@ManyToOne(fetch = FetchType.LAZY, optional = false)
    @JoinColumn(name = StreamProcessor.FOREIGN_KEY)
    public StreamProcessor getStreamProcessor() {
        return streamProcessor;
    }
The higher the number the higher the priority. So 1 is LOW, 10 is medium,
20 is high.
stroom-legacy/stroom-legacy-model_6_1/src/main/java/stroom/legacy/model_6_1/StreamProcessorFilter.java