ggershinsky commented on code in PR #968:
URL: https://github.com/apache/parquet-mr/pull/968#discussion_r903697361
##########
parquet-hadoop/src/main/java/org/apache/parquet/hadoop/ParquetFileReader.java:
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@@ -1796,5 +1882,314 @@ public void readAll(SeekableInputStream f,
ChunkListBuilder builder) throws IOEx
public long endPos() {
return offset + length;
}
+
+ @Override
+ public String toString() {
+ return "ConsecutivePartList{" +
+ "offset=" + offset +
+ ", length=" + length +
+ ", chunks=" + chunks +
+ '}';
+ }
}
+
+ /**
+ * Encapsulates the reading of a single page.
+ */
+ public class PageReader implements Closeable {
+ private final Chunk chunk;
+ private final int currentBlock;
+ private final BlockCipher.Decryptor headerBlockDecryptor;
+ private final BlockCipher.Decryptor pageBlockDecryptor;
+ private final byte[] aadPrefix;
+ private final int rowGroupOrdinal;
+ private final int columnOrdinal;
+
+ //state
+ private final LinkedBlockingDeque<Optional<DataPage>> pagesInChunk = new
LinkedBlockingDeque<>();
+ private DictionaryPage dictionaryPage = null;
+ private int pageIndex = 0;
+ private long valuesCountReadSoFar = 0;
+ private int dataPageCountReadSoFar = 0;
+
+ // derived
+ private final PrimitiveType type;
+ private final byte[] dataPageAAD;
+ private final byte[] dictionaryPageAAD;
Review Comment:
probably not needed
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