@Test
public void updateMetadataTest()
throws InvalidPathException, FileAlreadyExistException, TableColumnException,
TableDoesNotExistException, TException {
for (int k = 1; k < Constants.MAX_COLUMNS; k += Constants.MAX_COLUMNS / 5) {
int fileId = mClient.createRawTable("/x/table" + k, 1);
RawTable table = mClient.getRawTable(fileId);
table.updateMetadata(TestUtils.getIncreasingByteBuffer(k % 17));
Assert.assertEquals(TestUtils.getIncreasingByteBuffer(k % 17), table.getMetadata());
table = mClient.getRawTable("/x/table" + k);
Assert.assertEquals(TestUtils.getIncreasingByteBuffer(k % 17), table.getMetadata());
fileId = mClient.createRawTable("/y/tab" + k, 1, TestUtils.getIncreasingByteBuffer(k % 7));
table = mClient.getRawTable(fileId);
table.updateMetadata(TestUtils.getIncreasingByteBuffer(k % 16));
Assert.assertEquals(TestUtils.getIncreasingByteBuffer(k % 16), table.getMetadata());
table = mClient.getRawTable("/y/tab" + k);
Assert.assertEquals(TestUtils.getIncreasingByteBuffer(k % 16), table.getMetadata());
}
}
public static void readPartition()
throws IOException, TableDoesNotExistException, InvalidPathException, TException {
LOG.info("Reading data...");
RawTable rawTable = sTachyonClient.getRawTable(mId);
ByteBuffer metadata = rawTable.getMetadata();
LOG.info("Metadata: ");
LOG.info(metadata.getInt() + " ");
LOG.info(metadata.getInt() + " ");
LOG.info(metadata.getInt() + " ");
for (int column = 0; column < COLS; column++) {
RawColumn rawColumn = rawTable.getRawColumn(column);
TachyonFile tFile = rawColumn.getPartition(0);
ByteBuffer buf = tFile.readByteBuffer();
if (buf == null) {
tFile.recacheData();
}
CommonUtils.printByteBuffer(LOG, tFile.readByteBuffer());
tFile.releaseFileLock();
}
}