Classes in this File | Line Coverage | Branch Coverage | Complexity | |||||||
ErrorConstants |
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| 1.0;1 |
1 | /* |
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2 | * Licensed to the Apache Software Foundation (ASF) under one or more |
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3 | * contributor license agreements. See the NOTICE file distributed with |
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4 | * this work for additional information regarding copyright ownership. |
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5 | * The ASF licenses this file to You under the Apache License, Version 2.0 |
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6 | * (the "License"); you may not use this file except in compliance with |
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7 | * the License. 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 | package org.apache.commons.scxml.semantics; |
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18 | ||
19 | /** |
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20 | * Errors reported by the default SCXMLSemantics implementation. |
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21 | * |
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22 | */ |
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23 | public class ErrorConstants { |
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24 | ||
25 | /** |
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26 | * Missing initial state for a composite state or for the scxml root. |
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27 | * |
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28 | * @see org.apache.commons.scxml.model.SCXML#getInitialState() |
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29 | * @see org.apache.commons.scxml.model.State#getInitial() |
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30 | */ |
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31 | public static final String NO_INITIAL = "NO_INITIAL"; |
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32 | ||
33 | /** |
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34 | * An initial state for a composite state whose Transition does not. |
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35 | * Map to a descendant of the composite state. |
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36 | * |
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37 | */ |
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38 | public static final String ILLEGAL_INITIAL = "ILLEGAL_INITIAL"; |
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39 | ||
40 | /** |
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41 | * Unknown action - unsupported executable content. List of supported. |
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42 | * actions: assign, cancel, elseif, else, if, log, send, var |
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43 | */ |
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44 | public static final String UNKNOWN_ACTION = "UNKNOWN_ACTION"; |
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45 | ||
46 | /** |
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47 | * Illegal state machine configuration. |
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48 | * Either a parallel exists which does not have all its AND sub-states |
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49 | * active or there are multiple enabled OR states on the same level. |
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50 | */ |
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51 | public static final String ILLEGAL_CONFIG = "ILLEGAL_CONFIG"; |
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52 | ||
53 | /** |
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54 | * Non-deterministic situation has occured - there are more than |
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55 | * one enabled transitions in conflict. |
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56 | */ |
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57 | public static final String NON_DETERMINISTIC = "NON_DETERMINISTIC"; |
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58 | ||
59 | /** |
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60 | * A variable referred to by assign name attribute is undefined. |
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61 | */ |
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62 | public static final String UNDEFINED_VARIABLE = "UNDEFINED_VARIABLE"; |
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63 | ||
64 | /** |
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65 | * An expression language error. |
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66 | */ |
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67 | public static final String EXPRESSION_ERROR = "EXPRESSION_ERROR"; |
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68 | ||
69 | //---------------------------------------------- STATIC CONSTANTS ONLY |
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70 | ||
71 | /** |
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72 | * Discourage instantiation. |
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73 | */ |
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74 | private ErrorConstants() { |
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75 | 0 | super(); // humor checkstyle |
76 | 0 | } |
77 | ||
78 | } |