/
BufferedAdd.php
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/
BufferedAdd.php
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<?php
/**
* Copyright 2011 Bas de Nooijer. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this listof conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER 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 HOLDER 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.
*
* The views and conclusions contained in the software and documentation are
* those of the authors and should not be interpreted as representing official
* policies, either expressed or implied, of the copyright holder.
*
* @copyright Copyright 2011 Bas de Nooijer <solarium@raspberry.nl>
* @license http://github.com/basdenooijer/solarium/raw/master/COPYING
*
* @link http://www.solarium-project.org/
*/
/**
* @namespace
*/
namespace Solarium\Plugin\BufferedAdd;
use Solarium\Core\Plugin\AbstractPlugin;
use Solarium\QueryType\Update\Result as UpdateResult;
use Solarium\QueryType\Update\Query\Query as UpdateQuery;
use Solarium\QueryType\Select\Result\DocumentInterface;
use Solarium\Plugin\BufferedAdd\Event\Events;
use Solarium\Plugin\BufferedAdd\Event\PreFlush as PreFlushEvent;
use Solarium\Plugin\BufferedAdd\Event\PostFlush as PostFlushEvent;
use Solarium\Plugin\BufferedAdd\Event\PreCommit as PreCommitEvent;
use Solarium\Plugin\BufferedAdd\Event\PostCommit as PostCommitEvent;
use Solarium\Plugin\BufferedAdd\Event\AddDocument as AddDocumentEvent;
/**
* Buffered add plugin.
*
* If you need to add (or update) a big number of documents to Solr it's much more efficient to do so in batches.
* This plugin makes this as easy as possible.
*/
class BufferedAdd extends AbstractPlugin
{
/**
* Default options.
*
* @var array
*/
protected $options = array(
'buffersize' => 100,
);
/**
* Update query instance.
*
* @var UpdateQuery
*/
protected $updateQuery;
/**
* Buffered documents.
*
* @var DocumentInterface[]
*/
protected $buffer = array();
/**
* Set the endpoint for the documents.
*
* @param string $endpoint The endpoint to set
*
* @return self
*/
public function setEndpoint($endpoint)
{
return $this->setOption('endpoint', $endpoint);
}
/**
* Return the endpoint.
*
* @return string
*/
public function getEndpoint()
{
return $this->getOption('endpoint');
}
/**
* Set buffer size option.
*
* @param int $size
*
* @return self
*/
public function setBufferSize($size)
{
return $this->setOption('buffersize', $size);
}
/**
* Get buffer size option value.
*
* @return int
*/
public function getBufferSize()
{
return $this->getOption('buffersize');
}
/**
* Create a document object instance and add it to the buffer.
*
* @param array $fields
* @param array $boosts
*
* @return self Provides fluent interface
*/
public function createDocument($fields, $boosts = array())
{
$doc = $this->updateQuery->createDocument($fields, $boosts);
$this->addDocument($doc);
return $this;
}
/**
* Add a document.
*
* @param DocumentInterface $document
*
* @return self Provides fluent interface
*/
public function addDocument($document)
{
$this->buffer[] = $document;
$event = new AddDocumentEvent($document);
$this->client->getEventDispatcher()->dispatch(Events::ADD_DOCUMENT, $event);
if (count($this->buffer) == $this->options['buffersize']) {
$this->flush();
}
return $this;
}
/**
* Add multiple documents.
*
* @param array $documents
*
* @return self Provides fluent interface
*/
public function addDocuments($documents)
{
foreach ($documents as $document) {
$this->addDocument($document);
}
return $this;
}
/**
* Get all documents currently in the buffer.
*
* Any previously flushed documents will not be included!
*
* @return DocumentInterface[]
*/
public function getDocuments()
{
return $this->buffer;
}
/**
* Clear any buffered documents.
*
* @return self Provides fluent interface
*/
public function clear()
{
$this->updateQuery = $this->client->createUpdate();
$this->buffer = array();
return $this;
}
/**
* Flush any buffered documents to Solr.
*
* @param boolean $overwrite
* @param int $commitWithin
*
* @return boolean|UpdateResult
*/
public function flush($overwrite = null, $commitWithin = null)
{
if (count($this->buffer) == 0) {
// nothing to do
return false;
}
$event = new PreFlushEvent($this->buffer, $overwrite, $commitWithin);
$this->client->getEventDispatcher()->dispatch(Events::PRE_FLUSH, $event);
$this->updateQuery->addDocuments($event->getBuffer(), $event->getOverwrite(), $event->getCommitWithin());
$result = $this->client->update($this->updateQuery, $this->getEndpoint());
$this->clear();
$event = new PostFlushEvent($result);
$this->client->getEventDispatcher()->dispatch(Events::POST_FLUSH, $event);
return $result;
}
/**
* Commit changes.
*
* Any remaining documents in the buffer will also be flushed
*
* @param boolean $overwrite
* @param boolean $softCommit
* @param boolean $waitSearcher
* @param boolean $expungeDeletes
*
* @return UpdateResult
*/
public function commit($overwrite = null, $softCommit = null, $waitSearcher = null, $expungeDeletes = null)
{
$event = new PreCommitEvent($this->buffer, $overwrite, $softCommit, $waitSearcher, $expungeDeletes);
$this->client->getEventDispatcher()->dispatch(Events::PRE_COMMIT, $event);
$this->updateQuery->addDocuments($this->buffer, $event->getOverwrite());
$this->updateQuery->addCommit($event->getSoftCommit(), $event->getWaitSearcher(), $event->getExpungeDeletes());
$result = $this->client->update($this->updateQuery, $this->getEndpoint());
$this->clear();
$event = new PostCommitEvent($result);
$this->client->getEventDispatcher()->dispatch(Events::POST_COMMIT, $event);
return $result;
}
/**
* Plugin init function.
*
* This is an extension point for plugin implementations.
* Will be called as soon as $this->client and options have been set.
*/
protected function initPluginType()
{
$this->updateQuery = $this->client->createUpdate();
}
}