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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.conn;

import java.sql.Array;
import java.sql.Blob;
import java.sql.CallableStatement;
import java.sql.Clob;
import java.sql.Connection;
import java.sql.DatabaseMetaData;
import java.sql.NClob;
import java.sql.PreparedStatement;
import java.sql.SQLClientInfoException;
import java.sql.SQLException;
import java.sql.SQLWarning;
import java.sql.SQLXML;
import java.sql.Savepoint;
import java.sql.Statement;
import java.sql.Struct;
import java.util.Map;
import java.util.Properties;
import java.util.concurrent.Executor;

import org.yx.common.context.ActionContext;
import org.yx.db.event.EventLane;
import org.yx.log.Log;
import org.yx.log.Logs;

public final class SumkConnection implements Connection {

	private Connection inner;

	final SumkDataSource dataSource;

	private final boolean originAutoCommit;
	private boolean autoCommit;

	@Override
	public boolean isReadOnly() throws SQLException {
		return inner.isReadOnly();
	}

	public SumkConnection(Connection inner, SumkDataSource ds) {
		this.inner = inner;
		this.dataSource = ds;
		this.originAutoCommit = originAutoCommit();
	}

	private boolean originAutoCommit() {
		try {
			this.autoCommit = inner.getAutoCommit();
			return this.autoCommit;
		} catch (SQLException e) {
			Logs.db().error("获取原始的autoCommit失败", e);
			return true;
		}
	}

	public SumkDataSource dataSource() {
		return dataSource;
	}

	@Override
	public  T unwrap(Class iface) throws SQLException {
		return inner.unwrap(iface);
	}

	@Override
	public boolean isWrapperFor(Class iface) throws SQLException {
		return inner.isWrapperFor(iface);
	}

	@Override
	public Statement createStatement() throws SQLException {
		Statement stmt = inner.createStatement();
		return stmt;
	}

	@Override
	public PreparedStatement prepareStatement(String sql) throws SQLException {
		PreparedStatement stmt = inner.prepareStatement(sql);
		return stmt;
	}

	@Override
	public CallableStatement prepareCall(String sql) throws SQLException {
		CallableStatement stmt = inner.prepareCall(sql);
		return stmt;
	}

	@Override
	public String nativeSQL(String sql) throws SQLException {
		return inner.nativeSQL(sql);
	}

	@Override
	public void setAutoCommit(boolean auto) throws SQLException {
		if (auto == this.autoCommit) {
			return;
		}
		inner.setAutoCommit(auto);
		this.autoCommit = auto;
	}

	@Override
	public boolean getAutoCommit() {
		return autoCommit;
	}

	@Override
	public void commit() throws SQLException {
		if (ActionContext.get().isTest()) {
			this.rollback();
			return;
		}
		if (inner == null) {
			throw new SQLException("connection is closed");
		}
		inner.commit();
		EventLane.realPubuish(this);
	}

	@Override
	public void rollback() throws SQLException {
		inner.rollback();
		EventLane.remove(this);
	}

	@Override
	public void close() throws SQLException {
		if (this.inner == null) {
			return;
		}
		if (Log.get("sumk.conn.close").isTraceEnabled()) {
			Log.get("sumk.conn.close").trace("{} - 关闭连接", this);
		}
		EventLane.remove(this);
		try {
			this.recoverAutoCommit();
		} catch (Exception e) {
			Log.get("sumk.conn").error(e.getMessage(), e);
		}
		inner.close();
		this.inner = null;
	}

	@Override
	public boolean isClosed() throws SQLException {
		if (this.inner == null) {
			return true;
		}
		return inner.isClosed();
	}

	@Override
	public DatabaseMetaData getMetaData() throws SQLException {
		return inner.getMetaData();
	}

	@Override
	public void setReadOnly(boolean readOnly) throws SQLException {
		inner.setReadOnly(readOnly);
	}

	@Override
	public void setCatalog(String catalog) throws SQLException {
		inner.setCatalog(catalog);
	}

	@Override
	public String getCatalog() throws SQLException {
		return inner.getCatalog();
	}

	@Override
	public void setTransactionIsolation(int level) throws SQLException {
		inner.setTransactionIsolation(level);
	}

	@Override
	public int getTransactionIsolation() throws SQLException {
		return inner.getTransactionIsolation();
	}

	@Override
	public SQLWarning getWarnings() throws SQLException {
		return inner.getWarnings();
	}

	@Override
	public void clearWarnings() throws SQLException {
		inner.clearWarnings();
	}

	@Override
	public Statement createStatement(int resultSetType, int resultSetConcurrency) throws SQLException {
		Statement stmt = inner.createStatement(resultSetType, resultSetConcurrency);
		return stmt;
	}

	@Override
	public PreparedStatement prepareStatement(String sql, int resultSetType, int resultSetConcurrency)
			throws SQLException {
		PreparedStatement stmt = inner.prepareStatement(sql, resultSetType, resultSetConcurrency);
		return stmt;
	}

	@Override
	public CallableStatement prepareCall(String sql, int resultSetType, int resultSetConcurrency) throws SQLException {
		CallableStatement stmt = inner.prepareCall(sql, resultSetType, resultSetConcurrency);
		return stmt;
	}

	@Override
	public Map> getTypeMap() throws SQLException {
		return inner.getTypeMap();
	}

	@Override
	public void setTypeMap(Map> map) throws SQLException {
		inner.setTypeMap(map);
	}

	@Override
	public void setHoldability(int holdability) throws SQLException {
		inner.setHoldability(holdability);
	}

	@Override
	public int getHoldability() throws SQLException {
		return inner.getHoldability();
	}

	@Override
	public Savepoint setSavepoint() throws SQLException {
		return inner.setSavepoint();
	}

	@Override
	public Savepoint setSavepoint(String name) throws SQLException {
		return inner.setSavepoint(name);
	}

	@Override
	public void rollback(Savepoint savepoint) throws SQLException {
		inner.rollback(savepoint);
	}

	@Override
	public void releaseSavepoint(Savepoint savepoint) throws SQLException {
		inner.releaseSavepoint(savepoint);
	}

	@Override
	public Statement createStatement(int resultSetType, int resultSetConcurrency, int resultSetHoldability)
			throws SQLException {
		Statement stmt = inner.createStatement(resultSetType, resultSetConcurrency, resultSetHoldability);
		return stmt;
	}

	@Override
	public PreparedStatement prepareStatement(String sql, int resultSetType, int resultSetConcurrency,
			int resultSetHoldability) throws SQLException {
		PreparedStatement stmt = inner.prepareStatement(sql, resultSetType, resultSetConcurrency, resultSetHoldability);
		return stmt;
	}

	@Override
	public CallableStatement prepareCall(String sql, int resultSetType, int resultSetConcurrency,
			int resultSetHoldability) throws SQLException {
		CallableStatement stmt = inner.prepareCall(sql, resultSetType, resultSetConcurrency, resultSetHoldability);
		return stmt;
	}

	@Override
	public PreparedStatement prepareStatement(String sql, int autoGeneratedKeys) throws SQLException {
		PreparedStatement stmt = inner.prepareStatement(sql, autoGeneratedKeys);
		return stmt;
	}

	@Override
	public PreparedStatement prepareStatement(String sql, int[] columnIndexes) throws SQLException {
		PreparedStatement stmt = inner.prepareStatement(sql, columnIndexes);
		return stmt;
	}

	@Override
	public PreparedStatement prepareStatement(String sql, String[] columnNames) throws SQLException {
		PreparedStatement stmt = inner.prepareStatement(sql, columnNames);
		return stmt;
	}

	@Override
	public Clob createClob() throws SQLException {
		return inner.createClob();
	}

	@Override
	public Blob createBlob() throws SQLException {
		return inner.createBlob();
	}

	@Override
	public NClob createNClob() throws SQLException {
		return inner.createNClob();
	}

	@Override
	public SQLXML createSQLXML() throws SQLException {
		return inner.createSQLXML();
	}

	@Override
	public boolean isValid(int timeout) throws SQLException {
		return inner.isValid(timeout);
	}

	@Override
	public void setClientInfo(String name, String value) throws SQLClientInfoException {
		inner.setClientInfo(name, value);
	}

	@Override
	public void setClientInfo(Properties properties) throws SQLClientInfoException {
		inner.setClientInfo(properties);
	}

	@Override
	public String getClientInfo(String name) throws SQLException {
		return inner.getClientInfo(name);
	}

	@Override
	public Properties getClientInfo() throws SQLException {
		return inner.getClientInfo();
	}

	@Override
	public Array createArrayOf(String typeName, Object[] elements) throws SQLException {
		return inner.createArrayOf(typeName, elements);
	}

	@Override
	public Struct createStruct(String typeName, Object[] attributes) throws SQLException {
		return inner.createStruct(typeName, attributes);
	}

	@Override
	public void setSchema(String schema) throws SQLException {
		inner.setSchema(schema);
	}

	@Override
	public String getSchema() throws SQLException {
		return inner.getSchema();
	}

	@Override
	public void abort(Executor executor) throws SQLException {
		inner.abort(executor);
	}

	@Override
	public void setNetworkTimeout(Executor executor, int milliseconds) throws SQLException {
		inner.setNetworkTimeout(executor, milliseconds);
	}

	@Override
	public int getNetworkTimeout() throws SQLException {
		return inner.getNetworkTimeout();
	}

	@Override
	public String toString() {
		return this.dataSource + "::" + String.valueOf(inner);
	}

	public boolean isSameInnerConnection(SumkConnection w) {
		return w != null && this.inner == w.inner && this.dataSource == w.dataSource;
	}

	public SumkConnection copy() {
		return new SumkConnection(this.inner, this.dataSource);
	}

	private void recoverAutoCommit() throws SQLException {

		if (originAutoCommit == this.getAutoCommit()) {
			return;
		}
		Log.get("sumk.conn").trace("recover autoCommit to {}", originAutoCommit);
		inner.setAutoCommit(originAutoCommit);
	}
}