1 files changed, 62 insertions, 0 deletions
diff --git a/config-model/src/main/java/com/yahoo/schema/processing/multifieldresolver/IndexCommandResolver.java b/config-model/src/main/java/com/yahoo/schema/processing/multifieldresolver/IndexCommandResolver.java
new file mode 100644
index 00000000000..565a377f2a9
--- /dev/null
+++ b/config-model/src/main/java/com/yahoo/schema/processing/multifieldresolver/IndexCommandResolver.java
@@ -0,0 +1,62 @@
+// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
+package com.yahoo.schema.processing.multifieldresolver;
+
+import com.yahoo.config.application.api.DeployLogger;
+import com.yahoo.schema.document.SDField;
+import com.yahoo.schema.Schema;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+import java.util.logging.Level;
+
+/**
+ * Resolver-class for harmonizing index-commands in multifield indexes
+ */
+public class IndexCommandResolver extends MultiFieldResolver {
+
+    /** Commands which don't have to be harmonized between fields */
+    private static List<String> ignoredCommands = new ArrayList<>();
+
+    /** Commands which must be harmonized between fields */
+    private static List<String> harmonizedCommands = new ArrayList<>();
+
+    static {
+        String[] ignore = { "complete-boost", "literal-boost", "highlight" };
+        ignoredCommands.addAll(Arrays.asList(ignore));
+        String[] harmonize = { "stemming", "normalizing" };
+        harmonizedCommands.addAll(Arrays.asList(harmonize));
+    }
+
+    public IndexCommandResolver(String indexName, List<SDField> fields, Schema schema, DeployLogger logger) {
+        super(indexName, fields, schema, logger);
+    }
+
+    /**
+     * Check index-commands for each field, report and attempt to fix any
+     * inconsistencies
+     */
+    public void resolve() {
+        for (SDField field : fields) {
+            for (String command : field.getQueryCommands()) {
+                if (!ignoredCommands.contains(command))
+                    checkCommand(command);
+            }
+        }
+    }
+
+    private void checkCommand(String command) {
+        for (SDField field : fields) {
+            if (!field.hasQueryCommand(command)) {
+                if (harmonizedCommands.contains(command)) {
+                    deployLogger.logApplicationPackage(Level.WARNING, command + " must be added to all fields going to the same index (" + indexName + ")" +
+                            ", adding to field " + field.getName());
+                    field.addQueryCommand(command);
+                } else {
+                    deployLogger.logApplicationPackage(Level.WARNING, "All fields going to the same index should have the same query-commands. Field \'" + field.getName() +
+                            "\' doesn't contain command \'" + command+"\'");
+                }
+            }
+        }
+    }
+}