BlueMap/BlueMapCommon/src/main/java/de/bluecolored/bluemap/common/rendermanager/MapPurgeTask.java

105 lines
3.1 KiB
Java

/*
* This file is part of BlueMap, licensed under the MIT License (MIT).
*
* Copyright (c) Blue (Lukas Rieger) <https://bluecolored.de>
* Copyright (c) contributors
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package de.bluecolored.bluemap.common.rendermanager;
import de.bluecolored.bluemap.api.debug.DebugDump;
import de.bluecolored.bluemap.core.map.BmMap;
import java.util.Objects;
public class MapPurgeTask implements RenderTask {
private final BmMap map;
private volatile double progress;
private volatile boolean hasMoreWork;
private volatile boolean cancelled;
public MapPurgeTask(BmMap map) {
this.map = Objects.requireNonNull(map);
this.progress = 0d;
this.hasMoreWork = true;
this.cancelled = false;
}
@Override
public void doWork() throws Exception {
synchronized (this) {
if (!this.hasMoreWork) return;
this.hasMoreWork = false;
}
if (this.cancelled) return;
// save lowres-tile-manager to clear/flush any buffered data
this.map.getLowresTileManager().save();
try {
// purge the map
map.getStorage().purgeMap(map.getId(), progressInfo -> {
this.progress = progressInfo.getProgress();
return !this.cancelled;
});
// reset texture gallery
map.resetTextureGallery();
} finally {
// reset renderstate
map.getRenderState().reset();
}
}
@Override
public boolean hasMoreWork() {
return this.hasMoreWork && !this.cancelled;
}
@Override
@DebugDump
public double estimateProgress() {
return this.progress;
}
@Override
public void cancel() {
this.cancelled = true;
}
@Override
public boolean contains(RenderTask task) {
if (task == this) return true;
if (task instanceof MapPurgeTask) {
return map.equals(((MapPurgeTask) task).map);
}
return false;
}
@Override
public String getDescription() {
return "Purge map " + map.getId();
}
}