history4.scxml

<?xml version="1.0" encoding="UTF-8"?>
<!--
   Copyright 2011-2012 Jacob Beard, INFICON, and other SCION contributors

   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.
-->
<!--
     illustrates both deep and shallow history, working in both AND and OR states
-->
<scxml 
    datamodel="ecmascript"
    xmlns="http://www.w3.org/2005/07/scxml"
    version="1.0"
    initial="a">


    <state id="a">
        <transition target="p" event="t1"/>
        <transition target="p" event="t6"/>
        <transition target="hp" event="t9"/>
    </state>

    <parallel id="p">
        <history id="hp" type="deep">
            <transition target="b"/>
        </history>

        <state id="b" initial="hb">

            <history id="hb" type="deep">
                <transition target="b1"/>
            </history>

            <state id="b1" initial="b1.1">
                <state id="b1.1">
                    <transition target="b1.2" event="t2"/>
                </state>

                <state id="b1.2">
                    <transition target="b2" event="t3"/>
                </state>
            </state>

            <state id="b2" initial="b2.1">
                <state id="b2.1">
                    <transition target="b2.2" event="t4"/>
                </state>

                <state id="b2.2">
                    <transition target="a" event="t5"/>
                    <transition target="a" event="t8"/>
                </state>
            </state>
        </state>

        <state id="c" initial="hc">

            <history id="hc" type="shallow">
                <transition target="c1"/>
            </history>

            <state id="c1" initial="c1.1">
                <state id="c1.1">
                    <transition target="c1.2" event="t2"/>
                </state>

                <state id="c1.2">
                    <transition target="c2" event="t3"/>
                </state>
            </state>

            <state id="c2" initial="c2.1">
                <state id="c2.1">
                    <transition target="c2.2" event="t4"/>
                    <transition target="c2.2" event="t7"/>
                </state>

                <state id="c2.2">
                </state>
            </state>
        </state>
    </parallel>
</scxml>