1 files changed, 29 insertions, 0 deletions
diff --git a/config-model/src/main/java/com/yahoo/schema/processing/MutableAttributes.java b/config-model/src/main/java/com/yahoo/schema/processing/MutableAttributes.java
new file mode 100644
index 00000000000..854f6b2dddb
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+++ b/config-model/src/main/java/com/yahoo/schema/processing/MutableAttributes.java
@@ -0,0 +1,29 @@
+// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
+package com.yahoo.schema.processing;
+
+import com.yahoo.config.application.api.DeployLogger;
+import com.yahoo.schema.RankProfileRegistry;
+import com.yahoo.schema.Schema;
+import com.yahoo.schema.document.SDField;
+import com.yahoo.vespa.model.container.search.QueryProfiles;
+
+public class MutableAttributes extends Processor {
+
+    public MutableAttributes(Schema schema, DeployLogger deployLogger,
+                             RankProfileRegistry rankProfileRegistry, QueryProfiles queryProfiles)
+    {
+        super(schema, deployLogger, rankProfileRegistry, queryProfiles);
+    }
+
+    @Override
+    public void process(boolean validate, boolean documentsOnly) {
+        for (SDField field : schema.allConcreteFields()) {
+            if ( ! field.isExtraField() && field.getAttributes().containsKey(field.getName())) {
+                if (field.getAttributes().get(field.getName()).isMutable()) {
+                    throw new IllegalArgumentException("Field '" + field.getName() + "' in '" + schema.getDocument().getName() +
+                                                       "' can not be marked mutable as it is inside the document clause.");
+                }
+            }
+        }
+    }
+}