public static PriorEventViewFactory getPriorEventViewFactory(
StatementContext statementContext, int streamNum, int viewFactoryNum, boolean unboundStream) {
try {
String namespace = ViewEnum.PRIOR_EVENT_VIEW.getNamespace();
String name = ViewEnum.PRIOR_EVENT_VIEW.getName();
ViewFactory factory = statementContext.getViewResolutionService().create(namespace, name);
ViewFactoryContext context =
new ViewFactoryContext(statementContext, streamNum, viewFactoryNum, namespace, name);
factory.setViewParameters(
context, Arrays.asList((ExprNode) new ExprConstantNodeImpl(unboundStream)));
return (PriorEventViewFactory) factory;
} catch (ViewProcessingException ex) {
String text = "Exception creating prior event view factory";
throw new EPException(text, ex);
} catch (ViewParameterException ex) {
String text = "Exception creating prior event view factory";
throw new EPException(text, ex);
}
}
public final String toString() {
return this.getClass().getName() + " groupFieldNames=" + Arrays.toString(criteriaExpressions);
}
