bharatviswa504 commented on a change in pull request #804: HDDS-1496. Support
partial chunk reads and checksum verification
URL: https://github.com/apache/hadoop/pull/804#discussion_r287052394
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File path:
hadoop-ozone/client/src/main/java/org/apache/hadoop/ozone/client/io/KeyInputStream.java
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@@ -53,58 +46,77 @@
private static final int EOF = -1;
- private final ArrayList<ChunkInputStreamEntry> streamEntries;
- // streamOffset[i] stores the offset at which blockInputStream i stores
- // data in the key
- private long[] streamOffset = null;
- private int currentStreamIndex;
+ private String key;
private long length = 0;
private boolean closed = false;
- private String key;
- public KeyInputStream() {
- streamEntries = new ArrayList<>();
- currentStreamIndex = 0;
- }
+ // List of BlockInputStreams, one for each block in the key
+ private final List<BlockInputStream> blockStreams;
- @VisibleForTesting
- public synchronized int getCurrentStreamIndex() {
- return currentStreamIndex;
- }
+ // blockOffsets[i] stores the index of the first data byte in
+ // blockStream i w.r.t the key data.
+ // For example, let’s say the block size is 200 bytes and block[0] stores
+ // data from indices 0 - 199, block[1] from indices 200 - 399 and so on.
Review comment:
NIT: blockStream[1]
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