Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||||
ErrorReporter |
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| 1.0;1 |
1 | /* |
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2 | * |
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3 | * Copyright 2005 The Apache Software Foundation. |
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4 | * |
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5 | * Licensed under the Apache License, Version 2.0 (the "License"); |
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6 | * you may not use this file except in compliance with the License. |
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7 | * You may obtain a copy of the License at |
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8 | * |
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9 | * http://www.apache.org/licenses/LICENSE-2.0 |
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10 | * |
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11 | * Unless required by applicable law or agreed to in writing, software |
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12 | * distributed under the License is distributed on an "AS IS" BASIS, |
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13 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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14 | * See the License for the specific language governing permissions and |
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15 | * limitations under the License. |
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16 | * |
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17 | */ |
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18 | package org.apache.commons.scxml; |
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19 | ||
20 | /** |
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21 | * An interface for reporting SCXML errors to the host environment, |
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22 | * containing the definition of commonly occuring errors while executing |
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23 | * SCXML documents. |
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24 | * |
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25 | */ |
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26 | public interface ErrorReporter { |
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27 | ||
28 | /** |
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29 | * Handler for reporting an error. |
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30 | * |
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31 | * @param errCode |
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32 | * one of the ErrorReporter's constants |
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33 | * @param errDetail |
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34 | * human readable description |
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35 | * @param errCtx |
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36 | * typically an SCXML element which caused an error, |
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37 | * may be accompanied by additional information |
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38 | */ |
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39 | void onError(String errCode, String errDetail, Object errCtx); |
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40 | ||
41 | /** |
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42 | * Missing initial state for a composite state or for the smxml root. |
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43 | * |
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44 | * @see org.apache.commons.scxml.model.SCXML#getInitialState() |
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45 | * @see org.apache.commons.scxml.model.State#getInitial() |
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46 | */ |
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47 | String NO_INITIAL = "NO_INITIAL"; |
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48 | ||
49 | /** |
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50 | * An initial state for a composite state whose Transition does not. |
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51 | * Map to a descendant of the composite state. |
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52 | * |
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53 | */ |
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54 | String ILLEGAL_INITIAL = "ILLEGAL_INITIAL"; |
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55 | ||
56 | /** |
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57 | * Unknown action - unsupported executable content. List of supported. |
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58 | * actions: assign, cancel, elseif, else, if, log, send, var |
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59 | */ |
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60 | String UNKNOWN_ACTION = "UNKNOWN_ACTION"; |
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61 | ||
62 | /** |
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63 | * Illegal state machine configuration. |
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64 | * Either a parallel exists which does not have all its AND sub-states |
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65 | * active or there are multiple enabled OR states on the same level. |
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66 | */ |
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67 | String ILLEGAL_CONFIG = "ILLEGAL_CONFIG"; |
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68 | ||
69 | /** |
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70 | * Non-deterministic situation has occured - there are more than |
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71 | * one enabled transitions in conflict. |
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72 | */ |
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73 | String NON_DETERMINISTIC = "NON_DETERMINISTIC"; |
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74 | ||
75 | /** |
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76 | * A variable referred to by assign name attribute is undefined. |
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77 | */ |
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78 | String UNDEFINED_VARIABLE = "UNDEFINED_VARIABLE"; |
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79 | ||
80 | /** |
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81 | * An expression language error. |
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82 | */ |
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83 | String EXPRESSION_ERROR = "EXPRESSION_ERROR"; |
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84 | ||
85 | } |