1 files changed, 48 insertions, 0 deletions
diff --git a/config-model/src/main/java/com/yahoo/schema/derived/Deriver.java b/config-model/src/main/java/com/yahoo/schema/derived/Deriver.java
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+++ b/config-model/src/main/java/com/yahoo/schema/derived/Deriver.java
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+// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
+package com.yahoo.schema.derived;
+import com.yahoo.document.config.DocumenttypesConfig;
+import com.yahoo.document.config.DocumentmanagerConfig;
+import com.yahoo.schema.ApplicationBuilder;
+import com.yahoo.schema.parser.ParseException;
+import com.yahoo.vespa.configmodel.producers.DocumentManager;
+import com.yahoo.vespa.configmodel.producers.DocumentTypes;
+import java.io.IOException;
+import java.util.Collections;
+import java.util.List;
+
+/**
+ * Facade for deriving configs from schemas
+ *
+ * @author bratseth
+ */
+public class Deriver {
+
+    public static ApplicationBuilder getSchemaBuilder(List<String> schemas) {
+        ApplicationBuilder builder = new ApplicationBuilder();
+        try {
+            for (String schema : schemas)
+                builder.addSchemaFile(schema);
+        } catch (ParseException | IOException e) {
+            throw new IllegalArgumentException(e);
+        }
+        builder.build(true);
+        return builder;
+    }
+
+    public static DocumentmanagerConfig.Builder getDocumentManagerConfig(String sd) {
+        return getDocumentManagerConfig(Collections.singletonList(sd));
+    }
+
+    public static DocumentmanagerConfig.Builder getDocumentManagerConfig(List<String> schemas) {
+        return new DocumentManager().produce(getSchemaBuilder(schemas).getModel(), new DocumentmanagerConfig.Builder());
+    }
+
+    public static DocumenttypesConfig.Builder getDocumentTypesConfig(String schema) {
+        return getDocumentTypesConfig(Collections.singletonList(schema));
+    }
+
+    public static DocumenttypesConfig.Builder getDocumentTypesConfig(List<String> schemas) {
+        return new DocumentTypes().produce(getSchemaBuilder(schemas).getModel(), new DocumenttypesConfig.Builder());
+    }
+
+}