D-Net

	 * {@inheritDoc}

	 *

	 * @throws IndexClientException

	 *

	 * @see eu.dnetlib.functionality.index.client.IndexClient#browse(java.lang.String, int)

	 */

	@Override

	public List<BrowseEntry> browse(final String query, final List<String> browseFields, final int max, final List<String> filterQuery)

			throws IndexClientException {

		MetadataReference mdRef = new MetadataReference(getFormat(), getLayout(), getInterpretation());

		SolrIndexQuery translatedQuery = (SolrIndexQuery) solrIndexQueryFactory.getIndexQuery(QueryLanguage.CQL, query, this, mdRef);

		translatedQuery.setFacet(true);

		if (filterQuery != null) {

			for (String fq : filterQuery) {

				translatedQuery.addFilterQuery(fq);

			}

		}

		if (browseFields != null) {

			for (String field : browseFields) {

				translatedQuery.addFacetField(field);

			}

			translatedQuery.setFacetLimit(max);

		}

		try {

			SolrIndexQueryResponse response = new SolrIndexQueryResponse(server.query(translatedQuery));

			QueryResponseParser responseParser = queryResponseFactory.getQueryResponseParser(response, mdRef);

			List<BrowsingRow> results = responseParser.getBrowsingResults();

			List<BrowseEntry> out = convertBrowsEntry(browseFields, results, responseParser.getAliases());

			return out;

		} catch (SolrServerException e) {

			throw new IndexClientException("Error on executing a query " + query, e);

		}

	}

	/**

		if (filterQuery != null) {

			for (String fq : filterQuery) {

				translatedQuery.addFilterQuery(fq);

			}

		}