Tool Mentor: Checking Out and Checking In Configuration Items Using Rational ClearCase

Purpose

This tool mentor describes how to create a new version of a configuration item (check out) and how to make the new version of the configuration item persistent in the configuration management database (check in).

This section provides links to additional information related to this tool mentor.

• Deliver Changes
• Set Up Configuration Management (CM) Environment
• Establish Change Control Process
• Make Changes

Overview

This tool mentor describes the use of check in and check out with the base ClearCase model and is applicable when running Microsoft Windows.

Tool Steps

To check out and check in configuration items with ClearCase:

1. Check out the files you want to change
2. Make changes and perform unit tests to verify the changes
3. Check in the changes

1. Check out the files you want to change

• Navigate to the ClearCase Explorer. From the Windows task bar, click Start > Programs > Rational Software > Rational ClearCase > ClearCase Explorer.
• In ClearCase Explorer, right-click the item or items to check out and select Check Out from the ClearCase context menu.
• Type your comment in the Check Out dialog box and click OK.

  See the ClearCase manual Developing Software or ClearCase online Help for more information about checking out files.

2. Make changes and perform unit tests to verify the changes

Test the changes you've made to your private copy of the files or directories you've checked out. Once your work is checked in, it's accessible to other team members.

3. Check in the changes

• Navigate to ClearCase Explorer. 
• In ClearCase Explorer, right-click the item or items to check in and select Check In from the ClearCase context menu.
• Type your comment in the Check In dialog box and click OK.

  See the ClearCase manual Developing Software or   ClearCase online Help for more information about checking in files.

Rational Unified Process