1 files changed, 52 insertions, 0 deletions
diff --git a/www/wiki/extensions/SemanticMediaWiki/src/SPARQLStore/ReplicationDataTruncator.php b/www/wiki/extensions/SemanticMediaWiki/src/SPARQLStore/ReplicationDataTruncator.php
new file mode 100644
index 00000000..a6d6d97c
--- /dev/null
+++ b/www/wiki/extensions/SemanticMediaWiki/src/SPARQLStore/ReplicationDataTruncator.php
@@ -0,0 +1,52 @@
+<?php
+
+namespace SMW\SPARQLStore;
+
+use SMW\DIProperty;
+use SMW\SemanticData;
+
+/**
+ * Truncate a SemanticData instance for the replication process
+ *
+ * @license GNU GPL v2+
+ * @since 2.5
+ *
+ * @author mwjames
+ */
+class ReplicationDataTruncator {
+
+	/**
+	 * @var array
+	 */
+	private $propertyExemptionList = [];
+
+	/**
+	 * @since 2.5
+	 *
+	 * @param array $propertyExemptionList
+	 */
+	public function setPropertyExemptionList( array $propertyExemptionList ) {
+		$this->propertyExemptionList = str_replace( ' ', '_', $propertyExemptionList );
+	}
+
+	/**
+	 * @since 2.5
+	 *
+	 * @param SemanticData $semanticDat
+	 *
+	 * @return SemanticData
+	 */
+	public function doTruncate( SemanticData $semanticData ) {
+
+		if ( $this->propertyExemptionList === [] ) {
+			return $semanticData;
+		}
+
+		foreach ( $this->propertyExemptionList as $property ) {
+			$semanticData->removeProperty( DIProperty::newFromUserLabel( $property ) );
+		}
+
+		return $semanticData;
+	}
+
+}