Example usage for org.apache.hadoop.fs FileSystem setWorkingDirectory

Introduction

In this page you can find the example usage for org.apache.hadoop.fs FileSystem setWorkingDirectory.

Prototype

public abstract void setWorkingDirectory(Path new_dir);

Source Link

Document

Set the current working directory for the given FileSystem.

Usage

From source file:org.trustedanalytics.samples.services.HdfsService.java

License:Apache License

/**
 * Setup FileSystem working directory for FileSystem object.
 *
 * @param fs FileSystem object will be modified so specific directory
 *           with access rights will be set as working directory
 *
 * @return Path to working directory specifed by hdfs-shared instance
 *
 * @throws IOException io exception/*from   ww  w  . j  a v a2 s .  co  m*/
 */
private Path setupWorkingDirectory(FileSystem fs) throws IOException {
    AppConfiguration appEnvConf = Configurations.newInstanceFromEnv();
    ServiceInstanceConfiguration hdfsConf = appEnvConf.getServiceConfig(ServiceType.HDFS_TYPE);

    // Fetching home directory URI from application environment - ServiceType.HDFS_TYPE
    // the URI is specific for hdfs-shared instance

    Path path = new Path(hdfsConf.getProperty(Property.HDFS_URI).get());

    // We will have read/write access to directory described in path variable
    fs.setWorkingDirectory(path);

    // returning a path just in case someone want to use it
    return path;
}

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From source file:org.trustedanalytics.utils.hdfs.HdfsConfigFactory.java

License:Apache License

private HdfsConfig createConfig(FileSystem fileSystem, String hdfsUri, String hdfsUser)
        throws IOException, LoginException {
    Path folder = new Path(hdfsUri);
    fileSystem.setWorkingDirectory(folder);

    return new HdfsConfig(fileSystem, hdfsUser, folder);
}

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From source file:org.trustedanalytics.utils.hdfs.TestHdfsConfigFactory.java

License:Apache License

private HdfsConfig createConfig(FileSystem fileSystem, String hdfsUri, String hdfsUser, Configuration config)
        throws IOException, LoginException {
    Path folder = new Path(hdfsUri);
    fileSystem.setWorkingDirectory(folder);
    return new HdfsConfig(fileSystem, hdfsUser, folder);
}

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