# This is a combination of 2 commits.

# This is the 1st commit message:

add Licensed to files

# This is the commit message apache#2:

feat(server): support vector index in graphdb  (apache#2856)

* feat(server): Add the vector index type and the detection of related fields to the index label.

* fix code format

* add annsearch API

* add doc to explain the plan

delete redundency in vertexapi

Author: hahahahbenny

hugegraph-server/hugegraph-core/src/main/java/org/apache/hugegraph/structure/HugeVectorIndexMap.java

@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package org.apache.hugegraph.structure;
 
 import java.util.concurrent.atomic.AtomicLong;

hugegraph-server/hugegraph-core/src/main/java/org/apache/hugegraph/type/define/IndexVectorState.java

@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package org.apache.hugegraph.type.define;
 
 public enum IndexVectorState implements SerialEnum{

hugegraph-server/hugegraph-test/src/main/java/org/apache/hugegraph/unit/serializer/VectorIndexSerializerTest.java

@@ -1,5 +1,18 @@
 /*
- * Tests for HugeVectorIndexMap and vector sequence serialization/deserialization.
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
  */
 
 package org.apache.hugegraph.unit.serializer;