import com.lansi.realtynavi.mapper.pojo.DataInfoPo;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.dao.DataAccessException;
import org.springframework.jdbc.core.CallableStatementCallback;
import org.springframework.jdbc.core.CallableStatementCreator;
import org.springframework.jdbc.core.JdbcTemplate;
import org.springframework.stereotype.Component;
import org.springframework.transaction.TransactionStatus;
import org.springframework.transaction.support.TransactionCallback;
import org.springframework.transaction.support.TransactionTemplate;

import java.sql.*;
import java.util.ArrayList;
import java.util.List;

/**
 * @Description 存儲(chǔ)過(guò)程
 * @Date 2021/3/18 13:50
 * @Created by nuoyi
 */
@Component
public class ProcedureReturnListExecutor {
    @Autowired
    private JdbcTemplate jdbcTemplate;
    @Autowired
    private TransactionTemplate template;
    public List<DataInfoPo> get(){
        ProcedureReturnListTransactionCallback callback = new ProcedureReturnListTransactionCallback();
        return template.execute(callback);
    }
    class ProcedureReturnListTransactionCallback implements TransactionCallback<List<DataInfoPo>> {
        @Override
        public List<DataInfoPo> doInTransaction(TransactionStatus transactionStatus) {
            return jdbcTemplate.execute(new CallableStatementCreator() {
                @Override
                public CallableStatement createCallableStatement(Connection con) throws SQLException {
                    String procedure = "{call selectData(?,?,?)}";
                    CallableStatement cs = con.prepareCall(procedure);
                    cs.registerOutParameter(1, Types.INTEGER);
                    cs.registerOutParameter(2, Types.BIGINT);
                    cs.registerOutParameter(3, Types.BIGINT);
                    return cs;
                }
            }, new CallableStatementCallback<List<DataInfoPo>>() {
                @Override
                public List<DataInfoPo> doInCallableStatement(CallableStatement cs)
                        throws SQLException, DataAccessException {
                    ResultSet rs = cs.executeQuery();
                    List<DataInfoPo> list = new ArrayList<>();
                    while (rs.next()) {
                        Integer id = rs.getInt(1);
                        Long dataInfo = rs.getLong(2);
                        Long dataTime = rs.getLong(3);
                        DataInfoPo dataInfoPo = new DataInfoPo();
                        dataInfoPo.setId(id);
                        dataInfoPo.setData_info(dataInfo);
                        dataInfoPo.setData_time(dataTime);
                        list.add(dataInfoPo);
                    }
                    return list;
                }
            });
        }
    }
}