Examples of org.infinispan.objectfilter.Matcher

org.infinispan.objectfilter.Matcher
@author anistor@redhat.com @since 7.0


   @Test
   public void testProjectionOnRepeatedAttribute() throws Exception {
      String queryString = "select p.address.postCode, p.phoneNumbers.number from org.infinispan.objectfilter.test.model.Person p where p.name = 'John'";


      Matcher matcher = createMatcher();
      Object person = createPerson1();


      final List<Object[]> result = new ArrayList<Object[]>();


      FilterSubscription filterSubscription = matcher.registerFilter(queryString, new FilterCallback() {
         @Override
         public void onFilterResult(Object instance, Object[] projection, Comparable[] sortProjection) {
            result.add(projection);
         }
      });


      assertNotNull(filterSubscription.getProjection());
      assertEquals(2, filterSubscription.getProjection().length);
      assertEquals("address.postCode", filterSubscription.getProjection()[0]);
      assertEquals("phoneNumbers.number", filterSubscription.getProjection()[1]);


      matcher.match(person);


      matcher.unregisterFilter(filterSubscription);


      assertEquals(1, result.size());
      assertEquals(2, result.get(0).length);
      assertEquals("SW12345", result.get(0)[0]);
      //todo [anistor] it is unclear what whe should expect here...

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      expectedException.expect(ParsingException.class);
      expectedException.expectMessage("ISPN000405");


      String queryString = "select p.phoneNumbers from org.infinispan.objectfilter.test.model.Person p";


      Matcher matcher = createMatcher();


      matcher.registerFilter(queryString, new FilterCallback() {
         @Override
         public void onFilterResult(Object instance, Object[] projection, Comparable[] sortProjection) {
         }
      });
   }

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   }


   protected abstract Matcher createMatcher();


   protected boolean match(String queryString, Object obj) throws Exception {
      Matcher matcher = createMatcher();


      final int[] matchCount = new int[1];


      matcher.registerFilter(queryString, new FilterCallback() {
         @Override
         public void onFilterResult(Object instance, Object[] projection, Comparable[] sortProjection) {
            matchCount[0]++;
         }
      });


      matcher.match(obj);
      return matchCount[0] == 1;
   }

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      matcher.match(obj);
      return matchCount[0] == 1;
   }


   protected boolean match(Query query, Object obj) throws Exception {
      Matcher matcher = createMatcher();


      final int[] matchCount = new int[1];


      matcher.registerFilter(query, new FilterCallback() {
         @Override
         public void onFilterResult(Object instance, Object[] projection, Comparable[] sortProjection) {
            matchCount[0]++;
         }
      });


      matcher.match(obj);
      return matchCount[0] == 1;
   }

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      assertFalse(match(queryString, createPerson1()));
   }


   @Test
   public void testFilterInterference() throws Exception {
      Matcher matcher = createMatcher();


      final int[] matchCount = new int[2];
      String queryString1 = "from org.infinispan.objectfilter.test.model.Person p where p.name = 'John'";
      matcher.registerFilter(queryString1, new FilterCallback() {
         @Override
         public void onFilterResult(Object instance, Object[] projection, Comparable[] sortProjection) {
            matchCount[0]++;
         }
      });


      String queryString2 = "from org.infinispan.objectfilter.test.model.Person p where p.phoneNumbers.number = '004012345'";
      matcher.registerFilter(queryString2, new FilterCallback() {
         @Override
         public void onFilterResult(Object instance, Object[] projection, Comparable[] sortProjection) {
            matchCount[1]++;
         }
      });


      matcher.match(createPerson1());


      // assert that only one of the filters matched and the callback of the other was not invoked
      assertEquals(1, matchCount[0]);
      assertEquals(1, matchCount[1]);
   }

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      assertEquals(1, matchCount[1]);
   }


   @Test
   public void testOrderBy() throws Exception {
      Matcher matcher = createMatcher();


      final List<Comparable[]> sortProjections = new ArrayList<Comparable[]>();


      String queryString1 = "from org.infinispan.objectfilter.test.model.Person p where p.age > 18 order by p.name, p.surname";
      FilterSubscription filterSubscription = matcher.registerFilter(queryString1, new FilterCallback() {
         @Override
         public void onFilterResult(Object instance, Object[] projection, Comparable[] sortProjection) {
            sortProjections.add(sortProjection);
         }
      });


      matcher.match(createPerson1());
      matcher.match(createPerson2());


      assertEquals(2, sortProjections.size());


      Collections.sort(sortProjections, filterSubscription.getComparator());

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      assertEquals("Batman", sortProjections.get(1)[1]);
   }


   @Test
   public void testDSL() throws Exception {
      Matcher matcher = createMatcher();
      QueryFactory qf = matcher.getQueryFactory();
      Query q = qf.from(Person.class)
            .having("phoneNumbers.number").eq("004012345").toBuilder().build();
      assertTrue(match(q, createPerson1()));
   }

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   @Test
   public void testObjectFilterWithExistingSubscription() throws Exception {
      String queryString = "from org.infinispan.objectfilter.test.model.Person p where p.name = 'John'";


      Matcher matcher = createMatcher();
      Object person = createPerson1();


      final int[] matchCount = new int[1];
      FilterSubscription filterSubscription = matcher.registerFilter(queryString, new FilterCallback() {
         @Override
         public void onFilterResult(Object instance, Object[] projection, Comparable[] sortProjection) {
            matchCount[0]++;
         }
      });


      ObjectFilter objectFilter = matcher.getObjectFilter(filterSubscription);


      matcher.match(person);
      assertEquals(1, matchCount[0]);


      ObjectFilter.FilterResult result = objectFilter.filter(person);
      assertTrue(result.getInstance() == person);

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   @Test
   public void testObjectFilterWithJPA() throws Exception {
      String queryString = "from org.infinispan.objectfilter.test.model.Person p where p.name = 'John'";


      Matcher matcher = createMatcher();
      Object person = createPerson1();


      ObjectFilter objectFilter = matcher.getObjectFilter(queryString);


      matcher.match(person);


      ObjectFilter.FilterResult result = objectFilter.filter(person);
      assertTrue(result.getInstance() == person);
   }

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      assertTrue(result.getInstance() == person);
   }


   @Test
   public void testObjectFilterWithDSL() throws Exception {
      Matcher matcher = createMatcher();
      Object person = createPerson1();


      QueryFactory qf = matcher.getQueryFactory();
      Query q = qf.from(Person.class)
            .having("name").eq("John").toBuilder().build();


      ObjectFilter objectFilter = matcher.getObjectFilter(q);


      matcher.match(person);


      ObjectFilter.FilterResult result = objectFilter.filter(person);
      assertTrue(result.getInstance() == person);
   }

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Related Classes of org.infinispan.objectfilter.Matcher

org.infinispan.objectfilter.test.AbstractMatcherTest

org.infinispan.objectfilter.test.perf.PerfTest

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