232 lines
8.2 KiB
PHP
232 lines
8.2 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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/**
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* Doctrine_Configurable
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* the base for Doctrine_Table, Doctrine_Manager and Doctrine_Connection
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*
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*
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* @package Doctrine
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* @license http://www.opensource.org/licenses/lgpl-license.php LGPL
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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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* @author Konsta Vesterinen <kvesteri@cc.hut.fi>
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*/
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abstract class Doctrine_Configurable {
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/**
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* @var array $attributes an array of containing all attributes
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*/
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private $attributes = array();
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/**
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* @var $parent the parents of this component
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*/
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private $parent;
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/**
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* setAttribute
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* sets a given attribute
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*
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* <code>
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* $manager->setAttribute(Doctrine::ATTR_PORTABILITY, Doctrine::PORTABILITY_ALL);
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*
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* // or
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*
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* $manager->setAttribute('portability', Doctrine::PORTABILITY_ALL);
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* </code>
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*
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* @param mixed $attribute either a Doctrine::ATTR_* integer constant or a string
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* corresponding to a constant
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* @param mixed $value the value of the attribute
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* @see Doctrine::ATTR_* constants
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* @throws Doctrine_Exception if the value is invalid
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* @return void
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*/
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public function setAttribute($attribute,$value) {
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switch($attribute):
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case Doctrine::ATTR_BATCH_SIZE:
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if($value < 0)
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throw new Doctrine_Exception("Batch size should be greater than or equal to zero");
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break;
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case Doctrine::ATTR_FETCHMODE:
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if($value < 0)
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throw new Doctrine_Exception("Unknown fetchmode. See Doctrine::FETCH_* constants.");
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break;
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case Doctrine::ATTR_LISTENER:
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$this->setEventListener($value);
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break;
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case Doctrine::ATTR_LOCKMODE:
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if($this instanceof Doctrine_Connection) {
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if($this->getTransaction()->getState() != Doctrine_Connection_Transaction::STATE_OPEN)
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throw new Doctrine_Exception("Couldn't set lockmode. There are transactions open.");
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} elseif($this instanceof Doctrine_Manager) {
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foreach($this as $connection) {
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if($connection->getTransaction()->getState() != Doctrine_Connection_Transaction::STATE_OPEN)
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throw new Doctrine_Exception("Couldn't set lockmode. There are transactions open.");
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}
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} else {
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throw new Doctrine_Exception("Lockmode attribute can only be set at the global or connection level.");
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}
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break;
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case Doctrine::ATTR_CREATE_TABLES:
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$value = (bool) $value;
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break;
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case Doctrine::ATTR_ACCESSORS:
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$accessors = array('none','get','set','both');
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// if( ! in_array($value,$accessors))
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// throw new Doctrine_Exception();
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break;
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case Doctrine::ATTR_COLL_LIMIT:
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if($value < 1) {
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throw new Doctrine_Exception("Collection limit should be a value greater than or equal to 1.");
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}
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break;
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case Doctrine::ATTR_COLL_KEY:
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if( ! ($this instanceof Doctrine_Table))
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throw new Doctrine_Exception("This attribute can only be set at table level.");
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if( ! $this->hasColumn($value))
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throw new Doctrine_Exception("Couldn't set collection key attribute. No such column '$value'");
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break;
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case Doctrine::ATTR_VLD:
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case Doctrine::ATTR_AUTO_LENGTH_VLD:
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case Doctrine::ATTR_AUTO_TYPE_VLD:
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case Doctrine::ATTR_QUERY_LIMIT:
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break;
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case Doctrine::ATTR_CACHE:
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if($value != Doctrine::CACHE_SQLITE && $value != Doctrine::CACHE_NONE)
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throw new Doctrine_Exception("Unknown cache container. See Doctrine::CACHE_* constants for availible containers.");
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break;
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default:
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throw new Doctrine_Exception("Unknown attribute.");
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endswitch;
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$this->attributes[$attribute] = $value;
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}
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/**
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* @param Doctrine_EventListener $listener
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* @return void
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*/
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public function setEventListener($listener) {
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return $this->setListener($listener);
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}
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/**
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* addListener
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*
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* @param Doctrine_Db_EventListener_Interface|Doctrine_Overloadable $listener
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* @return Doctrine_Db
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*/
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public function addListener($listener, $name = null) {
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if( ! ($this->attributes[Doctrine::ATTR_LISTENER] instanceof Doctrine_EventListener_Chain))
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$this->attributes[Doctrine::ATTR_LISTENER] = new Doctrine_EventListener_Chain();
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$this->attributes[Doctrine::ATTR_LISTENER]->add($listener, $name);
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return $this;
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}
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/**
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* getListener
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*
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* @return Doctrine_Db_EventListener_Interface|Doctrine_Overloadable
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*/
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public function getListener() {
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if( ! isset($this->attributes[Doctrine::ATTR_LISTENER])) {
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if(isset($this->parent))
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return $this->parent->getListener();
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return null;
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}
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return $this->attributes[Doctrine::ATTR_LISTENER];
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}
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/**
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* setListener
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*
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* @param Doctrine_Db_EventListener_Interface|Doctrine_Overloadable $listener
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* @return Doctrine_Db
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*/
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public function setListener($listener) {
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if( ! ($listener instanceof Doctrine_EventListener_Interface) &&
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! ($listener instanceof Doctrine_Overloadable))
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throw new Doctrine_Exception("Couldn't set eventlistener. EventListeners should implement either Doctrine_EventListener_Interface or Doctrine_Overloadable");
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$this->attributes[Doctrine::ATTR_LISTENER] = $listener;
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return $this;
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}
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/**
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* returns the value of an attribute
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*
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* @param integer $attribute
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* @return mixed
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*/
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public function getAttribute($attribute) {
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$attribute = (int) $attribute;
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if($attribute < 1 || $attribute > 21)
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throw new Doctrine_Exception('Unknown attribute.');
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if( ! isset($this->attributes[$attribute])) {
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if(isset($this->parent))
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return $this->parent->getAttribute($attribute);
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return null;
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}
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return $this->attributes[$attribute];
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}
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/**
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* getAttributes
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* returns all attributes as an array
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*
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* @return array
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*/
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public function getAttributes() {
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return $this->attributes;
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}
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/**
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* sets a parent for this configurable component
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* the parent must be configurable component itself
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*
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* @param Doctrine_Configurable $component
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* @return void
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*/
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public function setParent(Doctrine_Configurable $component) {
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$this->parent = $component;
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}
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/**
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* getParent
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* returns the parent of this component
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*
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* @return Doctrine_Configurable
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*/
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public function getParent() {
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return $this->parent;
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}
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}
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