diff --git a/common/source/java/ch/systemsx/cisd/common/utilities/IPredicate.java b/common/source/java/ch/systemsx/cisd/common/utilities/IPredicate.java
new file mode 100644
index 0000000000000000000000000000000000000000..4d8ef330d0f52b787af8cba92c82c2e9dec8bbeb
--- /dev/null
+++ b/common/source/java/ch/systemsx/cisd/common/utilities/IPredicate.java
@@ -0,0 +1,11 @@
+package ch.systemsx.cisd.common.utilities;
+
+/**
+ * Delegate for a function T => boolean
+ * 
+ * @author jakubs
+ */
+public interface IPredicate<T>
+{
+    boolean execute(T arg);
+}