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Infinispan Embedded Query All-in-One module

There is a newer version: 9.1.7.Final

package org.infinispan.query;

import org.infinispan.AdvancedCache;
import org.infinispan.Cache;
import org.infinispan.query.dsl.QueryFactory;
import org.infinispan.query.dsl.embedded.impl.EmbeddedQueryFactory;
import org.infinispan.query.impl.SearchManagerImpl;
import org.infinispan.security.AuthorizationManager;
import org.infinispan.security.AuthorizationPermission;

/**
 * Helper class to get a SearchManager out of an indexing enabled cache.
 *
 * @author Sanne Grinovero  (C) 2011 Red Hat Inc.
 */
public final class Search {

   public static QueryFactory getQueryFactory(Cache cache) {
      if (cache == null || cache.getAdvancedCache() == null) {
         throw new IllegalArgumentException("cache parameter shall not be null");
      }
      AdvancedCache advancedCache = cache.getAdvancedCache();
      ensureAccessPermissions(advancedCache);

      if (advancedCache.getCacheConfiguration().indexing().index().isEnabled()) {
         return getSearchManager(advancedCache).getQueryFactory();
      }

      return new EmbeddedQueryFactory(advancedCache);
   }

   public static SearchManager getSearchManager(Cache cache) {
      if (cache == null || cache.getAdvancedCache() == null) {
         throw new IllegalArgumentException("cache parameter shall not be null");
      }
      ensureAccessPermissions(cache.getAdvancedCache());
      return new SearchManagerImpl(cache.getAdvancedCache());
   }

   private static void ensureAccessPermissions(final AdvancedCache cache) {
      AuthorizationManager authorizationManager = SecurityActions.getCacheAuthorizationManager(cache);
      if (authorizationManager != null) {
         authorizationManager.checkPermission(AuthorizationPermission.BULK_READ);
      }
   }
}