content: /*
   * Copyright 1999-2018 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 org.springframework.orm.ibatis.support.SqlMapClientDaoSupport;
  
  import java.util.HashMap;
  import java.util.Map;
  
  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);
      }
  }
  