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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.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 kim.zkp.quick.orm.exception.ConnectionException;
import kim.zkp.quick.orm.exception.ConnectionExceptionCount;
/**
 * class       :  QuickConnectionWrapper
 * @author     :  zhukaipeng
 * @version    :  1.0  
 * description :  jdbc Connection装饰类
 * @see        :  *
 */
public class ConnectionWrapper implements Connection{
	private final Long CONNECTION_SURVIVE_TIME = 6*60*60*1000L;//每一个连接从创建到销毁的时间为六个小时
	private Connection connection;
	private Long lastUsedTime;
	private Long createTime;
	private ConnectionPool pool;

	public ConnectionWrapper(Connection connection,ConnectionPool pool) {
		super();
		this.connection = connection;
		this.pool = pool;
		lastUsedTime = System.currentTimeMillis();
		createTime = System.currentTimeMillis();
	}

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

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

	@Override
	public Statement createStatement() throws SQLException {
		return this.connection.createStatement();
	}

	@Override
	public PreparedStatement prepareStatement(String sql) throws SQLException {
		return this.connection.prepareStatement(sql);
	}

	@Override
	public CallableStatement prepareCall(String sql) throws SQLException {
		return this.connection.prepareCall(sql);
	}

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

	@Override
	public void setAutoCommit(boolean autoCommit) throws SQLException {
		this.connection.setAutoCommit(autoCommit);		
	}

	@Override
	public boolean getAutoCommit() throws SQLException {
		return this.connection.getAutoCommit();
	}

	@Override
	public void commit() throws SQLException {
		this.connection.commit();		
	}

	@Override
	public void rollback() throws SQLException {
		this.connection.rollback();		
	}

	@Override
	public void close() throws SQLException {//线程级
//		SingleThreadConnectionHolder.removeConnection(this);
		this.pool.recycleConnection(this);
	}
	public void destroy(){//全局
		try {
			ConnectionExceptionCount.remove(this);
			this.connection.close();
		} catch (SQLException e) {
			throw new ConnectionException("关闭连接出现异常",e);
		}	
	}
	
	@Override
	public boolean isClosed() throws SQLException {
		return this.connection.isClosed();
	}

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

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

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

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

	@Override
	public String getCatalog() throws SQLException {
		return this.connection.getCatalog();
	}
	
	@Override
	public void setTransactionIsolation(int level) throws SQLException {
		this.connection.setTransactionIsolation(level);		
	}

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

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

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

	@Override
	public Statement createStatement(int resultSetType, int resultSetConcurrency) throws SQLException {
		return this.connection.createStatement();
	}

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

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

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

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

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

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

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

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

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

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

	@Override
	public Statement createStatement(int resultSetType, int resultSetConcurrency, int resultSetHoldability)
			throws SQLException {
		return this.connection.createStatement(resultSetType, resultSetConcurrency,resultSetHoldability);
	}

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

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

	@Override
	public PreparedStatement prepareStatement(String sql, int autoGeneratedKeys) throws SQLException {
		return this.connection.prepareStatement(sql, autoGeneratedKeys);
	}

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

	public Long getLastUsedTime() {
		return lastUsedTime;
	}

	public void setLastUsedTime(Long lastUsedTime) {
		this.lastUsedTime = lastUsedTime;
	}

	private Long getSurviveTime() {
		return System.currentTimeMillis() - createTime;
	}
	public boolean isSurvive(){
		return getSurviveTime() > CONNECTION_SURVIVE_TIME;
	}
	
}




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