1 files changed, 26 insertions, 0 deletions
diff --git a/library/Director/PropertyModifier/PropertyModifierSkipDuplicates.php b/library/Director/PropertyModifier/PropertyModifierSkipDuplicates.php
new file mode 100644
index 0000000..bf9bd31
--- /dev/null
+++ b/library/Director/PropertyModifier/PropertyModifierSkipDuplicates.php
@@ -0,0 +1,26 @@
+<?php
+
+namespace Icinga\Module\Director\PropertyModifier;
+
+use Icinga\Module\Director\Hook\PropertyModifierHook;
+
+class PropertyModifierSkipDuplicates extends PropertyModifierHook
+{
+    private $seen = [];
+
+    public function getName()
+    {
+        return mt('director', 'Skip row if this value appears more than once');
+    }
+
+    public function transform($value)
+    {
+        if (isset($this->seen[$value])) {
+            $this->rejectRow();
+        }
+
+        $this->seen[$value] = true;
+
+        return $value;
+    }
+}