CmmnActivity activity = caseDefinition.findActivity("A");
// a pseudo sentry
CmmnSentryDeclaration sentryDeclaration = new CmmnSentryDeclaration("X");
caseDefinition.findActivity("Case1").addSentry(sentryDeclaration);
activity.addEntryCriteria(sentryDeclaration);
CmmnOnPartDeclaration onPartDeclaration = new CmmnOnPartDeclaration();
onPartDeclaration.setSource(new CmmnActivity("B", caseDefinition));
onPartDeclaration.setStandardEvent("complete");
sentryDeclaration.addOnPart(onPartDeclaration);