Subversion-Projekte lars-tiefland.php_share

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Revision Autor Zeilennr. Zeile
1 lars 1 
<?php
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/*
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 *  $Id: Repository.php 7490 2010-03-29 19:53:27Z jwage $
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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.doctrine-project.org>.
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 */
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/**
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 * Doctrine_Repository
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 * each record is added into Doctrine_Repository at the same time they are created,
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 * loaded from the database or retrieved from the cache
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 *
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 * @author      Konsta Vesterinen <kvesteri@cc.hut.fi>
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 * @package     Doctrine
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 * @subpackage  Table
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 * @license     http://www.opensource.org/licenses/lgpl-license.php LGPL
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 * @link        www.doctrine-project.org
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 * @since       1.0
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 * @version     $Revision: 7490 $
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 */
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class Doctrine_Table_Repository implements Countable, IteratorAggregate
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{
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    /**
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     * @var object Doctrine_Table $table
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     */
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    private $table;
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    /**
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     * @var array $registry
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     * an array of all records
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     * keys representing record object identifiers
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     */
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    private $registry = array();
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    /**
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     * constructor
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     *
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     * @param Doctrine_Table $table
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     */
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    public function __construct(Doctrine_Table $table)
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    {
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        $this->table = $table;
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    }
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    /**
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     * getTable
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     *
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     * @return Doctrine_Table
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     */
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    public function getTable()
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    {
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        return $this->table;
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    }
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    /**
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     * add
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     *
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     * @param Doctrine_Record $record       record to be added into registry
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     * @return boolean
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     */
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    public function add(Doctrine_Record $record)
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    {
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        $oid = $record->getOID();
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        if (isset($this->registry[$oid])) {
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            return false;
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        }
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        $this->registry[$oid] = $record;
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        return true;
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    }
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    /**
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     * get
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     * @param integer $oid
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     * @throws Doctrine_Table_Repository_Exception
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     */
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    public function get($oid)
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    {
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        if ( ! isset($this->registry[$oid])) {
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            throw new Doctrine_Table_Repository_Exception("Unknown object identifier");
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        }
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        return $this->registry[$oid];
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    }
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    /**
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     * count
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     * Doctrine_Registry implements interface Countable
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     * @return integer                      the number of records this registry has
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     */
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    public function count()
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    {
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        return count($this->registry);
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    }
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    /**
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     * @param integer $oid                  object identifier
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     * @return boolean                      whether ot not the operation was successful
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     */
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    public function evict($oid)
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    {
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        if ( ! isset($this->registry[$oid])) {
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            return false;
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        }
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        unset($this->registry[$oid]);
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        return true;
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    }
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    /**
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     * @return integer                      number of records evicted
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     */
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    public function evictAll()
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    {
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        $evicted = 0;
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        foreach ($this->registry as $oid=>$record) {
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            if ($this->evict($oid)) {
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                $evicted++;
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            }
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        }
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        return $evicted;
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    }
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    /**
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     * getIterator
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     * @return ArrayIterator
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     */
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    public function getIterator()
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    {
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        return new ArrayIterator($this->registry);
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    }
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    /**
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     * contains
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     * @param integer $oid                  object identifier
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     */
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    public function contains($oid)
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    {
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        return isset($this->registry[$oid]);
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    }
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    /**
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     * loadAll
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     * @return void
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     */
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    public function loadAll()
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    {
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        $this->table->findAll();
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    }
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}