Package org.apache.hadoop.fs.s3

Examples of org.apache.hadoop.fs.s3.Block

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    }
    return inode.isFile();
  }

  private INode checkFile(Path path) throws IOException {
    INode inode = store.retrieveINode(makeAbsolute(path));
    if (inode == null) {
      throw new IOException("No such file.");
    }
    if (inode.isDirectory()) {
      throw new IOException("Path " + path + " is a directory.");
    }
    return inode;
  }
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  }

  @Override
  public FileStatus[] listStatus(Path f) throws IOException {
    Path absolutePath = makeAbsolute(f);
    INode inode = store.retrieveINode(absolutePath);
    if (inode == null) {
      throw new FileNotFoundException("File " + f + " does not exist.");
    }
    if (inode.isFile()) {
      return new FileStatus[] {
          new S3FileStatus(f.makeQualified(this), inode)
      };
    }
    ArrayList<FileStatus> ret = new ArrayList<FileStatus>();
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  public FSDataOutputStream create(Path file, FsPermission permission,
                                   boolean overwrite, int bufferSize,
                                   short replication, long blockSize, Progressable progress)
      throws IOException {

    INode inode = store.retrieveINode(makeAbsolute(file));
    if (inode != null) {
      if (overwrite) {
        delete(file, true);
      } else {
        throw new IOException("File already exists: " + file);
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  }

  @Override
  public boolean rename(Path src, Path dst) throws IOException {
    Path absoluteSrc = makeAbsolute(src);
    INode srcINode = store.retrieveINode(absoluteSrc);
    if (srcINode == null) {
      // src path doesn't exist
      return false;
    }
    Path absoluteDst = makeAbsolute(dst);
    INode dstINode = store.retrieveINode(absoluteDst);
    if (dstINode != null && dstINode.isDirectory()) {
      absoluteDst = new Path(absoluteDst, absoluteSrc.getName());
      dstINode = store.retrieveINode(absoluteDst);
    }
    if (dstINode != null) {
      // dst path already exists - can't overwrite
      return false;
    }
    Path dstParent = absoluteDst.getParent();
    if (dstParent != null) {
      INode dstParentINode = store.retrieveINode(dstParent);
      if (dstParentINode == null || dstParentINode.isFile()) {
        // dst parent doesn't exist or is a file
        return false;
      }
    }
    return renameRecursive(absoluteSrc, absoluteDst);
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    }
    return renameRecursive(absoluteSrc, absoluteDst);
  }

  private boolean renameRecursive(Path src, Path dst) throws IOException {
    INode srcINode = store.retrieveINode(src);
    store.storeINode(dst, srcINode);
    store.deleteINode(src);
    if (srcINode.isDirectory()) {
      for (Path oldSrc : store.listDeepSubPaths(src)) {
        INode inode = store.retrieveINode(oldSrc);
        if (inode == null) {
          return false;
        }
        String oldSrcPath = oldSrc.toUri().getPath();
        String srcPath = src.toUri().getPath();
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  }

  @Override
  public boolean delete(Path path, boolean recursive) throws IOException {
    Path absolutePath = makeAbsolute(path);
    INode inode = store.retrieveINode(absolutePath);
    if (inode == null) {
      return false;
    }
    if (inode.isFile()) {
      store.deleteINode(absolutePath);
      for (Block block: inode.getBlocks()) {
        store.deleteBlock(block);
      }
    } else {
      FileStatus[] contents = null;
      try {
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  /**
   * FileStatus for S3 file systems.
   */
  @Override
  public FileStatus getFileStatus(Path f)  throws IOException {
    INode inode = store.retrieveINode(makeAbsolute(f));
    if (inode == null) {
      throw new FileNotFoundException(f + ": No such file or directory.");
    }
    return new S3FileStatus(f.makeQualified(this), inode);
  }
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    }
    return new S3FileStatus(f.makeQualified(this), inode);
  }
  private boolean mkdir(Path path) throws IOException {
    Path absolutePath = makeAbsolute(path);
    INode inode = store.retrieveINode(absolutePath);
    if (inode == null) {
      store.storeINode(absolutePath, INode.DIRECTORY_INODE);
    } else if (inode.isFile()) {
      throw new IOException(String.format(
          "Can't make directory for path %s since it is a file.",
          absolutePath));
    }
    return true;
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  public static final Logger LOG =
      LoggerFactory.getLogger(Jets3tNativeFileSystemStore.class);

  @Override
  public void initialize(URI uri, Configuration conf) throws IOException {
    S3Credentials s3Credentials = new S3Credentials();
    s3Credentials.initialize(uri, conf);
    try {
      AWSCredentials awsCredentials =
        new AWSCredentials(s3Credentials.getAccessKey(),
            s3Credentials.getSecretAccessKey());
      this.s3Service = new RestS3Service(awsCredentials);
    } catch (S3ServiceException e) {
      handleException(e);
    }
    multipartEnabled =
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  private S3Service s3Service;
  private S3Bucket bucket;
 
  public void initialize(URI uri, Configuration conf) throws IOException {
    S3Credentials s3Credentials = new S3Credentials();
    s3Credentials.initialize(uri, conf);
    try {
      AWSCredentials awsCredentials =
        new AWSCredentials(s3Credentials.getAccessKey(),
            s3Credentials.getSecretAccessKey());
      this.s3Service = new RestS3Service(awsCredentials);
    } catch (S3ServiceException e) {
      if (e.getCause() instanceof IOException) {
        throw (IOException) e.getCause();
      }
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