Package Array

Class StreamerDataBlock


public class StreamerDataBlock extends PamDataBlock<StreamerDataUnit>
  • Field Details Link icon

  • Constructor Details Link icon

  • Method Details Link icon

    • clearAll Link icon

      public void clearAll()
      Description copied from class: PamDataBlock
      Clears all PamDataUnits from memory

      In viewer mode, data are also re-saved.

      Overrides:
      clearAll in class PamDataBlock<StreamerDataUnit>
    • forceClearAll Link icon

      public void forceClearAll()
      Used by DIFAR module to clear streamers in real-time
    • removeOldUnitsT Link icon

      protected int removeOldUnitsT(long currentTimeMS)
      Description copied from class: PamDataBlock
      Removes olderPamDataUnits from memory, starting at the first unit and continuing until if finds one with data coming earlier than the given time in milliseconds.

      If the data are acoustic, it tries to find the data source and looks to see how much data has been placed in the source data unit and does the calculation in samples.

      Overrides:
      removeOldUnitsT in class PamDataBlock<StreamerDataUnit>
      Parameters:
      currentTimeMS - Time in milliseconds of the first data which must be kept
      Returns:
      the number of units removed
    • removeOldUnitsS Link icon

      protected int removeOldUnitsS(long mastrClockSample)
      Overrides:
      removeOldUnitsS in class PamDataBlock<StreamerDataUnit>
    • getPreceedingUnit Link icon

      public StreamerDataUnit getPreceedingUnit(long startTime, int channelMap)
      Description copied from class: PamDataBlock
      Simple function to find the data unit at or before the given start time that has a given channel bitmap
      Overrides:
      getPreceedingUnit in class PamDataBlock<StreamerDataUnit>
      Parameters:
      startTime - search time in milliseconds
      channelMap - Channel bitmap
      Returns:
      data unit at or following the given time.
    • getNumRequiredBeforeLoadTime Link icon

      public int getNumRequiredBeforeLoadTime()
      Description copied from class: PamDataBlock
      Get the number of pam data units that are required prior to the load times that get sent to loadViewerData. This can be used for things like hydrophone data where it may be necessary to load up a few earlier points to complete a trackline, etc.
      Overrides:
      getNumRequiredBeforeLoadTime in class PamDataBlock<StreamerDataUnit>
      Returns:
      number of units required.
    • getShouldLog Link icon

      public boolean getShouldLog(PamDataUnit pamDataUnit)
      Description copied from class: PamDataBlock
      Should log the data unit to the database ?
      Overrides:
      getShouldLog in class PamDataBlock<StreamerDataUnit>
      Parameters:
      pamDataUnit - dataunit to consider
      Returns:
      true if data should be logged.
    • replaceStreamerDataUnit Link icon

      public void replaceStreamerDataUnit(StreamerDataUnit oldUnit, StreamerDataUnit newUnit)
    • loadViewerData Link icon

      public boolean loadViewerData(OfflineDataLoadInfo offlineDataLoadInfo, ViewLoadObserver loadObserver)
      Description copied from class: PamDataBlock
      Instruction from the viewer scroll manager to load new data.
      Overrides:
      loadViewerData in class PamDataBlock<StreamerDataUnit>
      Parameters:
      offlineDataLoadInfo - - the load object which contains all info on the data to be loaded.
      loadObserver - - the load observer. Can be used as a callback for load progress.