Example usage for org.apache.hadoop.fs FSDataOutputStream hsync

List of usage examples for org.apache.hadoop.fs FSDataOutputStream hsync

Introduction

In this page you can find the example usage for org.apache.hadoop.fs FSDataOutputStream hsync.

Prototype

@Override 
    public void hsync() throws IOException 

Source Link

Usage

From source file:org.kitesdk.data.spi.filesystem.AvroAppender.java

License:Apache License

@Override
public void sync() throws IOException {
    flush();
    Hadoop.FSDataOutputStream.hsync.invoke(out);
}

From source file:org.kitesdk.data.spi.filesystem.CSVAppender.java

License:Apache License

@Override
public void sync() throws IOException {
    flush();
    Hadoop.FSDataOutputStream.hsync.invoke(outgoing);
}

From source file:org.mule.modules.hdfs.HDFSConnector.java

License:Open Source License

/**
 * Write the current payload to the designated path, either creating a new file or appending to an existing one.
 *
 * @param path/*w w w  .ja  v a2 s  . co m*/
 *            the path of the file to write to.
 * @param permission
 *            the file system permission to use if a new file is created, either in octal or symbolic format (umask).
 * @param overwrite
 *            if a pre-existing file should be overwritten with the new content.
 * @param bufferSize
 *            the buffer size to use when appending to the file.
 * @param replication
 *            block replication for the file.
 * @param blockSize
 *            the buffer size to use when appending to the file.
 * @param ownerUserName
 *            the username owner of the file.
 * @param ownerGroupName
 *            the group owner of the file.
 * @param payload
 *            the payload to write to the file.
 * @throws HDFSConnectorException
 *             if any issue occurs during the execution.
 */
@Processor(friendlyName = "Write to path")
public void write(final String path, // NOSONAR
        @Default("700") final String permission, @Default("true") final boolean overwrite,
        @Default("4096") final int bufferSize, @Default("1") final int replication,
        @Default("1048576") final long blockSize, @Optional final String ownerUserName,
        @Optional final String ownerGroupName, @Default("#[payload]") final InputStream payload)
        throws HDFSConnectorException {
    try {
        runHdfsPathAction(path, new VoidHdfsPathAction() {

            public void run(final Path hdfsPath) throws Exception { // NOSONAR
                final FSDataOutputStream fsDataOutputStream = fileSystem.create(hdfsPath,
                        getFileSystemPermission(permission), overwrite, bufferSize, (short) replication,
                        blockSize, null);
                IOUtils.copyLarge(payload, fsDataOutputStream);
                fsDataOutputStream.hsync();
                IOUtils.closeQuietly(fsDataOutputStream);

                if ((isNotBlank(ownerUserName)) || (isNotBlank(ownerGroupName))) {
                    fileSystem.setOwner(hdfsPath, ownerUserName, ownerGroupName);
                }
            }
        });
    } catch (Exception e) {
        throw new HDFSConnectorException(e);
    }
}