Skip to content
体验新版
项目
组织
正在加载...
登录
切换导航
打开侧边栏
QZero_0
java-design-patterns
提交
af1b6111
J
java-design-patterns
项目概览
QZero_0
/
java-design-patterns
与 Fork 源项目一致
从无法访问的项目Fork
通知
1
Star
0
Fork
0
代码
文件
提交
分支
Tags
贡献者
分支图
Diff
Issue
0
列表
看板
标记
里程碑
合并请求
0
Wiki
0
Wiki
分析
仓库
DevOps
项目成员
Pages
J
java-design-patterns
项目概览
项目概览
详情
发布
仓库
仓库
文件
提交
分支
标签
贡献者
分支图
比较
Issue
0
Issue
0
列表
看板
标记
里程碑
合并请求
0
合并请求
0
Pages
分析
分析
仓库分析
DevOps
Wiki
0
Wiki
成员
成员
收起侧边栏
关闭侧边栏
动态
分支图
创建新Issue
提交
Issue看板
GitCode(gitcode.net)2024年7月9日维护升级公告
前往新版Gitcode,体验更适合开发者的 AI 搜索 >>
提交
af1b6111
编写于
10月 13, 2020
作者:
R
Rakesh Venkatesh
浏览文件
操作
浏览文件
下载
电子邮件补丁
差异文件
code refactor
上级
4ff196ce
变更
3
隐藏空白更改
内联
并排
Showing
3 changed file
with
21 addition
and
23 deletion
+21
-23
command/src/main/java/com/iluwatar/command/App.java
command/src/main/java/com/iluwatar/command/App.java
+4
-6
command/src/main/java/com/iluwatar/command/Goblin.java
command/src/main/java/com/iluwatar/command/Goblin.java
+0
-17
command/src/main/java/com/iluwatar/command/Target.java
command/src/main/java/com/iluwatar/command/Target.java
+17
-0
未找到文件。
command/src/main/java/com/iluwatar/command/App.java
浏览文件 @
af1b6111
...
...
@@ -30,12 +30,10 @@ package com.iluwatar.command;
*
* <p>Four terms always associated with the command pattern are command, receiver, invoker and
* client. A command object (spell) knows about the receiver (target) and invokes a method of the
* receiver. Values for parameters of the receiver method are stored in the command. The receiver
* then does the work. An invoker object (wizard) knows how to execute a command, and optionally
* does bookkeeping about the command execution. The invoker does not know anything about a is
* executed. Both an invoker object and several command
* objects are held by a client object (app). The client decides which commands to execute at which
* points. To execute a command, it passes a reference of the command object to the invoker object.
* receiver. An invoker object (wizard) receives a reference to the command to be executed and
* optionally does bookkeeping about the command execution. The invoker does not know anything
* about how the command is executed. The client decides which commands to execute at which
* points. To execute a command, it passes a reference of the function to the invoker object.
*
* <p>In other words, in this example the wizard casts spells on the goblin. The wizard keeps track
* of the previous spells cast, so it is easy to undo them. In addition, the wizard keeps track of
...
...
command/src/main/java/com/iluwatar/command/Goblin.java
浏览文件 @
af1b6111
...
...
@@ -42,21 +42,4 @@ public class Goblin extends Target {
public
String
toString
()
{
return
"Goblin"
;
}
/**
* changeSize.
*/
public
void
changeSize
()
{
var
oldSize
=
getSize
()
==
Size
.
NORMAL
?
Size
.
SMALL
:
Size
.
NORMAL
;
setSize
(
oldSize
);
}
/**
* changeVisibility.
*/
public
void
changeVisibility
()
{
var
visible
=
getVisibility
()
==
Visibility
.
INVISIBLE
?
Visibility
.
VISIBLE
:
Visibility
.
INVISIBLE
;
setVisibility
(
visible
);
}
}
command/src/main/java/com/iluwatar/command/Target.java
浏览文件 @
af1b6111
...
...
@@ -62,4 +62,21 @@ public abstract class Target {
public
void
printStatus
()
{
LOGGER
.
info
(
"{}, [size={}] [visibility={}]"
,
this
,
getSize
(),
getVisibility
());
}
/**
* Changes the size of the target.
*/
public
void
changeSize
()
{
var
oldSize
=
getSize
()
==
Size
.
NORMAL
?
Size
.
SMALL
:
Size
.
NORMAL
;
setSize
(
oldSize
);
}
/**
* Changes the visibility of the target.
*/
public
void
changeVisibility
()
{
var
visible
=
getVisibility
()
==
Visibility
.
INVISIBLE
?
Visibility
.
VISIBLE
:
Visibility
.
INVISIBLE
;
setVisibility
(
visible
);
}
}
编辑
预览
Markdown
is supported
0%
请重试
或
添加新附件
.
添加附件
取消
You are about to add
0
people
to the discussion. Proceed with caution.
先完成此消息的编辑!
取消
想要评论请
注册
或
登录