[GitHub] [hadoop] steveloughran commented on a change in pull request #1791: HADOOP-16785: wasb to raise IOE if write() invoked on a closed stream

[GitBox <gi...@apache.org>]

steveloughran commented on a change in pull request #1791: HADOOP-16785: wasb to raise IOE if write() invoked on a closed stream
URL: https://github.com/apache/hadoop/pull/1791#discussion_r363444377
 
 

 ##########
 File path: hadoop-tools/hadoop-azure/src/main/java/org/apache/hadoop/fs/azure/NativeAzureFileSystem.java
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 @@ -1198,6 +1201,17 @@ public void setEncodedKey(String anEncodedKey) {
     private void restoreKey() throws IOException {
       store.rename(getEncodedKey(), getKey());
     }
+
+    /**
+     * Check for the stream being open.
+     * @throws IOException if the stream is closed.
+     */
+    private void checkOpen() throws IOException {
 
 Review comment:
   yes, some bits of code do call flush() after its closed, so its safest to no-op it.

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