Examples of org.infinispan.objectfilter.Matcher

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

   }




   @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);


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

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   @Test
   public void testUnregistration() 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]++;
         }
      });


      matcher.match(person);


      assertEquals(1, matchCount[0]);


      matcher.unregisterFilter(filterSubscription);
      matcher.match(person);


      // check that unregistration really took effect
      assertEquals(1, matchCount[0]);
   }

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   @Test
   public void testProjections() throws Exception {
      String queryString = "select p.name, p.address.postCode 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("name", filterSubscription.getProjection()[0]);
      assertEquals("address.postCode", filterSubscription.getProjection()[1]);


      matcher.match(person);


      matcher.unregisterFilter(filterSubscription);


      assertEquals(1, result.size());
      assertEquals(2, result.get(0).length);
      assertEquals("John", result.get(0)[0]);
      assertEquals("SW12345", result.get(0)[1]);

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   @Test
   public void testDuplicateProjections() throws Exception {
      String queryString = "select p.name, p.name, p.address.postCode 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(3, filterSubscription.getProjection().length);
      assertEquals("name", filterSubscription.getProjection()[0]);
      assertEquals("name", filterSubscription.getProjection()[1]);
      assertEquals("address.postCode", filterSubscription.getProjection()[2]);


      matcher.match(person);


      matcher.unregisterFilter(filterSubscription);


      assertEquals(1, result.size());
      assertEquals(3, result.get(0).length);
      assertEquals("John", result.get(0)[0]);
      assertEquals("John", result.get(0)[1]);

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   @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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      long time = measureMatch("from org.infinispan.objectfilter.test.model.Person p where p.surname = 'Batman' and p.age > 30 and p.name > 'A' and p.address.postCode = 'SW12345'");
      printTime("testComplexMatchPerf", time);
   }


   protected long measureMatch(String query) throws Exception {
      Matcher matcher = createMatcher();


      Object obj = createPerson1();


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


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


      long stime = System.nanoTime();
      for (int i = 0; i < ITERATIONS; i++) {
         matchCount[0] = 0;
         matcher.match(obj);
         assertEquals(NUM_FILTERS, matchCount[0]);
      }
      return System.nanoTime() - stime;
   }

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      long time = measureFilter("from org.infinispan.objectfilter.test.model.Person p where p.surname = 'Batman' and p.age > 30 and p.name > 'A' and p.address.postCode = 'SW12345'");
      printTime("testComplexObjectFilterPerf", time);
   }


   protected long measureFilter(String query) throws Exception {
      Matcher matcher = createMatcher();


      Object obj = createPerson1();


      ObjectFilter objectFilter = matcher.getObjectFilter(query);


      long stime = System.nanoTime();
      for (int i = 0; i < ITERATIONS; i++) {
         ObjectFilter.FilterResult result = objectFilter.filter(obj);
         assertNotNull(result);

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         }
      });


      // create a sub-matcher with a single filter
      final int[] matchCount2 = new int[1];
      Matcher subMatcher = matcher.getSingleFilterMatcher(filterSubscription, new FilterCallback() {
         @Override
         public void onFilterResult(Object instance, Object[] projection, boolean isMatching) {
            if (isMatching) {
               matchCount2[0]++;
            }
         }
      });


      matcher.match(person);
      assertEquals(1, matchCount[0]);
      assertEquals(0, matchCount2[0]);


      subMatcher.match(person);
      assertEquals(1, matchCount[0]);
      assertEquals(1, matchCount2[0]);
   }

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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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Related Classes of org.infinispan.objectfilter.Matcher

org.infinispan.objectfilter.test.AbstractMatcherTest

org.infinispan.objectfilter.test.perf.PerfTest

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