DbConnectionFactory 数据库连接

/** *  */package com.sprucetec.dbatch.tmsfee;

import java.io.Serializable;import java.sql.Connection;import java.sql.DriverManager;import java.sql.SQLException;

import scala.runtime.AbstractFunction0;

public class DbConnectionFactory {

static AbstractFunction0<Connection> getTmsBasic(){        return new AbstractFunction0Seri(Constants.Url4TmsBasic, Constants.User4TmsBasic, Constants.Pass4TmsBasic);    }

static AbstractFunction0<Connection> getTms(){        return new AbstractFunction0Seri(Constants.Url4Tms, Constants.User4Tms, Constants.Pass4Tms);    }

static AbstractFunction0<Connection> getTmsDC(){        return new AbstractFunction0Seri(Constants.Url4TmsDC, Constants.User4TmsDC, Constants.Pass4TmsDC);    }

private static class AbstractFunction0Seri extends AbstractFunction0<Connection> implements Serializable{

private static final long serialVersionUID = 1L;

private final String url;

private final String username;

private final String password;

public AbstractFunction0Seri(String url,String username,String password){            this.url = url;            this.username = username;            this.password = password;        }

@Override        public Connection apply() {            try {                return DriverManager.getConnection(this.url, this.username, this.password);            } catch (SQLException e) {                throw new RuntimeException("数据库连接失败", e);            }        }    }

}