Rainer Klute

The itemis blog

Rainer Klute is the data protection officer of itemis AG in Lünen and also works as a software architect. As a proofreader, he checks numerous German and English texts before they are published. He also oversees the documentation of some itemis products.

IoT, GDPR

How to avoid unavoidable data protection audits

Anyone who hosts his cloud application at a service provider and processes personal data – even if only the users' IP addresses – has the legal right to carry out on-site inspections at the service provider's premises and computer centres. This article describes ...

by Rainer Klute

10 min. reading time
itemis products, Embedded, Traceability

How to set up a YAKINDU Traceability configuration from scratch

Information: YAKINDU Traceability Is Now itemis ANALYZE Those of you who are following the blog posts on YAKINDU Traceability (YT) (now itemis ANALYZE) know or at least have an impression of how powerful this tool is to trace links between all kinds of different ...

by Rainer Klute

27 min. reading time
itemis products, itemis CREATE, State Machine, Embedded

Rolling the dice – part 2: Controlling the state machine externally

Information: YAKINDU Statechart Tools Is Now itemis CREATE In the first part, we have integrated Java functionality into a YAKINDU statechart. In our particular case, it is a Java method that delivers a random value allowing the statechart to behave like a dice. ...

by Rainer Klute

21 min. reading time
itemis products, itemis CREATE, Embedded

Rolling the dice – part 1: Calling Java methods from state machines

Information: YAKINDU Statechart Tools Is Now itemis CREATE YAKINDU Statechart Tools (now itemis CREATE) provide a versatile way for modeling and testing finite-state automata. However, what if you want to combine your state machine with some “outside” ...

by Rainer Klute

23 min. reading time
itemis products, itemis CREATE, State Machine, Embedded

How to use state machines for your modeling (Part 5): The State Pattern

After we have discovered the implementation of state machines by means of switch statement and table, let's take a look at an object-oriented implementation variant: the State pattern. We will then compare the three variants.

by Rainer Klute

12 min. reading time
itemis products, itemis CREATE, State Machine, Embedded

How to use state machines for your modeling (Part 4): The state machine as a table

In the first parts of our series "How to use state machines for your modeling", we have looked at the basics of state machines and graphical modelling (see part 1 and part 2) and discovered the implementation by means of a switch statement.

by Rainer Klute

12 min. reading time
itemis products, itemis CREATE, State Machine, Embedded

How to use state machines for your modeling (Part 3): The big switch statement

Having read part 1 and part 2 of this series, we should now have a better understanding of state machines, basic elements of the graphical modeling language and time-controlled state transitions. In the following sections we examine how model code is created from ...

by Rainer Klute

7 min. reading time
itemis products, itemis CREATE, State Machine, Embedded

How to use state machines for your modeling (Part 2): Time-controlled triggering of state transitions

In the first part of this series, we used YAKINDU Statechart Tools to model the behaviour of a blind control as a state machine, and we discovered basic elements of the modeling language, such as states, transitions, or events.

by Rainer Klute

13 min. reading time
itemis products, itemis CREATE, State Machine, Embedded

How to use state machines for your modeling (Part 1)

Computer science is about solving specific tasks with the help of computers or computer-controlled systems. Examples might include the creation of a railway timetable, the visualisation of neutron fluxes, the distribution of power in a nuclear reactor, the ...

by Rainer Klute

10 min. reading time
Eclipse, Usability, Software Development

How to improve your GUI design with usability tests

Developing and actually using a graphical user interface (GUI) are two sides of a coin. As a software developer, have you ever wondered how users of your application are getting along with the GUI you created for them?

by Rainer Klute

8 min. reading time

How to avoid unavoidable data protection audits

How to set up a YAKINDU Traceability configuration from scratch

Rolling the dice – part 2: Controlling the state machine externally

Rolling the dice – part 1: Calling Java methods from state machines

How to use state machines for your modeling (Part 5): The State Pattern

How to use state machines for your modeling (Part 4): The state machine as a table

How to use state machines for your modeling (Part 3): The big switch statement

How to use state machines for your modeling (Part 2): Time-controlled triggering of state transitions

How to use state machines for your modeling (Part 1)

How to improve your GUI design with usability tests