sahilTakiar commented on a change in pull request #597: HDFS-3246: pRead
equivalent for direct read path
URL: https://github.com/apache/hadoop/pull/597#discussion_r273752162
##########
File path:
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/crypto/CryptoInputStream.java
##########
@@ -336,58 +338,156 @@ public int read(long position, byte[] buffer, int
offset, int length)
}
return n;
- } catch (ClassCastException e) {
+ } else {
throw new UnsupportedOperationException("This stream does not support " +
"positioned read.");
}
}
+
+ /**
+ * Positioned read using {@link ByteBuffer}s. This method is thread-safe.
+ */
+ @Override
+ public int read(long position, final ByteBuffer buf)
+ throws IOException {
+ checkStream();
+ if (in instanceof ByteBufferPositionedReadable) {
Review comment:
Done
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