@Override
    public long getValueHashCode(final ValueStoreHashAlgorithm valueStoreHashAlgorithm) {
        return valueStoreHashAlgorithm.hash(valueByteBufferView);
    }
A staging value held in byte form
<pre>{@code
<type ID int><hash code long><value bytes................>
}</pre>
stroom-pipeline/src/main/java/stroom/pipeline/refdata/store/StagingValueImpl.java