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90 lines
2.8 KiB
90 lines
2.8 KiB
<?php
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// This file is part of Moodle - http://moodle.org/
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//
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// Moodle is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Moodle is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
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/**
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* Log iterator reader interface.
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*
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* @package core
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* @copyright 2015 David Monllao
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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namespace core\log;
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defined('MOODLE_INTERNAL') || die();
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/**
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* Log iterator reader interface.
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*
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* Replaces sql_select_reader adding functions
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* to return iterators.
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*
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* @since Moodle 2.9
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* @package core
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* @copyright 2015 David Monllao
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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interface sql_reader extends reader {
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/**
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* Fetch records using given criteria.
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*
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* @param string $selectwhere
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* @param array $params
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* @param string $sort
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* @param int $limitfrom
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* @param int $limitnum
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* @return \core\event\base[]
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*/
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public function get_events_select($selectwhere, array $params, $sort, $limitfrom, $limitnum);
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/**
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* Return number of events matching given criteria.
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*
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* @param string $selectwhere
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* @param array $params
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* @return int
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*/
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public function get_events_select_count($selectwhere, array $params);
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/**
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* Fetch records using the given criteria returning an traversable list of events.
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*
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* Note that the returned object is Traversable, not Iterator, as we are returning
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* EmptyIterator if we know there are no events, and EmptyIterator does not implement
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* Countable {@link https://bugs.php.net/bug.php?id=60577} so valid() should be checked
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* in any case instead of a count().
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*
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* Also note that the traversable object contains a recordset and it is very important
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* that you close it after using it.
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*
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* @param string $selectwhere
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* @param array $params
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* @param string $sort
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* @param int $limitfrom
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* @param int $limitnum
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* @return \Traversable|\core\event\base[] Returns an iterator containing \core\event\base objects.
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*/
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public function get_events_select_iterator($selectwhere, array $params, $sort, $limitfrom, $limitnum);
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/**
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* Returns an event from the log data.
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*
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* @param stdClass $data Log data
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* @return \core\event\base
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*/
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public function get_log_event($data);
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}
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