Package tachyon.client

Examples of tachyon.client.TachyonFile

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      pass = pass && (metadata.getInt() == k);
    }

    for (int column = 0; column < COLS; column ++) {
      RawColumn rawColumn = rawTable.getRawColumn(column);
      TachyonFile tFile = rawColumn.getPartition(0);

      TachyonByteBuffer buf = tFile.readByteBuffer(0);
      if (buf == null) {
        tFile.recache();
        buf = tFile.readByteBuffer(0);
      }
      buf.mData.order(ByteOrder.nativeOrder());
      for (int k = 0; k < mDataLength; k ++) {
        pass = pass && (buf.mData.getInt() == k);
      }
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      for (int k = 0; k < mDataLength; k ++) {
        buf.putInt(k);
      }
      buf.flip();

      TachyonFile tFile = rawColumn.getPartition(0);
      OutStream os = tFile.getOutStream(mWriteType);
      os.write(buf.array());
      os.close();
    }
  }
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      throws FileDoesNotExistException, InvalidPathException, IOException {
    String masterAddress =
        Constants.HEADER + mMasterInfo.getMasterAddress().getHostName() + ":"
            + mMasterInfo.getMasterAddress().getPort();
    TachyonFS tachyonClient = TachyonFS.get(new TachyonURI(masterAddress));
    TachyonFile tFile = tachyonClient.getFile(path);
    String fileData = null;
    if (tFile == null) {
      throw new FileDoesNotExistException(path.toString());
    }
    if (tFile.isComplete()) {
      InStream is = tFile.getInStream(ReadType.NO_CACHE);
      try {
        int len = (int) Math.min(5 * Constants.KB, tFile.length() - offset);
        byte[] data = new byte[len];
        long skipped = is.skip(offset);
        if (skipped < 0) {
          // nothing was skipped
          fileData = "Unable to traverse to offset; is file empty?";
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    Assert.assertEquals(col, table.getColumns());

    for (int k = 0; k < col; k ++) {
      RawColumn rawCol = table.getRawColumn(k);
      rawCol.createPartition(0);
      TachyonFile file = rawCol.getPartition(0);
      OutStream outStream = file.getOutStream(WriteType.MUST_CACHE);
      outStream.write(TestUtils.getIncreasingByteArray(10));
      outStream.close();
    }

    for (int k = 0; k < col; k ++) {
      RawColumn rawCol = table.getRawColumn(k);
      TachyonFile file = rawCol.getPartition(0, true);
      TachyonByteBuffer buf = file.readByteBuffer(0);
      Assert.assertEquals(TestUtils.getIncreasingByteBuffer(10), buf.mData);
      buf.close();
    }

    for (int k = 0; k < col; k ++) {
      RawColumn rawCol = table.getRawColumn(k);
      TachyonFile file = rawCol.getPartition(0, true);
      TachyonByteBuffer buf = file.readByteBuffer(0);
      Assert.assertEquals(TestUtils.getIncreasingByteBuffer(10), buf.mData);
      buf.close();
    }
  }
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    for (int col = 0; col < CommonConf.get().MAX_COLUMNS / 10; col ++) {
      RawColumn column = table.getRawColumn(col);
      for (int pid = 0; pid < 5; pid ++) {
        Assert.assertTrue(column.createPartition(pid));
        TachyonFile file = column.getPartition(pid);
        Assert.assertEquals("/table" + TachyonURI.SEPARATOR + MasterInfo.COL + col
            + TachyonURI.SEPARATOR + pid, file.getPath());
      }
      Assert.assertEquals(5, column.partitions());
    }
  }
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      HttpServletResponse response) throws FileDoesNotExistException, IOException {
    String masterAddress =
        Constants.HEADER + mMasterInfo.getMasterAddress().getHostName() + ":"
            + mMasterInfo.getMasterAddress().getPort();
    TachyonFS tachyonClient = TachyonFS.get(new TachyonURI(masterAddress));
    TachyonFile tFile = tachyonClient.getFile(path);
    if (tFile == null) {
      throw new FileDoesNotExistException(path.toString());
    }
    long len = tFile.length();
    String fileName = path.getName();
    response.setContentType("application/octet-stream");
    if (len <= Integer.MAX_VALUE) {
      response.setContentLength((int) len);
    } else {
      response.addHeader("Content-Length", Long.toString(len));
    }
    response.addHeader("Content-Disposition", "attachment;filename=" + fileName);

    InStream is = null;
    ServletOutputStream out = null;
    try {
      is = tFile.getInStream(ReadType.NO_CACHE);
      out = response.getOutputStream();
      ByteStreams.copy(is, out);
    } finally {
      if (out != null) {
        out.flush();
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   */
  @Test
  public void AddBlockTest() throws Exception {
    TachyonURI uri = new TachyonURI("/xyz");
    mTfs.createFile(uri, 64);
    TachyonFile file = mTfs.getFile(uri);
    OutputStream os = file.getOutStream(WriteType.MUST_CACHE);
    for (int k = 0; k < 1000; k ++) {
      os.write(k);
    }
    os.close();
    ClientFileInfo fInfo = mLocalTachyonCluster.getMasterInfo().getClientFileInfo(uri);
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Related Classes of tachyon.client.TachyonFile

  • com.google.common.io.Closer
  • tachyon.client.table.RawColumnTest
  • tachyon.client.table.RawTableTest
  • tachyon.command.TFsShell
  • tachyon.command.TFsShellTest
  • tachyon.examples.BasicCheckpoint
  • tachyon.examples.BasicNonByteBufferOperations
  • tachyon.examples.BasicOperations
  • tachyon.examples.BasicRawTableOperations
  • tachyon.examples.Performance$TachyonReadWorker
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