mm::pictograms::Diagram.allInstances()->select(d:mm::pictograms::Diagram | d.children.link.businessObjects->includes(self))

session.getPackageRegistry().putEPackage(PictogramsPackage.eINSTANCE);

<initialPackage nsURI="http://eclipse.org/graphiti/mm"/>
<initialPackage nsURI="http://eclipse.org/graphiti/mm/algorithms"/>
<initialPackage nsURI="http://eclipse.org/graphiti/mm/algorithms/styles"/>
<initialPackage nsURI="http://eclipse.org/graphiti/mm/pictograms"/>

Id : http://application/2.0, State : PROXY, Type : LEGACY, Original : NATIVE
Id : http://eclipse.org/graphiti/mm, State : PROXY, Type : LEGACY, Original : NATIVE
Id : http://lemoux.fr/modeling/framework/commons/metadata/commit, State : PROXY, Type : LEGACY, Original : NATIVE
Id : http://lemoux.fr/modeling/framework/commons/metadata/configuration, State : PROXY, Type : LEGACY, Original : NATIVE
Id : http://repositorystructure/2.0, State : PROXY, Type : LEGACY, Original : NATIVE
Id : http://service/2.0, State : PROXY, Type : LEGACY, Original : NATIVE
Id : http://user/1.0, State : PROXY, Type : LEGACY, Original : NATIVE
Id : http://www.eclipse.org/emf/2002/Ecore, State : PROXY, Type : LEGACY, Original : LEGACY
Id : http://www.eclipse.org/emf/CDO/Eresource/4.0.0, State : PROXY, Type : NATIVE, Original : NATIVE
Id : http://www.eclipse.org/emf/CDO/Etypes/4.0.0, State : PROXY, Type : NATIVE, Original : NATIVE
Id : http://www.eclipse.org/emf/CDO/expressions/4.3.0, State : PROXY, Type : LEGACY, Original : NATIVE
Id : http://www.eclipse.org/emf/CDO/security/4.1.0, State : PROXY, Type : LEGACY, Original : NATIVE

// Register missing Graphiti packages
session.getPackageRegistry().putEPackage(AlgorithmsPackage.eINSTANCE);
session.getPackageRegistry().putEPackage(StylesPackage.eINSTANCE);
session.getPackageRegistry().putEPackage(PictogramsPackage.eINSTANCE);

// List registered packages
for (CDOPackageUnit pu : session.getPackageRegistry().getPackageUnits()) {
    System.out.print("Id : " + pu.getID());
    System.out.print(", State : " + pu.getState());
    System.out.print(", Type : " + pu.getType());
    System.out.println(", Original : " + pu.getOriginalType());
}

Id : http://application/2.0, State : PROXY, Type : LEGACY, Original : NATIVE
Id : http://eclipse.org/graphiti/mm, State : LOADED
...
java.lang.NullPointerException
    at org.eclipse.emf.cdo.common.model.CDOPackageTypeRegistry.lookup(CDOPackageTypeRegistry.java:105)
    at org.eclipse.emf.cdo.internal.common.model.CDOPackageUnitImpl.getType(CDOPackageUnitImpl.java:114)
...

CDOQuery q = view.createQuery("ocl", "myPackage::MyClass.allInstances()");
System.out.println(q.getResult());

CDOQuery q = view.createQuery("ocl", "myPackage::MyClass.allInstances()", MyPackage.Literals.MY_CLASS);
System.out.println(q.getResult());

org.eclipse.ocl.ecore.EcoreEnvironment.findPackage(List<String>, Registry)
for (Object next : registry.values()) {
  if (next instanceof EPackage) {
    ...
  }
}	

// Dummy OCL query to ensure the Graphiti packages are loaded
String dummyGraphitiQuery = "mm::StyleContainer.allInstances()";
CDOQuery cqDummyGraphiti = transaction.createQuery("ocl", dummyGraphitiQuery, MmPackage.Literals.STYLE_CONTAINER);
cqDummyGraphiti.getResult();

// Look for all diagrams where the element appears
String diagramsQuery = "mm::pictograms::Diagram.allInstances()->select(d:mm::pictograms::Diagram | "
		+ "d.children.link.businessObjects->includes(self))";
CDOQuery cqDiagrams = transaction.createQuery("ocl", diagramsQuery, element.cdoID(), true);
final List<Diagram> diagrams = cqDiagrams.getResult(Diagram.class);

org.eclipse.net4j.util.WrappedException: Problem executing OCL query: mm::pictograms::Diagram.allInstances()->select(d:mm::pictograms::Diagram | d.children.link.businessObjects->includes(self))
	at org.eclipse.net4j.util.WrappedException.wrap(WrappedException.java:44)
	at org.eclipse.emf.cdo.server.ocl.OCLQueryHandler.executeQuery(OCLQueryHandler.java:153)
	at org.eclipse.emf.cdo.internal.server.QueryManager$QueryContext.run(QueryManager.java:303)
	at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source)
	at java.util.concurrent.FutureTask.run(Unknown Source)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
	at java.lang.Thread.run(Unknown Source)
Caused by: java.lang.Exception: OCL query evaluated to 'invalid'. Run with '-Dorg.eclipse.ocl.debug=true' and visit the log for failure details.
	at org.eclipse.emf.cdo.server.ocl.OCLQueryHandler.executeQuery(OCLQueryHandler.java:132)
	... 6 more

// Dummy OCL queries to ensure the Application, Service and Operation packages are loaded
String dummyApplicationQuery = "applicationv2::Application.allInstances()";
CDOQuery cqDummyApplication = transaction.createQuery("ocl", dummyApplicationQuery, Applicationv2Package.Literals.APPLICATION);
cqDummyApplication.getResult();

String dummyServiceQuery = "servicev2::Service.allInstances()";
CDOQuery cqDummyService = transaction.createQuery("ocl", dummyServiceQuery, Servicev2Package.Literals.SERVICE);
cqDummyService.getResult();

String dummyOperationQuery = "servicev2::Operation.allInstances()";
CDOQuery cqDummyOperation = transaction.createQuery("ocl", dummyOperationQuery, Servicev2Package.Literals.OPERATION);
cqDummyOperation.getResult();

// Use an OCL query to find any application invoking any deleted service operation
String appsQuery = "applicationv2::Application.allInstances()->select(a:applicationv2::Application|not a.invokes->intersection(self.defines)->isEmpty())";
CDOQuery cqApps = transaction.createQuery("ocl", appsQuery, ((Service)element).cdoID(), false);
List<Application> clientApps = cqApps.getResult(Application.class);