Example usage for org.apache.cassandra.io.util FileUtils createDirectory

Introduction

In this page you can find the example usage for org.apache.cassandra.io.util FileUtils createDirectory.

Prototype

public static void createDirectory(File directory) 

Source Link

Usage

From source file:com.btoddb.flume.sinks.cassandra.EmbeddedServerHelper.java

License:Apache License

/**
 * Creates a directory// w w w.  j av a2 s  . c  o m
 * 
 * @param dir
 * @throws IOException
 */
private static void mkdir(String dir) throws IOException {
    FileUtils.createDirectory(dir);
}

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From source file:com.isthari.spring.cloud.config.cassandra.CassandraServiceDataCleaner.java

License:Apache License

/**
 * Creates a directory//from ww  w  . ja v  a2 s . c  om
 *
 * @param dir
 * @throws IOException
 */
private void mkdir(String dir) throws IOException {
    FileUtils.createDirectory(dir);
}

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From source file:com.netflix.priam.backup.IncrementalRestore.java

License:Apache License

@Override
public void execute() throws Exception {
    String prefix = config.getRestorePrefix();
    if (Strings.isNullOrEmpty(prefix)) {
        logger.error(//w w w. j a  va2s  .  c o  m
                "Restore prefix is not set, skipping incremental restore to avoid looping over the incremental backups. Plz check the configurations");
        return; // No point in restoring the files which was just backedup.
    }

    if (config.isRestoreClosestToken()) {
        priamServer.getId().getInstance().setToken(restoreToken.toString());
    }

    Date start = tracker.first().time;
    Iterator<AbstractBackupPath> incrementals = fs.list(prefix, start, Calendar.getInstance().getTime());
    FileUtils.createDirectory(restoreDir); // create restore dir.
    while (incrementals.hasNext()) {
        AbstractBackupPath temp = incrementals.next();
        if (tracker.contains(temp) || start.compareTo(temp.time) >= 0)
            continue; // ignore the ones which where already downloaded.
        if (temp.getType() != BackupFileType.SST)
            continue; // download SST's only.
        // skip System Keyspace, else you will run into concurrent schema issues.
        if (temp.getKeyspace().equalsIgnoreCase("System"))
            continue;
        /* Cassandra will rebuild Secondary index's after streaming is complete so we can ignore those */
        if (SECONDRY_INDEX_PATTERN.matcher(temp.fileName).matches()) // Make this use the constant from 1.1
            continue;

        // Create Directory for Individual Token respective to each incoming file
        File tokenDir = new File(restoreDir, temp.getToken());
        FileUtils.createDirectory(tokenDir);
        File keyspaceDir = config.getTargetKSName() == null ? new File(tokenDir, temp.keyspace)
                : new File(tokenDir, config.getTargetKSName());
        FileUtils.createDirectory(keyspaceDir);
        File columnFamilyDir = config.getTargetCFName() == null ? new File(keyspaceDir, temp.columnFamily)
                : new File(tokenDir, config.getTargetCFName());
        FileUtils.createDirectory(columnFamilyDir);
        logger.debug("*** Keyspace = " + keyspaceDir.getAbsolutePath() + " Column Family = "
                + columnFamilyDir.getAbsolutePath() + " File = " + temp.getRemotePath());
        if (config.getTargetKSName() != null || config.getTargetCFName() != null)
            temp.fileName = renameIncrementalRestoreFile(temp.fileName);
        download(temp, new File(columnFamilyDir, temp.fileName));
    }
    // wait for all the downloads in this batch to complete.
    waitToComplete();
    // stream the SST's in the dir
    for (File tokenDir : restoreDir.listFiles()) {
        for (File keyspaceDir : tokenDir.listFiles()) {
            for (File columnFamilyDir : keyspaceDir.listFiles()) {
                Collection<PendingFile> streamedSSTs = loader.stream(columnFamilyDir);
                addToStreamedIncrementalRestorePaths(streamedSSTs);
                if (streamedIncrementalRestorePaths.size() > 0) {
                    logger.debug("streamedIncrementalRestorePaths > 0, hence notifying observers");
                    notifyStreamedDataObservers();
                }
                // cleanup the dir which where streamed.
                loader.deleteCompleted(streamedSSTs);
            }
        }
    }
}

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From source file:org.apache.gora.cassandra.GoraCassandraTestDriver.java

License:Apache License

/**
 * Starts embedded Cassandra server./* w  w w .  j av  a 2  s.  co m*/
 *
 * @throws Exception
 *    if an error occurs
 */
@Override
public void setUpClass() throws Exception {
    super.setUpClass();
    log.info("Starting embedded Cassandra Server...");
    try {
        cleanupDirectoriesFailover();
        FileUtils.createDirectory(baseDirectory);
        System.setProperty("log4j.configuration", "log4j-server.properties");
        System.setProperty("cassandra.config", "cassandra.yaml");

        cassandraDaemon = new CassandraDaemon();
        cassandraDaemon.init(null);
        cassandraThread = new Thread(new Runnable() {

            public void run() {
                try {
                    cassandraDaemon.start();
                } catch (Exception e) {
                    log.error("Embedded casandra server run failed!", e);
                }
            }
        });

        cassandraThread.setDaemon(true);
        cassandraThread.start();
    } catch (Exception e) {
        log.error("Embedded casandra server start failed!", e);

        // cleanup
        tearDownClass();
    }
}

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From source file:org.springframework.cassandra.test.integration.EmbeddedCassandraServerHelper.java

License:Apache License

/**
 * Copies a resource from within the jar to a directory.
 *
 * @param resource name of the resource/* w  w w .  j  a va  2s . co  m*/
 * @param targetDirectory name of the target directory
 * @throws IOException
 */
private static void copy(String resource, File targetDirectory) throws IOException {

    FileUtils.createDirectory(targetDirectory);

    File file = new File(targetDirectory, new File(resource).getName());
    InputStream is = EmbeddedCassandraServerHelper.class.getClassLoader().getResourceAsStream(resource);
    OutputStream out = new FileOutputStream(file);

    FileCopyUtils.copy(is, out);

    out.close();
    is.close();
}

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