60 lines
2.0 KiB
PHP
60 lines
2.0 KiB
PHP
<?php
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/* vim: set expandtab tabstop=4 shiftwidth=4: */
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/**
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* File containing the Net_LDAP2_SchemaCache interface class.
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*
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* PHP version 5
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*
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* @category Net
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* @package Net_LDAP2
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* @author Benedikt Hallinger <beni@php.net>
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* @copyright 2009 Benedikt Hallinger
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* @license http://www.gnu.org/licenses/lgpl-3.0.txt LGPLv3
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* @version SVN: $Id: SchemaCache.interface.php 286718 2009-08-03 07:30:49Z beni $
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* @link http://pear.php.net/package/Net_LDAP2/
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*/
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/**
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* Interface describing a custom schema cache object
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*
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* To implement a custom schema cache, one must implement this interface and
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* pass the instanciated object to Net_LDAP2s registerSchemaCache() method.
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*/
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interface Net_LDAP2_SchemaCache
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{
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/**
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* Return the schema object from the cache
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*
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* Net_LDAP2 will consider anything returned invalid, except
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* a valid Net_LDAP2_Schema object.
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* In case you return a Net_LDAP2_Error, this error will be routed
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* to the return of the $ldap->schema() call.
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* If you return something else, Net_LDAP2 will
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* fetch a fresh Schema object from the LDAP server.
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*
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* You may want to implement a cache aging mechanism here too.
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*
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* @return Net_LDAP2_Schema|Net_LDAP2_Error|false
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*/
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public function loadSchema();
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/**
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* Store a schema object in the cache
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*
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* This method will be called, if Net_LDAP2 has fetched a fresh
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* schema object from LDAP and wants to init or refresh the cache.
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*
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* In case of errors you may return a Net_LDAP2_Error which will
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* be routet to the client.
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* Note that doing this prevents, that the schema object fetched from LDAP
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* will be given back to the client, so only return errors if storing
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* of the cache is something crucial (e.g. for doing something else with it).
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* Normaly you dont want to give back errors in which case Net_LDAP2 needs to
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* fetch the schema once per script run and instead use the error
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* returned from loadSchema().
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*
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* @return true|Net_LDAP2_Error
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*/
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public function storeSchema($schema);
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}
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