AnotherFSMState Machines for Java
src_examples/net/sourceforge/anotherfsm/examples/timeouts/package-info.java/* * Copyright 2013 Michal Turek, AnotherFSM * * http://anotherfsm.sourceforge.net/ * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ /** * The example defines a simple state machine with <em>connected</em> and * <em>disconnected</em> states. The transitions are done on incoming user * defined and timeout events. * * <h3>Classes and files</h3> * * <ul> * <li>{@link net.sourceforge.anotherfsm.examples.timeouts.ConnectionStateEvent} * User defined event that causes the transitions.</li> * * <li>TimeoutConnection.fsm * Qfsm data file, the painted diagram.</li> * <li>TimeoutConnection.xml * Code generator configuration file.</li> * <li>generate.sh * Shell script to execute code generator and generate the files.</li> * * <li>{@link net.sourceforge.anotherfsm.examples.timeouts.TimeoutConnectionFsm} * Defines structure of the state machine, generated file.</li> * <li>{@link net.sourceforge.anotherfsm.examples.timeouts.TimeoutConnectionProcessor} * Defines listeners for the transitions, generated file.</li> * * <li>{@link net.sourceforge.anotherfsm.examples.timeouts.Timeouts} * Defines main() method, passes data to the state machine.</li> * </ul> * * @author Michal Turek */ package net.sourceforge.anotherfsm.examples.timeouts;
src_examples/net/sourceforge/anotherfsm/examples/timeouts/ConnectionStateEvent.java/* * Copyright 2013 Michal Turek, AnotherFSM * * http://anotherfsm.sourceforge.net/ * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package net.sourceforge.anotherfsm.examples.timeouts; import net.sourceforge.anotherfsm.Event; /** * Connection state event. * * @author Michal Turek */ public class ConnectionStateEvent implements Event { /** Predefined instance. */ public static final ConnectionStateEvent instanceCONNECT = new ConnectionStateEvent( ConnectionStateEvent.ConnectionState.CONNECT); /** Predefined instance. */ public static final ConnectionStateEvent instanceDISCONNECT = new ConnectionStateEvent( ConnectionStateEvent.ConnectionState.DISCONNECT); /** The state. */ private final ConnectionStateEvent.ConnectionState state; /** * Create the object. * * @param state * the state */ public ConnectionStateEvent(ConnectionStateEvent.ConnectionState state) { this.state = state; } /** * Get the state. * * @return the state */ public ConnectionStateEvent.ConnectionState getState() { return state; } @Override public int hashCode() { return 86543221 + state.hashCode(); } @Override public boolean equals(Object obj) { if (this == obj) return true; if (!(obj instanceof ConnectionStateEvent)) return false; ConnectionStateEvent other = (ConnectionStateEvent) obj; return state.equals(other.state); } @Override public String toString() { return getClass().getSimpleName() + "(" + state + ")"; } /** * The connection state. * * @author Michal Turek */ public static enum ConnectionState { CONNECT, DISCONNECT } }
src_examples/net/sourceforge/anotherfsm/examples/timeouts/Timeouts.java/* * Copyright 2013 Michal Turek, AnotherFSM * * http://anotherfsm.sourceforge.net/ * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package net.sourceforge.anotherfsm.examples.timeouts; import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.Locale; import net.sourceforge.anotherfsm.AnotherFsm; import net.sourceforge.anotherfsm.FsmException; import net.sourceforge.anotherfsm.StateMachine; import net.sourceforge.anotherfsm.logger.FsmLogger; import net.sourceforge.anotherfsm.logger.StdStreamLoggerFactory; /** * The main class, simple parser of user connect/disconnect commands. * * @author Michal Turek */ public class Timeouts { static { // Register factory of loggers before any logger is created AnotherFsm.setLoggerFactory(new StdStreamLoggerFactory()); } /** The logger object for this class. */ private final static FsmLogger logger = AnotherFsm .getLogger(Timeouts.class); /** * The application start function. * * @param args * the input arguments, unused */ public static void main(String[] args) { // Create the state machine with timeouts try (StateMachine machine = new TimeoutConnectionProcessor( Timeouts.class.getSimpleName())) { BufferedReader in = new BufferedReader(new InputStreamReader( System.in, "UTF-8")); // Building done in the constructor, prepare for events processing machine.start(); while (true) { logger.info("Type a command: [exit|connect|disconnect]"); // Ignore empty commands (enter presses) String command = null; while (command == null || command.isEmpty()) command = in.readLine(); // Exit on 'exit' command if ("exit".equals(command)) { logger.info("Exiting..."); break; } // Create the event ConnectionStateEvent.ConnectionState state = null; try { state = ConnectionStateEvent.ConnectionState .valueOf(command.toUpperCase(Locale.ENGLISH)); } catch (IllegalArgumentException e) { logger.error("Unknown command: " + command); continue; } // Process the event machine.process(new ConnectionStateEvent(state)); } } catch (FsmException | IOException e) { // Process any exception that may occur logger.fatal("Unexpected exception occurred", e); } logger.debug("End of main()"); } }
2013-03-17 17:54:50,904 [main] INFO TimeoutConnectionProcessor.Timeouts - Transition started: @INITIAL@ -> StartEvent -> disconnected 2013-03-17 17:54:50,906 [main] INFO TimeoutConnectionProcessor.Timeouts - Transition finished: @INITIAL@ -> StartEvent -> disconnected 2013-03-17 17:54:50,907 [main] INFO Timeouts - Type a command: [exit|connect|disconnect] disconnect 2013-03-17 17:54:54,638 [main] INFO TimeoutConnectionProcessor.Timeouts - Transition started: disconnected -> ConnectionStateEvent(DISCONNECT) -> disconnected 2013-03-17 17:54:54,639 [main] INFO TimeoutConnectionProcessor.Timeouts - No action 2013-03-17 17:54:54,639 [main] INFO TimeoutConnectionProcessor.Timeouts - Transition finished: disconnected -> ConnectionStateEvent(DISCONNECT) -> disconnected 2013-03-17 17:54:54,640 [main] INFO Timeouts - Type a command: [exit|connect|disconnect] connect 2013-03-17 17:55:00,453 [main] INFO TimeoutConnectionProcessor.Timeouts - Transition started: disconnected -> ConnectionStateEvent(CONNECT) -> connected 2013-03-17 17:55:00,454 [main] INFO TimeoutConnectionProcessor.Timeouts - Connected 2013-03-17 17:55:00,454 [main] INFO TimeoutConnectionProcessor.Timeouts - Transition finished: disconnected -> ConnectionStateEvent(CONNECT) -> connected 2013-03-17 17:55:00,455 [main] INFO Timeouts - Type a command: [exit|connect|disconnect] connect 2013-03-17 17:55:02,710 [main] INFO TimeoutConnectionProcessor.Timeouts - Transition started: connected -> ConnectionStateEvent(CONNECT) -> connected 2013-03-17 17:55:02,710 [main] INFO TimeoutConnectionProcessor.Timeouts - No action 2013-03-17 17:55:02,711 [main] INFO TimeoutConnectionProcessor.Timeouts - Transition finished: connected -> ConnectionStateEvent(CONNECT) -> connected 2013-03-17 17:55:02,711 [main] INFO Timeouts - Type a command: [exit|connect|disconnect] 2013-03-17 17:55:10,454 [TimeoutConnectionProcessor.Timeouts] INFO TimeoutConnectionProcessor.Timeouts - Transition started: connected -> TimeoutEvent(LOOP_NO_RESTART, 10000) -> disconnected 2013-03-17 17:55:10,455 [TimeoutConnectionProcessor.Timeouts] INFO TimeoutConnectionProcessor.Timeouts - Time for connection expired 2013-03-17 17:55:10,456 [TimeoutConnectionProcessor.Timeouts] INFO TimeoutConnectionProcessor.Timeouts - Transition finished: connected -> TimeoutEvent(LOOP_NO_RESTART, 10000) -> disconnected connect 2013-03-17 17:55:13,320 [main] INFO TimeoutConnectionProcessor.Timeouts - Transition started: disconnected -> ConnectionStateEvent(CONNECT) -> connected 2013-03-17 17:55:13,320 [main] INFO TimeoutConnectionProcessor.Timeouts - Connected 2013-03-17 17:55:13,321 [main] INFO TimeoutConnectionProcessor.Timeouts - Transition finished: disconnected -> ConnectionStateEvent(CONNECT) -> connected 2013-03-17 17:55:13,321 [main] INFO Timeouts - Type a command: [exit|connect|disconnect] disconnect 2013-03-17 17:55:17,369 [main] INFO TimeoutConnectionProcessor.Timeouts - Transition started: connected -> ConnectionStateEvent(DISCONNECT) -> disconnected 2013-03-17 17:55:17,370 [main] INFO TimeoutConnectionProcessor.Timeouts - Disconnected 2013-03-17 17:55:17,370 [main] INFO TimeoutConnectionProcessor.Timeouts - Transition finished: connected -> ConnectionStateEvent(DISCONNECT) -> disconnected 2013-03-17 17:55:17,371 [main] INFO Timeouts - Type a command: [exit|connect|disconnect] 2013-03-17 17:55:27,370 [TimeoutConnectionProcessor.Timeouts] INFO TimeoutConnectionProcessor.Timeouts - Transition started: disconnected -> TimeoutEvent(LOOP_RESTART, 10000) -> disconnected 2013-03-17 17:55:27,371 [TimeoutConnectionProcessor.Timeouts] INFO TimeoutConnectionProcessor.Timeouts - Nobody is connected 2013-03-17 17:55:27,371 [TimeoutConnectionProcessor.Timeouts] INFO TimeoutConnectionProcessor.Timeouts - Transition finished: disconnected -> TimeoutEvent(LOOP_RESTART, 10000) -> disconnected not defined 2013-03-17 17:55:31,012 [main] INFO Timeouts - Type a command: [exit|connect|disconnect] 2013-03-17 17:55:31,011 [main] ERROR Timeouts - Unknown command: not defined 2013-03-17 17:55:37,371 [TimeoutConnectionProcessor.Timeouts] INFO TimeoutConnectionProcessor.Timeouts - Transition started: disconnected -> TimeoutEvent(LOOP_RESTART, 10000) -> disconnected 2013-03-17 17:55:37,372 [TimeoutConnectionProcessor.Timeouts] INFO TimeoutConnectionProcessor.Timeouts - Nobody is connected 2013-03-17 17:55:37,372 [TimeoutConnectionProcessor.Timeouts] INFO TimeoutConnectionProcessor.Timeouts - Transition finished: disconnected -> TimeoutEvent(LOOP_RESTART, 10000) -> disconnected exit 2013-03-17 17:55:40,066 [main] INFO Timeouts - Exiting... 2013-03-17 17:55:40,067 [main] DEBUG Timeouts - End of main()