Field Detail

• DEFAULT_SYNC_PERIOD

  public static final int DEFAULT_SYNC_PERIOD

  Period in seconds between consecutive synchronizations when sync-mode is set to SYNC_BACKGROUND. By default in-memory cache will be transferred to the disc every 300 seconds (5 minutes). Default value can be changed via setSyncPeriod(int) method.

  See Also:

  Constant Field Values

• NAME

  public static final String NAME

  factory name, "NIO"

  See Also:

  Constant Field Values

Constructor Detail

• RrdNioBackendFactory

  public RrdNioBackendFactory()

Method Detail

• getSyncPeriod

  public static int getSyncPeriod()

  Returns time between two consecutive background synchronizations. If not changed via setSyncPeriod(int) method call, defaults to DEFAULT_SYNC_PERIOD. See setSyncPeriod(int) for more information.

  Returns:

  Time in seconds between consecutive background synchronizations.

• setSyncPeriod

  public static void setSyncPeriod​(int syncPeriod)

  Sets time between consecutive background synchronizations.

  Parameters:

  syncPeriod - Time in seconds between consecutive background synchronizations.

• open

  protected RrdBackend open​(String path,
                            boolean readOnly)
                     throws IOException

  Creates RrdNioBackend object for the given file path.

  Overrides:

  open in class RrdFileBackendFactory

  Parameters:

  path - File path

  readOnly - True, if the file should be accessed in read/only mode. False otherwise.

  Returns:

  RrdNioBackend object which handles all I/O operations for the given file path

  Throws:

  IOException - Thrown in case of I/O error.

• shutdown

  public void shutdown()

• getFactoryName

  public String getFactoryName()

  Returns the name of this factory.

  Overrides:

  getFactoryName in class RrdFileBackendFactory

  Returns:

  Factory name (equals to string "NIO")

• finalize

  protected void finalize()
                   throws Throwable

  Overrides:

  finalize in class Object

  Throws:

  Throwable

• getSyncManager

  SyncManager getSyncManager()