建造者模式类图及代码示例

最新推荐文章于 2023-09-19 00:16:24 发布

原创最新推荐文章于 2023-09-19 00:16:24 发布 · 788 阅读

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#设计模式 #建造者模式

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类图

java代码示例

1.Role类

package fire;

public class Role {
   private String race;
   private String sex;
   public String getRace() {
       return race;
   }
   public void setRace(String race) {
       this.race = race;
   }
   public String getSex() {
       return sex;
   }
   public void setSex(String sex) {
       this.sex = sex;
   }

}

2. RoleBulider抽象类

package fire;

public abstract class RoleBuilder {
   protected Role role = new Role();

   public abstract void buildRace();
   public abstract void buildSex();

   public Role getRole() {
       return role;
   }
}

3. RoleBuilderA类

package fire;

public class RoleBuilderA extends RoleBuilder{

   @Override
   public void buildRace() {
       // TODO Auto-generated method stub
       role.setRace("人类");
   }

   @Override
   public void buildSex() {
       // TODO Auto-generated method stub
       role.setSex("男");
   }

}

4. RoleBuilderB类

package fire;

public class RoleBuilderB extends RoleBuilder{

   @Override
   public void buildRace() {
       // TODO Auto-generated method stub
       role.setRace("精灵");
   }

   @Override
   public void buildSex() {
       // TODO Auto-generated method stub
       role.setSex("女");
   }

}

5.Author类

package fire;

public class Author {

   private RoleBuilder rb;

   public void setRoleBuilder(RoleBuilder rb) {
       this.rb = rb;
   }

   public Role construct() {
       rb.buildRace();
       rb.buildSex();
       return rb.getRole();
   }
}