| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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 org.apache.commons.scxml2.semantics; |
| |
| /** |
| * Errors reported by the default SCXMLSemantics implementation. |
| * |
| */ |
| public class ErrorConstants { |
| |
| /** |
| * Missing initial state for a composite state or for the scxml root. |
| * |
| * @see org.apache.commons.scxml2.model.SCXML#getInitialTransition() |
| * @see org.apache.commons.scxml2.model.State#getInitial() |
| */ |
| public static final String NO_INITIAL = "NO_INITIAL"; |
| |
| /** |
| * An initial state for a composite state whose Transition does not. |
| * Map to a descendant of the composite state. |
| * |
| */ |
| public static final String ILLEGAL_INITIAL = "ILLEGAL_INITIAL"; |
| |
| /** |
| * Unknown action - unsupported executable content. List of supported. |
| * actions: assign, cancel, elseif, else, if, log, send, var |
| */ |
| public static final String UNKNOWN_ACTION = "UNKNOWN_ACTION"; |
| |
| /** |
| * Illegal state machine configuration. |
| * Either a parallel exists which does not have all its AND sub-states |
| * active or there are multiple enabled OR states on the same level. |
| */ |
| public static final String ILLEGAL_CONFIG = "ILLEGAL_CONFIG"; |
| |
| /** |
| * A variable referred to by assign name attribute is undefined. |
| */ |
| public static final String UNDEFINED_VARIABLE = "UNDEFINED_VARIABLE"; |
| |
| /** |
| * An expression language error. |
| */ |
| public static final String EXPRESSION_ERROR = "EXPRESSION_ERROR"; |
| |
| /** |
| * An execution error. |
| */ |
| public static final String EXECUTION_ERROR = "EXECUTION_ERROR"; |
| |
| //---------------------------------------------- STATIC CONSTANTS ONLY |
| |
| /** |
| * Discourage instantiation. |
| */ |
| private ErrorConstants() { |
| super(); // humor checkstyle |
| } |
| |
| } |