122 lines
3.6 KiB
PHP
122 lines
3.6 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.org>.
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*/
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#namespace Doctrine::Common;
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#use Doctrine::Common::NullObject;
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/**
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* The Configuration is the container for all configuration options of Doctrine.
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* It combines all configuration options from DBAL & ORM.
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*
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* @author Roman Borschel <roman@code-factory.org>
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* @since 2.0
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*/
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class Doctrine_Configuration
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{
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private $_nullObject;
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/**
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* The attributes that are contained in the configuration.
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*
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* @var array
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*/
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private $_attributes = array(
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'quoteIdentifiers' => false,
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'indexNameFormat' => '%s_idx',
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'sequenceNameFormat' => '%s_seq',
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'tableNameFormat' => '%s',
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'resultCache' => null,
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'resultCacheLifeSpan' => null,
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'queryCache' => null,
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'queryCacheLifeSpan' => null,
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'metadataCache' => null,
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'metadataCacheLifeSpan' => null
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);
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/**
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* Creates a new configuration that can be used for Doctrine.
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*/
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public function __construct()
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{
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$this->_nullObject = Doctrine_Null::$INSTANCE;
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$this->_initAttributes();
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}
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/**
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* Initializes the attributes.
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* Changes null default values to references to the Null object to allow
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* fast isset() checks instead of array_key_exists().
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*
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* @return void
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*/
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private function _initAttributes()
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{
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foreach ($this->_attributes as $key => $value) {
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if ($value === null) {
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$this->_attributes[$key] = $this->_nullObject;
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}
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}
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}
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/**
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* Gets the value of a configuration attribute.
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*
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* @param string $name
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* @return mixed
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*/
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public function get($name)
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{
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if ( ! $this->has($name)) {
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throw Doctrine_Configuration_Exception::unknownAttribute($name);
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}
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if ($this->_attributes[$name] === $this->_nullObject) {
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return null;
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}
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return $this->_attributes[$name];
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}
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/**
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* Sets the value of a configuration attribute.
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*
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* @param string $name
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* @param mixed $value
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*/
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public function set($name, $value)
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{
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if ( ! $this->has($name)) {
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throw Doctrine_Configuration_Exception::unknownAttribute($name);
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}
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// TODO: do some value checking depending on the attribute
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$this->_attributes[$name] = $value;
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}
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/**
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* Checks whether the configuration contains/supports an attribute.
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*
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* @param string $name
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* @return boolean
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*/
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public function has($name)
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{
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return isset($this->_attributes[$name]);
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}
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} |