1 files changed, 123 insertions, 0 deletions
diff --git a/www/wiki/extensions/SemanticMediaWiki/src/SQLStore/EntityStore/DataItemHandlerDispatcher.php b/www/wiki/extensions/SemanticMediaWiki/src/SQLStore/EntityStore/DataItemHandlerDispatcher.php
new file mode 100644
index 00000000..b17ce0cb
--- /dev/null
+++ b/www/wiki/extensions/SemanticMediaWiki/src/SQLStore/EntityStore/DataItemHandlerDispatcher.php
@@ -0,0 +1,123 @@
+<?php
+
+namespace SMW\SQLStore\EntityStore;
+
+use SMW\SQLStore\EntityStore\DIHandlers\DIBlobHandler;
+use SMW\SQLStore\EntityStore\DIHandlers\DIBooleanHandler;
+use SMW\SQLStore\EntityStore\DIHandlers\DIConceptHandler;
+use SMW\SQLStore\EntityStore\DIHandlers\DIGeoCoordinateHandler;
+use SMW\SQLStore\EntityStore\DIHandlers\DINumberHandler;
+use SMW\SQLStore\EntityStore\DIHandlers\DITimeHandler;
+use SMW\SQLStore\EntityStore\DIHandlers\DIUriHandler;
+use SMW\SQLStore\EntityStore\DIHandlers\DIWikiPageHandler;
+use SMW\SQLStore\EntityStore\Exception\DataItemHandlerException;
+use SMW\SQLStore\SQLStore;
+use SMWDataItem as DataItem;
+
+/**
+ * @license GNU GPL v2+
+ * @since 2.5
+ *
+ * @author mwjames
+ */
+class DataItemHandlerDispatcher {
+
+	/**
+	 * @var SQLStore
+	*/
+	private $store;
+
+	/**
+	 * @var array
+	*/
+	private $handlers = [];
+
+	/**
+	 * @var integer
+	*/
+	private $fieldTypeFeatures = false;
+
+	/**
+	 * @since 2.5
+	 *
+	 * @param SQLStore $store
+	 */
+	public function __construct( SQLStore $store ) {
+		$this->store = $store;
+	}
+
+	/**
+	 * @since 3.0
+	 *
+	 * @param integer $fieldTypeFeatures
+	 */
+	public function setFieldTypeFeatures( $fieldTypeFeatures ) {
+		$this->fieldTypeFeatures = $fieldTypeFeatures;
+	}
+
+	/**
+	 * @since 2.5
+	 *
+	 * @param string $type
+	 *
+	 * @return DIHandler
+	 * @throws RuntimeException
+	 */
+	public function getHandlerByType( $type ) {
+
+		if ( !isset( $this->handlers[$type] ) ) {
+			$this->handlers[$type] = $this->newHandlerByType( $type );
+		}
+
+	//	$this->handlers[$type]->setFieldTypeFeatures(
+	//		$this->fieldTypeFeatures
+	//	);
+
+		return $this->handlers[$type];
+	}
+
+	private function newHandlerByType( $type ) {
+
+		switch ( $type ) {
+			case DataItem::TYPE_NUMBER:
+				$handler = new DINumberHandler( $this->store );
+				break;
+			case DataItem::TYPE_BLOB:
+				$handler = new DIBlobHandler( $this->store );
+				break;
+			case DataItem::TYPE_BOOLEAN:
+				$handler = new DIBooleanHandler( $this->store );
+				break;
+			case DataItem::TYPE_URI:
+				$handler = new DIUriHandler( $this->store );
+				break;
+			case DataItem::TYPE_TIME:
+				$handler = new DITimeHandler( $this->store );
+				break;
+			case DataItem::TYPE_GEO:
+				$handler = new DIGeoCoordinateHandler( $this->store );
+				break;
+			case DataItem::TYPE_WIKIPAGE:
+				$handler = new DIWikiPageHandler( $this->store );
+				break;
+			case DataItem::TYPE_CONCEPT:
+				$handler = new DIConceptHandler( $this->store );
+				break;
+			case DataItem::TYPE_PROPERTY:
+				throw new DataItemHandlerException( "There is no DI handler for DataItem::TYPE_PROPERTY." );
+			case DataItem::TYPE_CONTAINER:
+				throw new DataItemHandlerException( "There is no DI handler for DataItem::TYPE_CONTAINER." );
+			case DataItem::TYPE_ERROR:
+				throw new DataItemHandlerException( "There is no DI handler for DataItem::TYPE_ERROR." );
+			default:
+				throw new DataItemHandlerException( "The value \"$type\" is not a valid dataitem ID." );
+		}
+
+		$handler->setFieldTypeFeatures(
+			$this->fieldTypeFeatures
+		);
+
+		return $handler;
+	}
+
+}