jainankitk commented on code in PR #14397:
URL: https://github.com/apache/lucene/pull/14397#discussion_r2021748068
##########
lucene/core/src/java/org/apache/lucene/codecs/lucene90/LZ4WithPresetDictCompressionMode.java:
##########
@@ -144,10 +148,85 @@ public void decompress(DataInput in, int originalLength,
int offset, int length,
assert bytes.isValid();
}
+ @Override
+ public void decompress(
+ IndexInput in, int originalLength, int offset, int length, BytesRef
bytes)
+ throws IOException {
+ assert offset + length <= originalLength;
+
+ if (length == 0) {
+ bytes.length = 0;
+ return;
+ }
+
+ final int dictLength = in.readVInt();
+ final int blockLength = in.readVInt();
+
+ final int numBlocks = readCompressedLengths(in, originalLength,
dictLength, blockLength);
+
+ buffer = ArrayUtil.grow(buffer, dictLength + blockLength);
+ long startPointer = in.getFilePointer();
+ bytes.length = 0;
+ if (cachedDictFilPointer == startPointer) {
+ assert cachedDictLength == dictLength && dictEndFilePointer > 0;
+ in.seek(dictEndFilePointer);
Review Comment:
Yes, looks so much cleaner now. Thanks for the refactoring!
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