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

<?xml version="1.0"?>
<!--
   Copyright 2005 The Apache Software Foundation

   Licensed 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"
       initialstate="ten">

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

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

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

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

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

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

    </state>

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

        <parallel id="thirties_parallel">

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

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

                <state id="thirty_one_child_one">
                    <onexit>
                        <log expr="'Exiting thirty_one_child_one'" />
                    </onexit>
                    <transition event="thirty_one_child_one.done">
                        <target next="thirty_one_child_two"/>
                    </transition>
                </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 next="thirty_two_child_one"/>
                    </transition>
                </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="thirty_two_child_one.done">
                        <target next="thirty_two_child_two"/>
                    </transition>
                </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 next="thirty_three_child_one"/>
                    </transition>
                </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="thirty_three_child_one.done">
                        <target next="thirty_three_child_two"/>
                    </transition>
                </state>

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

            </state>

        </parallel>

    </state>

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

</scxml>