标签:eth util 类型 on() utils int ora ret base
抽象工厂模式,定义工厂接口,生产某一种类型的配件全部由某一家工厂所提供,解决不同工厂的兼容性问题。
/**
* 抽象工厂模式
*/
public class AbstratFactoryMethod {
public static void main(String[] args) {
}
}
//数据库连接接口,抽象工厂
interface IDatabaseUtils {
IConnection getConnection();
ICommand getCommand();
}
//连接接口
interface IConnection {
void connect();
}
//指令接口
interface ICommand {
void command();
}
//实现类1
class MysqlConnection implements IConnection {
@Override
public void connect() {
System.out.println("mysql connect");
}
}
//实现类2
class OracleConnection implements IConnection {
@Override
public void connect() {
System.out.println("Oracle connect");
}
}
//实现类1
class MysqlCommand implements ICommand {
@Override
public void command() {
System.out.println("mysql command");
}
}
//实现类2
class OracleCommand implements ICommand {
@Override
public void command() {
System.out.println("Oracle command");
}
}
//抽象工厂实现1
class MysqlDataBaseUtils implements IDatabaseUtils {
@Override
public IConnection getConnection() {
return new MysqlConnection();
}
@Override
public ICommand getCommand() {
return new MysqlCommand();
}
}
//抽象工厂实现1
class OracleDataBaseUtils implements IDatabaseUtils {
@Override
public IConnection getConnection() {
return new OracleConnection();
}
@Override
public ICommand getCommand() {
return new OracleCommand();
}
}
标签:eth util 类型 on() utils int ora ret base
原文地址:https://www.cnblogs.com/chenfx/p/14779194.html