Package ucar.unidata.data.radar

Class RadarDataSource

java.lang.Object
ucar.unidata.collab.SharableImpl
ucar.unidata.data.DataSourceImpl
ucar.unidata.data.FilesDataSource
ucar.unidata.data.radar.RadarDataSource
All Implemented Interfaces:
Sharable, DataSource, DataSourceFactory, RadarConstants, XmlPersistable
Direct Known Subclasses:
CDMRadarDataSource, DoradeDataSource, Level2RadarDataSource, NetcdfRadarDataSource
public abstract class RadarDataSource extends FilesDataSource implements RadarConstants
A data source for Radar data files. This class holds a List of data sources and a set of RadarAdapter-s to adapte each file.
Version:
$Revision: 1.38 $ $Date: 2007/07/26 19:45:01 $
Author:
Unidata Development Team

  • Field Details

    • useDriverTime

      public boolean useDriverTime
      _more_

    • TimeDriver

      public Object TimeDriver
      _more_

    • CATEGORY_RHI

      public static final DataCategory CATEGORY_RHI
      Radar data appropriate for RHI

    • CATEGORY_RHISWEEP

      public static final DataCategory CATEGORY_RHISWEEP
      RHI sweep category

    • CATEGORY_CAPPI

      public static final DataCategory CATEGORY_CAPPI
      Radar data appropriate for CAPPIE

    • CATEGORY_VOLUME

      public static final DataCategory CATEGORY_VOLUME
      Radar data appropriate for radar volume

    • CATEGORY_VCS

      public static final DataCategory CATEGORY_VCS
      Radar data appropriate for radar vertical cross section

    • CATEGORY_ISOSURFACE

      public static final DataCategory CATEGORY_ISOSURFACE
      Radar data appropriate for radar isosurface

    • CATEGORY_ISOSURFACE_TIME

      public static final DataCategory CATEGORY_ISOSURFACE_TIME
      Radar data appropriate for radar isosurface

    • CATEGORY_SWEEP_3D

      public static final DataCategory CATEGORY_SWEEP_3D
      2d sweep category

    • CATEGORY_SWEEP_3D_TIME

      public static final DataCategory CATEGORY_SWEEP_3D_TIME
      3d sweep category

    • CATEGORY_SWEEP_2D

      public static final DataCategory CATEGORY_SWEEP_2D
      The 2D radar sweep category

    • CATEGORY_SWEEP_2D_TIME

      public static final DataCategory CATEGORY_SWEEP_2D_TIME
      The 2D radar sweep category

    • CATEGORY_TH

      public static final DataCategory CATEGORY_TH
      The radar time height category

    • CATEGORY_VWP

      public static final DataCategory CATEGORY_VWP
      The radar vertical wind profiler category

    • CATEGORY_RASTER_2D

      public static final DataCategory CATEGORY_RASTER_2D
      The 2D radar sweep category

    • CATEGORY_RASTER_2D_TIME

      public static final DataCategory CATEGORY_RASTER_2D_TIME
      The 2D radar sweep category with time

  • Constructor Details

    • RadarDataSource

      public RadarDataSource()
      Construct a radar data source.

    • RadarDataSource

      public RadarDataSource(DataSourceDescriptor descriptor, List sources, String description, Hashtable properties) throws VisADException
      Construct a new radar data source.
      Parameters:
      descriptor - descriptor for this datasource
      sources - List of sources of data (filenames, URLs)
      description - Description of the files
      properties - hashtable of properties. Includes radar location
      Throws:
      VisADException - couldn't create the data

  • Method Details

    • canSaveDataToLocalDisk

      public boolean canSaveDataToLocalDisk()
      Can this data source save its dat to local disk
      Specified by:
      canSaveDataToLocalDisk in interface DataSource
      Overrides:
      canSaveDataToLocalDisk in class DataSourceImpl
      Returns:
      can save to local disk

    • processDataFilename

      protected String processDataFilename(String filename, int index)
      Transmogrify the filename
      Overrides:
      processDataFilename in class FilesDataSource
      Parameters:
      filename - filename
      index - which one
      Returns:
      new file name

    • initAfterUnpersistence

      public void initAfterUnpersistence()
      handle legacy bundles
      Specified by:
      initAfterUnpersistence in interface DataSource
      Overrides:
      initAfterUnpersistence in class FilesDataSource

    • makeRadarAdapter

      protected abstract RadarAdapter makeRadarAdapter(String source) throws Exception
      Make a RadarAdapter from the source
      Parameters:
      source - source (file or URL) of data
      Returns:
      corresponding RadarAdapter
      Throws:
      Exception - problem creating the adapter.

    • clearCachedData

      public void clearCachedData()
      This is called when the CacheManager detects the need ot clear memory. It is intended to be overwritten by derived classes that are holding cached data that is not in the normal putCache facilities provided by this class since that data is actually managed by the CacheManager
      Specified by:
      clearCachedData in interface DataSource
      Overrides:
      clearCachedData in class DataSourceImpl

    • getAdapters

      protected List<RadarAdapter> getAdapters()
      Create, if needed, and return the list of adapters. Will return null if there are no valid adapters.
      Returns:
      List of adapters or null

    • doMakeDateTimes

      protected List doMakeDateTimes()
      Create the list of times associated with this DataSource.
      Overrides:
      doMakeDateTimes in class DataSourceImpl
      Returns:
      list of times.

    • isRealTime

      protected boolean isRealTime()
      Are we doing real time
      Returns:
      is real time

    • getDataInner

      protected Data getDataInner(DataChoice dataChoice, DataCategory category, DataSelection subset, Hashtable requestProperties) throws VisADException, RemoteException
      Get the data for the given DataChoice and selection criteria.
      Overrides:
      getDataInner in class DataSourceImpl
      Parameters:
      dataChoice - DataChoice for selection
      category - DataCategory for the DataChoice (not used)
      subset - subsetting criteria
      requestProperties - extra request properties
      Returns:
      the Data object for the request
      Throws:
      RemoteException - couldn't create a remote data object
      VisADException - couldn't create the data

    • getRadarAdapters

      protected List<RadarAdapter> getRadarAdapters()
      Get the list of adapters.
      Returns:
      list of adapters.

    • doRemove

      public void doRemove()
      Gets called by the DataManager when this DataSource has been removed.
      Specified by:
      doRemove in interface DataSource
      Overrides:
      doRemove in class FilesDataSource