src/test/java/org/apache/commons/scxml2/model/assign-test-02.xml

<?xml version="1.0"?>
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   *
   *     http://www.apache.org/licenses/LICENSE-2.0
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<scxml xmlns="http://www.w3.org/2005/07/scxml" version="1.0"  datamodel="jexl" initial="assign1">
   <datamodel>
       <data id="source">{ "foo" : { "a" : 1, "b" : 2 } }</data>
       <data id="destination">{ "bar" : { "a" : 3, "b" : 4 } }</data>
   </datamodel>
   <!-- verify the destination contents -->
   <state id="assign1">
       <transition cond="destination.bar.a eq 3 and destination.bar.b eq 4" target="assign2" />
   </state>
   <!-- copy the new contents and verify -->
   <state id="assign2">
       <onentry>
           <assign location="destination.bar" expr="source.foo" />
       </onentry>
       <transition cond="destination.bar.a eq 1 and destination.bar.b eq 2" target="assign3" />
   </state>
   <final id="assign3"/>
</scxml>