| /* |
| * 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; |
| |
| /** |
| * The SCXML I/O Processor provides the interface for either an internal process or an external system or invoked child |
| * SCXML process ({@link org.apache.commons.scxml2.invoke.Invoker}) to send events into the SCXML processor queue. |
| */ |
| public interface SCXMLIOProcessor { |
| |
| /** |
| * The name of the default SCXML I/O Event Processor |
| */ |
| String DEFAULT_EVENT_PROCESSOR = "http://www.w3.org/TR/scxml/#SCXMLEventProcessor"; |
| |
| /** |
| * Prefix for SCXML I/O Event Processor aliases |
| */ |
| String EVENT_PROCESSOR_ALIAS_PREFIX = "#_"; |
| |
| /** |
| * Default SCXML I/O Event Processor alias |
| */ |
| String SCXML_EVENT_PROCESSOR = "scxml"; |
| |
| /** |
| * Prefix for SCXML I/O (own) Session external Event processor |
| */ |
| String SCXML_SESSION_EVENT_PROCESSOR_PREFIX = EVENT_PROCESSOR_ALIAS_PREFIX + "scxml_"; |
| |
| /** |
| * The name of the internal Event Processor |
| */ |
| String INTERNAL_EVENT_PROCESSOR = EVENT_PROCESSOR_ALIAS_PREFIX + "internal"; |
| |
| /** |
| * The name of the parent Event Processor |
| */ |
| String PARENT_EVENT_PROCESSOR = EVENT_PROCESSOR_ALIAS_PREFIX + "parent"; |
| |
| /** |
| * Send an event into the SCXML processor queue |
| * <p> |
| * @param event the event to send |
| */ |
| void addEvent(TriggerEvent event); |
| } |