| <?xml version="1.0"?> |
| <!-- |
| * 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. |
| --> |
| <!-- |
| This document is an example of using history in parallel |
| --> |
| <scxml xmlns="http://www.w3.org/2005/07/scxml" version="1.0" datamodel="jexl" |
| initial="off_call"> |
| |
| <state id="off_call"> |
| <transition event="dial" target="call_active"/> |
| </state> |
| |
| <parallel id="call_active"> |
| |
| <state id="talk_status" initial="talking"> |
| <state id="talking"> |
| <transition event="hold" target="held" /> |
| </state> |
| <state id="held"> |
| <transition event="retrieve" target="talking" /> |
| </state> |
| </state> |
| |
| <state id="call_status" initial="on_call"> |
| <state id="on_call"> |
| <transition event="hangup" target="off_call"/> |
| <transition event="consult" target="consult_active"/> |
| </state> |
| <state id="on_call_consult"> |
| <transition event="hangup" target="off_call"/> |
| <transition event="alternate" target="resume_consult"/> |
| </state> |
| </state> |
| |
| <history id="resume_call" type="deep"> |
| <transition target="talk_status call_status"/> |
| </history> |
| |
| </parallel> |
| |
| <parallel id="consult_active"> |
| |
| <state id="consult_talk_status" initial="consult_talking"> |
| <state id="consult_talking"> |
| <transition event="hold" target="consult_held" /> |
| </state> |
| <state id="consult_held"> |
| <transition event="retrieve" target="consult_talking" /> |
| </state> |
| </state> |
| |
| <state id="consult_status" initial="on_consult"> |
| <state id="on_consult"> |
| <transition event="hangup" target="resume_call"/> |
| <transition event="alternate" target="resume_call"/> |
| </state> |
| </state> |
| |
| <history id="resume_consult" type="deep"> |
| <transition target="consult_talk_status consult_status"/> |
| </history> |
| |
| </parallel> |
| |
| </scxml> |