NET/worlds/scape/CallbackPropertyOperator.java


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package NET.worlds.scape;

import NET.worlds.console.Main;
import NET.worlds.console.MainCallback;

public class CallbackPropertyOperator implements MainCallback {
   private Property prop;
   private int func;
   private Object value;
   private boolean done;

   CallbackPropertyOperator(Property prop, int func, Object value) {
      this.prop = prop;
      this.func = func;
      this.value = value;

      assert !Main.isMainThread();

      Main.register(this);
   }

   synchronized Object getValue() {
      while (!this.done) {
         try {
            this.wait();
         } catch (InterruptedException var2) {
         }
      }

      return this.value;
   }

   @Override
   public synchronized void mainCallback() {
      this.modify();
      Main.unregister(this);
      this.notify();
   }

   private void modify() {
      this.value = this.prop.safeOperate(this.func, this.value);
      this.done = true;
   }
}