package org.kuali.ole.docstore.discovery.service;
   
   import org.kuali.ole.docstore.indexer.solr.IndexerService;
   import org.kuali.ole.docstore.indexer.solr.WorkBibDocumentIndexer;
   
   /**
    * Class for getting services without depending on the implementation classes.
    * User: tirumalesh.b
    * Date: 22/12/11 Time: 8:05 PM
   */
  public class ServiceLocator {
      private static IndexerService indexerService = null;
      private static DiscoveryService discoveryService = null;
      private static QueryService queryService = null;
  
      public static IndexerService getIndexerService() {
          if (null == indexerService) {
              indexerService = WorkBibDocumentIndexer.getInstance();
          }
          return indexerService;
      }
  
      public static DiscoveryService getDiscoveryService() {
          if (null == discoveryService) {
              discoveryService = DiscoveryServiceImpl.getInstance();
          }
          return discoveryService;
      }
  
      public static QueryService getQueryService() {
          if (null == queryService) {
              queryService = QueryServiceImpl.getInstance();
          }
          return queryService;
      }
  
  }