http://git-wip-us.apache.org/repos/asf/incubator-s2graph/blob/8c04784a/s2core/src/main/scala/com/kakao/s2graph/core/storage/MutationBuilder.scala
----------------------------------------------------------------------
diff --git 
a/s2core/src/main/scala/com/kakao/s2graph/core/storage/MutationBuilder.scala 
b/s2core/src/main/scala/com/kakao/s2graph/core/storage/MutationBuilder.scala
index c5d4882..cfb4c26 100644
--- a/s2core/src/main/scala/com/kakao/s2graph/core/storage/MutationBuilder.scala
+++ b/s2core/src/main/scala/com/kakao/s2graph/core/storage/MutationBuilder.scala
@@ -1,3 +1,22 @@
+/*
+ * 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 com.kakao.s2graph.core.storage
 
 import com.kakao.s2graph.core._

http://git-wip-us.apache.org/repos/asf/incubator-s2graph/blob/8c04784a/s2core/src/main/scala/com/kakao/s2graph/core/storage/QueryBuilder.scala
----------------------------------------------------------------------
diff --git 
a/s2core/src/main/scala/com/kakao/s2graph/core/storage/QueryBuilder.scala 
b/s2core/src/main/scala/com/kakao/s2graph/core/storage/QueryBuilder.scala
index b6380dd..68ce53f 100644
--- a/s2core/src/main/scala/com/kakao/s2graph/core/storage/QueryBuilder.scala
+++ b/s2core/src/main/scala/com/kakao/s2graph/core/storage/QueryBuilder.scala
@@ -1,3 +1,22 @@
+/*
+ * 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 com.kakao.s2graph.core.storage
 
 import com.google.common.cache.Cache

http://git-wip-us.apache.org/repos/asf/incubator-s2graph/blob/8c04784a/s2core/src/main/scala/com/kakao/s2graph/core/storage/SKeyValue.scala
----------------------------------------------------------------------
diff --git 
a/s2core/src/main/scala/com/kakao/s2graph/core/storage/SKeyValue.scala 
b/s2core/src/main/scala/com/kakao/s2graph/core/storage/SKeyValue.scala
index c2c822b..c0c8cd7 100644
--- a/s2core/src/main/scala/com/kakao/s2graph/core/storage/SKeyValue.scala
+++ b/s2core/src/main/scala/com/kakao/s2graph/core/storage/SKeyValue.scala
@@ -1,3 +1,22 @@
+/*
+ * 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 com.kakao.s2graph.core.storage
 
 import org.hbase.async.KeyValue

http://git-wip-us.apache.org/repos/asf/incubator-s2graph/blob/8c04784a/s2core/src/main/scala/com/kakao/s2graph/core/storage/Storage.scala
----------------------------------------------------------------------
diff --git a/s2core/src/main/scala/com/kakao/s2graph/core/storage/Storage.scala 
b/s2core/src/main/scala/com/kakao/s2graph/core/storage/Storage.scala
index 79303a5..a2c5ea5 100644
--- a/s2core/src/main/scala/com/kakao/s2graph/core/storage/Storage.scala
+++ b/s2core/src/main/scala/com/kakao/s2graph/core/storage/Storage.scala
@@ -1,3 +1,22 @@
+/*
+ * 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 com.kakao.s2graph.core.storage
 
 import com.google.common.cache.Cache

http://git-wip-us.apache.org/repos/asf/incubator-s2graph/blob/8c04784a/s2core/src/main/scala/com/kakao/s2graph/core/storage/StorageDeserializable.scala
----------------------------------------------------------------------
diff --git 
a/s2core/src/main/scala/com/kakao/s2graph/core/storage/StorageDeserializable.scala
 
b/s2core/src/main/scala/com/kakao/s2graph/core/storage/StorageDeserializable.scala
index 791a080..9347255 100644
--- 
a/s2core/src/main/scala/com/kakao/s2graph/core/storage/StorageDeserializable.scala
+++ 
b/s2core/src/main/scala/com/kakao/s2graph/core/storage/StorageDeserializable.scala
@@ -1,3 +1,22 @@
+/*
+ * 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 com.kakao.s2graph.core.storage
 
 import com.kakao.s2graph.core.{Edge, IndexEdge, QueryParam}

http://git-wip-us.apache.org/repos/asf/incubator-s2graph/blob/8c04784a/s2core/src/main/scala/com/kakao/s2graph/core/storage/StorageSerializable.scala
----------------------------------------------------------------------
diff --git 
a/s2core/src/main/scala/com/kakao/s2graph/core/storage/StorageSerializable.scala
 
b/s2core/src/main/scala/com/kakao/s2graph/core/storage/StorageSerializable.scala
index 575f4ab..236e2d3 100644
--- 
a/s2core/src/main/scala/com/kakao/s2graph/core/storage/StorageSerializable.scala
+++ 
b/s2core/src/main/scala/com/kakao/s2graph/core/storage/StorageSerializable.scala
@@ -1,3 +1,22 @@
+/*
+ * 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 com.kakao.s2graph.core.storage
 
 import com.kakao.s2graph.core.types.{InnerValLikeWithTs, InnerValLike}

http://git-wip-us.apache.org/repos/asf/incubator-s2graph/blob/8c04784a/s2core/src/main/scala/com/kakao/s2graph/core/storage/hbase/AsynchbaseMutationBuilder.scala
----------------------------------------------------------------------
diff --git 
a/s2core/src/main/scala/com/kakao/s2graph/core/storage/hbase/AsynchbaseMutationBuilder.scala
 
b/s2core/src/main/scala/com/kakao/s2graph/core/storage/hbase/AsynchbaseMutationBuilder.scala
index 504f369..b4ff58c 100644
--- 
a/s2core/src/main/scala/com/kakao/s2graph/core/storage/hbase/AsynchbaseMutationBuilder.scala
+++ 
b/s2core/src/main/scala/com/kakao/s2graph/core/storage/hbase/AsynchbaseMutationBuilder.scala
@@ -1,3 +1,22 @@
+/*
+ * 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 com.kakao.s2graph.core.storage.hbase
 
 import com.kakao.s2graph.core._

http://git-wip-us.apache.org/repos/asf/incubator-s2graph/blob/8c04784a/s2core/src/main/scala/com/kakao/s2graph/core/storage/hbase/AsynchbaseQueryBuilder.scala
----------------------------------------------------------------------
diff --git 
a/s2core/src/main/scala/com/kakao/s2graph/core/storage/hbase/AsynchbaseQueryBuilder.scala
 
b/s2core/src/main/scala/com/kakao/s2graph/core/storage/hbase/AsynchbaseQueryBuilder.scala
index 824bb0d..9920c52 100644
--- 
a/s2core/src/main/scala/com/kakao/s2graph/core/storage/hbase/AsynchbaseQueryBuilder.scala
+++ 
b/s2core/src/main/scala/com/kakao/s2graph/core/storage/hbase/AsynchbaseQueryBuilder.scala
@@ -1,3 +1,22 @@
+/*
+ * 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 com.kakao.s2graph.core.storage.hbase
 
 import java.util

http://git-wip-us.apache.org/repos/asf/incubator-s2graph/blob/8c04784a/s2core/src/main/scala/com/kakao/s2graph/core/storage/hbase/AsynchbaseStorage.scala
----------------------------------------------------------------------
diff --git 
a/s2core/src/main/scala/com/kakao/s2graph/core/storage/hbase/AsynchbaseStorage.scala
 
b/s2core/src/main/scala/com/kakao/s2graph/core/storage/hbase/AsynchbaseStorage.scala
index 74f580e..656d593 100644
--- 
a/s2core/src/main/scala/com/kakao/s2graph/core/storage/hbase/AsynchbaseStorage.scala
+++ 
b/s2core/src/main/scala/com/kakao/s2graph/core/storage/hbase/AsynchbaseStorage.scala
@@ -1,3 +1,22 @@
+/*
+ * 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 com.kakao.s2graph.core.storage.hbase
 
 import java.util

http://git-wip-us.apache.org/repos/asf/incubator-s2graph/blob/8c04784a/s2core/src/main/scala/com/kakao/s2graph/core/storage/hbase/HDeserializable.scala
----------------------------------------------------------------------
diff --git 
a/s2core/src/main/scala/com/kakao/s2graph/core/storage/hbase/HDeserializable.scala
 
b/s2core/src/main/scala/com/kakao/s2graph/core/storage/hbase/HDeserializable.scala
index 25fe642..9aa38ea 100644
--- 
a/s2core/src/main/scala/com/kakao/s2graph/core/storage/hbase/HDeserializable.scala
+++ 
b/s2core/src/main/scala/com/kakao/s2graph/core/storage/hbase/HDeserializable.scala
@@ -1,3 +1,22 @@
+/*
+ * 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 com.kakao.s2graph.core.storage.hbase
 
 import com.kakao.s2graph.core.storage.{SKeyValue, StorageDeserializable}
@@ -22,4 +41,4 @@ trait HDeserializable[E] extends StorageDeserializable[E] {
     val rowLen = srcIdLen + 4 + 1
     (srcVertexId, labelWithDir, labelIdxSeq, isInverted, rowLen)
   }
-}
\ No newline at end of file
+}

http://git-wip-us.apache.org/repos/asf/incubator-s2graph/blob/8c04784a/s2core/src/main/scala/com/kakao/s2graph/core/storage/hbase/HSerializable.scala
----------------------------------------------------------------------
diff --git 
a/s2core/src/main/scala/com/kakao/s2graph/core/storage/hbase/HSerializable.scala
 
b/s2core/src/main/scala/com/kakao/s2graph/core/storage/hbase/HSerializable.scala
index cc21cba..67e5443 100644
--- 
a/s2core/src/main/scala/com/kakao/s2graph/core/storage/hbase/HSerializable.scala
+++ 
b/s2core/src/main/scala/com/kakao/s2graph/core/storage/hbase/HSerializable.scala
@@ -1,3 +1,22 @@
+/*
+ * 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 com.kakao.s2graph.core.storage.hbase
 
 import com.kakao.s2graph.core.storage.StorageSerializable

http://git-wip-us.apache.org/repos/asf/incubator-s2graph/blob/8c04784a/s2core/src/main/scala/com/kakao/s2graph/core/storage/hbase/IndexEdgeDeserializable.scala
----------------------------------------------------------------------
diff --git 
a/s2core/src/main/scala/com/kakao/s2graph/core/storage/hbase/IndexEdgeDeserializable.scala
 
b/s2core/src/main/scala/com/kakao/s2graph/core/storage/hbase/IndexEdgeDeserializable.scala
index 64ac1cf..cec3a98 100644
--- 
a/s2core/src/main/scala/com/kakao/s2graph/core/storage/hbase/IndexEdgeDeserializable.scala
+++ 
b/s2core/src/main/scala/com/kakao/s2graph/core/storage/hbase/IndexEdgeDeserializable.scala
@@ -1,3 +1,22 @@
+/*
+ * 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 com.kakao.s2graph.core.storage.hbase
 
 import com.kakao.s2graph.core._

http://git-wip-us.apache.org/repos/asf/incubator-s2graph/blob/8c04784a/s2core/src/main/scala/com/kakao/s2graph/core/storage/hbase/IndexEdgeSerializable.scala
----------------------------------------------------------------------
diff --git 
a/s2core/src/main/scala/com/kakao/s2graph/core/storage/hbase/IndexEdgeSerializable.scala
 
b/s2core/src/main/scala/com/kakao/s2graph/core/storage/hbase/IndexEdgeSerializable.scala
index ceba4b9..9770942 100644
--- 
a/s2core/src/main/scala/com/kakao/s2graph/core/storage/hbase/IndexEdgeSerializable.scala
+++ 
b/s2core/src/main/scala/com/kakao/s2graph/core/storage/hbase/IndexEdgeSerializable.scala
@@ -1,3 +1,22 @@
+/*
+ * 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 com.kakao.s2graph.core.storage.hbase
 
 import com.kakao.s2graph.core.mysqls.LabelMeta

http://git-wip-us.apache.org/repos/asf/incubator-s2graph/blob/8c04784a/s2core/src/main/scala/com/kakao/s2graph/core/storage/hbase/SnapshotEdgeDeserializable.scala
----------------------------------------------------------------------
diff --git 
a/s2core/src/main/scala/com/kakao/s2graph/core/storage/hbase/SnapshotEdgeDeserializable.scala
 
b/s2core/src/main/scala/com/kakao/s2graph/core/storage/hbase/SnapshotEdgeDeserializable.scala
index 97f63e4..23cb5bb 100644
--- 
a/s2core/src/main/scala/com/kakao/s2graph/core/storage/hbase/SnapshotEdgeDeserializable.scala
+++ 
b/s2core/src/main/scala/com/kakao/s2graph/core/storage/hbase/SnapshotEdgeDeserializable.scala
@@ -1,3 +1,22 @@
+/*
+ * 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 com.kakao.s2graph.core.storage.hbase
 
 import com.kakao.s2graph.core.mysqls.{LabelIndex, LabelMeta}

http://git-wip-us.apache.org/repos/asf/incubator-s2graph/blob/8c04784a/s2core/src/main/scala/com/kakao/s2graph/core/storage/hbase/SnapshotEdgeSerializable.scala
----------------------------------------------------------------------
diff --git 
a/s2core/src/main/scala/com/kakao/s2graph/core/storage/hbase/SnapshotEdgeSerializable.scala
 
b/s2core/src/main/scala/com/kakao/s2graph/core/storage/hbase/SnapshotEdgeSerializable.scala
index a9e77dc..cd8ddde 100644
--- 
a/s2core/src/main/scala/com/kakao/s2graph/core/storage/hbase/SnapshotEdgeSerializable.scala
+++ 
b/s2core/src/main/scala/com/kakao/s2graph/core/storage/hbase/SnapshotEdgeSerializable.scala
@@ -1,3 +1,22 @@
+/*
+ * 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 com.kakao.s2graph.core.storage.hbase
 
 import java.util.UUID

http://git-wip-us.apache.org/repos/asf/incubator-s2graph/blob/8c04784a/s2core/src/main/scala/com/kakao/s2graph/core/storage/hbase/VertexDeserializable.scala
----------------------------------------------------------------------
diff --git 
a/s2core/src/main/scala/com/kakao/s2graph/core/storage/hbase/VertexDeserializable.scala
 
b/s2core/src/main/scala/com/kakao/s2graph/core/storage/hbase/VertexDeserializable.scala
index 4c0ca19..2191cf0 100644
--- 
a/s2core/src/main/scala/com/kakao/s2graph/core/storage/hbase/VertexDeserializable.scala
+++ 
b/s2core/src/main/scala/com/kakao/s2graph/core/storage/hbase/VertexDeserializable.scala
@@ -1,3 +1,22 @@
+/*
+ * 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 com.kakao.s2graph.core.storage.hbase
 
 import com.kakao.s2graph.core.storage.CanSKeyValue

http://git-wip-us.apache.org/repos/asf/incubator-s2graph/blob/8c04784a/s2core/src/main/scala/com/kakao/s2graph/core/storage/hbase/VertexSerializable.scala
----------------------------------------------------------------------
diff --git 
a/s2core/src/main/scala/com/kakao/s2graph/core/storage/hbase/VertexSerializable.scala
 
b/s2core/src/main/scala/com/kakao/s2graph/core/storage/hbase/VertexSerializable.scala
index 370b844..7747e92 100644
--- 
a/s2core/src/main/scala/com/kakao/s2graph/core/storage/hbase/VertexSerializable.scala
+++ 
b/s2core/src/main/scala/com/kakao/s2graph/core/storage/hbase/VertexSerializable.scala
@@ -1,3 +1,22 @@
+/*
+ * 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 com.kakao.s2graph.core.storage.hbase
 
 import com.kakao.s2graph.core.Vertex

http://git-wip-us.apache.org/repos/asf/incubator-s2graph/blob/8c04784a/s2core/src/main/scala/com/kakao/s2graph/core/types/HBaseType.scala
----------------------------------------------------------------------
diff --git a/s2core/src/main/scala/com/kakao/s2graph/core/types/HBaseType.scala 
b/s2core/src/main/scala/com/kakao/s2graph/core/types/HBaseType.scala
index 62af1d7..4828792 100644
--- a/s2core/src/main/scala/com/kakao/s2graph/core/types/HBaseType.scala
+++ b/s2core/src/main/scala/com/kakao/s2graph/core/types/HBaseType.scala
@@ -1,3 +1,22 @@
+/*
+ * 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 com.kakao.s2graph.core.types
 
 import org.apache.hadoop.hbase.util.Bytes
@@ -159,4 +178,4 @@ trait HBaseDeserializableWithIsVertexId {
                 isVertexId: Boolean = false): (HBaseSerializable, Int)
 
   def notSupportedEx(version: String) = new RuntimeException(s"not supported 
version, $version")
-}
\ No newline at end of file
+}

http://git-wip-us.apache.org/repos/asf/incubator-s2graph/blob/8c04784a/s2core/src/main/scala/com/kakao/s2graph/core/types/InnerValLike.scala
----------------------------------------------------------------------
diff --git 
a/s2core/src/main/scala/com/kakao/s2graph/core/types/InnerValLike.scala 
b/s2core/src/main/scala/com/kakao/s2graph/core/types/InnerValLike.scala
index 8209462..6ec558d 100644
--- a/s2core/src/main/scala/com/kakao/s2graph/core/types/InnerValLike.scala
+++ b/s2core/src/main/scala/com/kakao/s2graph/core/types/InnerValLike.scala
@@ -1,3 +1,22 @@
+/*
+ * 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 com.kakao.s2graph.core.types
 
 import org.apache.hadoop.hbase.util._

http://git-wip-us.apache.org/repos/asf/incubator-s2graph/blob/8c04784a/s2core/src/main/scala/com/kakao/s2graph/core/types/LabelWithDirection.scala
----------------------------------------------------------------------
diff --git 
a/s2core/src/main/scala/com/kakao/s2graph/core/types/LabelWithDirection.scala 
b/s2core/src/main/scala/com/kakao/s2graph/core/types/LabelWithDirection.scala
index 6207ad7..750b50f 100644
--- 
a/s2core/src/main/scala/com/kakao/s2graph/core/types/LabelWithDirection.scala
+++ 
b/s2core/src/main/scala/com/kakao/s2graph/core/types/LabelWithDirection.scala
@@ -1,3 +1,22 @@
+/*
+ * 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 com.kakao.s2graph.core.types
 
 import com.kakao.s2graph.core.GraphUtil

http://git-wip-us.apache.org/repos/asf/incubator-s2graph/blob/8c04784a/s2core/src/main/scala/com/kakao/s2graph/core/types/VertexId.scala
----------------------------------------------------------------------
diff --git a/s2core/src/main/scala/com/kakao/s2graph/core/types/VertexId.scala 
b/s2core/src/main/scala/com/kakao/s2graph/core/types/VertexId.scala
index 13637bf..d8c0be4 100644
--- a/s2core/src/main/scala/com/kakao/s2graph/core/types/VertexId.scala
+++ b/s2core/src/main/scala/com/kakao/s2graph/core/types/VertexId.scala
@@ -1,3 +1,22 @@
+/*
+ * 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 com.kakao.s2graph.core.types
 
 import com.kakao.s2graph.core.GraphUtil

http://git-wip-us.apache.org/repos/asf/incubator-s2graph/blob/8c04784a/s2core/src/main/scala/com/kakao/s2graph/core/types/v1/InnerVal.scala
----------------------------------------------------------------------
diff --git 
a/s2core/src/main/scala/com/kakao/s2graph/core/types/v1/InnerVal.scala 
b/s2core/src/main/scala/com/kakao/s2graph/core/types/v1/InnerVal.scala
index 5111cbc..54bd534 100644
--- a/s2core/src/main/scala/com/kakao/s2graph/core/types/v1/InnerVal.scala
+++ b/s2core/src/main/scala/com/kakao/s2graph/core/types/v1/InnerVal.scala
@@ -1,3 +1,22 @@
+/*
+ * 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 com.kakao.s2graph.core.types.v1
 
 import com.kakao.s2graph.core.GraphExceptions.IllegalDataTypeException

http://git-wip-us.apache.org/repos/asf/incubator-s2graph/blob/8c04784a/s2core/src/main/scala/com/kakao/s2graph/core/types/v2/InnerVal.scala
----------------------------------------------------------------------
diff --git 
a/s2core/src/main/scala/com/kakao/s2graph/core/types/v2/InnerVal.scala 
b/s2core/src/main/scala/com/kakao/s2graph/core/types/v2/InnerVal.scala
index 630e53d..6b53674 100644
--- a/s2core/src/main/scala/com/kakao/s2graph/core/types/v2/InnerVal.scala
+++ b/s2core/src/main/scala/com/kakao/s2graph/core/types/v2/InnerVal.scala
@@ -1,3 +1,22 @@
+/*
+ * 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 com.kakao.s2graph.core.types.v2
 
 import com.kakao.s2graph.core.types._

http://git-wip-us.apache.org/repos/asf/incubator-s2graph/blob/8c04784a/s2core/src/main/scala/com/kakao/s2graph/core/utils/Extentions.scala
----------------------------------------------------------------------
diff --git 
a/s2core/src/main/scala/com/kakao/s2graph/core/utils/Extentions.scala 
b/s2core/src/main/scala/com/kakao/s2graph/core/utils/Extentions.scala
index 3812c2c..3e27c83 100644
--- a/s2core/src/main/scala/com/kakao/s2graph/core/utils/Extentions.scala
+++ b/s2core/src/main/scala/com/kakao/s2graph/core/utils/Extentions.scala
@@ -1,3 +1,22 @@
+/*
+ * 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 com.kakao.s2graph.core.utils
 
 import com.stumbleupon.async.{Callback, Deferred}

http://git-wip-us.apache.org/repos/asf/incubator-s2graph/blob/8c04784a/s2core/src/main/scala/com/kakao/s2graph/core/utils/Logger.scala
----------------------------------------------------------------------
diff --git a/s2core/src/main/scala/com/kakao/s2graph/core/utils/Logger.scala 
b/s2core/src/main/scala/com/kakao/s2graph/core/utils/Logger.scala
index 4f2ba9f..8b0f683 100644
--- a/s2core/src/main/scala/com/kakao/s2graph/core/utils/Logger.scala
+++ b/s2core/src/main/scala/com/kakao/s2graph/core/utils/Logger.scala
@@ -1,3 +1,22 @@
+/*
+ * 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 com.kakao.s2graph.core.utils
 
 import play.api.Logger

http://git-wip-us.apache.org/repos/asf/incubator-s2graph/blob/8c04784a/s2core/src/main/scala/com/kakao/s2graph/core/utils/SafeUpdateCache.scala
----------------------------------------------------------------------
diff --git 
a/s2core/src/main/scala/com/kakao/s2graph/core/utils/SafeUpdateCache.scala 
b/s2core/src/main/scala/com/kakao/s2graph/core/utils/SafeUpdateCache.scala
index d383b47..c2b4833 100644
--- a/s2core/src/main/scala/com/kakao/s2graph/core/utils/SafeUpdateCache.scala
+++ b/s2core/src/main/scala/com/kakao/s2graph/core/utils/SafeUpdateCache.scala
@@ -1,3 +1,22 @@
+/*
+ * 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 com.kakao.s2graph.core.utils
 
 import java.util.concurrent.atomic.AtomicBoolean

http://git-wip-us.apache.org/repos/asf/incubator-s2graph/blob/8c04784a/s2core/src/test/scala/com/kakao/s2graph/core/EdgeTest.scala
----------------------------------------------------------------------
diff --git a/s2core/src/test/scala/com/kakao/s2graph/core/EdgeTest.scala 
b/s2core/src/test/scala/com/kakao/s2graph/core/EdgeTest.scala
index 6374d43..c7e2758 100644
--- a/s2core/src/test/scala/com/kakao/s2graph/core/EdgeTest.scala
+++ b/s2core/src/test/scala/com/kakao/s2graph/core/EdgeTest.scala
@@ -1,3 +1,22 @@
+/*
+ * 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 com.kakao.s2graph.core
 
 import com.kakao.s2graph.core.mysqls.LabelMeta

http://git-wip-us.apache.org/repos/asf/incubator-s2graph/blob/8c04784a/s2core/src/test/scala/com/kakao/s2graph/core/GraphTest.scala
----------------------------------------------------------------------
diff --git a/s2core/src/test/scala/com/kakao/s2graph/core/GraphTest.scala 
b/s2core/src/test/scala/com/kakao/s2graph/core/GraphTest.scala
index 9a58bd0..4d41b00 100644
--- a/s2core/src/test/scala/com/kakao/s2graph/core/GraphTest.scala
+++ b/s2core/src/test/scala/com/kakao/s2graph/core/GraphTest.scala
@@ -1,3 +1,22 @@
+/*
+ * 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 com.kakao.s2graph.core
 
 /**

http://git-wip-us.apache.org/repos/asf/incubator-s2graph/blob/8c04784a/s2core/src/test/scala/com/kakao/s2graph/core/JsonParserTest.scala
----------------------------------------------------------------------
diff --git a/s2core/src/test/scala/com/kakao/s2graph/core/JsonParserTest.scala 
b/s2core/src/test/scala/com/kakao/s2graph/core/JsonParserTest.scala
index 84349cb..18d6a04 100644
--- a/s2core/src/test/scala/com/kakao/s2graph/core/JsonParserTest.scala
+++ b/s2core/src/test/scala/com/kakao/s2graph/core/JsonParserTest.scala
@@ -1,3 +1,22 @@
+/*
+ * 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 com.kakao.s2graph.core
 
 import com.kakao.s2graph.core.types.{InnerValLike, InnerVal}

http://git-wip-us.apache.org/repos/asf/incubator-s2graph/blob/8c04784a/s2core/src/test/scala/com/kakao/s2graph/core/ManagementTest.scala
----------------------------------------------------------------------
diff --git a/s2core/src/test/scala/com/kakao/s2graph/core/ManagementTest.scala 
b/s2core/src/test/scala/com/kakao/s2graph/core/ManagementTest.scala
index e5b3e51..03f2352 100644
--- a/s2core/src/test/scala/com/kakao/s2graph/core/ManagementTest.scala
+++ b/s2core/src/test/scala/com/kakao/s2graph/core/ManagementTest.scala
@@ -1,3 +1,22 @@
+/*
+ * 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 com.kakao.s2graph.core
 //import com.kakao.s2graph.core.Graph
 //import com.kakao.s2graph.core.models.{HLabel, HService, HServiceColumn, 
HBaseModel}

http://git-wip-us.apache.org/repos/asf/incubator-s2graph/blob/8c04784a/s2core/src/test/scala/com/kakao/s2graph/core/OrderingUtilTest.scala
----------------------------------------------------------------------
diff --git 
a/s2core/src/test/scala/com/kakao/s2graph/core/OrderingUtilTest.scala 
b/s2core/src/test/scala/com/kakao/s2graph/core/OrderingUtilTest.scala
index f6f1520..2f405c8 100644
--- a/s2core/src/test/scala/com/kakao/s2graph/core/OrderingUtilTest.scala
+++ b/s2core/src/test/scala/com/kakao/s2graph/core/OrderingUtilTest.scala
@@ -1,3 +1,22 @@
+/*
+ * 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 com.kakao.s2graph.core
 
 import com.kakao.s2graph.core.OrderingUtil.MultiValueOrdering

http://git-wip-us.apache.org/repos/asf/incubator-s2graph/blob/8c04784a/s2core/src/test/scala/com/kakao/s2graph/core/QueryParamTest.scala
----------------------------------------------------------------------
diff --git a/s2core/src/test/scala/com/kakao/s2graph/core/QueryParamTest.scala 
b/s2core/src/test/scala/com/kakao/s2graph/core/QueryParamTest.scala
index 374293e..147ffe3 100644
--- a/s2core/src/test/scala/com/kakao/s2graph/core/QueryParamTest.scala
+++ b/s2core/src/test/scala/com/kakao/s2graph/core/QueryParamTest.scala
@@ -1,3 +1,22 @@
+/*
+ * 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 com.kakao.s2graph.core
 
 import com.kakao.s2graph.core.types.LabelWithDirection

http://git-wip-us.apache.org/repos/asf/incubator-s2graph/blob/8c04784a/s2core/src/test/scala/com/kakao/s2graph/core/TestCommon.scala
----------------------------------------------------------------------
diff --git a/s2core/src/test/scala/com/kakao/s2graph/core/TestCommon.scala 
b/s2core/src/test/scala/com/kakao/s2graph/core/TestCommon.scala
index fae3d06..9201f95 100644
--- a/s2core/src/test/scala/com/kakao/s2graph/core/TestCommon.scala
+++ b/s2core/src/test/scala/com/kakao/s2graph/core/TestCommon.scala
@@ -1,3 +1,22 @@
+/*
+ * 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 com.kakao.s2graph.core
 
  import com.kakao.s2graph.core.mysqls._

http://git-wip-us.apache.org/repos/asf/incubator-s2graph/blob/8c04784a/s2core/src/test/scala/com/kakao/s2graph/core/TestCommonWithModels.scala
----------------------------------------------------------------------
diff --git 
a/s2core/src/test/scala/com/kakao/s2graph/core/TestCommonWithModels.scala 
b/s2core/src/test/scala/com/kakao/s2graph/core/TestCommonWithModels.scala
index fca7dc0..fbf98f8 100644
--- a/s2core/src/test/scala/com/kakao/s2graph/core/TestCommonWithModels.scala
+++ b/s2core/src/test/scala/com/kakao/s2graph/core/TestCommonWithModels.scala
@@ -1,3 +1,22 @@
+/*
+ * 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 com.kakao.s2graph.core
 
 import com.kakao.s2graph.core.Management.JsonModel.{Index, Prop}

http://git-wip-us.apache.org/repos/asf/incubator-s2graph/blob/8c04784a/s2core/src/test/scala/com/kakao/s2graph/core/VertexTest.scala
----------------------------------------------------------------------
diff --git a/s2core/src/test/scala/com/kakao/s2graph/core/VertexTest.scala 
b/s2core/src/test/scala/com/kakao/s2graph/core/VertexTest.scala
index 62b98b5..202b204 100644
--- a/s2core/src/test/scala/com/kakao/s2graph/core/VertexTest.scala
+++ b/s2core/src/test/scala/com/kakao/s2graph/core/VertexTest.scala
@@ -1,3 +1,22 @@
+/*
+ * 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 com.kakao.s2graph.core
 //
 //import com.kakao.s2graph.core.types.{VertexId, InnerVal, InnerValLike}

http://git-wip-us.apache.org/repos/asf/incubator-s2graph/blob/8c04784a/s2core/src/test/scala/com/kakao/s2graph/core/models/ModelTest.scala
----------------------------------------------------------------------
diff --git 
a/s2core/src/test/scala/com/kakao/s2graph/core/models/ModelTest.scala 
b/s2core/src/test/scala/com/kakao/s2graph/core/models/ModelTest.scala
index 478da12..5a308ca 100644
--- a/s2core/src/test/scala/com/kakao/s2graph/core/models/ModelTest.scala
+++ b/s2core/src/test/scala/com/kakao/s2graph/core/models/ModelTest.scala
@@ -1,3 +1,22 @@
+/*
+ * 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 com.kakao.s2graph.core.models
 
 import java.util.concurrent.ExecutorService

http://git-wip-us.apache.org/repos/asf/incubator-s2graph/blob/8c04784a/s2core/src/test/scala/com/kakao/s2graph/core/mysqls/ExperimentSpec.scala
----------------------------------------------------------------------
diff --git 
a/s2core/src/test/scala/com/kakao/s2graph/core/mysqls/ExperimentSpec.scala 
b/s2core/src/test/scala/com/kakao/s2graph/core/mysqls/ExperimentSpec.scala
index 2bc764d..41b1521 100644
--- a/s2core/src/test/scala/com/kakao/s2graph/core/mysqls/ExperimentSpec.scala
+++ b/s2core/src/test/scala/com/kakao/s2graph/core/mysqls/ExperimentSpec.scala
@@ -1,3 +1,22 @@
+/*
+ * 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 com.kakao.s2graph.core.mysqls
 
 import java.util.Properties

http://git-wip-us.apache.org/repos/asf/incubator-s2graph/blob/8c04784a/s2core/src/test/scala/com/kakao/s2graph/core/parsers/WhereParserTest.scala
----------------------------------------------------------------------
diff --git 
a/s2core/src/test/scala/com/kakao/s2graph/core/parsers/WhereParserTest.scala 
b/s2core/src/test/scala/com/kakao/s2graph/core/parsers/WhereParserTest.scala
index 73d0d76..4d11839 100644
--- a/s2core/src/test/scala/com/kakao/s2graph/core/parsers/WhereParserTest.scala
+++ b/s2core/src/test/scala/com/kakao/s2graph/core/parsers/WhereParserTest.scala
@@ -1,3 +1,22 @@
+/*
+ * 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 com.kakao.s2graph.core.parsers
 
 import com.kakao.s2graph.core._

http://git-wip-us.apache.org/repos/asf/incubator-s2graph/blob/8c04784a/s2core/src/test/scala/com/kakao/s2graph/core/storage/hbase/AsynchbaseQueryBuilderTest.scala
----------------------------------------------------------------------
diff --git 
a/s2core/src/test/scala/com/kakao/s2graph/core/storage/hbase/AsynchbaseQueryBuilderTest.scala
 
b/s2core/src/test/scala/com/kakao/s2graph/core/storage/hbase/AsynchbaseQueryBuilderTest.scala
index b404559..002c799 100644
--- 
a/s2core/src/test/scala/com/kakao/s2graph/core/storage/hbase/AsynchbaseQueryBuilderTest.scala
+++ 
b/s2core/src/test/scala/com/kakao/s2graph/core/storage/hbase/AsynchbaseQueryBuilderTest.scala
@@ -1,3 +1,22 @@
+/*
+ * 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 com.kakao.s2graph.core.storage.hbase
 
 import com.kakao.s2graph.core.Graph

http://git-wip-us.apache.org/repos/asf/incubator-s2graph/blob/8c04784a/s2core/src/test/scala/com/kakao/s2graph/core/types/CompositeIdTest.scala
----------------------------------------------------------------------
diff --git 
a/s2core/src/test/scala/com/kakao/s2graph/core/types/CompositeIdTest.scala 
b/s2core/src/test/scala/com/kakao/s2graph/core/types/CompositeIdTest.scala
index d014208..679f7b5 100644
--- a/s2core/src/test/scala/com/kakao/s2graph/core/types/CompositeIdTest.scala
+++ b/s2core/src/test/scala/com/kakao/s2graph/core/types/CompositeIdTest.scala
@@ -1,3 +1,22 @@
+/*
+ * 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 com.kakao.s2graph.core.types
 //
 //import com.kakao.s2graph.core.{TestCommonWithModels, GraphUtil, TestCommon}

http://git-wip-us.apache.org/repos/asf/incubator-s2graph/blob/8c04784a/s2core/src/test/scala/com/kakao/s2graph/core/types/EdgeTypeTest.scala
----------------------------------------------------------------------
diff --git 
a/s2core/src/test/scala/com/kakao/s2graph/core/types/EdgeTypeTest.scala 
b/s2core/src/test/scala/com/kakao/s2graph/core/types/EdgeTypeTest.scala
index cfcedd1..39e2d20 100644
--- a/s2core/src/test/scala/com/kakao/s2graph/core/types/EdgeTypeTest.scala
+++ b/s2core/src/test/scala/com/kakao/s2graph/core/types/EdgeTypeTest.scala
@@ -1,3 +1,22 @@
+/*
+ * 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 com.kakao.s2graph.core.types
 //
 //import com.kakao.s2graph.core.types2._

http://git-wip-us.apache.org/repos/asf/incubator-s2graph/blob/8c04784a/s2core/src/test/scala/com/kakao/s2graph/core/types/InnerValTest.scala
----------------------------------------------------------------------
diff --git 
a/s2core/src/test/scala/com/kakao/s2graph/core/types/InnerValTest.scala 
b/s2core/src/test/scala/com/kakao/s2graph/core/types/InnerValTest.scala
index c0c242b..72ce345 100644
--- a/s2core/src/test/scala/com/kakao/s2graph/core/types/InnerValTest.scala
+++ b/s2core/src/test/scala/com/kakao/s2graph/core/types/InnerValTest.scala
@@ -1,3 +1,22 @@
+/*
+ * 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 com.kakao.s2graph.core.types
 
 import com.kakao.s2graph.core.types._

http://git-wip-us.apache.org/repos/asf/incubator-s2graph/blob/8c04784a/s2core/src/test/scala/com/kakao/s2graph/core/types/SourceVertexIdTest.scala
----------------------------------------------------------------------
diff --git 
a/s2core/src/test/scala/com/kakao/s2graph/core/types/SourceVertexIdTest.scala 
b/s2core/src/test/scala/com/kakao/s2graph/core/types/SourceVertexIdTest.scala
index b77e27b..b35329a 100644
--- 
a/s2core/src/test/scala/com/kakao/s2graph/core/types/SourceVertexIdTest.scala
+++ 
b/s2core/src/test/scala/com/kakao/s2graph/core/types/SourceVertexIdTest.scala
@@ -1,3 +1,22 @@
+/*
+ * 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 com.kakao.s2graph.core.types
 //
 //import com.kakao.s2graph.core.types2._

http://git-wip-us.apache.org/repos/asf/incubator-s2graph/blob/8c04784a/s2core/src/test/scala/com/kakao/s2graph/core/types/TargetVertexIdTest.scala
----------------------------------------------------------------------
diff --git 
a/s2core/src/test/scala/com/kakao/s2graph/core/types/TargetVertexIdTest.scala 
b/s2core/src/test/scala/com/kakao/s2graph/core/types/TargetVertexIdTest.scala
index 845de95..bfd4ddc 100644
--- 
a/s2core/src/test/scala/com/kakao/s2graph/core/types/TargetVertexIdTest.scala
+++ 
b/s2core/src/test/scala/com/kakao/s2graph/core/types/TargetVertexIdTest.scala
@@ -1,3 +1,22 @@
+/*
+ * 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 com.kakao.s2graph.core.types
 //
 //import com.kakao.s2graph.core.types2._

http://git-wip-us.apache.org/repos/asf/incubator-s2graph/blob/8c04784a/s2core/src/test/scala/com/kakao/s2graph/core/types/VertexIdTest.scala
----------------------------------------------------------------------
diff --git 
a/s2core/src/test/scala/com/kakao/s2graph/core/types/VertexIdTest.scala 
b/s2core/src/test/scala/com/kakao/s2graph/core/types/VertexIdTest.scala
index c0d1e59..4dbc172 100644
--- a/s2core/src/test/scala/com/kakao/s2graph/core/types/VertexIdTest.scala
+++ b/s2core/src/test/scala/com/kakao/s2graph/core/types/VertexIdTest.scala
@@ -1,3 +1,22 @@
+/*
+ * 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 com.kakao.s2graph.core.types
 //
 //import com.kakao.s2graph.core.types2.{HBaseType, VertexId, InnerValLike, 
InnerVal}

http://git-wip-us.apache.org/repos/asf/incubator-s2graph/blob/8c04784a/s2core/src/test/scala/com/kakao/s2graph/core/types/VertexTypeTest.scala
----------------------------------------------------------------------
diff --git 
a/s2core/src/test/scala/com/kakao/s2graph/core/types/VertexTypeTest.scala 
b/s2core/src/test/scala/com/kakao/s2graph/core/types/VertexTypeTest.scala
index 284601b..0ccc206 100644
--- a/s2core/src/test/scala/com/kakao/s2graph/core/types/VertexTypeTest.scala
+++ b/s2core/src/test/scala/com/kakao/s2graph/core/types/VertexTypeTest.scala
@@ -1,3 +1,22 @@
+/*
+ * 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 com.kakao.s2graph.core.types
 //
 //import com.kakao.s2graph.core.TestCommon

http://git-wip-us.apache.org/repos/asf/incubator-s2graph/blob/8c04784a/s2counter_core/src/main/scala/s2/config/ConfigFunctions.scala
----------------------------------------------------------------------
diff --git a/s2counter_core/src/main/scala/s2/config/ConfigFunctions.scala 
b/s2counter_core/src/main/scala/s2/config/ConfigFunctions.scala
index 20d07ce..db698d1 100644
--- a/s2counter_core/src/main/scala/s2/config/ConfigFunctions.scala
+++ b/s2counter_core/src/main/scala/s2/config/ConfigFunctions.scala
@@ -1,3 +1,22 @@
+/*
+ * 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 s2.config
 
 import com.typesafe.config.Config

http://git-wip-us.apache.org/repos/asf/incubator-s2graph/blob/8c04784a/s2counter_core/src/main/scala/s2/config/S2CounterConfig.scala
----------------------------------------------------------------------
diff --git a/s2counter_core/src/main/scala/s2/config/S2CounterConfig.scala 
b/s2counter_core/src/main/scala/s2/config/S2CounterConfig.scala
index d0db73c..0cc5019 100644
--- a/s2counter_core/src/main/scala/s2/config/S2CounterConfig.scala
+++ b/s2counter_core/src/main/scala/s2/config/S2CounterConfig.scala
@@ -1,3 +1,22 @@
+/*
+ * 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 s2.config
 
 import com.typesafe.config.Config

http://git-wip-us.apache.org/repos/asf/incubator-s2graph/blob/8c04784a/s2counter_core/src/main/scala/s2/counter/TrxLog.scala
----------------------------------------------------------------------
diff --git a/s2counter_core/src/main/scala/s2/counter/TrxLog.scala 
b/s2counter_core/src/main/scala/s2/counter/TrxLog.scala
index c1db356..d70cf3e 100644
--- a/s2counter_core/src/main/scala/s2/counter/TrxLog.scala
+++ b/s2counter_core/src/main/scala/s2/counter/TrxLog.scala
@@ -1,3 +1,22 @@
+/*
+ * 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 s2.counter
 
 import play.api.libs.json.Json

http://git-wip-us.apache.org/repos/asf/incubator-s2graph/blob/8c04784a/s2counter_core/src/main/scala/s2/counter/core/BytesUtil.scala
----------------------------------------------------------------------
diff --git a/s2counter_core/src/main/scala/s2/counter/core/BytesUtil.scala 
b/s2counter_core/src/main/scala/s2/counter/core/BytesUtil.scala
index 1d945ed..1a77769 100644
--- a/s2counter_core/src/main/scala/s2/counter/core/BytesUtil.scala
+++ b/s2counter_core/src/main/scala/s2/counter/core/BytesUtil.scala
@@ -1,3 +1,22 @@
+/*
+ * 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 s2.counter.core
 
 /**

http://git-wip-us.apache.org/repos/asf/incubator-s2graph/blob/8c04784a/s2counter_core/src/main/scala/s2/counter/core/ExactCounter.scala
----------------------------------------------------------------------
diff --git a/s2counter_core/src/main/scala/s2/counter/core/ExactCounter.scala 
b/s2counter_core/src/main/scala/s2/counter/core/ExactCounter.scala
index 7f36681..fa5e4b0 100644
--- a/s2counter_core/src/main/scala/s2/counter/core/ExactCounter.scala
+++ b/s2counter_core/src/main/scala/s2/counter/core/ExactCounter.scala
@@ -1,3 +1,22 @@
+/*
+ * 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 s2.counter.core
 
 import com.typesafe.config.Config

http://git-wip-us.apache.org/repos/asf/incubator-s2graph/blob/8c04784a/s2counter_core/src/main/scala/s2/counter/core/ExactKey.scala
----------------------------------------------------------------------
diff --git a/s2counter_core/src/main/scala/s2/counter/core/ExactKey.scala 
b/s2counter_core/src/main/scala/s2/counter/core/ExactKey.scala
index 63aca51..2516929 100644
--- a/s2counter_core/src/main/scala/s2/counter/core/ExactKey.scala
+++ b/s2counter_core/src/main/scala/s2/counter/core/ExactKey.scala
@@ -1,3 +1,22 @@
+/*
+ * 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 s2.counter.core
 
 import s2.models.Counter

http://git-wip-us.apache.org/repos/asf/incubator-s2graph/blob/8c04784a/s2counter_core/src/main/scala/s2/counter/core/ExactQualifier.scala
----------------------------------------------------------------------
diff --git a/s2counter_core/src/main/scala/s2/counter/core/ExactQualifier.scala 
b/s2counter_core/src/main/scala/s2/counter/core/ExactQualifier.scala
index f4ac708..73945d9 100644
--- a/s2counter_core/src/main/scala/s2/counter/core/ExactQualifier.scala
+++ b/s2counter_core/src/main/scala/s2/counter/core/ExactQualifier.scala
@@ -1,3 +1,22 @@
+/*
+ * 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 s2.counter.core
 
 import java.util

http://git-wip-us.apache.org/repos/asf/incubator-s2graph/blob/8c04784a/s2counter_core/src/main/scala/s2/counter/core/ExactStorage.scala
----------------------------------------------------------------------
diff --git a/s2counter_core/src/main/scala/s2/counter/core/ExactStorage.scala 
b/s2counter_core/src/main/scala/s2/counter/core/ExactStorage.scala
index 6a81f41..592b0be 100644
--- a/s2counter_core/src/main/scala/s2/counter/core/ExactStorage.scala
+++ b/s2counter_core/src/main/scala/s2/counter/core/ExactStorage.scala
@@ -1,3 +1,22 @@
+/*
+ * 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 s2.counter.core
 
 import s2.counter.core.ExactCounter.ExactValueMap

http://git-wip-us.apache.org/repos/asf/incubator-s2graph/blob/8c04784a/s2counter_core/src/main/scala/s2/counter/core/RankingCounter.scala
----------------------------------------------------------------------
diff --git a/s2counter_core/src/main/scala/s2/counter/core/RankingCounter.scala 
b/s2counter_core/src/main/scala/s2/counter/core/RankingCounter.scala
index b98ef30..862b3ff 100644
--- a/s2counter_core/src/main/scala/s2/counter/core/RankingCounter.scala
+++ b/s2counter_core/src/main/scala/s2/counter/core/RankingCounter.scala
@@ -1,3 +1,22 @@
+/*
+ * 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 s2.counter.core
 
 import java.util.concurrent.TimeUnit
@@ -102,4 +121,4 @@ class RankingCounter(config: Config, storage: 
RankingStorage) {
 
 object RankingCounter {
   type RankingValueMap = Map[String, RankingValue]
-}
\ No newline at end of file
+}

http://git-wip-us.apache.org/repos/asf/incubator-s2graph/blob/8c04784a/s2counter_core/src/main/scala/s2/counter/core/RankingKey.scala
----------------------------------------------------------------------
diff --git a/s2counter_core/src/main/scala/s2/counter/core/RankingKey.scala 
b/s2counter_core/src/main/scala/s2/counter/core/RankingKey.scala
index 7d70625..269b6f9 100644
--- a/s2counter_core/src/main/scala/s2/counter/core/RankingKey.scala
+++ b/s2counter_core/src/main/scala/s2/counter/core/RankingKey.scala
@@ -1,3 +1,22 @@
+/*
+ * 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 s2.counter.core
 
 /**

http://git-wip-us.apache.org/repos/asf/incubator-s2graph/blob/8c04784a/s2counter_core/src/main/scala/s2/counter/core/RankingResult.scala
----------------------------------------------------------------------
diff --git a/s2counter_core/src/main/scala/s2/counter/core/RankingResult.scala 
b/s2counter_core/src/main/scala/s2/counter/core/RankingResult.scala
index 42fae3e..4f45a25 100644
--- a/s2counter_core/src/main/scala/s2/counter/core/RankingResult.scala
+++ b/s2counter_core/src/main/scala/s2/counter/core/RankingResult.scala
@@ -1,3 +1,22 @@
+/*
+ * 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 s2.counter.core
 
 /**

http://git-wip-us.apache.org/repos/asf/incubator-s2graph/blob/8c04784a/s2counter_core/src/main/scala/s2/counter/core/RankingStorage.scala
----------------------------------------------------------------------
diff --git a/s2counter_core/src/main/scala/s2/counter/core/RankingStorage.scala 
b/s2counter_core/src/main/scala/s2/counter/core/RankingStorage.scala
index b643bd8..fb11f72 100644
--- a/s2counter_core/src/main/scala/s2/counter/core/RankingStorage.scala
+++ b/s2counter_core/src/main/scala/s2/counter/core/RankingStorage.scala
@@ -1,3 +1,22 @@
+/*
+ * 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 s2.counter.core
 
 import s2.counter.core.RankingCounter.RankingValueMap

http://git-wip-us.apache.org/repos/asf/incubator-s2graph/blob/8c04784a/s2counter_core/src/main/scala/s2/counter/core/RankingValue.scala
----------------------------------------------------------------------
diff --git a/s2counter_core/src/main/scala/s2/counter/core/RankingValue.scala 
b/s2counter_core/src/main/scala/s2/counter/core/RankingValue.scala
index 4b67633..835206c 100644
--- a/s2counter_core/src/main/scala/s2/counter/core/RankingValue.scala
+++ b/s2counter_core/src/main/scala/s2/counter/core/RankingValue.scala
@@ -1,3 +1,22 @@
+/*
+ * 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 s2.counter.core
 
 /**

http://git-wip-us.apache.org/repos/asf/incubator-s2graph/blob/8c04784a/s2counter_core/src/main/scala/s2/counter/core/RateRankingValue.scala
----------------------------------------------------------------------
diff --git 
a/s2counter_core/src/main/scala/s2/counter/core/RateRankingValue.scala 
b/s2counter_core/src/main/scala/s2/counter/core/RateRankingValue.scala
index eca3abc..21f4d1d 100644
--- a/s2counter_core/src/main/scala/s2/counter/core/RateRankingValue.scala
+++ b/s2counter_core/src/main/scala/s2/counter/core/RateRankingValue.scala
@@ -1,3 +1,22 @@
+/*
+ * 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 s2.counter.core
 
 /**


Reply via email to