bundles/org.eclipse.emf.ecp.core/plugin.xml

<?xml version="1.0" encoding="UTF-8"?>
<?eclipse version="3.4"?>
<plugin>

   <extension-point id="providers" name="ECP Providers" schema="schema/providers.exsd"/>
   <extension-point id="repositories" name="ECP Repositories" schema="schema/repositories.exsd"/>
   <extension-point id="filters" name="EMF Package Filter" schema="schema/filters.exsd"/>

   <extension point="org.eclipse.core.expressions.propertyTesters">
      <propertyTester
         id="org.eclipse.emf.ecp.core.project.properties"
         type="org.eclipse.emf.ecp.core.ECPProject"
         namespace="org.eclipse.emf.ecp.core.project"
         properties="name,repositoryName,repositoryLabel,providerName,providerLabel,hasAutosave,isDirty,open,closed"
         class="org.eclipse.emf.ecp.internal.core.properties.ECPProjectProperties$Tester"/>
      <propertyTester
            class="org.eclipse.emf.ecp.internal.core.properties.ECPContainerProperties$Tester"
            id="org.eclipse.emf.ecp.core.deletable.properties"
            namespace="org.eclipse.emf.ecp.core.container"
            properties="canDelete"
            type="org.eclipse.emf.ecp.core.util.ECPContainer">
      </propertyTester>
      <propertyTester
            class="org.eclipse.emf.ecp.internal.core.properties.ECPRepositoryProperties$Tester"
            id="org.eclipse.emf.ecp.core.repository.properties"
            namespace="org.eclipse.emf.ecp.core.repository"
            properties="name,repositoryLabel,providerName"
            type="org.eclipse.emf.ecp.core.ECPRepository">
      </propertyTester>
      <propertyTester
            class="org.eclipse.emf.ecp.internal.core.util.ECPDirtyTester"
            id="org.eclipse.emf.ecp.core.util.dirtytester"
            namespace="org.eclipse.emf.ecp.core.util"
            properties="isDirty"
            type="java.lang.Object">
      </propertyTester>
   </extension>
   <extension
         point="org.eclipse.core.expressions.definitions">
      <definition
            id="org.eclipse.emf.ecp.core.isProjectSingle">
         <with
               variable="selection">
            <and>
               <count
                     value="1">
               </count>
               <iterate>
                  <instanceof
                        value="org.eclipse.emf.ecp.core.ECPProject">
                  </instanceof>
               </iterate>
            </and>
         </with>
      </definition>
   </extension>
</plugin>