Java DatabaseDescriptor.createAllDirectories方法代码示例

import org.apache.cassandra.config.DatabaseDescriptor; //导入方法依赖的package包/类
private CommitLog()
{
    DatabaseDescriptor.createAllDirectories();

    allocator = new CommitLogSegmentManager();

    executor = DatabaseDescriptor.getCommitLogSync() == Config.CommitLogSync.batch
             ? new BatchCommitLogService(this)
             : new PeriodicCommitLogService(this);

    MBeanServer mbs = ManagementFactory.getPlatformMBeanServer();
    try
    {
        mbs.registerMBean(this, new ObjectName("org.apache.cassandra.db:type=Commitlog"));
    }
    catch (Exception e)
    {
        throw new RuntimeException(e);
    }

    // register metrics
    metrics = new CommitLogMetrics(executor, allocator);
}
 

import org.apache.cassandra.config.DatabaseDescriptor; //导入方法依赖的package包/类
private CommitLog()
{
    DatabaseDescriptor.createAllDirectories();

    allocator = new CommitLogAllocator();
    activateNextSegment();

    executor = DatabaseDescriptor.getCommitLogSync() == Config.CommitLogSync.batch
             ? new BatchCommitLogExecutorService()
             : new PeriodicCommitLogExecutorService(this);

    MBeanServer mbs = ManagementFactory.getPlatformMBeanServer();
    try
    {
        mbs.registerMBean(this, new ObjectName("org.apache.cassandra.db:type=Commitlog"));
    }
    catch (Exception e)
    {
        throw new RuntimeException(e);
    }

    // register metrics
    metrics = new CommitLogMetrics(executor, allocator);
}
 

import org.apache.cassandra.config.DatabaseDescriptor; //导入方法依赖的package包/类
@VisibleForTesting
CommitLog(String location, CommitLogArchiver archiver)
{
    this.location = location;
    this.configuration = new Configuration(DatabaseDescriptor.getCommitLogCompression());
    DatabaseDescriptor.createAllDirectories();

    this.archiver = archiver;
    metrics = new CommitLogMetrics();

    executor = DatabaseDescriptor.getCommitLogSync() == Config.CommitLogSync.batch
            ? new BatchCommitLogService(this)
            : new PeriodicCommitLogService(this);

    allocator = new CommitLogSegmentManager(this);

    // register metrics
    metrics.attach(executor, allocator);
}
 

import org.apache.cassandra.config.DatabaseDescriptor; //导入方法依赖的package包/类
private static void cleanupAndLeaveDirs() throws IOException {
  CommitLog.instance.stopUnsafe(true);
  DatabaseDescriptor.createAllDirectories();
  cleanup();
  DatabaseDescriptor.createAllDirectories();
  CommitLog.instance.restartUnsafe();
}
 

import org.apache.cassandra.config.DatabaseDescriptor; //导入方法依赖的package包/类
@SuppressWarnings("unchecked")
protected static int prepare() throws IOException {
    
    String cassandraDirName = "target" + File.separator + "cassandra-junit-" + new Random().nextInt(1000000);
    
    
    File cassandraDir = new File(cassandraDirName);
    if (!cassandraDir.exists()) {
        boolean isCreated = cassandraDir.mkdirs();
        if (!isCreated) {
            throw new RuntimeException("could not create cassandra dir " + cassandraDir.getAbsolutePath());
        }
    }
    

    InputStream cassandraConfigurationInput = null;
    Writer cassandraConfigurationOutput = null;

    try {
        ClassLoader loader = Thread.currentThread().getContextClassLoader();
        cassandraConfigurationInput = loader.getResourceAsStream(CASSANDRA_YAML_FILE);

        Yaml yaml = new Yaml();
        Map<String, Object> cassandraConfiguration = (Map<String, Object>)yaml.load(cassandraConfigurationInput);

        int rpcPort = findUnusedLocalPort();
        if (rpcPort == -1) {
            throw new RuntimeException("Can not start embedded cassandra: no unused local port found!");
        }
        cassandraConfiguration.put("rpc_port", rpcPort);

        int storagePort = findUnusedLocalPort();
        if (storagePort == -1) {
            throw new RuntimeException("Can not start embedded cassandra: no unused local port found!");
        }
        cassandraConfiguration.put("storage_port", storagePort);

        int nativeTransportPort = findUnusedLocalPort();
        if (nativeTransportPort == -1) {
            throw new RuntimeException("Can not start embedded cassandra: no unused local port found!");
        }
        cassandraConfiguration.put("native_transport_port", nativeTransportPort);

        cassandraConfiguration.put("start_native_transport", "true");

        cassandraConfigurationOutput =
          new OutputStreamWriter(new FileOutputStream(cassandraDirName + File.separator + CASSANDRA_YAML_FILE), Charsets.UTF_8);

        yaml.dump(cassandraConfiguration, cassandraConfigurationOutput);
        
        
        
        System.setProperty("cassandra.config", new File(cassandraDirName, CASSANDRA_YAML_FILE).toURI().toString());
        System.setProperty("cassandra-foreground", "true");
    
        DatabaseDescriptor.createAllDirectories();
        
        
        return nativeTransportPort;
        
    } finally {
        Closeables.closeQuietly(cassandraConfigurationInput);
        Closeables.close(cassandraConfigurationOutput, true);
    }
}
 

import org.apache.cassandra.config.DatabaseDescriptor; //导入方法依赖的package包/类
public static void mkdirs()
{
    DatabaseDescriptor.createAllDirectories();
}