1 files changed, 29 insertions, 0 deletions
diff --git a/config-model/src/main/java/com/yahoo/searchdefinition/document/ImmutableImportedComplexSDField.java b/config-model/src/main/java/com/yahoo/searchdefinition/document/ImmutableImportedComplexSDField.java
new file mode 100644
index 00000000000..2f13c0078ee
--- /dev/null
+++ b/config-model/src/main/java/com/yahoo/searchdefinition/document/ImmutableImportedComplexSDField.java
@@ -0,0 +1,29 @@
+// Copyright 2019 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
+package com.yahoo.searchdefinition.document;
+
+import java.util.Collection;
+
+import static java.util.stream.Collectors.toList;
+
+/**
+ * Wraps {@link ImportedComplexField} as {@link ImmutableSDField}.
+ */
+public class ImmutableImportedComplexSDField extends ImmutableImportedSDField {
+    private final ImportedComplexField importedComplexField;
+
+    public ImmutableImportedComplexSDField(ImportedComplexField importedField) {
+        super(importedField);
+        importedComplexField = importedField;
+    }
+
+    @Override
+    public ImmutableSDField getStructField(String name) {
+        ImportedField field = importedComplexField.getNestedField(name);
+        return (field != null) ? field.asImmutableSDField() : null;
+    }
+
+    @Override
+    public Collection<? extends ImmutableSDField> getStructFields() {
+        return importedComplexField.getNestedFields().stream().map(field -> field.asImmutableSDField()).collect(toList());
+    }
+}