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doctrine2/lib/Doctrine/Search.php

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<?php
/*
* $Id$
*
* 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_Search
*
* @author Konsta Vesterinen <kvesteri@cc.hut.fi>
* @package Doctrine
* @license http://www.opensource.org/licenses/lgpl-license.php LGPL
* @version $Revision$
* @category Object Relational Mapping
* @link www.phpdoctrine.com
* @since 1.0
*/
class Doctrine_Search
{
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protected $_options = array('generateFiles' => true);
public function __construct(array $options)
{
$this->_options = array_merge($this->_options, $options);
if ( ! isset($this->_options['analyzer'])) {
$this->_options['analyzer'] = new Doctrine_Search_Analyzer_Standard();
}
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}
public function getOption($option)
{
if (isset($this->_options[$option])) {
return $this->_options[$option];
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}
return null;
}
public function analyze($text)
{
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return $this->_options['analyzer']->analyze($text);
}
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public function setOption($option, $value)
{
$this->_options[$option] = $value;
return $this;
}
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public function updateIndex(Doctrine_Record $record)
{
$fields = $this->getOption('fields');
$class = $this->getOption('className');
$name = $record->getTable()->getComponentName();
foreach ($fields as $field) {
$data = $record->get($field);
$terms = $this->analyze($data);
foreach ($terms as $pos => $term) {
$index = new $class();
$index->keyword = $term;
$index->position = $pos;
$index->field = $field;
$index->$name = $record;
$index->save();
}
}
}
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public function buildDefinition(Doctrine_Table $table)
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{
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$name = $table->getComponentName();
$className = $name . 'Index';
if (class_exists($className)) {
return false;
}
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$columns = array('keyword' => array('type' => 'string',
'length' => 200,
'notnull' => true),
'field' => array('type' => 'string',
'length' => 50,
'notnull' => true),
'position' => array('type' => 'integer',
'length' => 8));
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$id = $table->getIdentifier();
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$options = array('className' => $className);
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$fk = array();
foreach ((array) $id as $column) {
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$def = $table->getDefinitionOf($column);
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unset($def['autoincrement']);
unset($def['sequence']);
unset($def['primary']);
$col = strtolower($name . '_' . $column);
$fk[$col] = $def;
}
$local = (count($fk) > 1) ? array_keys($fk) : key($fk);
$relations = array($name => array('local' => $local,
'foreign' => $id,
'onDelete' => 'CASCADE',
'onUpdate' => 'CASCADE'));
$columns += $fk;
$builder = new Doctrine_Import_Builder();
$def = $builder->buildDefinition($options, $columns, $relations);
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if ( ! $this->_options['generateFiles']) {
eval($def);
}
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return true;
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}
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}