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added IntegrityMapper for future emulation purposes

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This commit is contained in:
zYne 2007-06-14 18:15:33 +00:00
parent 72466b364e
commit d6095a2420
3 changed files with 179 additions and 1 deletions
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142
lib/Doctrine/IntegrityMapper.php Normal file
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@ -0,0 +1,142 @@
<?php
/*
* $Id: UnitOfWork.php 1495 2007-05-27 18:56:04Z zYne $
*
* 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.phpdoctrine.com>.
*/
Doctrine::autoload('Doctrine_Connection_Module');
/**
* Doctrine_Connection_UnitOfWork
*
* @package Doctrine
* @license http://www.opensource.org/licenses/lgpl-license.php LGPL
* @category Object Relational Mapping
* @link www.phpdoctrine.com
* @since 1.0
* @version $Revision: 1495 $
* @author Konsta Vesterinen <kvesteri@cc.hut.fi>
*/
class Doctrine_IntegrityMapper
{
public function processDeleteIntegrity(Doctrine_Record $record)
{
$coll = $this->buildIntegrityRelationQuery($record);
$this->invokeIntegrityActions($record);
}
public function invokeIntegrityActions(Doctrine_Record $record)
{
$deleteActions = Doctrine_Manager::getInstance()
->getDeleteActions($record->getTable()->getComponentName());
foreach ($record->getTable()->getRelations() as $relation) {
$componentName = $relation->getTable()->getComponentName();
foreach($record->get($relation->getAlias()) as $coll) {
if ( ! ($coll instanceof Doctrine_Collection)) {
$coll = array($coll);
}
foreach ($coll as $record) {
$this->invokeIntegrityActions($record);
if (isset($deleteActions[$componentName])) {
if ($deleteActions[$componentName] === 'SET NULL') {
$record->set($relation->getForeign(), null);
} elseif ($deleteActions[$componentName] === 'CASCADE') {
$this->conn->transaction->addDelete($record);
}
}
}
}
}
}
public function buildIntegrityRelationQuery(Doctrine_Record $record)
{
$q = new Doctrine_Query();
$aliases = array();
$indexes = array();
$root = $record->getTable()->getComponentName();
$rootAlias = strtolower(substr($root, 0, 1));
$aliases[$rootAlias] = $root;
foreach ((array) $record->getTable()->getIdentifier() as $id) {
$field = $rootAlias . '.' . $id;
$cond[] = $field . ' = ?';
$fields[] = $field;
$params = $record->get($id);
}
$fields = implode(', ', $fields);
$components[] = $root;
$this->buildIntegrityRelations($record->getTable(), $aliases, $fields, $indexes, $components);
$q->select($fields)->from($root. ' ' . $rootAlias);
foreach ($aliases as $alias => $name) {
$q->leftJoin($rootAlias . '.' . $name . ' ' . $alias);
}
$q->where(implode(' AND ', $cond));
return $q->execute(array($params));
}
public function buildIntegrityRelations(Doctrine_Table $table, &$aliases, &$fields, &$indexes, &$components)
{
$deleteActions = Doctrine_Manager::getInstance()
->getDeleteActions($table->getComponentName());
foreach ($table->getRelations() as $relation) {
$componentName = $relation->getTable()->getComponentName();
if (in_array($componentName, $components)) {
continue;
}
$components[] = $componentName;
$alias = strtolower(substr($relation->getAlias(), 0, 1));
if ( ! isset($indexes[$alias])) {
$indexes[$alias] = 1;
}
if (isset($deleteActions[$componentName])) {
if (isset($aliases[$alias])) {
$alias = $alias . ++$indexes[$alias];
}
$aliases[$alias] = $relation->getAlias();
if ($deleteActions[$componentName] === 'SET NULL') {
if ($relation instanceof Doctrine_Relation_ForeignKey) {
foreach ((array) $relation->getForeign() as $foreign) {
$fields .= ', ' . $alias . '.' . $foreign;
}
} elseif ($relation instanceof Doctrine_Relation_LocalKey) {
foreach ((array) $relation->getLocal() as $foreign) {
$fields .= ', ' . $alias . '.' . $foreign;
}
}
}
foreach ((array) $relation->getTable()->getIdentifier() as $id) {
$fields .= ', ' . $alias . '.' . $id;
}
if ($deleteActions[$componentName] === 'CASCADE') {
$this->buildIntegrityRelations($relation->getTable(), $aliases, $fields, $indexes, $components);
}
}
}
}
}

27
lib/Doctrine/Manager.php
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@ -65,6 +65,9 @@ class Doctrine_Manager extends Doctrine_Configurable implements Countable, Itera
'oci' => 'oci8',
'sqlite2' => 'sqlite',
'sqlite3' => 'sqlite');
protected $_integrityActionsMap = array();
/**
* constructor
*
@ -79,6 +82,30 @@ class Doctrine_Manager extends Doctrine_Configurable implements Countable, Itera
Doctrine_Validator::initNullObject($this->_null);
Doctrine_Object::initNullObject($this->_null);
}
public function addDeleteAction($componentName, $foreignComponent, $action)
{
$this->_integrityActions[$componentName]['onDelete'][$foreignComponent] = $action;
}
public function addUpdateAction($componentName, $foreignComponent, $action)
{
$this->_integrityActions[$componentName]['onUpdate'][$foreignComponent] = $action;
}
public function getDeleteActions($componentName)
{
if ( ! isset($this->_integrityActions[$componentName]['onDelete'])) {
return null;
}
return $this->_integrityActions[$componentName]['onDelete'];
}
public function getUpdateActions($componentName)
{
if ( ! isset($this->_integrityActions[$componentName]['onUpdate'])) {
return null;
}
return $this->_integrityActions[$componentName]['onUpdate'];
}
/**
* @return Doctrine_Null
*/

11
lib/Doctrine/Relation/Parser.php
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@ -102,7 +102,16 @@ class Doctrine_Relation_Parser
}
$this->_pending[$alias] = array_merge($options, array('class' => $name, 'alias' => $alias));
$m = Doctrine_Manager::getInstance();
if (isset($options['onDelete'])) {
$m->addDeleteAction($name, $this->_table->getComponentName(), $options['onDelete']);
}
if (isset($options['onUpdate'])) {
$m->addUpdateAction($name, $this->_table->getComponentName(), $options['onUpdate']);
}
return $this->_pending[$alias];
}
/**
@ -126,7 +135,7 @@ class Doctrine_Relation_Parser
$localClasses = array_merge($this->_table->getOption('parents'), array($this->_table->getComponentName()));
if ( ! isset($this->_pending[$def['refClass']]) &&
! isset($this->_relations[$def['refClass']])) {
! isset($this->_relations[$def['refClass']])) {
$def['refTable']->getRelationParser()->bind($this->_table->getComponentName(),
array('type' => Doctrine_Relation::ONE,