4abec66e39
- now there is a clean separation between TileSource type and TileDataSource(worker instances)
48 lines
1.3 KiB
Java
48 lines
1.3 KiB
Java
/*
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* Copyright 2010, 2011, 2012 mapsforge.org
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* Copyright 2012 Hannes Janetzek
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*
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* This program is free software: you can redistribute it and/or modify it under the
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* terms of the GNU Lesser General Public License as published by the Free Software
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* Foundation, either version 3 of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT ANY
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* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
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* PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License along with
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* this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package org.oscim.tilesource;
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import org.oscim.layers.tile.MapTile;
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/**
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*
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*
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*/
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public interface ITileDataSource {
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/**
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* Starts a database query with the given parameters.
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*
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* @param tile
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* the tile to read.
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* @param mapDataSink
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* the callback which handles the extracted map elements.
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* @return true if successful
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*/
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abstract QueryResult executeQuery(MapTile tile,
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ITileDataSink mapDataSink);
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abstract void destroy();
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public static enum QueryResult {
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SUCCESS,
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FAILED,
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TILE_NOT_FOUND,
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DELAYED,
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}
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}
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