kim.zkp.quick.orm.connection.ConnectionProcessor Maven / Gradle / Ivy

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/**
 * Copyright (c) 2017, ZhuKaipeng 朱开鹏 ([email protected]).

 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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 kim.zkp.quick.orm.connection;

import java.lang.reflect.Field;
import java.math.BigDecimal;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.ResultSetMetaData;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import javax.sql.DataSource;

import com.xiaoleilu.hutool.log.Log;
import com.xiaoleilu.hutool.log.LogFactory;

import kim.zkp.quick.orm.annotation.Join;
import kim.zkp.quick.orm.cache.ClassCache;
import kim.zkp.quick.orm.exception.ConnectionException;
import kim.zkp.quick.orm.exception.ConnectionExceptionCount;
import kim.zkp.quick.orm.exception.ExecuteSqlException;
import kim.zkp.quick.orm.exception.TransactionException;
import kim.zkp.quick.orm.model.Schema;
import kim.zkp.quick.orm.sql.SqlInfo;
import kim.zkp.quick.orm.sql.convert.FieldConvertProcessor;

public class ConnectionProcessor {
	private static final Log log = LogFactory.get();
	private DataSource dataSource;
	private JDBCConfig jdbcConfig;
	
	public ConnectionProcessor(JDBCConfig jdbcConfig) {
		super();
		this.jdbcConfig = jdbcConfig;
		this.dataSource = new QuickDataSource(jdbcConfig);
	}
	
	public DataSource getDataSource(){
		return dataSource;
	}
	
	public Connection getConnection(){
		try {
//			Connection conn = SingleThreadConnectionHolder.getConnection(dataSource);
//			if (conn == null || conn.isClosed()) {
//				conn = dataSource.getConnection();
//				SingleThreadConnectionHolder.setConnection(dataSource, conn);
//			}
//			return conn;
			
			return dataSource.getConnection();
		} catch (SQLException e) {
			throw new ConnectionException("Get db connection error",e);
		}
	}
	
	public void setAutoCommit(Connection conn,boolean commit){
		try {
			conn.setAutoCommit(commit);
		} catch (SQLException e) {
			ConnectionExceptionCount.add(conn);
			throw new TransactionException("Open transaction error",e);
		}
	}
	
	public void rollback(Connection conn){
		try {
			conn.rollback();
		} catch (SQLException e) {
			throw new TransactionException("Rollback transaction error",e);
		}
	}
	
	public void commit(Connection conn){
		try {
			conn.commit();
		} catch (SQLException e) {
			throw new TransactionException("Commit transaction error",e);
		}
	}
	public void close(Connection conn){
		try {
			conn.setAutoCommit(true);
			release(conn);
		} catch (SQLException e) {
			ConnectionExceptionCount.destroy(conn);//有事务的连接关闭出现异常直接废弃
			log.error(e, "Close connection error");
			try {
				conn.close();
			} catch (SQLException e1) {
				throw new TransactionException("Close transaction error",e1);
			}
			throw new TransactionException("Close transaction error",e);
		}
		
		
//		try {
//			SingleThreadConnectionHolder.removeConnection(conn);
//			conn.setAutoCommit(true);
//			conn.close();
//		} catch (SQLException e) {
//			log.error(e, "Close connection error");
//			try {
//				conn.close();
//			} catch (SQLException e1) {
//				throw new TransactionException("Close2 transaction error",e1);
//			}
//			throw new TransactionException("Close transaction error",e);
//		}
	}
	
	public int update(Connection conn, SqlInfo sqlInfo) {
		PreparedStatementWrapper stmt = null;
		try {
			stmt = createPreparedStatement(conn, sqlInfo);
			return stmt.executeUpdate();
		} catch (SQLException e) {
//			log.error(e, "execute sql error");
			throw new ExecuteSqlException(e);
		} finally {
			close(stmt);
			release(conn);
		}
	}

	public Object get(Connection conn, SqlInfo sqlInfo,Class clzz) {
		List