Examples of org.infinispan.query.CacheQuery

org.infinispan.query.CacheQuery
A cache-query is what will be returned when the getQuery() method is run on {@link SearchManagerImpl}. This object can have methods such as list, setFirstResult,setMaxResults, setFetchSize, getResultSize and setSort.
@author Manik Surtani @author Navin Surtani @author Sanne Grinovero (C) 2011 Red Hat Inc. @author Marko Luksa @see SearchManagerImpl#getQuery(org.apache.lucene.search.Query)

   protected void verifyFindsCar(Cache cache, int expectedCount, String carMake) {
      QueryParser queryParser = createQueryParser("make");


      try {
         Query luceneQuery = queryParser.parse(carMake);
         CacheQuery cacheQuery = Search.getSearchManager(cache).getClusteredQuery(luceneQuery, Car.class);


         Assert.assertEquals(expectedCount, cacheQuery.getResultSize());
      } catch(ParseException ex) {
         ex.printStackTrace();
         Assert.fail("Failed due to: " + ex.getMessage());
      }
   }

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   protected void verifyFindsCar(Cache cache, int count, String carMake) {
      QueryParser queryParser = createQueryParser("make");


      try {
         Query luceneQuery = queryParser.parse(carMake);
         CacheQuery cacheQuery = Search.getSearchManager(cache).getQuery(luceneQuery, Car.class);


         Assert.assertEquals(count, cacheQuery.getResultSize());


      } catch(ParseException ex) {
         ex.printStackTrace();
         Assert.fail("Failed due to: " + ex.getMessage());
      }

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   }


   protected void assertIndexSize(int expectedIndexSize) {
      for (Cache cache : caches) {
         SearchManager searchManager = Search.getSearchManager(cache);
         CacheQuery query = searchManager.getQuery(new MatchAllDocsQuery(), Person.class);
         Assert.assertEquals(expectedIndexSize, query.list().size());
      }
   }

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      Query subQuery = Search.getSearchManager(cache).buildQueryBuilderForClass(NumericType.class).get().keyword()
            .wildcard().onField("name").matching("*string*").createQuery();


      Query query = Search.getSearchManager(cache).buildQueryBuilderForClass(NumericType.class).get().all().except().createQuery();


      CacheQuery cacheQuery = Search.getSearchManager(cache).getQuery(query);
      List<Object> found = cacheQuery.list();


      Assert.assertEquals(3, found.size());
      assert found.contains(type1);
      assert found.contains(type2);
      assert found.contains(type3);


      query = Search.getSearchManager(cache).buildQueryBuilderForClass(NumericType.class).get().all().except(subQuery).createQuery();


      cacheQuery = Search.getSearchManager(cache).getQuery(query);
      found = cacheQuery.list();


      Assert.assertEquals(0, found.size());
   }

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   @Test(expectedExceptions = IllegalArgumentException.class)
   public void testIteratorWithNullFetchMode() throws ParseException {
      loadTestingData();
      queryParser = createQueryParser("blurb");
      Query luceneQuery = queryParser.parse("Eats");
      CacheQuery cacheQuery = Search.getSearchManager(cache).getQuery(luceneQuery).firstResult(1);


      ResultIterator found = cacheQuery.iterator(new FetchOptions().fetchMode(null));


      try {
         found.next();
      } finally {
         found.close();

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      loadTestingDataWithCustomKey();
      queryParser = createQueryParser("blurb");
      Query luceneQuery = queryParser.parse("Eats");


      CacheQuery cacheQuery = manager.getQuery(luceneQuery);


      ResultIterator iterator = cacheQuery.iterator(new FetchOptions().fetchMode(FetchOptions.FetchMode.LAZY));
      try {
         Assert.assertEquals(3, countElements(iterator));
      } finally {
         iterator.close();
      }

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      loadTestingData();
      queryParser = createQueryParser("blurb");
      Query luceneQuery = queryParser.parse("playing");


      Search search = new Search();
      CacheQuery cacheQuery = search.getSearchManager(cache).getQuery(luceneQuery);


      ResultIterator found = cacheQuery.iterator(new FetchOptions().fetchMode(FetchOptions.FetchMode.valueOf("LAZY")));


      try {
         assert found.hasNext();
         found.next();
         assert !found.hasNext();

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   public void testGetResultSize() throws ParseException {
      loadTestingData();
      queryParser = createQueryParser("blurb");
      Query luceneQuery = queryParser.parse("playing");
      CacheQuery cacheQuery = Search.getSearchManager(cache).getQuery(luceneQuery);


      assert cacheQuery.getResultSize() == 1;
   }

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      loadTestingData();


      queryParser = createQueryParser("blurb");
      Query luceneQuery = queryParser.parse("eats");


      CacheQuery cacheQuery = Search.getSearchManager(cache).getQuery(luceneQuery)
            .maxResults(1);


      Assert.assertEquals(3, cacheQuery.getResultSize());   // NOTE: getResultSize() ignores pagination (maxResults, firstResult)
      Assert.assertEquals(1, cacheQuery.list().size());
      ResultIterator eagerIterator = cacheQuery.iterator(new FetchOptions().fetchMode(FetchOptions.FetchMode.EAGER));
      try {
         Assert.assertEquals(1, countElements(eagerIterator));
      } finally {
         eagerIterator.close();
      }
      ResultIterator lazyIterator = cacheQuery.iterator(new FetchOptions().fetchMode(FetchOptions.FetchMode.LAZY));
      try {
         Assert.assertEquals(1, countElements(lazyIterator));
      } finally {
         lazyIterator.close();
      }
      ResultIterator defaultIterator = cacheQuery.iterator();
      try {
         Assert.assertEquals(1, countElements(defaultIterator));
      } finally {
         defaultIterator.close();
      }

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      Query[] queries = new Query[2];
      queries[0] = new TermQuery(goat);
      queries[1] = new TermQuery(navin);


      Query luceneQuery = queries[0].combine(queries);
      CacheQuery cacheQuery = Search.getSearchManager(cache).getQuery(luceneQuery);


      // We know that we've got all 3 hits.
      assert cacheQuery.getResultSize() == 3 : "Expected 3, got " + cacheQuery.getResultSize();


      cache.clear();


      cacheQuery = Search.getSearchManager(cache).getQuery(luceneQuery);


      assert cacheQuery.getResultSize() == 0;
   }

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