Class GetTiles

java.lang.Object

org.deltava.dao.jedis.JedisDAO

org.deltava.dao.jedis.GetTiles

All Implemented Interfaces:

SeriesReader

public class GetTiles
extends JedisDAO
implements SeriesReader

A Data Access Object to read tiles from Jedis.

Since:

5.0

Version:

11.3

Author:

Luke

Field Summary

Fields inherited from class org.deltava.dao.jedis.JedisDAO

_expiry

Constructor Summary

Constructors

Constructor	Description
GetTiles()

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.jedis.JedisDAO

createKey, setBucket, setExpiry

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

GetTiles

public GetTiles()

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