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doctrine2/lib/Doctrine/Connection/Profiler.php

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<?php
/*
* $Id$
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* This software consists of voluntary contributions made by many individuals
* and is licensed under the LGPL. For more information, see
* <http://www.phpdoctrine.org>.
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*/
Doctrine::autoload('Doctrine_Overloadable');
/**
* Doctrine_Connection_Profiler
*
* @package Doctrine
* @subpackage Connection
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* @author Konsta Vesterinen <kvesteri@cc.hut.fi>
* @license http://www.opensource.org/licenses/lgpl-license.php LGPL
* @link www.phpdoctrine.org
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* @since 1.0
* @version $Revision$
*/
class Doctrine_Connection_Profiler implements Doctrine_Overloadable, IteratorAggregate, Countable
{
/**
* @param array $listeners an array containing all availible listeners
*/
private $listeners = array('query',
'prepare',
'commit',
'rollback',
'connect',
'begintransaction',
'exec',
'execute',
);
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/**
* @param array $events an array containing all listened events
*/
private $events = array();
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/**
* constructor
*/
public function __construct() {
}
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/**
* setFilterQueryType
*
* @param integer $filter
* @return boolean
*/
public function setFilterQueryType() {
}
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/**
* method overloader
* this method is used for invoking different listeners, for the full
* list of availible listeners, see Doctrine_EventListener
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*
* @param string $m the name of the method
* @param array $a method arguments
* @see Doctrine_EventListener
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* @return boolean
*/
public function __call($m, $a)
{
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// first argument should be an instance of Doctrine_Event
if ( ! ($a[0] instanceof Doctrine_Event)) {
throw new Doctrine_Connection_Profiler_Exception("Couldn't listen event. Event should be an instance of Doctrine_Event.");
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}
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if (substr($m, 0, 3) === 'pre') {
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// pre-event listener found
$a[0]->start();
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if ( ! in_array($a[0], $this->events, true)) {
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$this->events[] = $a[0];
}
} else {
// after-event listener found
$a[0]->end();
}
/**
* If filtering by query type is enabled, only keep the query if
* it was one of the allowed types.
*/
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/**
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if ( ! is_null($this->filterTypes)) {
if ( ! ($a[0]->getQueryType() & $this->_filterTypes)) {
}
}
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*/
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}
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/**
* get
*
* @param mixed $key
* @return Doctrine_Event
*/
public function get($key)
{
if (isset($this->events[$key])) {
return $this->events[$key];
}
return null;
}
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/**
* getAll
* returns all profiled events as an array
*
* @return array all events in an array
*/
public function getAll()
{
return $this->events;
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}
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/**
* getIterator
* returns an iterator that iterates through the logged events
*
* @return ArrayIterator
*/
public function getIterator()
{
return new ArrayIterator($this->events);
}
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/**
* count
*
* @return integer
*/
public function count()
{
return count($this->events);
}
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/**
* pop the last event from the event stack
*
* @return Doctrine_Event
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*/
public function pop()
{
return array_pop($this->events);
}
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/**
* Get the Doctrine_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.
*
* @return Doctrine_Event
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*/
public function lastEvent()
{
if (empty($this->events)) {
return false;
}
end($this->events);
return current($this->events);
}
}