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<?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 specifying default transitions for
   history states (if the parent state has never been visited before)
-->
<scxml xmlns="http://www.w3.org/2005/07/scxml" version="1.0"
       initialstate="state1">

    <state id="state1">
        <initial>
            <transition target="history1"/>
        </initial>

        <!-- shallow history, explicit default transition -->

        <history id="history1">
            <transition next="state11"/>
        </history>

        <state id="state11">
            <transition event="state.next" target="state2"/>
        </state>

    </state>

    <state id="state2">
        <initial>
            <transition target="history2"/>
        </initial>

        <!-- deep history, explicit default transition -->

        <history id="history2" type="deep">
            <transition next="state211"/>
        </history>

        <state id="state21">

            <initial>
                <transition target="state212"/>
            </initial>

            <state id="state211">
                <transition event="state.next" target="history3"/>
            </state>

            <state id="state212">
                <transition event="state.next" target="history3"/>
            </state>

        </state>

    </state>

    <state id="state3">

        <initial>
            <transition target="state31"/>
        </initial>

        <!-- shallow history, no default transition specified,
             reuse initial as default transition -->

        <history id="history3"/>

        <state id="state31">
                <transition event="state.next" target="state4"/>
        </state>
        
    </state>

    <state id="state4" final="true"/>

</scxml>