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<?xml version="1.0"?>
<scxml xmlns="http://www.w3.org/2005/07/scxml"
version="1.0"
datamodel="ecmascript"
initial="off">
<!-- trivial 5 second microwave oven example -->
<datamodel>
<data id="cook_time" expr="5"/>
<data id="door_closed" expr="true"/>
<data id="timer" expr="0"/>
</datamodel>
<state id="off">
<!-- off state -->
<transition event="turn.on" target="on"/>
</state>
<state id="on">
<initial>
<transition target="idle"/>
</initial>
<!-- on/pause state -->
<transition event="turn.off" target="off"/>
<transition cond="timer >= cook_time" target="off"/>
<state id="idle">
<!-- default immediate transition if door is shut -->
<transition cond="door_closed" target="cooking"/>
<transition event="door.close" target="cooking">
<assign location="door_closed" expr="true"/>
<!-- start cooking -->
</transition>
</state>
<state id="cooking">
<transition event="door.open" target="idle">
<assign location="door_closed" expr="false"/>
</transition>
<!-- a 'time' event is seen once a second -->
<transition event="time">
<assign location="timer" expr="timer + 1"/>
</transition>
</state>
</state>
</scxml>
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