95 lines
3.5 KiB
PHP
95 lines
3.5 KiB
PHP
<?php
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/*
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* $Id$
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* This software consists of voluntary contributions made by many individuals
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* and is licensed under the LGPL. For more information, see
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* <http://www.phpdoctrine.com>.
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*/
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Doctrine::autoload('Doctrine_Overloadable');
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/**
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* Doctrine_Db_Profiler
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*
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* @author Konsta Vesterinen <kvesteri@cc.hut.fi>
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* @license http://www.opensource.org/licenses/lgpl-license.php LGPL
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* @package Doctrine
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* @category Object Relational Mapping
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* @link www.phpdoctrine.com
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* @since 1.0
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* @version $Revision$
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*/
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class Doctrine_Db_Profiler implements Doctrine_Overloadable {
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/**
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* @param array $listeners an array containing all availible listeners
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*/
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private $listeners = array('query',
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'prepare',
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'commit',
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'rollback',
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'begintransaction',
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'exec',
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'execute',
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);
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/**
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* @param array $events an array containing all listened events
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*/
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private $events = array();
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/**
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* method overloader
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* this method is used for invoking different listeners, for the full
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* list of availible listeners, see Doctrine_Db_EventListener
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*
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* @param string $m the name of the method
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* @param array $a method arguments
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* @see Doctrine_Db_EventListener
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* @return void
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*/
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public function __call($m, $a) {
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// first argument should be an instance of Doctrine_Db_Event
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if( ! ($a[0] instanceof Doctrine_Db_Event))
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throw new Doctrine_Db_Profiler_Exception("Couldn't listen event. Event should be an instance of Doctrine_Db_Event.");
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// event methods should start with 'on'
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if(substr($m, 0, 2) !== 'on')
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throw new Doctrine_Db_Profiler_Exception("Couldn't invoke listener $m.");
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if(substr($m, 2, 3) === 'Pre' && in_array(strtolower(substr($m, 3)), $this->listeners)) {
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// pre-event listener found
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$a[0]->start();
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} else {
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// after-event listener found
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$a[0]->end();
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}
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$this->events[] = $a[0];
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}
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/**
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* Get the Doctrine_Db_Event object for the last query that was run, regardless if it has
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* ended or not. If the event has not ended, it's end time will be Null.
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*
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* @return Doctrine_Db_Event
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*/
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public function lastEvent() {
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if (empty($this->events)) {
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return false;
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}
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end($this->events);
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return current($this->events);
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}
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}
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