[beam] branch master updated: Revert "[BEAM-5987] Remove @Nullable annotation from SideInputReader.get()"

[ie...@apache.org]

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iemejia pushed a commit to branch master
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The following commit(s) were added to refs/heads/master by this push:
     new 7bc0a8c  Revert "[BEAM-5987] Remove @Nullable annotation from SideInputReader.get()"
7bc0a8c is described below

commit 7bc0a8c68dc9d429c9ea3a5244ef23b0772c2658
Author: Ismaël Mejía <ie...@gmail.com>
AuthorDate: Fri Feb 8 23:58:46 2019 +0100

    Revert "[BEAM-5987] Remove @Nullable annotation from SideInputReader.get()"
    
    This reverts commit 72627eb9f0b556574c23ceea06b3547d96c4107d.
---
 .../src/main/java/org/apache/beam/runners/core/SideInputReader.java     | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/runners/core-java/src/main/java/org/apache/beam/runners/core/SideInputReader.java b/runners/core-java/src/main/java/org/apache/beam/runners/core/SideInputReader.java
index efc5cc4..7210add 100644
--- a/runners/core-java/src/main/java/org/apache/beam/runners/core/SideInputReader.java
+++ b/runners/core-java/src/main/java/org/apache/beam/runners/core/SideInputReader.java
@@ -17,6 +17,7 @@
  */
 package org.apache.beam.runners.core;
 
+import javax.annotation.Nullable;
 import org.apache.beam.sdk.transforms.windowing.BoundedWindow;
 import org.apache.beam.sdk.values.PCollectionView;
 
@@ -31,6 +32,7 @@ public interface SideInputReader {
    * <p>It is valid for a side input to be {@code null}. It is <i>not</i> valid for this to return
    * {@code null} for any other reason.
    */
+  @Nullable
   <T> T get(PCollectionView<T> view, BoundedWindow window);
 
   /** Returns true if the given {@link PCollectionView} is valid for this reader. */