@Override
    public boolean equals(Object o) {
        if (this == o) {
            return true;
        }
        if (o == null || getClass() != o.getClass()) {
            return false;
        }
        if (!super.equals(o)) {
            return false;
        }
        ExpressionTerm that = (ExpressionTerm) o;
        return Objects.equals(field, that.field) &&
               condition == that.condition &&
               Objects.equals(value, that.value) &&
               Objects.equals(docRef, that.docRef);
    }
@return True if this term has one of the supplied conditions
stroom-query/stroom-query-api/src/main/java/stroom/query/api/ExpressionTerm.java