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<?php
/*
* $Id: Repository.php 10831 2013-05-29 19:32:17Z btowles $
*
* 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.doctrine-project.org>.
*/
/**
* Doctrine_Repository
* each record is added into Doctrine_Repository at the same time they are created,
* loaded from the database or retrieved from the cache
*
* @author Konsta Vesterinen <kvesteri@cc.hut.fi>
* @package Doctrine
* @subpackage Table
* @license http://www.opensource.org/licenses/lgpl-license.php LGPL
* @link www.doctrine-project.org
* @since 1.0
* @version $Revision: 7490 $
*/
class Doctrine_Table_Repository implements Countable, IteratorAggregate
{
/**
* @var object Doctrine_Table $table
*/
private $table;
/**
* @var array $registry
* an array of all records
* keys representing record object identifiers
*/
private $registry = array();
/**
* constructor
*
* @param Doctrine_Table $table
*/
public function __construct(Doctrine_Table $table)
{
$this->table = $table;
}
/**
* getTable
*
* @return Doctrine_Table
*/
public function getTable()
{
return $this->table;
}
/**
* add
*
* @param Doctrine_Record $record record to be added into registry
* @return boolean
*/
public function add(Doctrine_Record $record)
{
$oid = $record->getOID();
if (isset($this->registry[$oid])) {
return false;
}
$this->registry[$oid] = $record;
return true;
}
/**
* get
* @param integer $oid
* @throws Doctrine_Table_Repository_Exception
*/
public function get($oid)
{
if ( ! isset($this->registry[$oid])) {
throw new Doctrine_Table_Repository_Exception("Unknown object identifier");
}
return $this->registry[$oid];
}
/**
* count
* Doctrine_Registry implements interface Countable
* @return integer the number of records this registry has
*/
public function count()
{
return count($this->registry);
}
/**
* @param integer $oid object identifier
* @return boolean whether ot not the operation was successful
*/
public function evict($oid)
{
if ( ! isset($this->registry[$oid])) {
return false;
}
unset($this->registry[$oid]);
return true;
}
/**
* @return integer number of records evicted
*/
public function evictAll()
{
$evicted = 0;
foreach ($this->registry as $oid=>$record) {
if ($this->evict($oid)) {
$evicted++;
}
}
return $evicted;
}
/**
* getIterator
* @return ArrayIterator
*/
public function getIterator()
{
return new ArrayIterator($this->registry);
}
/**
* contains
* @param integer $oid object identifier
*/
public function contains($oid)
{
return isset($this->registry[$oid]);
}
/**
* loadAll
* @return void
*/
public function loadAll()
{
$this->table->findAll();
}
}