net.minecraft.server.FileIOThread Maven / Gradle / Ivy

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package net.minecraft.server;

import com.google.common.collect.Lists;

import java.util.Collections;
import java.util.List;

public class FileIOThread implements Runnable {

  private static final FileIOThread a = new FileIOThread();
  private final List b = Collections.synchronizedList(Lists.newArrayList());
  private volatile long c;
  private volatile long d;
  private volatile boolean e;

  private FileIOThread() {
    Thread thread = new Thread(this, "File IO Thread");

    thread.setPriority(1);
    thread.start();
  }

  public static FileIOThread a() {
    return FileIOThread.a;
  }

  public void run() {
    while (true) {
      this.c();
    }
  }

  private void c() {
    for (int i = 0; i < this.b.size(); ++i) {
      IAsyncChunkSaver iasyncchunksaver = this.b.get(i);
      boolean flag = iasyncchunksaver.c();

      if (!flag) {
        this.b.remove(i--);
        ++this.d;
      }

            /* // Spigot start - don't sleep in between chunks so we unload faster.
            try {
                Thread.sleep(this.e ? 0L : 10L);
            } catch (InterruptedException interruptedexception) {
                interruptedexception.printStackTrace();
            } */ // Spigot end
    }

    if (this.b.isEmpty()) {
      try {
        Thread.sleep(25L);
      } catch (InterruptedException interruptedexception1) {
        interruptedexception1.printStackTrace();
      }
    }

  }

  public void a(IAsyncChunkSaver iasyncchunksaver) {
    if (!this.b.contains(iasyncchunksaver)) {
      ++this.c;
      this.b.add(iasyncchunksaver);
    }
  }

  public void b() throws InterruptedException {
    this.e = true;

    while (this.c != this.d) {
      Thread.sleep(10L);
    }

    this.e = false;
  }
}