413 lines
14 KiB
PHP
413 lines
14 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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* @subpackage Configurable
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* @license http://www.opensource.org/licenses/lgpl-license.php LGPL
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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 extends Doctrine_Locator_Injectable
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{
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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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protected $attributes = array();
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/**
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* @var Doctrine_Configurable $parent the parent of this component
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*/
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protected $parent;
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/**
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* @var array $_impl an array containing concrete implementations for class templates
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* keys as template names and values as names of the concrete
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* implementation classes
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*/
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protected $_impl = array();
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/**
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* @var array $_params an array of user defined parameters
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*/
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protected $_params = array();
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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,$value)
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{
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if (is_string($attribute)) {
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$upper = strtoupper($attribute);
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$const = 'Doctrine::ATTR_' . $attribute;
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if (defined($const)) {
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$this->_state = constant($const);
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} else {
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throw new Doctrine_Exception('Unknown attribute ' . $attribute);
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}
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}
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switch ($attribute) {
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case Doctrine::ATTR_FETCHMODE:
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throw new Doctrine_Exception('Deprecated attribute. See http://doctrine.pengus.net/doctrine/manual/new/?chapter=configuration');
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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_COLL_KEY:
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if ( ! ($this instanceof Doctrine_Table)) {
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throw new Doctrine_Exception("This attribute can only be set at table level.");
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}
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if ($value !== null && ! $this->hasColumn($value)) {
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throw new Doctrine_Exception("Couldn't set collection key attribute. No such column '$value'");
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}
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break;
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case Doctrine::ATTR_CACHE:
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if ($value !== null) {
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if ( ! ($value instanceof Doctrine_Cache_Interface)) {
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throw new Doctrine_Exception('Cache driver should implement Doctrine_Cache_Interface');
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}
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}
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break;
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case Doctrine::ATTR_VALIDATE:
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case Doctrine::ATTR_QUERY_LIMIT:
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case Doctrine::ATTR_QUOTE_IDENTIFIER:
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case Doctrine::ATTR_PORTABILITY:
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case Doctrine::ATTR_DEFAULT_TABLE_TYPE:
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case Doctrine::ATTR_EMULATE_DATABASE:
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case Doctrine::ATTR_USE_NATIVE_ENUM:
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case Doctrine::ATTR_DEFAULT_SEQUENCE:
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case Doctrine::ATTR_EXPORT:
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case Doctrine::ATTR_DECIMAL_PLACES:
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case Doctrine::ATTR_LOAD_REFERENCES:
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case Doctrine::ATTR_RECORD_LISTENER:
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case Doctrine::ATTR_THROW_EXCEPTIONS:
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case Doctrine::ATTR_DEFAULT_PARAM_NAMESPACE:
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break;
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case Doctrine::ATTR_SEQCOL_NAME:
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if ( ! is_string($value)) {
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throw new Doctrine_Exception('Sequence column name attribute only accepts string values');
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}
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break;
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case Doctrine::ATTR_FIELD_CASE:
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if ($value != 0 && $value != CASE_LOWER && $value != CASE_UPPER)
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throw new Doctrine_Exception('Field case attribute should be either 0, CASE_LOWER or CASE_UPPER constant.');
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break;
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case Doctrine::ATTR_SEQNAME_FORMAT:
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case Doctrine::ATTR_IDXNAME_FORMAT:
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case Doctrine::ATTR_TBLNAME_FORMAT:
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if ($this instanceof Doctrine_Table) {
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throw new Doctrine_Exception('Sequence / index name format attributes cannot be set'
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. 'at table level (only at connection or global level).');
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}
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break;
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default:
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throw new Doctrine_Exception("Unknown attribute.");
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}
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$this->attributes[$attribute] = $value;
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}
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public function getParams($namespace = null)
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{
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if ($namespace = null) {
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$namespace = $this->getAttribute(Doctrine::ATTR_DEFAULT_PARAM_NAMESPACE);
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}
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if ( ! isset($this->_params[$namespace])) {
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return null;
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}
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return $this->_params[$namespace];
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}
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public function getParamNamespaces()
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{
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return array_keys($this->_params);
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}
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public function setParam($name, $value, $namespace = null)
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{
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if ($namespace = null) {
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$namespace = $this->getAttribute(Doctrine::ATTR_DEFAULT_PARAM_NAMESPACE);
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}
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$this->_params[$namespace][$name] = $value;
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return $this;
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}
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public function getParam($name, $value, $namespace)
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{
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if ($namespace = null) {
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$namespace = $this->getAttribute(Doctrine::ATTR_DEFAULT_PARAM_NAMESPACE);
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}
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if ( ! isset($this->_params[$name])) {
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if (isset($this->parent)) {
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return $this->parent->getParam($name);
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}
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return null;
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}
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return $this->_params[$name];
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}
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/**
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* setImpl
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* binds given class to given template name
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*
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* this method is the base of Doctrine dependency injection
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*
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* @param string $template name of the class template
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* @param string $class name of the class to be bound
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* @return Doctrine_Configurable this object
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*/
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public function setImpl($template, $class)
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{
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$this->_impl[$template] = $class;
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return $this;
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}
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/**
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* getImpl
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* returns the implementation for given class
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*
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* @return string name of the concrete implementation
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*/
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public function getImpl($template)
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{
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if ( ! isset($this->_impl[$template])) {
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if (isset($this->parent)) {
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return $this->parent->getImpl($template);
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}
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return null;
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}
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return $this->_impl[$template];
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}
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/**
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* getCacheDriver
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*
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* @return Doctrine_Cache_Interface
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*/
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public function getCacheDriver()
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{
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if ( ! isset($this->attributes[Doctrine::ATTR_CACHE])) {
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throw new Doctrine_Exception('Cache driver not initialized.');
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}
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return $this->attributes[Doctrine::ATTR_CACHE];
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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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{
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return $this->setListener($listener);
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}
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/**
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* addRecordListener
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*
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* @param Doctrine_EventListener_Interface|Doctrine_Overloadable $listener
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* @return mixed this object
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*/
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public function addRecordListener($listener, $name = null)
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{
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if ( ! isset($this->attributes[Doctrine::ATTR_RECORD_LISTENER]) ||
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! ($this->attributes[Doctrine::ATTR_RECORD_LISTENER] instanceof Doctrine_Record_Listener_Chain)) {
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$this->attributes[Doctrine::ATTR_RECORD_LISTENER] = new Doctrine_Record_Listener_Chain();
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}
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$this->attributes[Doctrine::ATTR_RECORD_LISTENER]->add($listener, $name);
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return $this;
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}
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/**
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* getListener
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*
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* @return Doctrine_EventListener_Interface|Doctrine_Overloadable
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*/
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public function getRecordListener()
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{
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if ( ! isset($this->attributes[Doctrine::ATTR_RECORD_LISTENER])) {
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if (isset($this->parent)) {
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return $this->parent->getRecordListener();
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}
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return null;
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}
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return $this->attributes[Doctrine::ATTR_RECORD_LISTENER];
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}
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/**
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* setListener
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*
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* @param Doctrine_EventListener_Interface|Doctrine_Overloadable $listener
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* @return Doctrine_Configurable this object
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*/
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public function setRecordListener($listener)
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{
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if ( ! ($listener instanceof Doctrine_Record_Listener_Interface)
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&& ! ($listener instanceof Doctrine_Overloadable)
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) {
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throw new Doctrine_Exception("Couldn't set eventlistener. Record listeners should implement either Doctrine_Record_Listener_Interface or Doctrine_Overloadable");
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}
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$this->attributes[Doctrine::ATTR_RECORD_LISTENER] = $listener;
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return $this;
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}
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/**
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* addListener
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*
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* @param Doctrine_EventListener_Interface|Doctrine_Overloadable $listener
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* @return mixed this object
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*/
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public function addListener($listener, $name = null)
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{
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if ( ! isset($this->attributes[Doctrine::ATTR_LISTENER]) ||
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! ($this->attributes[Doctrine::ATTR_LISTENER] instanceof Doctrine_EventListener_Chain)) {
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$this->attributes[Doctrine::ATTR_LISTENER] = new Doctrine_EventListener_Chain();
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}
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$this->attributes[Doctrine::ATTR_LISTENER]->add($listener, $name);
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return $this;
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}
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/**
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* getListener
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*
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* @return Doctrine_EventListener_Interface|Doctrine_Overloadable
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*/
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public function getListener()
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{
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if ( ! isset($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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}
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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_EventListener_Interface|Doctrine_Overloadable $listener
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* @return Doctrine_Configurable this object
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*/
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public function setListener($listener)
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{
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if ( ! ($listener instanceof Doctrine_EventListener_Interface)
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&& ! ($listener instanceof Doctrine_Overloadable)
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) {
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throw new Doctrine_EventListener_Exception("Couldn't set eventlistener. EventListeners should implement either Doctrine_EventListener_Interface or Doctrine_Overloadable");
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}
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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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{
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$attribute = (int) $attribute;
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if ($attribute < 0) {
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throw new Doctrine_Exception('Unknown attribute.');
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}
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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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}
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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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{
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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 $component)
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{
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$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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{
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return $this->parent;
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}
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}
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