GetTiles

java.lang.Object

org.deltava.dao.file.DAO

org.deltava.dao.file.GetTiles

All Implemented Interfaces:: SeriesReader

public class GetTiles extends DAO implements SeriesReader

A Data Access Object to read image tiles from the filesystem.

Since:: 10.0
Version:: 11.3
Author:: Luke

Constructor Summary

Constructors

Constructor

Description

GetTiles()

Creates the Data Access Object.
Method Summary

Modifier and Type

Method

Description

Collection<Instant>

getDates(String type)

Reads available image dates for a given type.

PNGTile

getTile(String imgType, Instant effDate, TileAddress addr)

Reads a tile.

Collection<String>

getTypes()

Lists the available imagery types.

Methods inherited from class org.deltava.dao.file.DAO
getReader, getStream, setBufferSize

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details
- GetTiles
  
  public GetTiles()
  
  Creates the Data Access Object.
Method Details
- getTypes
  
  public Collection<String> getTypes() throws DAOException
  
  Description copied from interface: SeriesReader
  
  Lists the available imagery types.
  
  Specified by:
  
  getTypes in interface SeriesReader
  
  Returns:
  
  a Collection of types
  
  Throws:
  
  DAOException - if an error occurs
- getDates
  
  public Collection<Instant> getDates(String type) throws DAOException
  
  Description copied from interface: SeriesReader
  
  Reads available image dates for a given type.
  
  Specified by:
  
  getDates in interface SeriesReader
  
  Parameters:
  
  type - the image type
  
  Returns:
  
  a Collection of Dates
  
  Throws:
  
  DAOException - if a timeout or I/O error occurs
- getTile
  
  public PNGTile getTile(String imgType, Instant effDate, TileAddress addr) throws DAOException
  
  Description copied from interface: SeriesReader
  
  Reads a tile.
  
  Specified by:
  
  getTile in interface SeriesReader
  
  Parameters:
  
  imgType - the image type
  
  effDate - the effective date
  
  addr - the TileAddress
  
  Returns:
  
  a PNGTile, or null if none
  
  Throws:
  
  DAOException - if an error occurs