1 files changed, 27 insertions, 0 deletions
diff --git a/www/wiki/extensions/SemanticMediaWiki/src/DataValues/ValueValidators/ConstraintValueValidator.php b/www/wiki/extensions/SemanticMediaWiki/src/DataValues/ValueValidators/ConstraintValueValidator.php
new file mode 100644
index 00000000..bddb7901
--- /dev/null
+++ b/www/wiki/extensions/SemanticMediaWiki/src/DataValues/ValueValidators/ConstraintValueValidator.php
@@ -0,0 +1,27 @@
+<?php
+
+namespace SMW\DataValues\ValueValidators;
+
+/**
+ * @license GNU GPL v2+
+ * @since 2.4
+ *
+ * @author mwjames
+ */
+interface ConstraintValueValidator {
+
+	/**
+	 * @since 2.4
+	 *
+	 * @param DataValue $dataValue
+	 */
+	public function validate( $dataValue );
+
+	/**
+	 * @since 2.4
+	 *
+	 * @return boolean
+	 */
+	public function hasConstraintViolation();
+
+}