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DOORS DXL SKIP LIST is a built-in data structure in IBM Rational DOORS that allows you to store a collection of values in a specific order. It is called a "skip list" because it uses a skip-list algorithm to provide efficient search and insertion operations, even for very large lists.

Cybersecurity in Aerospace Industry The aerospace industry is a critical sector that contributes significantly to national security, economic growth, and technological advancements. With the increasing use of digital technology in aircraft and aerospace systems, cybersecurity has become a significant concern for the industry. The threat of cyber attacks on the aerospace industry has the…

What is DXL Skip List? IBM Rational DOORS is a requirements management tool that allows you to capture, trace, analyse and manage requirements for complex systems. DOORS eXtension Language (DXL) is a programming language used in DOORS to automate tasks and extend the functionality of the tool. DOORS DXL SKIP LIST is a built-in data structure in IBM Rational DOORS that allows you to store a…

DOORS DXL Dialog Box In this article we will discuss DOORS DXL Dialog box. In IBM Rational DOORS DXL (DOORS eXtension Language), a dialog box is a graphical user interface element that allows users to input data and interact with a DXL script. A dialog box can be used to prompt the user for input, display messages or warnings, or provide status updates on the progress of a script. Overall,…

In this article we will discuss DOORS filtering and sorting. DOORS Filter refers to a feature in the IBM Rational DOORS software, which is a requirements management tool used in various industries, including aerospace, defence, automotive, and medical devices. A DOORS Filter allows users to select a subset of requirements from a larger set based on specific criteria. The criteria can include…

Attribute DXL In this example, we will discuss attribute DXL in DOORS. What is attribute DXL? In IBM DOORS, Attribute DXL (DOORS eXtension Language) is a scripting language used to manipulate and manage attribute values for requirements and other objects in a DOORS module. With Attribute DXL, you can retrieve the values of attributes, modify them, and perform calculations or operations on…

DOORS Attribute Type In this article we will discuss DOORS attribute type – how to list all attribute types, create a new attribute type, create an enumerated type attribute. In IBM DOORS, an attribute type defines the kind of data that can be stored in an attribute. When creating or modifying an attribute, you must choose an attribute type that best suits the kind of data you want to…

In this article we will discuss IBM DOORS attribute. In IBM DOORS, an attribute is a piece of information that is associated with a requirement or other item in a project. Attributes can be used to capture a wide range of information about requirements, including their status, priority, owner, and description. Attributes are defined by the project team and can be customized to meet the specific…

This article describes the DOORS DXL module operations and example programs for creating and managing DOORS modules using DXL.  Create Module in DXL DXL allows us to create a new module using create() function. Here is an example code snippet – // www.TheCloudStrap.Com /************************************************************************ * $FILENAME: m1.dxl * $DESCRIPTION: DXL Module…

In this article, we will explain the DOORS DXL Items using a few programs. DOORS DXL Items An Item in DOORS is a reference to an item within a Project or Folder. Both Project and Folder are considered as DOORS DXL Items. Item Referencing   There are three different ways to reference an Item in the DOORS DXL environment –   Absolute reference – this always starts with a forward slash…

IBM Rational DOORS (Dynamic Object Oriented Requirement System) is a worldwide leading solution for requirement management. In this article, we will explain the IBM DOORS Architecture and Hierarchy. DOORS offers a graphical user interface as well as a programming interface (known as DXL) for viewing, analyzing, and processing requirements. It also provides the ability to set up access rights for…

What is SPI protocol? | Explained

What is SPI protocol? | Explained What is SPI protocol? Serial peripheral interface protocol is a kind of serial communication protocol that follows the full-duplex communication process for transmitting data. It is a synchronous protocol; whose transmission speed is high. The SPI protocol is also considered a master-slave type protocol because it is very simple and a perfect one for interfacing…

What is I2C protocol? | Explained

What is I2C protocol? | Explained I2C is a type of serial communication protocol, through which the data is sent bit by bit, with the help of a single wire. The full form of I2C is an inter-integrated circuit or inter IC. This 8-bit serial communication protocol takes the assistance of bus wires, which is: serial data wire (SDA) and serial clock wire (SCL) sending data. I2C is the combination of…

DO-178C Software Development Plan (SDP)

DO-178C Software Development Plan (SDP) In this article, we will discuss about software development plan document. The software development plan (SDP) is a key planning document that is required for any airborne software development process as per DO-178B/C. What is SDP? There are five key planning documents that need to be created during the project planning process – Plan for Software…

Structural Coverage Analysis (SCA)

Structural Coverage Analysis (SCA) In this article, we will discuss about Structural coverage analysis (SCA). This is a very important topic, specially when you are doing software verification/validation for avionics software. What is Coverage? Coverage refers to the adequacy of the verification activities of the airborne software. It is a measure, not a method or a test. Therefore, coverage…

DOORS DXL Array In this series of articles, I am going to explain to you about IBM DOORS DXL scripting from scratch. So, if you are a beginner in DXL scripting, hopefully, this article would help you. This is the part-7 of the DOORS DXL tutorial. So, if you are looking for a starting point to learn DXL scripting, you are on the right page! I know, we have the DXL reference manual and it’s a bit…