annotate src/main/gov/nasa/jpf/JPFShell.java @ 0:61d41facf527

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author Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
date Fri, 23 Jan 2015 10:14:01 -0800
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1 /*
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2 * Copyright (C) 2014, United States Government, as represented by the
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
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3 * Administrator of the National Aeronautics and Space Administration.
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
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4 * All rights reserved.
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5 *
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6 * The Java Pathfinder core (jpf-core) platform is licensed under the
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7 * Apache License, Version 2.0 (the "License"); you may not use this file except
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8 * in compliance with the License. You may obtain a copy of the License at
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9 *
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10 * http://www.apache.org/licenses/LICENSE-2.0.
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11 *
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
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12 * Unless required by applicable law or agreed to in writing, software
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
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13 * distributed under the License is distributed on an "AS IS" BASIS,
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
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14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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15 * See the License for the specific language governing permissions and
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16 * limitations under the License.
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17 */
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18
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19 package gov.nasa.jpf;
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20
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21 /**
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22 * type that can be used to instantiate and run a JPF object
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23 * Shell objects can be configured via the JPF 'shell' property, and are
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24 * typically JPF user interface implementations
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25 *
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26 * Instantiation and start() call are done from the JPF.main() method
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27 *
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28 * Usually, JPFShell implementors have a <init>(Config) ctor so that they
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29 * don't need to obtain a new Config object. This is the reason for
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30 * using a shell *instance* instead of a static main() method - we cannot
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31 * pass the Config object that was already created by JPF.main() at this point
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32 * into the shell main(), which means we would either have to turn Config
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33 * into a singleton (causing problems for multiple JPF runs), or create a new
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34 * Config object within the shell. Since initialization of Config objects is
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35 * an expensive task with our new bootstrapping, it seems better to pass the
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36 * Config object from JPF.main() (which is done automatically when using
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37 * Config based initialization)
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38 */
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39 public interface JPFShell {
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40
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41 void start(String[] args);
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42 }