@Override
    public long fetchCount() {
        return innerCount();
    }
AbstractLuceneQuery is an abstract super class for Lucene query
implementations

@author tiwe

@param <T>
           projection type
@param <Q>
           concrete subtype of querydsl
querydsl-lucene5/src/main/java/com/querydsl/lucene5/AbstractLuceneQuery.java