116 lines
3.5 KiB
Java
116 lines
3.5 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.common.rendermanager;
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import de.bluecolored.bluemap.api.debug.DebugDump;
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import java.util.*;
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@DebugDump
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public class CombinedRenderTask<T extends RenderTask> implements RenderTask {
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private final String description;
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private final List<T> tasks;
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private int currentTaskIndex;
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public CombinedRenderTask(String description, Collection<T> tasks) {
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this.description = description;
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this.tasks = Collections.unmodifiableList(new ArrayList<>(tasks));
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this.currentTaskIndex = 0;
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}
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@Override
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public void doWork() throws Exception {
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T task;
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synchronized (this) {
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if (!hasMoreWork()) return;
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task = this.tasks.get(this.currentTaskIndex);
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if (!task.hasMoreWork()){
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this.currentTaskIndex++;
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return;
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}
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}
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task.doWork();
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}
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@Override
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public synchronized boolean hasMoreWork() {
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return this.currentTaskIndex < this.tasks.size();
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}
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@Override
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public double estimateProgress() {
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if (!hasMoreWork()) return 1;
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int currentTask = this.currentTaskIndex;
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if (currentTask >= this.tasks.size()) return 1;
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double total = currentTask;
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total += this.tasks.get(currentTask).estimateProgress();
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return total / tasks.size();
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}
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@Override
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public void cancel() {
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for (T task : tasks) task.cancel();
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}
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@Override
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public boolean contains(RenderTask task) {
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if (this.equals(task)) return true;
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if (task instanceof CombinedRenderTask) {
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CombinedRenderTask<?> combinedTask = (CombinedRenderTask<?>) task;
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for (RenderTask subTask : combinedTask.tasks) {
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if (!this.contains(subTask)) return false;
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}
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return true;
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}
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for (RenderTask subTask : this.tasks) {
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if (subTask.contains(task)) return true;
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}
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return false;
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}
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@Override
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public String getDescription() {
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return description;
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}
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@Override
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public Optional<String> getDetail() {
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if (this.currentTaskIndex >= this.tasks.size()) return Optional.empty();
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return Optional.ofNullable(this.tasks.get(this.currentTaskIndex).getDescription());
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}
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}
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