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package com.wxpn.tutorial.db;
import java.io.IOException;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
import java.sql.SQLWarning;
import java.sql.Statement;
import java.util.Date;
/**
* ÃèÊö: Êý¾Ý¿âÁ¬½Ó³ØÀà
*
*
* @version 1.0
*/
public class ConnectionPool implements Runnable {
private boolean _debug = false;
private Thread runner;
private Connection[] connPool;
private int[] connStatus; // (0) available; (1) locked by the client; (2)
// locked by the housekeeping thread
private long[] connLockTime;
private long[] connCreateTime;
private String[] connID;
private String dbdriver, dbserver, dbuser, dbpassword;
private int currConnections, connLast, minconns, maxconns, maxconnMSec;
// available: set to false on destroy, checked by getConnection()
private boolean available = true;
private SQLWarning currSQLWarning;
/**
* Creates a new Connection Broker<br>
*
* @param dbdriver
* JDBC driver. e.g. 'oracle.jdbc.driver.OracleDriver'<br>
* @param dbserver
* JDBC connect string. e.g.
* 'jdbc:oracle:thin:@203.92.21.109:1526:orcl'<br>
* @param dbuser
* Database login name. e.g. 'Scott'<br>
* @param dbpassword
* Database password. e.g. 'Tiger'<br>
* @param minconns
* Minimum number of connections to start with.<br>
* @param maxconns
* &
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