apache · javeme · Jan 13, 2023 · Jan 13, 2023 · Jan 13, 2023
diff --git a/hugegraph-api/pom.xml b/hugegraph-api/pom.xml
@@ -1,19 +1,19 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
   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
+  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.
+  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.
   -->
 <project xmlns="http://maven.apache.org/POM/4.0.0"
          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

diff --git a/hugegraph-api/src/main/java/org/apache/hugegraph/api/API.java b/hugegraph-api/src/main/java/org/apache/hugegraph/api/API.java
@@ -1,6 +1,4 @@
 /*
- * Copyright 2017 HugeGraph Authors
- *
  * 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

diff --git a/hugegraph-api/src/main/java/org/apache/hugegraph/api/auth/AccessAPI.java b/hugegraph-api/src/main/java/org/apache/hugegraph/api/auth/AccessAPI.java
@@ -1,6 +1,4 @@
 /*
- * Copyright 2017 HugeGraph Authors
- *
  * 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

diff --git a/hugegraph-api/src/main/java/org/apache/hugegraph/api/auth/BelongAPI.java b/hugegraph-api/src/main/java/org/apache/hugegraph/api/auth/BelongAPI.java
@@ -1,6 +1,4 @@
 /*
- * Copyright 2017 HugeGraph Authors
- *
  * 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

diff --git a/hugegraph-api/src/main/java/org/apache/hugegraph/api/auth/GroupAPI.java b/hugegraph-api/src/main/java/org/apache/hugegraph/api/auth/GroupAPI.java
@@ -1,6 +1,4 @@
 /*
- * Copyright 2017 HugeGraph Authors
- *
  * 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

diff --git a/hugegraph-api/src/main/java/org/apache/hugegraph/api/auth/LoginAPI.java b/hugegraph-api/src/main/java/org/apache/hugegraph/api/auth/LoginAPI.java
@@ -1,6 +1,4 @@
 /*
- * Copyright 2017 HugeGraph Authors
- *
  * 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

diff --git a/hugegraph-api/src/main/java/org/apache/hugegraph/api/auth/ProjectAPI.java b/hugegraph-api/src/main/java/org/apache/hugegraph/api/auth/ProjectAPI.java
@@ -1,6 +1,4 @@
 /*
- * Copyright 2017 HugeGraph Authors
- *
  * 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

diff --git a/hugegraph-api/src/main/java/org/apache/hugegraph/api/auth/TargetAPI.java b/hugegraph-api/src/main/java/org/apache/hugegraph/api/auth/TargetAPI.java
@@ -1,6 +1,4 @@
 /*
- * Copyright 2017 HugeGraph Authors
- *
  * 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

diff --git a/hugegraph-api/src/main/java/org/apache/hugegraph/api/auth/UserAPI.java b/hugegraph-api/src/main/java/org/apache/hugegraph/api/auth/UserAPI.java
@@ -1,6 +1,4 @@
 /*
- * Copyright 2017 HugeGraph Authors
- *
  * 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

diff --git a/hugegraph-api/src/main/java/org/apache/hugegraph/api/filter/AuthenticationFilter.java b/hugegraph-api/src/main/java/org/apache/hugegraph/api/filter/AuthenticationFilter.java
@@ -1,6 +1,4 @@
 /*
- * Copyright 2017 HugeGraph Authors
- *
  * 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

diff --git a/hugegraph-api/src/main/java/org/apache/hugegraph/api/filter/CompressInterceptor.java b/hugegraph-api/src/main/java/org/apache/hugegraph/api/filter/CompressInterceptor.java
@@ -1,6 +1,4 @@
 /*
- * Copyright 2017 HugeGraph Authors
- *
  * 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

diff --git a/hugegraph-api/src/main/java/org/apache/hugegraph/api/filter/DecompressInterceptor.java b/hugegraph-api/src/main/java/org/apache/hugegraph/api/filter/DecompressInterceptor.java
@@ -1,6 +1,4 @@
 /*
- * Copyright 2017 HugeGraph Authors
- *
  * 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

diff --git a/hugegraph-api/src/main/java/org/apache/hugegraph/api/filter/ExceptionFilter.java b/hugegraph-api/src/main/java/org/apache/hugegraph/api/filter/ExceptionFilter.java
@@ -1,6 +1,4 @@
 /*
- * Copyright 2017 HugeGraph Authors
- *
  * 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

diff --git a/hugegraph-api/src/main/java/org/apache/hugegraph/api/filter/LoadDetectFilter.java b/hugegraph-api/src/main/java/org/apache/hugegraph/api/filter/LoadDetectFilter.java
@@ -1,6 +1,4 @@
 /*
- * Copyright 2017 HugeGraph Authors
- *
  * 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

diff --git a/hugegraph-api/src/main/java/org/apache/hugegraph/api/filter/LoadReleaseFilter.java b/hugegraph-api/src/main/java/org/apache/hugegraph/api/filter/LoadReleaseFilter.java
@@ -1,6 +1,4 @@
 /*
- * Copyright 2017 HugeGraph Authors
- *
  * 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

diff --git a/hugegraph-api/src/main/java/org/apache/hugegraph/api/filter/StatusFilter.java b/hugegraph-api/src/main/java/org/apache/hugegraph/api/filter/StatusFilter.java
@@ -1,6 +1,4 @@
 /*
- * Copyright 2017 HugeGraph Authors
- *
  * 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

diff --git a/hugegraph-api/src/main/java/org/apache/hugegraph/api/graph/BatchAPI.java b/hugegraph-api/src/main/java/org/apache/hugegraph/api/graph/BatchAPI.java
@@ -1,6 +1,4 @@
 /*
- * Copyright 2017 HugeGraph Authors
- *
  * 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

diff --git a/hugegraph-api/src/main/java/org/apache/hugegraph/api/graph/EdgeAPI.java b/hugegraph-api/src/main/java/org/apache/hugegraph/api/graph/EdgeAPI.java
@@ -1,6 +1,4 @@
 /*
- * Copyright 2017 HugeGraph Authors
- *
  * 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

diff --git a/hugegraph-api/src/main/java/org/apache/hugegraph/api/graph/VertexAPI.java b/hugegraph-api/src/main/java/org/apache/hugegraph/api/graph/VertexAPI.java
@@ -1,6 +1,4 @@
 /*
- * Copyright 2017 HugeGraph Authors
- *
  * 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

diff --git a/hugegraph-api/src/main/java/org/apache/hugegraph/api/gremlin/CypherAPI.java b/hugegraph-api/src/main/java/org/apache/hugegraph/api/gremlin/CypherAPI.java
@@ -1,6 +1,4 @@
 /*
- * Copyright 2017 HugeGraph Authors
- *
  * 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

diff --git a/hugegraph-api/src/main/java/org/apache/hugegraph/api/gremlin/GremlinAPI.java b/hugegraph-api/src/main/java/org/apache/hugegraph/api/gremlin/GremlinAPI.java
@@ -1,6 +1,4 @@
 /*
- * Copyright 2017 HugeGraph Authors
- *
  * 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

diff --git a/hugegraph-api/src/main/java/org/apache/hugegraph/api/gremlin/GremlinClient.java b/hugegraph-api/src/main/java/org/apache/hugegraph/api/gremlin/GremlinClient.java
@@ -1,6 +1,4 @@
 /*
- * Copyright 2017 HugeGraph Authors
- *
  * 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

diff --git a/hugegraph-api/src/main/java/org/apache/hugegraph/api/gremlin/GremlinQueryAPI.java b/hugegraph-api/src/main/java/org/apache/hugegraph/api/gremlin/GremlinQueryAPI.java
@@ -1,6 +1,4 @@
 /*
- * Copyright 2017 HugeGraph Authors
- *
  * 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

diff --git a/hugegraph-api/src/main/java/org/apache/hugegraph/api/job/AlgorithmAPI.java b/hugegraph-api/src/main/java/org/apache/hugegraph/api/job/AlgorithmAPI.java
@@ -1,6 +1,4 @@
 /*
- * Copyright 2017 HugeGraph Authors
- *
  * 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

diff --git a/hugegraph-api/src/main/java/org/apache/hugegraph/api/job/ComputerAPI.java b/hugegraph-api/src/main/java/org/apache/hugegraph/api/job/ComputerAPI.java
@@ -1,6 +1,4 @@
 /*
- * Copyright 2017 HugeGraph Authors
- *
  * 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

diff --git a/hugegraph-api/src/main/java/org/apache/hugegraph/api/job/GremlinAPI.java b/hugegraph-api/src/main/java/org/apache/hugegraph/api/job/GremlinAPI.java
@@ -1,6 +1,4 @@
 /*
- * Copyright 2017 HugeGraph Authors
- *
  * 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

diff --git a/hugegraph-api/src/main/java/org/apache/hugegraph/api/job/RebuildAPI.java b/hugegraph-api/src/main/java/org/apache/hugegraph/api/job/RebuildAPI.java
@@ -1,6 +1,4 @@
 /*
- * Copyright 2017 HugeGraph Authors
- *
  * 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

diff --git a/hugegraph-api/src/main/java/org/apache/hugegraph/api/job/TaskAPI.java b/hugegraph-api/src/main/java/org/apache/hugegraph/api/job/TaskAPI.java
@@ -1,6 +1,4 @@
 /*
- * Copyright 2017 HugeGraph Authors
- *
  * 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

diff --git a/hugegraph-api/src/main/java/org/apache/hugegraph/api/metrics/MetricsAPI.java b/hugegraph-api/src/main/java/org/apache/hugegraph/api/metrics/MetricsAPI.java
@@ -1,6 +1,4 @@
 /*
- * Copyright 2017 HugeGraph Authors
- *
  * 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

diff --git a/hugegraph-api/src/main/java/org/apache/hugegraph/api/profile/GraphsAPI.java b/hugegraph-api/src/main/java/org/apache/hugegraph/api/profile/GraphsAPI.java
@@ -1,6 +1,4 @@
 /*
- * Copyright 2017 HugeGraph Authors
- *
  * 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

diff --git a/hugegraph-api/src/main/java/org/apache/hugegraph/api/profile/ProfileAPI.java b/hugegraph-api/src/main/java/org/apache/hugegraph/api/profile/ProfileAPI.java
@@ -1,6 +1,4 @@
 /*
- * Copyright 2017 HugeGraph Authors
- *
  * 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

diff --git a/hugegraph-api/src/main/java/org/apache/hugegraph/api/profile/VersionAPI.java b/hugegraph-api/src/main/java/org/apache/hugegraph/api/profile/VersionAPI.java
@@ -1,6 +1,4 @@
 /*
- * Copyright 2017 HugeGraph Authors
- *
  * 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

diff --git a/hugegraph-api/src/main/java/org/apache/hugegraph/api/raft/RaftAPI.java b/hugegraph-api/src/main/java/org/apache/hugegraph/api/raft/RaftAPI.java
@@ -1,6 +1,4 @@
 /*
- * Copyright 2017 HugeGraph Authors
- *
  * 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

diff --git a/hugegraph-api/src/main/java/org/apache/hugegraph/api/schema/EdgeLabelAPI.java b/hugegraph-api/src/main/java/org/apache/hugegraph/api/schema/EdgeLabelAPI.java
@@ -1,6 +1,4 @@
 /*
- * Copyright 2017 HugeGraph Authors
- *
  * 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

diff --git a/hugegraph-api/src/main/java/org/apache/hugegraph/api/schema/IndexLabelAPI.java b/hugegraph-api/src/main/java/org/apache/hugegraph/api/schema/IndexLabelAPI.java
@@ -1,6 +1,4 @@
 /*
- * Copyright 2017 HugeGraph Authors
- *
  * 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

diff --git a/hugegraph-api/src/main/java/org/apache/hugegraph/api/schema/PropertyKeyAPI.java b/hugegraph-api/src/main/java/org/apache/hugegraph/api/schema/PropertyKeyAPI.java
@@ -1,6 +1,4 @@
 /*
- * Copyright 2017 HugeGraph Authors
- *
  * 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

diff --git a/hugegraph-api/src/main/java/org/apache/hugegraph/api/schema/SchemaAPI.java b/hugegraph-api/src/main/java/org/apache/hugegraph/api/schema/SchemaAPI.java
@@ -1,6 +1,4 @@
 /*
- * Copyright 2017 HugeGraph Authors
- *
  * 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

diff --git a/hugegraph-api/src/main/java/org/apache/hugegraph/api/schema/VertexLabelAPI.java b/hugegraph-api/src/main/java/org/apache/hugegraph/api/schema/VertexLabelAPI.java
@@ -1,6 +1,4 @@
 /*
- * Copyright 2017 HugeGraph Authors
- *
  * 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

diff --git a/hugegraph-api/src/main/java/org/apache/hugegraph/api/traversers/AdamicAdarAPI.java b/hugegraph-api/src/main/java/org/apache/hugegraph/api/traversers/AdamicAdarAPI.java
@@ -1,6 +1,4 @@
 /*
- * Copyright 2017 HugeGraph Authors
- *
  * 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

diff --git a/hugegraph-api/src/main/java/org/apache/hugegraph/api/traversers/AllShortestPathsAPI.java b/hugegraph-api/src/main/java/org/apache/hugegraph/api/traversers/AllShortestPathsAPI.java
@@ -1,6 +1,4 @@
 /*
- * Copyright 2017 HugeGraph Authors
- *
  * 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

diff --git a/hugegraph-api/src/main/java/org/apache/hugegraph/api/traversers/CountAPI.java b/hugegraph-api/src/main/java/org/apache/hugegraph/api/traversers/CountAPI.java
@@ -1,6 +1,4 @@
 /*
- * Copyright 2017 HugeGraph Authors
- *
  * 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

diff --git a/hugegraph-api/src/main/java/org/apache/hugegraph/api/traversers/CrosspointsAPI.java b/hugegraph-api/src/main/java/org/apache/hugegraph/api/traversers/CrosspointsAPI.java
@@ -1,6 +1,4 @@
 /*
- * Copyright 2017 HugeGraph Authors
- *
  * 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

diff --git a/...graph-api/src/main/java/org/apache/hugegraph/api/traversers/CustomizedCrosspointsAPI.java b/...graph-api/src/main/java/org/apache/hugegraph/api/traversers/CustomizedCrosspointsAPI.java
@@ -1,6 +1,4 @@
 /*
- * Copyright 2017 HugeGraph Authors
- *
  * 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

diff --git a/hugegraph-api/src/main/java/org/apache/hugegraph/api/traversers/CustomizedPathsAPI.java b/hugegraph-api/src/main/java/org/apache/hugegraph/api/traversers/CustomizedPathsAPI.java
@@ -1,6 +1,4 @@
 /*
- * Copyright 2017 HugeGraph Authors
- *
  * 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

diff --git a/hugegraph-api/src/main/java/org/apache/hugegraph/api/traversers/EdgesAPI.java b/hugegraph-api/src/main/java/org/apache/hugegraph/api/traversers/EdgesAPI.java
@@ -1,6 +1,4 @@
 /*
- * Copyright 2017 HugeGraph Authors
- *
  * 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

diff --git a/hugegraph-api/src/main/java/org/apache/hugegraph/api/traversers/FusiformSimilarityAPI.java b/hugegraph-api/src/main/java/org/apache/hugegraph/api/traversers/FusiformSimilarityAPI.java
@@ -1,6 +1,4 @@
 /*
- * Copyright 2017 HugeGraph Authors
- *
  * 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

diff --git a/hugegraph-api/src/main/java/org/apache/hugegraph/api/traversers/JaccardSimilarityAPI.java b/hugegraph-api/src/main/java/org/apache/hugegraph/api/traversers/JaccardSimilarityAPI.java
@@ -1,6 +1,4 @@
 /*
- * Copyright 2017 HugeGraph Authors
- *
  * 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

diff --git a/hugegraph-api/src/main/java/org/apache/hugegraph/api/traversers/KneighborAPI.java b/hugegraph-api/src/main/java/org/apache/hugegraph/api/traversers/KneighborAPI.java
@@ -1,6 +1,4 @@
 /*
- * Copyright 2017 HugeGraph Authors
- *
  * 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

diff --git a/hugegraph-api/src/main/java/org/apache/hugegraph/api/traversers/KoutAPI.java b/hugegraph-api/src/main/java/org/apache/hugegraph/api/traversers/KoutAPI.java
@@ -1,6 +1,4 @@
 /*
- * Copyright 2017 HugeGraph Authors
- *
  * 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

diff --git a/...graph-api/src/main/java/org/apache/hugegraph/api/traversers/MultiNodeShortestPathAPI.java b/...graph-api/src/main/java/org/apache/hugegraph/api/traversers/MultiNodeShortestPathAPI.java
@@ -1,6 +1,4 @@
 /*
- * Copyright 2017 HugeGraph Authors
- *
  * 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

diff --git a/hugegraph-api/src/main/java/org/apache/hugegraph/api/traversers/NeighborRankAPI.java b/hugegraph-api/src/main/java/org/apache/hugegraph/api/traversers/NeighborRankAPI.java
@@ -1,6 +1,4 @@
 /*
- * Copyright 2017 HugeGraph Authors
- *
  * 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

diff --git a/hugegraph-api/src/main/java/org/apache/hugegraph/api/traversers/PathsAPI.java b/hugegraph-api/src/main/java/org/apache/hugegraph/api/traversers/PathsAPI.java
@@ -1,6 +1,4 @@
 /*
- * Copyright 2017 HugeGraph Authors
- *
  * 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

diff --git a/hugegraph-api/src/main/java/org/apache/hugegraph/api/traversers/PersonalRankAPI.java b/hugegraph-api/src/main/java/org/apache/hugegraph/api/traversers/PersonalRankAPI.java
@@ -1,6 +1,4 @@
 /*
- * Copyright 2017 HugeGraph Authors
- *
  * 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

diff --git a/hugegraph-api/src/main/java/org/apache/hugegraph/api/traversers/RaysAPI.java b/hugegraph-api/src/main/java/org/apache/hugegraph/api/traversers/RaysAPI.java
@@ -1,6 +1,4 @@
 /*
- * Copyright 2017 HugeGraph Authors
- *
  * 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