Package org.jini.rio.watch

Interface WatchDataSource

All Superinterfaces:
Remote
public interface WatchDataSource extends Remote
The WatchDataSource interface defines the semantics for a Watch to store Calculable records

  • Method Details

    • getID

      String getID() throws RemoteException
      Get the ID for the WatchDataSource
      Throws:
      RemoteException

    • getOffset

      int getOffset() throws RemoteException
      Get the offset
      Throws:
      RemoteException

    • setSize

      void setSize(int size) throws RemoteException
      Set the maximum size for the Calculable history
      Parameters:
      size - The maximum size for the Calculable history
      Throws:
      RemoteException

    • getSize

      int getSize() throws RemoteException
      Get the maximum size for the Calculable history
      Returns:
      The maximum size for the Calculable history
      Throws:
      RemoteException

    • clear

      void clear() throws RemoteException
      Clears the history
      Throws:
      RemoteException

    • getCurrentSize

      int getCurrentSize() throws RemoteException
      Get the current size for the Caclulable history
      Returns:
      The current size for the Caclulable history
      Throws:
      RemoteException

    • addCalculable

      void addCalculable(Calculable calculable) throws RemoteException
      Add a Calculable record to the Calculable history
      Parameters:
      calculable - The Calculable record
      Throws:
      RemoteException

    • getCalculable

      Calculable[] getCalculable() throws RemoteException
      Get all Calculable records from the Calculable history
      Returns:
      An array of Calculable records from the Calculable history. If there are no Calculable records in the history, a zero-length array will be returned
      Throws:
      RemoteException

    • getCalculable

      Calculable[] getCalculable(String id) throws RemoteException
      Get Calculable records from the Calculable history
      Parameters:
      id - The Watch identifier to match
      Returns:
      Calculable[] An array of Calculable records from the Calculable history that match the Watch id. If there are no Calculable records in the history that maych the Watch id, a zero-length array will be returned
      Throws:
      RemoteException

    • getCalculable

      Calculable[] getCalculable(int offset, int length) throws RemoteException
      Get Calculable records from the Calculable history for the specified range
      Parameters:
      offset - The index of the first record to fetch
      length - The number of records to return
      Returns:
      An array of Calculable records from the Calculable history within the provided range. If there are no Calculable records in the range, a zero-length array will be returned
      Throws:
      RemoteException

    • getCalculable

      Calculable[] getCalculable(String id, int offset, int length) throws RemoteException
      Get Calculable records from the Calculable history
      Parameters:
      id - The Watch identifier to match
      offset - The index of the first record to match
      length - The number of records to compare
      Returns:
      An array of Calculable records from the Calculable history that match the Watch id within the provided range. If there are no Calculable records in the range that match the Watch ID, a zero-length array will be returned
      Throws:
      RemoteException

    • getLastCalculable

      Calculable getLastCalculable() throws RemoteException
      Gets the last Calculable from the history
      Returns:
      The last Calculable in the history
      Throws:
      RemoteException

    • getLastCalculable

      Calculable getLastCalculable(String id) throws RemoteException
      Gets the last Calculable from the history
      Parameters:
      id - The Watch identifier to match
      Returns:
      The last Calculable in the history that matches the Watch ID
      Throws:
      RemoteException

    • getThresholdValues

      ThresholdValues getThresholdValues() throws RemoteException
      Getter for property thresholdValues.
      Returns:
      Value of property thresholdValues.
      Throws:
      RemoteException

    • setThresholdValues

      void setThresholdValues(ThresholdValues tValues) throws RemoteException
      Set the ThresholdValues
      Throws:
      RemoteException

    • close

      void close() throws RemoteException
      Closes the watch data source and unexports it from the runtime
      Throws:
      RemoteException

    • setView

      void setView(String view) throws RemoteException
      Setter for property view.
      Parameters:
      view - The view class name, suitable for Class.forName
      Throws:
      RemoteException

    • getView

      String getView() throws RemoteException
      Getter for property view.
      Returns:
      The Value of the property view
      Throws:
      RemoteException