Examples of org.infinispan.query.dsl.QueryFactory

org.infinispan.query.dsl.QueryFactory
Factory for query DSL objects. Query construction starts here, usually by invoking the {@link #from} method whichreturns a {@link QueryBuilder} capable of constructing {@link Query} objects. The other methods are use for creatingsub-conditions. @author anistor@redhat.com @since 6.0

      assertEquals(4, list.size());
      checkSurnameOrder(list, false);
   }


   public void testMaxResults() throws Exception {
      QueryFactory qf = Search.getSearchManager(cache).getQueryFactory();


      Query q = qf.from(User.class)
            .orderBy("name", SortOrder.ASC).maxResults(2).build();


      assertEquals(4, q.getResultSize());


      List<User> list = q.list();

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      assertEquals(2, list.size());
      checkNameOrder(list, true);
   }


   public void testStartOffset() throws Exception {
      QueryFactory qf = Search.getSearchManager(cache).getQueryFactory();


      Query q = qf.from(User.class)
            .orderBy("name", SortOrder.ASC).startOffset(2).build();


      assertEquals(4, q.getResultSize());


      List<User> list = q.list();

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      assertEquals(2, list.size());
      checkNameOrder(list, true);
   }


   public void testProjection1() throws Exception {
      QueryFactory qf = Search.getSearchManager(cache).getQueryFactory();


      Query q = qf.from(User.class)
            .setProjection("id", "name").build();


      assertEquals(4, q.getResultSize());


      List<Object[]> list = q.list();

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      LuceneQuery q = getIterationQuery();
      checkIterator(4, q.iterator(new FetchOptions().fetchMode(FetchOptions.FetchMode.EAGER).fetchSize(3)));
   }


   private LuceneQuery getIterationQuery() {
      QueryFactory qf = Search.getSearchManager(cache).getQueryFactory();


      QueryBuilder<LuceneQuery> queryQueryBuilder = qf.from(User.class)
            .not().having("surname").eq("Blue").toBuilder();
      return queryQueryBuilder.build();
   }

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      assertEquals(1, list.size());
      assertEquals(2, list.get(0).getAddresses().size());
   }


   public void testLike() throws Exception {
      QueryFactory qf = Search.getSearchManager(cache).getQueryFactory();


      // all rent payments made from a given account
      Query q = qf.from(Transaction.class)
            .having("description").like("%rent%")
            .toBuilder().build();


      List<Transaction> list = q.list();
      assertEquals(1, list.size());

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      assertEquals(1, list.get(0).getAccountId());
      assertEquals(1500, list.get(0).getAmount(), 0);
   }


   public void testBetween1() throws Exception {
      QueryFactory qf = Search.getSearchManager(cache).getQueryFactory();


      // all the transactions that happened in January 2013
      Query q = qf.from(Transaction.class)
            .having("date").between(DATE_FORMAT.parse("2013-01-01"), DATE_FORMAT.parse("2013-01-31"))
            .toBuilder().build();


      List<Transaction> list = q.list();
      assertEquals(4, list.size());

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         assertTrue(t.getDate().compareTo(DATE_FORMAT.parse("2013-01-01")) >= 0);
      }
   }


   public void testBetween2() throws Exception {
      QueryFactory qf = Search.getSearchManager(cache).getQueryFactory();


      // all the transactions that happened in January 2013
      Query q = qf.from(Transaction.class)
            .having("date").between(DATE_FORMAT.parse("2013-01-01"), DATE_FORMAT.parse("2013-01-31")).includeUpper(false)
            .toBuilder().build();


      List<Transaction> list = q.list();
      assertEquals(3, list.size());

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         assertTrue(t.getDate().compareTo(DATE_FORMAT.parse("2013-01-01")) >= 0);
      }
   }


   public void testBetween3() throws Exception {
      QueryFactory qf = Search.getSearchManager(cache).getQueryFactory();


      // all the transactions that happened in January 2013
      Query q = qf.from(Transaction.class)
            .having("date").between(DATE_FORMAT.parse("2013-01-01"), DATE_FORMAT.parse("2013-01-31")).includeLower(false)
            .toBuilder().build();


      List<Transaction> list = q.list();
      assertEquals(3, list.size());

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         assertTrue(t.getDate().compareTo(DATE_FORMAT.parse("2013-01-01")) > 0);
      }
   }


   public void testGt() throws Exception {
      QueryFactory qf = Search.getSearchManager(cache).getQueryFactory();


      // all the transactions greater than a given amount
      Query q = qf.from(Transaction.class)
            .having("amount").gt(1500)
            .toBuilder().build();


      List<Transaction> list = q.list();
      assertEquals(1, list.size());

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      assertEquals(1, list.size());
      assertTrue(list.get(0).getAmount() > 1500);
   }


   public void testGte() throws Exception {
      QueryFactory qf = Search.getSearchManager(cache).getQueryFactory();


      Query q = qf.from(Transaction.class)
            .having("amount").gte(1500)
            .toBuilder().build();


      List<Transaction> list = q.list();
      assertEquals(2, list.size());

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