1 files changed, 16 insertions, 0 deletions
diff --git a/vespajlib/src/main/java/com/yahoo/tensor/impl/Convert.java b/vespajlib/src/main/java/com/yahoo/tensor/impl/Convert.java
new file mode 100644
index 00000000000..e2cb64fdd1f
--- /dev/null
+++ b/vespajlib/src/main/java/com/yahoo/tensor/impl/Convert.java
@@ -0,0 +1,16 @@
+// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
+package com.yahoo.tensor.impl;
+
+/**
+ * Utility to make common conversions safe
+ *
+ * @author baldersheim
+ */
+public class Convert {
+    public static int safe2Int(long value) {
+        if (value > Integer.MAX_VALUE || value < Integer.MIN_VALUE) {
+            throw new IndexOutOfBoundsException("value = " + value + ", which is too large to fit in an int");
+        }
+        return (int) value;
+    }
+}