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<?php
declare(strict_types=1);
/**
* @copyright 2018
*
* @author Maxence Lange <maxence@artificial-owl.com>
*
* @license GNU AGPL version 3 or any later version
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
namespace OCP\FullTextSearch;
use OCP\FullTextSearch\Model\IDocumentAccess;
use OCP\FullTextSearch\Model\IIndex;
use OCP\FullTextSearch\Model\IIndexDocument;
use OCP\FullTextSearch\Model\IRunner;
use OCP\FullTextSearch\Model\ISearchResult;
/**
* Interface IFullTextSearchPlatform
*
* This interface must be use when creating a Search Platform for FullTextSearch.
*
* A Search Platform is an extension to the FullTextSearch that will act as a
* a gateway between FullTextSearch and a search server (ie. ElasticSearch,
* Solr, ...)
*
* Multiple Search Platform can exist at the same time in Nextcloud, however only
* one Search Platform will be used by FullTextSearch.
* Administrator must select at least one Search Platform to be used by
* FullTextSearch in the admin settings page.
*
* The content provided by FullTextSearch comes in chunk from multiple Content
* Provider. Each chunk is identified by the ID of the Content Provider, and the
* ID of the document.
*
*
* To oversimplify the mechanism:
*
* - When indexing, FullTextSearch will send providerId, documentId, content.
* - When searching within the content of a Content Provider, identified by its
* providerId, FullTextSearch expect documentId as result.
*
*
* The Search Platform ia a PHP class that implement this interface and is defined
* in appinfo/info.xml of the app that contains that class:
*
* <fulltextsearch>
* <platform>OCA\YourApp\YourSearchPlatform</platform>
* </fulltextsearch>
*
* Multiple Search Platform can be defined in a single app.
*
* @since 15.0.0
*
* @package OCP\FullTextSearch
*/
interface IFullTextSearchPlatform {
/**
* Must returns a unique Id used to identify the Search Platform.
* Id must contains only alphanumeric chars, with no space.
*
* @since 15.0.0
*
* @return string
*/
public function getId(): string;
/**
* Must returns a descriptive name of the Search Platform.
* This is used mainly in the admin settings page to display the list of
* available Search Platform
*
* @since 15.0.0
*
* @return string
*/
public function getName(): string;
/**
* should returns the current configuration of the Search Platform.
* This is used to display the configuration when using the
* ./occ fulltextsearch:check command line.
*
* @since 15.0.0
*
* @return array
*/
public function getConfiguration(): array;
/**
* Set the wrapper of the currently executed process.
* Because the index process can be long and heavy, and because errors can
* be encountered during the process, the IRunner is a wrapper that allow the
* Search Platform to communicate with the process initiated by
* FullTextSearch.
*
* The IRunner is coming with some methods so the Search Platform can
* returns important information and errors to be displayed to the admin.
*
* @since 15.0.0
*
* @param IRunner $runner
*/
public function setRunner(IRunner $runner);
/**
* Called when FullTextSearch is loading your Search Platform.
*
* @since 15.0.0
*/
public function loadPlatform();
/**
* Called to check that your Search Platform is correctly configured and that
* This is also the right place to check that the Search Service is available.
*
* @since 15.0.0
*
* @return bool
*/
public function testPlatform(): bool;
/**
* Called before an index is initiated.
* Best place to initiate some stuff on the Search Server (mapping, ...)
*
* @since 15.0.0
*/
public function initializeIndex();
/**
* Reset the indexes for a specific providerId.
* $providerId can be 'all' if it is a global reset.
*
* @since 15.0.0
*
* @param string $providerId
*/
public function resetIndex(string $providerId);
/**
* Deleting some IIndex, sent in an array
*
* @see IIndex
*
* @since 15.0.0
*
* @param IIndex[] $indexes
*/
public function deleteIndexes(array $indexes);
/**
* Indexing a document.
*
* @see IndexDocument
*
* @since 15.0.0
*
* @param IIndexDocument $document
*
* @return IIndex
*/
public function indexDocument(IIndexDocument $document): IIndex;
/**
* Searching documents, ISearchResult should be updated with the result of
* the search.
*
* @since 15.0.0
*
* @param ISearchResult $result
* @param IDocumentAccess $access
*/
public function searchRequest(ISearchResult $result, IDocumentAccess $access);
/**
* Return a document based on its Id and the Provider.
* This is used when an admin execute ./occ fulltextsearch:document:platform
*
* @since 15.0.0
*
* @param string $providerId
* @param string $documentId
*
* @return IIndexDocument
*/
public function getDocument(string $providerId, string $documentId): IIndexDocument;
}
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