Examples with CompleteFileEntry alluxio.proto.journal.File.CompleteFileEntry used on opensource projects

Example 1 with CompleteFileEntry

use of alluxio.proto.journal.File.CompleteFileEntry in project alluxio by Alluxio.

the class FileSystemMaster method completeFileAndJournal.

/**
   * Completes a file. After a file is completed, it cannot be written to.
   * <p>
   * Writes to the journal.
   *
   * @param inodePath the {@link LockedInodePath} to complete
   * @param options the method options
   * @param journalContext the journal context
   * @throws InvalidPathException if an invalid path is encountered
   * @throws FileDoesNotExistException if the file does not exist
   * @throws BlockInfoException if a block information exception is encountered
   * @throws FileAlreadyCompletedException if the file is already completed
   * @throws InvalidFileSizeException if an invalid file size is encountered
   */
private void completeFileAndJournal(LockedInodePath inodePath, CompleteFileOptions options, JournalContext journalContext) throws InvalidPathException, FileDoesNotExistException, BlockInfoException, FileAlreadyCompletedException, InvalidFileSizeException {
    Inode<?> inode = inodePath.getInode();
    if (!inode.isFile()) {
        throw new FileDoesNotExistException(ExceptionMessage.PATH_MUST_BE_FILE.getMessage(inodePath.getUri()));
    }
    InodeFile fileInode = (InodeFile) inode;
    List<Long> blockIdList = fileInode.getBlockIds();
    List<BlockInfo> blockInfoList = mBlockMaster.getBlockInfoList(blockIdList);
    if (!fileInode.isPersisted() && blockInfoList.size() != blockIdList.size()) {
        throw new BlockInfoException("Cannot complete a file without all the blocks committed");
    }
    // Iterate over all file blocks committed to Alluxio, computing the length and verify that all
    // the blocks (except the last one) is the same size as the file block size.
    long inMemoryLength = 0;
    long fileBlockSize = fileInode.getBlockSizeBytes();
    for (int i = 0; i < blockInfoList.size(); i++) {
        BlockInfo blockInfo = blockInfoList.get(i);
        inMemoryLength += blockInfo.getLength();
        if (i < blockInfoList.size() - 1 && blockInfo.getLength() != fileBlockSize) {
            throw new BlockInfoException("Block index " + i + " has a block size smaller than the file block size (" + fileInode.getBlockSizeBytes() + ")");
        }
    }
    // If the file is persisted, its length is determined by UFS. Otherwise, its length is
    // determined by its memory footprint.
    long length = fileInode.isPersisted() ? options.getUfsLength() : inMemoryLength;
    completeFileInternal(fileInode.getBlockIds(), inodePath, length, options.getOperationTimeMs());
    CompleteFileEntry completeFileEntry = CompleteFileEntry.newBuilder().addAllBlockIds(fileInode.getBlockIds()).setId(inode.getId()).setLength(length).setOpTimeMs(options.getOperationTimeMs()).build();
    appendJournalEntry(JournalEntry.newBuilder().setCompleteFile(completeFileEntry).build(), journalContext);
}