package org.focusns.common.dao.mybatis;
/*
* #%L
* FocusSNS Runtime
* %%
* Copyright (C) 2011 - 2013 FocusSNS
* %%
* This program 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 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 General Lesser Public License for more details.
*
* You should have received a copy of the GNU General Lesser Public
* License along with this program. If not, see
* <http://www.gnu.org/licenses/lgpl-2.1.html>.
* #L%
*/
import java.util.List;
import java.util.Map;
import org.apache.ibatis.session.RowBounds;
import org.focusns.dao.common.BaseDao;
import org.focusns.model.common.Page;
import org.mybatis.spring.support.SqlSessionDaoSupport;
import org.springframework.util.Assert;
import org.springframework.util.ClassUtils;
public abstract class MyBatisDaoSupport<M> extends SqlSessionDaoSupport implements BaseDao<M> {
protected String NAMESPACE;
public MyBatisDaoSupport() {
inspectNamespace();
}
public M select(long id) {
return selectOne("select", id);
}
public int insert(M model) {
return insert("insert", model);
}
public int update(M model) {
return update("update", model);
}
public int delete(long id) {
return delete("delete", id);
}
public int insert(String insertId, Object parameter) {
return getSqlSession().insert(NAMESPACE.concat(insertId), parameter);
}
public int update(String updateId, Object parameter) {
return getSqlSession().update(NAMESPACE.concat(updateId), parameter);
}
public int delete(String deleteId, Object parameter) {
return getSqlSession().delete(NAMESPACE.concat(deleteId), parameter);
}
public <M> M selectOne(String selectId, Object parameter) {
return getSqlSession().selectOne(NAMESPACE.concat(selectId), parameter);
}
public List<M> selectList(String selectId) {
return getSqlSession().selectList(NAMESPACE.concat(selectId));
}
public List<M> selectList(String selectId, Object parameter) {
return getSqlSession().selectList(NAMESPACE.concat(selectId), parameter);
}
public List<M> selectLimitedList(String selectId, int limit, Object parameter) {
RowBounds rowBounds = new RowBounds(0, limit);
return getSqlSession().selectList(NAMESPACE.concat(selectId), parameter);
}
public Page<M> fetchPage(String selectId, Page<M> page, Map<String, Object> model) {
//
if (page.isAutoCount()) {
String countId = selectId.concat("Count");
long totalCount = selectPageCount(countId, model);
page.setTotalCount(totalCount);
}
//
RowBounds rowBounds = new RowBounds(page.getFirst() - 1, page.getPageSize());
List<M> results = getSqlSession().selectList(NAMESPACE.concat(selectId), model, rowBounds);
//
return page.setResults(results);
}
public long selectPageCount(String countId, Map<String, Object> model) {
Long count = getSqlSession().selectOne(NAMESPACE.concat(countId), model);
return count;
}
private void inspectNamespace() {
Class<?>[] interfaceClasses = ClassUtils.getAllInterfaces(this);
for (Class<?> interfaceClass : interfaceClasses) {
if (ClassUtils.isAssignable(BaseDao.class, interfaceClass) && interfaceClass != BaseDao.class) {
this.NAMESPACE = interfaceClass.getName();
}
}
//
Assert.notNull(NAMESPACE, "Custom dao interface must implements BaseDao interface");
//
this.NAMESPACE += ".";
}
}