protected String convertQueryComponentToQueryFragment(QueryComponent queryComponent) { if (!queryComponent.isFieldedQuery()) { return queryComponent.getQuery(); } String field = this.getEncodedFieldName(queryComponent.getField()); if (field == null) { throw new SearchException( "Unable to build query string - there is no field named '%s' on %s", queryComponent.getField(), type.getSimpleName()); } String operation = IsSymbols.get(queryComponent.getIs()); if (queryComponent.isCollectionQuery()) { List<String> values = convertValuesToString(field, queryComponent.getCollectionValue()); String stringValue = StringUtils.join(values, " OR "); return String.format("%s:(%s)", field, stringValue); } else { String value = convertValueToString(field, queryComponent.getValue()); return String.format("%s%s%s", field, operation, value); } }