org.yx.db.visit.SumkStatement Maven / Gradle / Ivy

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A quick developing framewort for internet company
There is a newer version: 4.0.2
/**
 * Copyright (C) 2016 - 2030 youtongluan.
 *
 * 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 org.yx.db.visit;

import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.sql.Timestamp;
import java.util.List;
import java.util.Objects;
import java.util.concurrent.atomic.AtomicReference;

import org.slf4j.Logger;
import org.yx.db.sql.MapedSql;
import org.yx.db.sql.MapedSql.JsonWriterVisitor;
import org.yx.exception.SumkException;
import org.yx.log.CodeLineMarker;
import org.yx.log.Log;

public class SumkStatement {
	private static final Logger LOG = Log.get("sumk.sql.plain");
	private static SqlLog sqlLog = new SqlLogImpl();
	private static CodeLineMarker marker = new CodeLineMarker("org.yx.db.");

	public static CodeLineMarker getMarker() {
		return marker;
	}

	public static void setMarker(CodeLineMarker marker) {
		SumkStatement.marker = Objects.requireNonNull(marker);
	}

	public static void setSqlLog(SqlLog sqlLog) {
		SumkStatement.sqlLog = Objects.requireNonNull(sqlLog);
	}

	private final AtomicReference statement;
	private final MapedSql maped;
	private final long beginTime;
	private int sqlTime;
	private int modifyCount = -1;

	static SumkStatement create(Connection conn, MapedSql maped) throws Exception {
		return new SumkStatement(conn.prepareStatement(maped.getSql()), maped);
	}

	static SumkStatement createAutoGenerateKeyStatement(Connection conn, MapedSql maped) throws Exception {
		return new SumkStatement(conn.prepareStatement(maped.getSql(), Statement.RETURN_GENERATED_KEYS), maped);
	}

	private SumkStatement(PreparedStatement statement, MapedSql maped) throws Exception {
		this.statement = new AtomicReference<>(statement);
		this.maped = maped;
		beginTime = System.currentTimeMillis();
		attachParams();
	}

	public int executeUpdate() throws SQLException {
		PreparedStatement statement = this.statement.get();
		if (statement == null) {
			SumkException.throwException(234132, "连接已关闭");
		}
		modifyCount = 0;
		try {
			modifyCount = statement.executeUpdate();
		} catch (Exception e) {
			sqlTime = (int) (System.currentTimeMillis() - beginTime);
			close(e);
			throw e;
		}
		sqlTime = (int) (System.currentTimeMillis() - beginTime);
		return modifyCount;
	}

	public ResultSet executeQuery() throws Exception {
		PreparedStatement statement = this.statement.get();
		if (statement == null) {
			SumkException.throwException(234132, "连接已关闭");
		}
		ResultSet ret = null;
		try {
			ret = statement.executeQuery();
		} catch (Exception e) {
			sqlTime = (int) (System.currentTimeMillis() - beginTime);
			close(e);
			throw e;
		}
		sqlTime = (int) (System.currentTimeMillis() - beginTime);
		return ret;
	}

	private void close(Exception e) {
		PreparedStatement statement = this.statement.getAndSet(null);
		if (statement == null) {
			return;
		}
		try {
			sqlLog.log(maped, writer -> {
				writer.name("sqlTime").value(sqlTime);
				writer.name("error").value(e.getMessage());
			});
			statement.close();
		} catch (SQLException e1) {
			Log.get("sumk.db").error(e1.getMessage(), e1);
		}
	}

	public synchronized void close() throws SQLException {
		PreparedStatement statement = this.statement.getAndSet(null);
		if (statement == null) {
			return;
		}
		int totalTime = (int) (System.currentTimeMillis() - beginTime);
		try {
			sqlLog.log(maped, writer -> {
				writer.name("sqlTime").value(sqlTime);
				writer.name("totalTime").value(totalTime);
				if (modifyCount > -1) {
					writer.name("modifyCount").value(modifyCount);
				}
			});
			statement.close();
		} catch (SQLException e1) {
			Log.get("sumk.db").error(e1.getMessage(), e1);
		}
	}

	private void attachParams() throws Exception {
		PreparedStatement statement = this.statement.get();
		if (statement == null) {
			SumkException.throwException(234132, "连接已关闭");
		}
		List