private void log(final CreationState creationState,
                     final InclusiveRange streamIdRange) {
        LOGGER.debug(() -> "processProcessorFilter() - Created " +
                           creationState.totalTasksCreated +
                           " tasks in the range " +
                           streamIdRange);
    }
Count the current number of tasks for a filter matching the specified status.

@param filterId The filter to count tasks for.
@param status   Task status.
@return The number of tasks matching the specified status.
stroom-processor/stroom-processor-impl-db/src/main/java/stroom/processor/impl/db/ProcessorTaskDaoImpl.java