viirya commented on a change in pull request #2350:
URL: https://github.com/apache/hadoop/pull/2350#discussion_r504441816
##########
File path:
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/io/compress/lz4/Lz4Decompressor.java
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@@ -272,7 +269,19 @@ public synchronized void end() {
// do nothing
}
- private native static void initIDs();
-
- private native int decompressBytesDirect();
+ private int decompressDirectBuf() {
+ if (compressedDirectBufLen == 0) {
+ return 0;
+ } else {
+ // Set the position and limit of `compressedDirectBuf` for reading
+ compressedDirectBuf.limit(compressedDirectBufLen).position(0);
+ lz4Decompressor.decompress((ByteBuffer) compressedDirectBuf,
+ (ByteBuffer) uncompressedDirectBuf);
+ compressedDirectBufLen = 0;
+ compressedDirectBuf.limit(compressedDirectBuf.capacity()).position(0);
Review comment:
sure.
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