Mercurial > libervia-backend
annotate doc/jp/pubsub_node_schema.rst @ 3153:2c7b42f53e9a
core (xmpp): avoid starting several clients at the same time:
a check is done to avoid running startConnection several times at once, which would lead
to the creation of several SatXMPPEntity instances at the same time, resulting in many
issues.
If startConnection is called while a previous one is not finished yet, a CancelError is
now raised.
| author | Goffi <goffi@goffi.org> |
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| date | Mon, 03 Feb 2020 13:46:24 +0100 |
| parents | 72583524cfd3 |
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1 .. _jp-pubsub_node_schema: |
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2 |
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3 ========================================= |
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4 pubsub/node/schema: nodes schema handling |
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5 ========================================= |
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6 |
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7 ``node schema`` is an experimental feature to associate a data form with a PubSub node, and |
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8 reject items not following this form. This feature is currently only available with SàT |
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9 PubSub. |
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10 |
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11 Those commands can only be used by an owner of the node. |
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12 |
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13 set |
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14 === |
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15 |
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16 Set the schema of a node. The raw schema is written directly as positional argument. |
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17 |
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18 example |
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19 ------- |
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20 |
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21 Set the schema for tickets node using the file ``tickets_schema.xml`` from ``$HOME`` |
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22 directory. Shell substition is used here to put the content of the file in the positional |
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23 argument:: |
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24 |
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25 $ jp pubsub node schema set -n org.salut-a-toi.tickets:0 -s pubsub.example.org "$(<~/test_schema.xml)" |
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26 |
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27 |
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28 edit |
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29 ==== |
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30 |
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31 Edit the schema of a node using your local editor (the one set in ``$EDITOR``). |
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32 |
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33 If you don't change anything or publish an empty schema, the edition will be cancelled. |
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34 |
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35 :ref:`draft_common` commands can be used. |
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36 |
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37 example |
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38 ------- |
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39 |
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40 Edit the tickets node schema:: |
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41 |
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42 $ jp pubsub node schema edit -n org.salut-a-toi.tickets:0 -s pubsub.example.org |
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43 |
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44 |
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45 example |
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46 ------- |
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47 |
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48 get |
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49 === |
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50 |
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51 Retrieve schema of a node. |
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52 |
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53 example |
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54 ------- |
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55 |
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56 Get schema of tickets and save it to a file named ``tickets_schema.xml`` in ``$HOME`` |
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57 directory:: |
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58 |
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59 $ jp pubsub node schema get -n org.salut-a-toi.tickets:0 -s pubsub.example.org > ~/tickets_schema.xml |