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authorNeo2003 <none@none>2008-10-02 16:23:55 -0500
committerNeo2003 <none@none>2008-10-02 16:23:55 -0500
commit9b1c0e006f20091f28f3f468cfcab1feb51286bd (patch)
treeb5d1ba94a656e6679f8737f9ea6bed1239b73b14 /dep/include/zthread/SynchronousExecutor.h
[svn] * Proper SVN structureinit
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+/*
+ * Copyright (c) 2005, Eric Crahen
+ *
+ * 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.
+ *
+ */
+
+#ifndef __ZTSYNCHRONOUSEXECUTOR_H__
+#define __ZTSYNCHRONOUSEXECUTOR_H__
+
+#include "zthread/Executor.h"
+#include "zthread/Guard.h"
+#include "zthread/Mutex.h"
+#include "zthread/Thread.h"
+
+namespace ZThread {
+
+ /**
+ * @class SynchronousExecutor
+ *
+ * @author Eric Crahen <http://www.code-foo.com>
+ * @date <2003-07-16T22:33:51-0400>
+ * @version 2.3.0
+ *
+ * A SynchronousExecutor is an Executor which runs tasks using the thread that
+ * submits the task. It runs tasks serially, one at a time, in the order they
+ * were submitted to the executor.
+ *
+ * @see Executor.
+ */
+ class SynchronousExecutor : public Executor {
+
+ //! Serialize access
+ Mutex _lock;
+
+ //! Cancellation flag
+ bool _canceled;
+
+ public:
+
+ //! Create a new SynchronousExecutor
+ SynchronousExecutor();
+
+ //! Destroy a SynchronousExecutor
+ virtual ~SynchronousExecutor();
+
+ /**
+ * This operation is not supported by this executor.
+ */
+ virtual void interrupt();
+
+ /**
+ * Submit a task to this Executor, blocking the calling thread until the
+ * task is executed.
+ *
+ * @param task Task to be run by a thread managed by this executor
+ *
+ * @pre The Executor should have been canceled prior to this invocation.
+ * @post The submitted task will be run at some point in the future by this Executor.
+ *
+ * @exception Cancellation_Exception thrown if the Executor was canceled prior to
+ * the invocation of this function.
+ *
+ * @see Executor::execute(const Task& task)
+ */
+ virtual void execute(const Task& task);
+
+ /**
+ * @see Cancelable::cancel()
+ */
+ virtual void cancel();
+
+ /**
+ * @see Cancelable::cancel()
+ */
+ virtual bool isCanceled();
+
+ /**
+ * Block the calling thread until all tasks submitted prior to this invocation
+ * complete.
+ *
+ * @exception Interrupted_Exception thrown if the calling thread is interrupted
+ * before the set of tasks being wait for can complete.
+ *
+ * @see Executor::wait()
+ */
+ virtual void wait();
+
+ /**
+ * Block the calling thread until all tasks submitted prior to this invocation
+ * complete or until the calling thread is interrupted.
+ *
+ * @param timeout - maximum amount of time, in milliseconds, to wait for the
+ * currently submitted set of Tasks to complete.
+ *
+ * @exception Interrupted_Exception thrown if the calling thread is interrupted
+ * before the set of tasks being wait for can complete.
+ *
+ * @return
+ * - <em>true</em> if the set of tasks being wait for complete before
+ * <i>timeout</i> milliseconds elapse.
+ * - <em>false</em> othewise.
+ */
+ virtual bool wait(unsigned long timeout);
+
+
+ }; /* SynchronousExecutor */
+
+} // namespace ZThread
+
+#endif // __ZTSYNCHRONOUSEXECUTOR_H__