diff --git a/src/main/java/teetime/framework/pipe/ConcurrentBlockingIntraThreadPipe.java b/src/main/java/teetime/framework/pipe/ConcurrentBlockingIntraThreadPipe.java
index 635f483a0b9f1d99175202dbd565919a0055cefe..dd12be545ccc22b182415b82ba992439da24f3d5 100644
--- a/src/main/java/teetime/framework/pipe/ConcurrentBlockingIntraThreadPipe.java
+++ b/src/main/java/teetime/framework/pipe/ConcurrentBlockingIntraThreadPipe.java
@@ -1,3 +1,18 @@
+/**
+ * Copyright (C) 2015 TeeTime (http://teetime.sourceforge.net)
+ *
+ * Licensed 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 teetime.framework.pipe;
 
 import java.util.concurrent.ConcurrentLinkedQueue;