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)

      loadNumericTypes();


      Query query = Search.getSearchManager(cache).buildQueryBuilderForClass(NumericType.class).get().phrase().withSlop(1)
            .onField("name").sentence("Some string").createQuery();


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


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


      NumericType type = new NumericType(10, 60);
      type.setName("Some string");
      cache.put("otherKey", type);


      found = cacheQuery.list();
      Assert.assertEquals(1, found.size());
      assert found.contains(type);


      NumericType type1 = new NumericType(20, 60);
      type1.setName("Some other string");
      cache.put("otherKey1", type1);


      found = cacheQuery.list();
      Assert.assertEquals(1, found.size());
      assert found.contains(type);
   }

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      loadTestingData();


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


      CacheQuery cacheQuery = Search.getSearchManager(cache).getQuery(luceneQuery);
      ResultIterator iterator = cacheQuery.iterator();
      try {
         if (iterator.hasNext()) {
            Object next = iterator.next();
            iterator.remove();
         }

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   public void testLazyIteratorWithOffset() throws ParseException {
      loadTestingData();
      queryParser = createQueryParser("blurb");
      Query luceneQuery = queryParser.parse("Eats");
      CacheQuery cacheQuery = Search.getSearchManager(cache).getQuery(luceneQuery).firstResult(1);


      ResultIterator iterator = cacheQuery.iterator(new FetchOptions().fetchMode(FetchOptions.FetchMode.LAZY));
      try {
         Assert.assertEquals(2, countElements(iterator));
      } finally {
         iterator.close();
      }

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

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      Query subQuery = Search.getSearchManager(cache).buildQueryBuilderForClass(Person.class).get().keyword()
            .onField("name").matching("Goat").createQuery();


      Query query = Search.getSearchManager(cache).buildQueryBuilderForClass(Person.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(person2);
      assert found.contains(person1);
      assert found.contains(person3);


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


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


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


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


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


      Assert.assertEquals(1, found.size());
      assert found.contains(person1);
   }

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   @Test(expectedExceptions = IllegalArgumentException.class)
   public void testLazyIteratorWithInvalidFetchSize() 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(FetchOptions.FetchMode.LAZY).fetchSize(0));
   }

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


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


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

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      loadTestingData();


      Query query = Search.getSearchManager(cache).buildQueryBuilderForClass(Person.class)
            .get().range().onField("age").below(30).excludeLimit().createQuery();


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


      AssertJUnit.assertEquals(2, found.size());
      assert found.contains(person1);
      assert found.contains(person3);
      assert !found.contains(person4) : "This should not contain object person4";


      person4 = new Person();
      person4.setName("Mighty Goat");
      person4.setBlurb("Also eats grass");
      person4.setAge(28);


      cache.put("mighty", person4);


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


      assert found.size() == 3 : "Size of list should be 3";
      assert found.contains(person1);
      assert found.contains(person3);
      assert found.contains(person4) : "This should now contain object person4";

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      loadTestingData();


      Query query = Search.getSearchManager(cache).buildQueryBuilderForClass(Person.class)
            .get().range().onField("age").below(30).createQuery();


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


      AssertJUnit.assertEquals(3, found.size());
      assert found.contains(person1);
      assert found.contains(person2);
      assert found.contains(person3);
      assert !found.contains(person4) : "This should not contain object person4";


      person4 = new Person();
      person4.setName("Mighty Goat");
      person4.setBlurb("Also eats grass");
      person4.setAge(28);


      cache.put("mighty", person4);


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


      assert found.size() == 4 : "Size of list should be 4";
      assert found.contains(person1);
      assert found.contains(person2);
      assert found.contains(person3);

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         public Void call() throws Exception {
            cache1.remove("1");   // cache will now be out of sync with the index
            searchManager = Search.getSearchManager(cache1);


            Query query = createQueryBuilder().keyword().onField("bar").matching("1").createQuery();
            CacheQuery cacheQuery = searchManager.getQuery(query);
            //pruivo: the result size includes the null elements...
            assertEquals("Wrong result size.", 1, cacheQuery.getResultSize());


            for (Object obj : cacheQuery) {
               fail("The iterator should not contain any data but it contains " + obj);
            }

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