v2.1.4.1

400_xowa/src/gplx/threads/Gfo_async_mgr.java

@@ -0,0 +1,57 @@
+/*
+XOWA: the XOWA Offline Wiki Application
+Copyright (C) 2012 gnosygnu@gmail.com
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Affero General Public License as
+published by the Free Software Foundation, either version 3 of the
+License, or (at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU Affero General Public License for more details.
+
+You should have received a copy of the GNU Affero General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+package gplx.threads; import gplx.*;
+public class Gfo_async_mgr implements GfoInvkAble {
+	private ListAdp queue = ListAdp_.new_();
+	private Bool_obj_ref running = Bool_obj_ref.n_();
+	private Gfo_async_cmd_mkr cmd_mkr = new Gfo_async_cmd_mkr();
+	public void Queue(GfoInvkAble invk, String invk_key, Object... args) {
+		Gfo_async_cmd_itm cmd = cmd_mkr.Get(invk, invk_key, args);
+		synchronized (queue) {
+			queue.Add(cmd);
+		}
+		synchronized (running) {
+			if (running.Val_n()) {
+				running.Val_y_();
+				gplx.threads.ThreadAdp_.invk_(Invk_run, this, Invk_run).Start();
+			}
+		}
+	}
+	public void Run() {
+		Gfo_async_cmd_itm cmd = null;
+		try {
+			while (true) {
+				synchronized (queue) {
+					if (queue.Count() == 0) break;
+					cmd = (Gfo_async_cmd_itm)ListAdp_.Pop(queue);
+					cmd.Exec();
+				}
+			}
+		}
+		finally {
+			synchronized (running) {
+				running.Val_n_();
+			}
+		}
+	}
+	public Object Invk(GfsCtx ctx, int ikey, String k, GfoMsg m) {
+		if		(ctx.Match(k, Invk_run))		Run();
+		else	return GfoInvkAble_.Rv_unhandled;
+		return this;
+	}	private static final String Invk_run = "run";
+}