;
import org.chinasb.framework.core.base.dao.DAOUtil;
import org.chinasb.framework.core.base.search.ExampleOptions;
import org.chinasb.framework.core.base.search.Filter;
import org.chinasb.framework.core.base.search.ISearch;
import org.chinasb.framework.core.base.search.Search;
import org.chinasb.framework.core.base.search.SearchResult;
/**
* Implementation of <code>GenericDAO</code> using Hibernate.
* The SessionFactory property is annotated for automatic resource injection.
*
* @author dwolverton
*
* @param <T>
* The type of the domain object for which this instance is to be
* used.
* @param <ID>
* The type of the id of the domain object for which this instance is
* to be used.
*/
@SuppressWarnings("unchecked")
public class GenericDAOImpl<T, ID extends Serializable> extends
JPABaseDAO implements GenericDAO<T, ID> {
protected Class<T> persistentClass = (Class<T>) DAOUtil.getTypeArguments(GenericDAOImpl.class, this.getClass()).get(0);
public int count(ISearch search) {
if (search == null)
search = new Search();
return _count(persistentClass, search);
}
public T find(ID id) {
return _find(persistentClass, id);
}
public T[] find(ID... ids) {
return _find(persistentClass, ids);
}
public List<T> findAll() {
return _all(persistentClass);
}
public void flush() {
_flush();
}
public T getReference(ID id) {
return _getReference(persistentClass, id);
}
public T[] getReferences(ID... ids) {
return _getReferences(persistentClass, ids);
}
public boolean isAttached(T entity) {
return _contains(entity);
}
public void refresh(T... entities) {
_refresh(entities);
}
public boolean remove(T entity) {
return _removeEntity(entity);
}
public void remove(T... entities) {
_removeEntities((Object[]) entities);
}
public boolean removeById(ID id) {
return _removeById(persistentClass, id);
}
public void removeByIds(ID... ids) {
_removeByIds(persistentClass, ids);
}
public T merge(T entity) {
return _merge(entity);
}
public T[] merge(T... entities) {
return _merge(persistentClass, entities);
}
public void persist(T... entities) {
_persist(entities);
}
public T save(T entity) {
return _persistOrMerge(entity);
}
public T[] save(T... entities) {
return _persistOrMerge(persistentClass, entities);
}
public <RT> List<RT> search(ISearch search) {
if (search == null)
return (List<RT>) findAll();
return _search(persistentClass, search);
}
public <RT> SearchResult<RT> searchAndCount(ISearch search) {
if (search == null) {
SearchResult<RT> result = new SearchResult<RT>();
result.setResult((List<RT>) findAll());
result.setTotalCount(result.getResult().size());
return result;
}
return _searchAndCount(persistentClass, search);
}
public <RT> RT searchUnique(ISearch search) {
return (RT) _searchUnique(persistentClass, search);
}
public Filter getFilterFromExample(T example) {
return _getFilterFromExample(example);
}
public Filter getFilterFromExample(T example, ExampleOptions options) {
return _getFilterFromExample(example, options);
}
}