/*
* Copyright (c) 2002-2012 Alibaba Group Holding Limited.
* All rights reserved.
*
* 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 com.alibaba.sample.petstore.dal.dao.ibatis;
import static com.alibaba.citrus.util.Assert.*;
import com.alibaba.sample.petstore.dal.dao.SequenceDao;
import com.alibaba.sample.petstore.dal.dataobject.Sequence;
import org.springframework.orm.ibatis.support.SqlMapClientDaoSupport;
public class IbatisSequenceDao extends SqlMapClientDaoSupport implements SequenceDao {
public synchronized int getNextId(String name) {
Sequence sequence = new Sequence(name, -1);
sequence = (Sequence) getSqlMapClientTemplate().queryForObject("getSequence", sequence);
assertNotNull(sequence, "unknown sequence name: {}", name);
Object parameterObject = new Sequence(name, sequence.getNextId() + 1);
getSqlMapClientTemplate().update("updateSequence", parameterObject);
return sequence.getNextId();
}
}