doc/book/en/B2020-hooks.en.txt
author Sandrine Ribeau <sandrine.ribeau@logilab.fr>
Tue, 05 May 2009 02:55:08 -0700
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[doc] Add FAQ entries based on answers from forum.
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.. -*- coding: utf-8 -*-
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.. _hooks:
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Hooks
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=====
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XXX FILLME
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*Hooks* are executed before or after updating an entity or a relation in the
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repository.
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Their prototypes are as follows: 
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    * after_add_entity     (session, entity)
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    * after_update_entity  (session, entity)
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    * after_delete_entity  (session, eid)
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    * before_add_entity    (session, entity)
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    * before_update_entity (session, entity)
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    * before_delete_entity (session, eid)
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    * after_add_relation     (session, fromeid, rtype, toeid)
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    * after_delete_relation  (session, fromeid, rtype, toeid)
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    * before_add_relation    (session, fromeid, rtype, toeid)
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    * before_delete_relation (session, fromeid, rtype, toeid)
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    * server_startup
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    * server_shutdown
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    * session_open
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    * session_close
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