From 7d7baf7d419c873ecb58545c7feaaea25a862c23 Mon Sep 17 00:00:00 2001
From: Eugene Kirpichov <kirpichov@google.com>
Date: Tue, 19 Sep 2017 19:30:45 -0700
Subject: [PATCH] Marks TikaIO as experimental to allow backward-incompatible
 changes

---
 .../src/main/java/org/apache/beam/sdk/io/tika/TikaIO.java    | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/sdks/java/io/tika/src/main/java/org/apache/beam/sdk/io/tika/TikaIO.java b/sdks/java/io/tika/src/main/java/org/apache/beam/sdk/io/tika/TikaIO.java
index 5d6eea7db7c73..4876dcfdb75f8 100644
--- a/sdks/java/io/tika/src/main/java/org/apache/beam/sdk/io/tika/TikaIO.java
+++ b/sdks/java/io/tika/src/main/java/org/apache/beam/sdk/io/tika/TikaIO.java
@@ -21,7 +21,7 @@
 import com.google.auto.value.AutoValue;
 
 import javax.annotation.Nullable;
-
+import org.apache.beam.sdk.annotations.Experimental;
 import org.apache.beam.sdk.coders.Coder;
 import org.apache.beam.sdk.coders.StringUtf8Coder;
 import org.apache.beam.sdk.io.Read.Bounded;
@@ -53,7 +53,10 @@
  * // A simple Read of a local PDF file (only runs locally):
  * PCollection<String> content = p.apply(TikaInput.from("/local/path/to/file.pdf"));
  * }</pre>
+ *
+ * <b>Warning:</b> the API of this IO is likely to change in the next release.
  */
+@Experimental(Experimental.Kind.SOURCE_SINK)
 public class TikaIO {
 
   /**