Example usage for org.apache.hadoop.fs FileStatus getOwner

Introduction

In this page you can find the example usage for org.apache.hadoop.fs FileStatus getOwner.

Prototype

public String getOwner()

Source Link

Document

Get the owner of the file.

Usage

From source file:tachyon.hadoop.TFSAclIntegrationTest.java

License:Apache License

/**
 * Test for {@link TFS#setOwner(Path, String, String)}. It will test both owner and group are
 * null.//from  w  w w. j  av  a 2 s . c  o  m
 */
@Test
public void checkNullOwnerAndGroupTest() throws Exception {
    Path fileD = new Path("/chownfileD");

    create(sTFS, fileD);

    FileStatus fs = sTFS.getFileStatus(fileD);
    String defaultOwner = fs.getOwner();
    String defaultGroup = fs.getGroup();

    sTFS.setOwner(fileD, null, null);

    fs = sTFS.getFileStatus(fileD);
    Assert.assertEquals(defaultOwner, fs.getOwner());
    Assert.assertEquals(defaultGroup, fs.getGroup());
}

From source file:wherehows.AvroFileAnalyzer.java

License:Open Source License

@Override
public DatasetJsonRecord getSchema(Path targetFilePath) throws IOException {
    System.out.println("avro file path : " + targetFilePath.toUri().getPath());

    SeekableInput sin = new FsInput(targetFilePath, fs.getConf());
    DataFileReader<GenericRecord> reader = new DataFileReader<GenericRecord>(sin,
            new GenericDatumReader<GenericRecord>());
    String codec = reader.getMetaString("avro.codec");
    long record_count = reader.getBlockCount();

    String schemaString = reader.getSchema().toString();
    String storage = STORAGE_TYPE;
    String abstractPath = targetFilePath.toUri().getPath();

    FileStatus fstat = fs.getFileStatus(targetFilePath);
    DatasetJsonRecord datasetJsonRecord = new DatasetJsonRecord(schemaString, abstractPath,
            fstat.getModificationTime(), fstat.getOwner(), fstat.getGroup(), fstat.getPermission().toString(),
            codec, storage, "");
    reader.close();//  ww w  .j a  v a 2 s.  com
    sin.close();
    return datasetJsonRecord;
}

From source file:wherehows.OrcFileAnalyzer.java

License:Open Source License

@Override
public DatasetJsonRecord getSchema(Path targetFilePath) throws IOException {
    Reader orcReader = OrcFile.createReader(fs, targetFilePath);
    String codec = String.valueOf(orcReader.getCompression());
    String schemaString = orcReader.getObjectInspector().getTypeName();
    String storage = STORAGE_TYPE;
    String abstractPath = targetFilePath.toUri().getPath();

    FileStatus fstat = fs.getFileStatus(targetFilePath);
    DatasetJsonRecord datasetJsonRecord = new DatasetJsonRecord(schemaString, abstractPath,
            fstat.getModificationTime(), fstat.getOwner(), fstat.getGroup(), fstat.getPermission().toString(),
            codec, storage, "");

    return datasetJsonRecord;
}

From source file:wherehows.SchemaFetch.java

License:Open Source License

private static void scanPathHelper(Path path, FileSystem scanFs)
        throws IOException, InterruptedException, SQLException {
    String curPath = path.toUri().getPath();
    Path n = path;/*from w  w  w  .j  a  v a2 s .  c  o m*/
    if (path.getName().matches("^(\\.|_|tmp|temp|test|trash|backup|archive|ARCHIVE|storkinternal).*"))
        return;

    logger.info("  -- scanPath(" + curPath + ")\n");
    int x = isTable(path, scanFs);
    if (x > 0) {
        // System.err.println("  traceTable(" + path.toString() + ")");
        traceTableInfo(path, scanFs);
    } else if (x == 0) { // iterate over each table
        // FileStatus[] fslist = scanFs.listStatus(path);
        // System.err.println(" => " + fslist.length + " subdirs");
        for (FileStatus fstat : scanFs.listStatus(path)) {
            n = fstat.getPath();
            curPath = n.toUri().getPath();
            // System.err.println("  traceSubDir(" + curPath + ")");
            if (n == path) {
                continue;
            }
            try {
                if (isTable(n, scanFs) > 0) {
                    traceTableInfo(n, scanFs);
                } else if (scanFs.listStatus(n).length > 0 || scanFs.getContentSummary(n).getLength() > 0) {
                    scanPath(n, scanFs);
                } else {
                    logger.info("* scanPath() size = 0: " + curPath);
                }
            } catch (AccessControlException e) {
                logger.error("* scanPath(e) Permission denied. Cannot access: " + curPath + " owner:"
                        + fstat.getOwner() + " group: " + fstat.getGroup() + "with current user "
                        + UserGroupInformation.getCurrentUser());
                // System.err.println(e);
                continue;
            } // catch
        } // end of for
    } // end else
}