Package org.apache.accumulo.core.file.rfile.bcfile.BCFile.Reader

Examples of org.apache.accumulo.core.file.rfile.bcfile.BCFile.Reader.BlockReader


     */
    public Reader(FSDataInputStream fsdis, long fileLength, Configuration conf) throws IOException {
      readerBCF = new BCFile.Reader(fsdis, fileLength, conf);
     
      // first, read TFile meta
      BlockReader brMeta = readerBCF.getMetaBlock(TFileMeta.BLOCK_NAME);
      try {
        tfileMeta = new TFileMeta(brMeta);
      } finally {
        brMeta.close();
      }
     
      comparator = tfileMeta.getComparator();
      // Set begin and end locations.
      begin = new Location(0, 0);
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    /**
     * Lazily loading the TFile index.
     */
    synchronized void checkTFileDataIndex() throws IOException {
      if (tfileIndex == null) {
        BlockReader brIndex = readerBCF.getMetaBlock(TFileIndex.BLOCK_NAME);
        try {
          tfileIndex = new TFileIndex(readerBCF.getBlockCount(), brIndex, tfileMeta.getComparator());
        } finally {
          brIndex.close();
        }
      }
    }
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     */
    public Reader(FSDataInputStream fsdis, long fileLength, Configuration conf) throws IOException {
      readerBCF = new BCFile.Reader(fsdis, fileLength, conf);

      // first, read TFile meta
      BlockReader brMeta = readerBCF.getMetaBlock(TFileMeta.BLOCK_NAME);
      try {
        tfileMeta = new TFileMeta(brMeta);
      } finally {
        brMeta.close();
      }

      comparator = tfileMeta.getComparator();
      // Set begin and end locations.
      begin = new Location(0, 0);
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     *
     * @throws IOException
     */
    synchronized void checkTFileDataIndex() throws IOException {
      if (tfileIndex == null) {
        BlockReader brIndex = readerBCF.getMetaBlock(TFileIndex.BLOCK_NAME);
        try {
          tfileIndex = new TFileIndex(readerBCF.getBlockCount(), brIndex, tfileMeta.getComparator());
        } finally {
          brIndex.close();
        }
      }
    }
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      }
    }
   
    private BlockRead getBlock(String _lookup, BlockCache cache, BlockLoader loader) throws IOException {
     
      BlockReader _currBlock;
     
      if (cache != null) {
        CacheEntry cb = null;
        cb = cache.getBlock(_lookup);
       
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     */
    public Reader(FSDataInputStream fsdis, long fileLength, Configuration conf) throws IOException {
      readerBCF = new BCFile.Reader(fsdis, fileLength, conf);
     
      // first, read TFile meta
      BlockReader brMeta = readerBCF.getMetaBlock(TFileMeta.BLOCK_NAME);
      try {
        tfileMeta = new TFileMeta(brMeta);
      } finally {
        brMeta.close();
      }
     
      comparator = tfileMeta.getComparator();
      // Set begin and end locations.
      begin = new Location(0, 0);
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     *
     * @throws IOException
     */
    synchronized void checkTFileDataIndex() throws IOException {
      if (tfileIndex == null) {
        BlockReader brIndex = readerBCF.getMetaBlock(TFileIndex.BLOCK_NAME);
        try {
          tfileIndex = new TFileIndex(readerBCF.getBlockCount(), brIndex, tfileMeta.getComparator());
        } finally {
          brIndex.close();
        }
      }
    }
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      }
    }
   
    private BlockRead getBlock(String _lookup, LruBlockCache cache, BlockLoader loader) throws IOException {
     
      BlockReader _currBlock;
     
      if (cache != null) {
        byte b[] = null;
        b = cache.getBlock(_lookup);
       
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     */
    public Reader(FSDataInputStream fsdis, long fileLength, Configuration conf) throws IOException {
      readerBCF = new BCFile.Reader(fsdis, fileLength, conf);
     
      // first, read TFile meta
      BlockReader brMeta = readerBCF.getMetaBlock(TFileMeta.BLOCK_NAME);
      try {
        tfileMeta = new TFileMeta(brMeta);
      } finally {
        brMeta.close();
      }
     
      comparator = tfileMeta.getComparator();
      // Set begin and end locations.
      begin = new Location(0, 0);
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     *
     * @throws IOException
     */
    synchronized void checkTFileDataIndex() throws IOException {
      if (tfileIndex == null) {
        BlockReader brIndex = readerBCF.getMetaBlock(TFileIndex.BLOCK_NAME);
        try {
          tfileIndex = new TFileIndex(readerBCF.getBlockCount(), brIndex, tfileMeta.getComparator());
        } finally {
          brIndex.close();
        }
      }
    }
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