a1317a9de5
- rearchitect: now that MapView is a ViewGroup and MapRenderer is the GLSurfaceView. - lock/unlock proxy tiles properly to not be removed from cache while in use
73 lines
1.9 KiB
Java
73 lines
1.9 KiB
Java
/*
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* Copyright 2010, 2011, 2012 mapsforge.org
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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.database;
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import java.util.Map;
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import org.oscim.view.generator.JobTile;
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/**
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*
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*
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*/
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public interface IMapDatabase {
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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 mapDatabaseCallback
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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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public abstract QueryResult executeQuery(JobTile tile,
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IMapDatabaseCallback mapDatabaseCallback);
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/**
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* @return the metadata for the current map file.
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* @throws IllegalStateException
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* if no map is currently opened.
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*/
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public abstract MapInfo getMapInfo();
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/**
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* @return true if a map database is currently opened, false otherwise.
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*/
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public abstract boolean isOpen();
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/**
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* Opens MapDatabase
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*
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* @param options
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* the options.
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* @return a OpenResult containing an error message in case of a failure.
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*/
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public abstract OpenResult open(Map<String, String> options);
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/**
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* Closes the map file and destroys all internal caches. Has no effect if no map file is currently opened.
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*/
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public abstract void close();
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public abstract String getMapProjection();
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/**
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* Cancel loading
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*/
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public abstract void cancel();
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}
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