90 lines
3.4 KiB
Java
90 lines
3.4 KiB
Java
/*
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* This file is part of BlueMap, licensed under the MIT License (MIT).
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*
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* Copyright (c) Blue (Lukas Rieger) <https://bluecolored.de>
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* Copyright (c) contributors
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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package de.bluecolored.bluemap.core.storage.sql;
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import de.bluecolored.bluemap.core.storage.compression.CompressedInputStream;
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import de.bluecolored.bluemap.core.storage.compression.Compression;
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import de.bluecolored.bluemap.core.storage.GridStorage;
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import de.bluecolored.bluemap.core.storage.sql.commandset.CommandSet;
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import de.bluecolored.bluemap.core.util.stream.OnCloseOutputStream;
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import lombok.RequiredArgsConstructor;
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import org.jetbrains.annotations.Nullable;
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import java.io.*;
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import java.util.stream.Stream;
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import java.util.stream.StreamSupport;
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@RequiredArgsConstructor
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public class SQLTileStorage implements GridStorage {
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private final CommandSet sql;
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private final String mapId;
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private final int lod;
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private final Compression compression;
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@Override
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public OutputStream write(int x, int z) throws IOException {
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ByteArrayOutputStream bytes = new ByteArrayOutputStream();
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return new OnCloseOutputStream(compression.compress(bytes),
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() -> sql.writeMapTile(mapId, lod, x, z, compression, bytes.toByteArray())
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);
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}
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@Override
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public @Nullable CompressedInputStream read(int x, int z) throws IOException {
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byte[] data = sql.readMapTile(mapId, lod, x, z, compression);
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if (data == null) return null;
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return new CompressedInputStream(new ByteArrayInputStream(data), compression);
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}
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@Override
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public void delete(int x, int z) throws IOException {
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sql.deleteMapTile(mapId, lod, x, z, compression);
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}
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@Override
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public boolean exists(int x, int z) throws IOException {
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return sql.hasMapTile(mapId, lod, x, z, compression);
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}
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@Override
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public Stream<Cell> stream() throws IOException {
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return StreamSupport.stream(
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new PageSpliterator<>(page -> {
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try {
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return sql.listMapTiles(mapId, lod, compression, page * 1000, 1000);
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} catch (IOException ex) { throw new RuntimeException(ex); }
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}),
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false
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).map(tilePosition -> new GridStorageCell(this, tilePosition.x(), tilePosition.z()));
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}
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@Override
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public boolean isClosed() {
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return sql.isClosed();
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}
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}
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