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<?php
namespace SMW\SQLStore\TableBuilder;
use DatabaseBase;
use Onoi\MessageReporter\MessageReporter;
use Onoi\MessageReporter\MessageReporterAware;
use RuntimeException;
use SMW\SQLStore\TableBuilder as TableBuilderInterface;
/**
* @license GNU GPL v2+
* @since 2.5
*
* @author mwjames
*/
abstract class TableBuilder implements TableBuilderInterface, MessageReporterAware, MessageReporter {
/**
* @var DatabaseBase
*/
protected $connection;
/**
* @var MessageReporter
*/
private $messageReporter;
/**
* @var array
*/
protected $config = [];
/**
* @var array
*/
protected $activityLog = [];
/**
* @since 2.5
*
* @param DatabaseBase $connection
*/
protected function __construct( DatabaseBase $connection ) {
$this->connection = $connection;
}
/**
* @since 2.5
*
* @param DatabaseBase $connection
*
* @return TableBuilder
* @throws RuntimeException
*/
public static function factory( DatabaseBase $connection ) {
$instance = null;
switch ( $connection->getType() ) {
case 'mysql':
$instance = new MySQLTableBuilder( $connection );
break;
case 'sqlite':
$instance = new SQLiteTableBuilder( $connection );
break;
case 'postgres':
$instance = new PostgresTableBuilder( $connection );
break;
}
if ( $instance === null ) {
throw new RuntimeException( "Unknown or unsupported DB type " . $connection->getType() );
}
$instance->addConfig( 'wgDBname', $GLOBALS['wgDBname'] );
$instance->addConfig( 'wgDBTableOptions', $GLOBALS['wgDBTableOptions'] );
return $instance;
}
/**
* @since 2.5
*
* @param string|integer $key
* @param mixed
*/
public function addConfig( $key, $value ) {
$this->config[$key] = $value;
}
/**
* @see MessageReporterAware::setMessageReporter
*
* @since 2.5
*
* @param MessageReporter $messageReporter
*/
public function setMessageReporter( MessageReporter $messageReporter ) {
$this->messageReporter = $messageReporter;
}
/**
* @see MessageReporter::reportMessage
*
* @since 2.5
*
* @param string $message
*/
public function reportMessage( $message ) {
if ( $this->messageReporter === null ) {
return;
}
$this->messageReporter->reportMessage( $message );
}
/**
* @since 2.5
*
* {@inheritDoc}
*/
public function getStandardFieldType( $fieldType ) {
return false;
}
/**
* @since 2.5
*
* {@inheritDoc}
*/
public function create( Table $table ) {
$attributes = $table->getAttributes();
$tableName = $table->getName();
$this->reportMessage( "Checking table $tableName ...\n" );
if ( $this->connection->tableExists( $tableName ) === false ) { // create new table
$this->reportMessage( " Table not found, now creating...\n" );
$this->doCreateTable( $tableName, $attributes );
} else {
$this->reportMessage( " Table already exists, checking structure ...\n" );
$this->doUpdateTable( $tableName, $attributes );
}
$this->reportMessage( " ... done.\n" );
if ( !isset( $attributes['indices'] ) ) {
return $this->reportMessage( "No index structures for table $tableName ...\n" );
}
$this->reportMessage( "Checking index structures for table $tableName ...\n" );
$this->doCreateIndices( $tableName, $attributes );
$this->reportMessage( " ... done.\n" );
}
/**
* @since 2.5
*
* {@inheritDoc}
*/
public function drop( Table $table ) {
$tableName = $table->getName();
if ( $this->connection->tableExists( $tableName ) === false ) { // create new table
return $this->reportMessage( " ... $tableName not found, skipping removal.\n" );
}
$this->doDropTable( $tableName );
$this->reportMessage( " ... dropped table $tableName.\n" );
}
/**
* @since 3.0
*
* {@inheritDoc}
*/
public function optimize( Table $table ) {
$this->doOptimize( $table->getName() );
}
/**
* @since 2.5
*
* @param string $event
*/
public function checkOn( $event ) {
return false;
}
/**
* @since 3.0
*
* {@inheritDoc}
*/
public function getLog() {
return $this->activityLog;
}
/**
* @param string $tableName
* @param array $tableOptions
*/
abstract protected function doCreateTable( $tableName, array $tableOptions = null);
/**
* @param string $tableName
* @param array $tableOptions
*/
abstract protected function doUpdateTable( $tableName, array $tableOptions = null );
/**
* @param string $tableName
* @param array $indexOptions
*/
abstract protected function doCreateIndices( $tableName, array $indexOptions = null );
/**
* @param string $tableName
*/
abstract protected function doDropTable( $tableName );
/**
* @param string $tableName
*/
abstract protected function doOptimize( $tableName );
// #1978
// http://php.net/manual/en/function.array-search.php
protected function recursive_array_search( $needle, $haystack ) {
foreach( $haystack as $key => $value ) {
$current_key = $key;
if ( $needle === $value or ( is_array( $value ) && $this->recursive_array_search( $needle, $value ) !== false ) ) {
return $current_key;
}
}
return false;
}
}
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