src/test/java/org/apache/commons/scxml2/transitions-01.xml

<?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.
-->
<scxml xmlns="http://www.w3.org/2005/07/scxml"
       version="1.0"
       datamodel="jexl"
       initial="ten">

    <!-- Start with a simple state -->
    <state id="ten">
        <transition event="done.state.ten" target="twenty" />
    </state>

    <!-- Follow up with a composite state -->
    <state id="twenty">

        <initial>
            <transition target="twenty_one"/>
        </initial>

        <onentry>
            <log expr="'In twenty'" />
        </onentry>

        <state id="twenty_one">
            <transition event="done.state.twenty_one" target="twenty_two"/>
        </state>

        <state id="twenty_two">
            <transition event="done.state.twenty_two" target="thirty"/>
        </state>

    </state>

    <!-- Finally, try an orthogonal state -->
    <parallel id="thirty">

        <!-- The first (of three) regions in thirties_parallel -->
        <state id="thirty_one">

            <initial>
                <transition target="thirty_one_child_one"/>
            </initial>
            <onentry>
                <log expr="'Entering thirty_one'" />
            </onentry>
            <transition event="done.state.thirty_one" target="forty"/>

            <state id="thirty_one_child_one">
                <onexit>
                    <log expr="'Exiting thirty_one_child_one'" />
                </onexit>
                <transition event="done.state.thirty_one_child_one"
                            target="thirty_one_child_two"/>
            </state>

            <state id="thirty_one_child_two">
                <onexit>
                    <log expr="'Exiting thirty_one_child_two'" />
                </onexit>
            </state>

        </state>

        <!-- The second (of three) regions in thirties_parallel -->
        <state id="thirty_two">

            <initial>
                <transition target="thirty_two_child_one"/>
            </initial>
            <onentry>
                <log expr="'Entering thirty_two'" />
            </onentry>

            <state id="thirty_two_child_one">
                <onexit>
                    <log expr="'Exiting thirty_two_child_one'" />
                </onexit>
                <transition event="done.state.thirty_two_child_one"
                            target="thirty_two_child_two"/>
            </state>

            <state id="thirty_two_child_two">
                <onexit>
                    <log expr="'Exiting thirty_two_child_two'" />
                </onexit>
            </state>

        </state>

        <!-- The third (of three) regions in thirties_parallel -->
        <state id="thirty_three">

            <initial>
                <transition target="thirty_three_child_one"/>
            </initial>
            <onentry>
                <log expr="'Entering thirty_three'" />
            </onentry>

            <state id="thirty_three_child_one">
                <onexit>
                    <log expr="'Exiting thirty_three_child_one'" />
                </onexit>
                <transition event="done.state.thirty_three_child_one"
                            target="thirty_three_child_two"/>
            </state>

            <state id="thirty_three_child_two">
                <onexit>
                    <log expr="'Exiting thirty_three_child_two'" />
                </onexit>
            </state>

        </state>

    </parallel>

    <!-- Declare victory -->
    <final id="forty"/>

</scxml>