| Revision 18311,
1.3 KB
checked in by ghudson, 22 years ago
(diff) |
|
This commit was generated by cvs2svn to compensate for changes in r18310,
which included commits to RCS files with non-trunk default branches.
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| Rev | Line | |
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| [18310] | 1 | Objects: |
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| 2 | ActivationContext: |
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| 3 | One per session. |
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| 4 | Performs queries on object directories. |
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| 5 | Gets an amalgamated list |
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| 6 | |
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| 7 | ObjectDirectory: |
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| 8 | Normally, one per user-system tuple. |
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| 9 | Maintains a database of objects. |
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| 10 | Activates objects upon request. |
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| 11 | |
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| 12 | ImplementationID (pseudo): |
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| 13 | Uniquely identifies an implementation. |
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| 14 | |
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| 15 | ActivationID (pseudo): |
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| 16 | ImplementationID, plus whatever other contextual information is necessary |
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| 17 | to activate the server (hostname, OD class, etc.) |
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| 18 | |
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| 19 | Use cases: |
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| 20 | |
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| 21 | Panel applet |
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| 22 | 1. User wants a new panel applet. |
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| 23 | 2. Panel asks ActivationContext->activate("impl_id") |
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| 24 | 3. AC asks ODs who has impl_id available. |
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| 25 | 4. AC looks through OD query results, looks for one that matches the requirements |
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| 26 | and preferences. |
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| 27 | (a) Narrow down list to those which match requirements. |
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| 28 | (b) Sort by preferences. |
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| 29 | (c) Choose first on list. |
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| 30 | 5. AC asks OD to activate server. |
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| 31 | 6. AC returns result. |
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| 32 | |
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| 33 | Bonobo component |
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| 34 | 1. User gets list of bonobo components |
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| 35 | (a) Query the AC for all objects that meet requirements, sort by preferences. |
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| 36 | 2. User chooses. |
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| 37 | 3. Proceed similar to above case from step 2. |
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| 38 | |
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| 39 | Editor |
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| 40 | 1. App says "give me an IDL:Editor:1.0". |
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| 41 | 2. AC searches through ODs |
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| 42 | (a) Narrow down list to those which match requirements. |
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| 43 | (b) Sort by preferences. |
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| 44 | (c) Choose first on list. |
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| 45 | |
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| 46 | XXX how to use defaults? |
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