Druid/src/test/java/com/alibaba/druid/spring/SequenceDao.java

/*
 * Copyright 1999-2011 Alibaba Group Holding Ltd.
 *
 * 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.druid.spring;

import java.util.HashMap;
import java.util.Map;

import org.springframework.orm.ibatis.support.SqlMapClientDaoSupport;

public class SequenceDao extends SqlMapClientDaoSupport implements ISequenceDao {

    public boolean compareAndSet(String name, int value, int expect) {

        Map<String, Object> parameters = new HashMap<String, Object>();
        parameters.put("name", name);
        parameters.put("value", value);
        parameters.put("expect", expect);

        int updateCount = getSqlMapClientTemplate().update("Sequence.compareAndSet", parameters);

        return updateCount == 1;
    }

    public int getValue(String name) {
        return (Integer) getSqlMapClientTemplate().queryForObject("Sequence.getValue", name);
    }

    public int getValueForUpdate(String name) {
        return (Integer) getSqlMapClientTemplate().queryForObject("Sequence.getValueForUpdate", name);
    }
}