plugins/org.eclipse.tigerstripe.annotation.example.person.validators/plugin.xml

<?xml version="1.0" encoding="UTF-8"?>
<?eclipse version="3.2"?>
<plugin>

   <extension
         point="org.eclipse.emf.validation.constraintProviders">
      <constraintProvider cache="true">
         <package namespaceUri="http:///org/eclipse/tigerstripe/annotation/example/person.ecore"/>
         <constraints categories="org.eclipse.tigerstripe.annotation.validation.category">
            <constraint
                  lang="Java"
                  class="org.eclipse.tigerstripe.annotation.example.person.validators.PersonValidator"
                  severity="ERROR"
                  mode="Live"
                  name="Valid Person Age"
                  id="org.eclipse.tigerstripe.annotation.example.person.validAge"
                  statusCode="1">
               <description>
                  Person age should be non-negative number and non greater than 100 years
               </description>
               <message>
                  Person age can't be {0}
               </message>
               <target class="Person">
                  <event name="Set">
                     <feature name="age"/>
                  </event>
               </target>
            </constraint>
         </constraints>
      </constraintProvider>
   </extension>

</plugin>