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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 __ZTCONCURRENTEXECUTOR_H__
-#define __ZTCONCURRENTEXECUTOR_H__
-
-#include "zthread/PoolExecutor.h"
-
-namespace ZThread {
-
- /**
- * @class ConcurrentExecutor
- *
- * @author Eric Crahen <http://www.code-foo.com>
- * @date <2003-07-16T22:36:11-0400>
- * @version 2.3.0
- *
- * A ConcurrentExecutor spawns a single thread to service a series of Tasks.
- *
- * @see PoolExecutor.
- */
- class ConcurrentExecutor : public Executor {
-
- PoolExecutor _executor;
-
- public:
-
- //! Create a ConcurrentExecutor
- ConcurrentExecutor();
-
- /**
- * Interrupting a ConcurrentExecutor will cause the thread running the tasks to be
- * be interrupted once during the execution of each task that has been submitted
- * at the time this function is called.
- *
- * Tasks that are submitted after this function is called will
- * not be interrupt()ed; unless this function is invoked again().
- *
- * @code
- *
- * void aFunction() {
- *
- * ConcurrentExecutor executor;
- *
- * // Submit p Tasks
- * for(size_t n = 0; n < p; n++)
- * executor.execute(new aRunnable);
- *
- * // Tasks [m, p) may be interrupted, where m is the first task that has
- * // not completed at the time the interrupt() is invoked.
- * executor.interrupt();
- *
- * // Submit (q - p) Tasks
- * for(size_t n = p; n < q; n++)
- * executor.execute(new Chore);
- *
- * // Tasks [p, q) are not interrupted
- *
- * }
- *
- * @endcode
- */
- virtual void interrupt();
-
- /**
- * Submit a Task to this Executor. This will not block the current thread
- * for very long. The task will be enqueued internally and eventually run
- * in the context of the single thread driving all the Tasks submitted to this
- * Executor.
- *
- * @exception Cancellation_Exception thrown if this Executor has been canceled.
- * The Task being submitted will not be executed by this Executor.
- *
- * @exception Synchronization_Exception thrown only in the event of an error
- * in the implementation of the library.
- *
- * @see Executor::execute(const Task&)
- */
- virtual void execute(const Task&);
-
- /**
- * @see Cancelable::cancel()
- */
- virtual void cancel();
-
- /**
- * @see Cancelable::isCanceled()
- */
- virtual bool isCanceled();
-
- /**
- * @see PoolExecutor::wait()
- */
- virtual void wait();
-
- /**
- * @see PoolExecutor::wait(unsigned long timeout)
- */
- virtual bool wait(unsigned long timeout);
-
- }; /* ConcurrentExecutor */
-
-} // namespace ZThread
-
-#endif // __ZTCONCURRENTEXECUTOR_H__
-