441: Fix issues related to deployment of upcoming v4-release (OPENED)

Task-Url: #441

search-core/src/main/java/eu/dariah/de/search/es/client/SearchClientImpl.java

@@ -41,7 +41,7 @@ public class SearchClientImpl extends BaseEsClientImpl implements SearchClient {
 	
 	@Override
 	public long count(SearchParams params) {
-		if (params.getIndexNames()==null) {
+		if (params.getIndexNames()==null || params.getIndexNames().length==0) {
 			return 0;
 		}
 		
@@ -74,7 +74,7 @@ public class SearchClientImpl extends BaseEsClientImpl implements SearchClient {
 	@Override
 	public SearchResponse query(SearchParams params) {		
 		try {
-			if (params.getIndexNames()==null) {
+			if (params.getIndexNames()==null || params.getIndexNames().length==0) {
 				return new NullSearchResponse();
 			}
 			

search-core/src/main/java/eu/dariah/de/search/es/service/SearchServiceImpl.java

@@ -66,7 +66,7 @@ public class SearchServiceImpl implements SearchService {
 	@Override
 	public long count(QueryBuilder query, String... indexNames) {
 		if (indexNames==null || indexNames.length==0) {
-			indexNames= this.getIndexNames();
+			indexNames = this.getIndexNames();
 		}		
 		return searchClient.count(new SearchParams(indexNames, query));
 	}