Gitlet

2016-05-03 10:26:47   0  举报

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Gitlet是一个用Java编写的简单版本控制系统，旨在演示和教授Git的基本概念。它由Alice和Bob开发，用于管理他们的源代码。Gitlet包括三个主要组件：工作区、暂存区和仓库。工作区是用户正在处理的文件，暂存区是已修改但尚未提交的文件，仓库是存储所有提交历史的地方。Gitlet支持创建分支、合并分支、添加和删除文件等功能。它还提供了一些基本的实用程序，如`status`（显示工作区和暂存区的状态）、`add`（将文件添加到暂存区）和`commit`（将暂存区的更改提交到仓库）。尽管功能有限，但Gitlet是一个很好的入门工具，可以帮助初学者理解Git的工作原理。

作者其他创作

大纲/内容

GitletModel

gitletObservers: ArrayListaddSet: HashSetGitletPath: StringcurCommitedId: intlastCommited: intcommitMessage: StringcommitDate: String

+ init():void+ add(): HashSet+ commit(): void + log(): String+ status(): void+ checkout(branchName: String): void+ branch(): void+ rmBranch(branchName: String): void+ reset(commitId: int): void+ rebase(branchName: String): void+ merge(branchName: String): void + registerObserver(o: GitletObserver): void+ removeObserver(o: GitletObserver): void+ gitletEvent(): void+ getCommitDate(): String+ getCommitMessage(): String+ setCommitMessage(commitMessage: String): void+ getCurCommitedId(): int+ setCurCommitedId(curCommitedId: int): void

GitletController

- gitletModel: GitletModelInterface- gitletView: GitletView

+ initialize(): void+ addFile(fileName: String): void+ commitFile(): void+ logData(): void+ statusData(): void+ checkoutBranch(branchName: String): String+ createBranch(): void+ rmBranch(branchName: String): void+ reset(commitId: int): void+ merge(branchName: String): void+ rebase(branchName: String): void

GitletModelInterface

init()add(fileName: String)commit()log()status()checkout(branchName: String)branch()rmBranch(branchName: String)reset(commitId: int)merge(branchName: String)rebase(branchName: String)registerObserver()removeObserver()getCommitDate()getCommitMessage()setCommitMessage(commitMessage: String)getCurCommitedId()setCurCommitedId(curCommitedId: int)

GitletObserver

updateStatus()

GitletControllerlInterface

initialize()addFile(fileName: String)commitFile()logData()statusData()checkoutBranch(branchName: String)createBranch()rmBranch(branchName: String)reset(commitId: int)merge(branchName: String)rebase(branchName: String)

GitletView

frame: JFrameleftPanel: JPanelrightPanel: JPanelinitBtn: JButtonaddBtn: JButtoncommitBtn: JButtonlogBtn: JButtonJTextArea: textscroller: JScrollPanegitletController: GitletControllerInterfacegitletModel: GitletModelInterface

+ createView(): void+ actionPerformed(): void + updateStatus(): void