com.nutiteq.db
Class AndroidTileDatabaseHelper

java.lang.Object
  com.nutiteq.db.AndroidTileDatabaseHelper

public class AndroidTileDatabaseHelper
extends java.lang.Object

Universal helper for SQLite tile database.

Author:

jaak

Field Summary

android.database.sqlite.SQLiteDatabase

database

Constructor Summary

AndroidTileDatabaseHelper(android.content.Context ctx, java.lang.String databaseName, java.lang.String tileTable, java.lang.String keyZoom, java.lang.String keyX, java.lang.String keyY, java.lang.String keyData, java.lang.String tableWhere)
Construct database helper with own tile table format.

Method Summary

void	close()
boolean	containsKey(int z, int x, int y)
byte[]	get(int z, int x, int y)
void	open()

Methods inherited from class java.lang.Object

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

Field Detail

database

public android.database.sqlite.SQLiteDatabase database

Constructor Detail

AndroidTileDatabaseHelper

public AndroidTileDatabaseHelper(android.content.Context ctx,
                                 java.lang.String databaseName,
                                 java.lang.String tileTable,
                                 java.lang.String keyZoom,
                                 java.lang.String keyX,
                                 java.lang.String keyY,
                                 java.lang.String keyData,
                                 java.lang.String tableWhere)

Construct database helper with own tile table format.

Parameters:

ctx - Android application context

databaseName - Database file path

tileTable - Tile table name, e.g. "tiles"

keyZoom - column name for zoom

keyX - table column name for x/column

keyY - table column name for y/row

keyData - column for binary data (blob)

tableWhere - where SQL clause for tile row search, as prepared statement e.g. "zoom_level = ? and tile_column = ? and tile_row = ?"

Method Detail

open

public void open()

close

public void close()

containsKey

public boolean containsKey(int z,
                           int x,
                           int y)

get

public byte[] get(int z,
                  int x,
                  int y)