Magma First Steps
brasspen at gmail.com
Fri Feb 20 01:09:31 UTC 2009
Thanks for the instructions. They were great. I gave it a run through on
Workspace. I didn't have any problems. Each part worked quite well.
1. From SqueakMap Package Loader, I installed (by menu-clicking on the item
and selecting "install"):
- Magma Server v 4.1.1
- Magma Client v 4.1.1
- Magma Tester v 4.1.1
2. From squeaksource I installed (these are NOT required but provide some
examples, especially Lava tests)
- ToDo-lr.10.mcz : MCHttpRepository location: '
http://www.squeaksource.com/SeaBookToDo' user: '' password: ''
- SeabookToDoPlusMagma-cmm.1.mcz : MCHttpRepository location: '
http://www.squeaksource.com/SeabookToDoPlusMagma' user: '' password: ''
'http://www.squeaksource.com/MagmaTester' user: '' password: ''
- Lava-brp.36.mcz + Lava testing.brp.34.mcz : MCHttpRepository location: '
http://www.squeaksource.com/Lava' user: '' password: ''
Steps followed for each item above:
- open Monticello Browser
- nothing highlighted in left or right pane,
- click +Repository,
- select HTTP, type in MCHttprepository location: ...
- on the right, the new repository is highlighted, blue click (middle) on
it, select 'Open Repository' - a Repository Browser will appear.
- In the repository browser, huighlight a MCZ package on the right, select
'load' in the menu, type in login and password, new window will popup
- select mcz you want to load (e.g. Lava-brp.36.mcz), and click on 'Load'
3. I have accumulated some links as to how to use Magma. Apart from the
I think the first is the only link one really needs when starting with
Magma. I would suggest to ignore the "multi user mode" - just do the single
user mode connect. Steps to create a database and use it in single-user mode
are something like this (you can paste all steps 1-5 in one workspace and
run Alt-D as a test):
"1. create a repository"
myRootTable := Dictionary new.
"You need to run the above only once, unless you delete the repository.
myRootTable is root object of the repository. This is the root of your
"2. open a single-user session (put this at the beginning of your
application, for example Seaside session start. That way, it runs every time
the application starts)"
myMagmaSession := MagmaSession openLocal: 'c:\myMagmaFolder'.
myMagmaSession connectAs: 'chris'
"3. Add data, for example "
[ myMagmaSession root
put: (OrderedCollection with: (Object new)) ]
"4. If you inspect (Alt-I in workspace)"
"you should see one Object there, the Object you added above. This is not
realistic, obviously you wold be adding Persons there, for which you would
need a Person class. All objects connected to the Person object you add will
be stored. Next time you start, you will still have them available via "
"5. close the session when done (at the end of your application)"
myMagmaSession disconnect; closeRepository
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