Author Topic: What does the arrow mean in Sequence Diagram? (Read 5071 times)

han · « **on:** September 27, 2006, 01:38:29 am »

Hi all,

When making a sequence diagram, I notice that sometimes there is an arrow close to a message. It changes the appearence of the control. Could anybody explain the semantics?

PS I have a picture, but i have problems showing it in this message...

Thanks!
Han.

Jan ´Bary´ Glas · « **Reply #1 on:** September 27, 2006, 02:24:55 am »

Showing a picture: You need to upload it somewhere in public Internet. e.g. http://imageshack.us and then it should work.

Exempla grata.

thomaskilian · « **Reply #2 on:** September 27, 2006, 01:49:23 pm »

Right click the label. Direction/what you need.

In Communication Diagrams this shows the message direction. I don't know why it shows in Sequence Diagrams?!

Eve · « **Reply #3 on:** September 27, 2006, 03:39:28 pm »

There is an arrow that gets displayed (from 6.5) near the source of a connector when it's selected to allow the activation level to be changed.

See http://www.sparxsystems.com/EAUserGuide/index.html?lifelineself_messagehierarch.htm

Is that what you're seeing?

han · « **Reply #4 on:** September 28, 2006, 03:01:22 am »

Hi all,

Here is the picture of the arrow i mean:

PS How do i paste the original picture in her?? Now you only see the thumbnail??

Jan ´Bary´ Glas · « **Reply #5 on:** September 28, 2006, 10:22:02 am »

Quote

PS How do i paste the original picture in her?? Now you only see the thumbnail??

Take the last link.

Eve · « **Reply #6 on:** September 28, 2006, 03:04:37 pm »

See my last post Han. There's a link to the EA help file that describes what the arrow is used for.

han · « **Reply #7 on:** September 29, 2006, 12:08:13 am »

Hi Simon and Jan,

Thanks for the responces. The link Simon posted was EXACTLY the answer to my question. And Jan, thanks for helping me out with posting an image with yabb.

Cheers!

Han.

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