summaryrefslogtreecommitdiff
path: root/www/wiki/extensions/SemanticMediaWiki/src/SPARQLStore/QueryEngine/Condition/FalseCondition.php
diff options
context:
space:
mode:
Diffstat (limited to 'www/wiki/extensions/SemanticMediaWiki/src/SPARQLStore/QueryEngine/Condition/FalseCondition.php')
-rw-r--r--www/wiki/extensions/SemanticMediaWiki/src/SPARQLStore/QueryEngine/Condition/FalseCondition.php25
1 files changed, 25 insertions, 0 deletions
diff --git a/www/wiki/extensions/SemanticMediaWiki/src/SPARQLStore/QueryEngine/Condition/FalseCondition.php b/www/wiki/extensions/SemanticMediaWiki/src/SPARQLStore/QueryEngine/Condition/FalseCondition.php
new file mode 100644
index 00000000..2446cd02
--- /dev/null
+++ b/www/wiki/extensions/SemanticMediaWiki/src/SPARQLStore/QueryEngine/Condition/FalseCondition.php
@@ -0,0 +1,25 @@
+<?php
+
+namespace SMW\SPARQLStore\QueryEngine\Condition;
+
+/**
+ * Represents a condition that cannot match anything.
+ * Ordering is not relevant, as there is nothing to order.
+ *
+ * @ingroup SMWStore
+ *
+ * @license GNU GPL v2+
+ * @since 1.6
+ *
+ * @author Markus Krötzsch
+ */
+class FalseCondition extends Condition {
+
+ public function getCondition() {
+ return "<http://www.example.org> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/2002/07/owl#nothing> .\n";
+ }
+
+ public function isSafe() {
+ return true;
+ }
+}