Examples of org.infinispan.objectfilter.ObjectFilter

org.infinispan.objectfilter.ObjectFilter
A filter that tests if an object matches a pre-defined condition and returns either the original instance or the projection, depending on how the filter was created. The projection is represented as an Object[]. If the given instance does not match the filter will just return null. @author anistor@redhat.com @since 7.0

         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);


      assertEquals(1, matchCount[0]); // check that the object filter did not also mistakenly trigger a match in the parent matcher
   }

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      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);


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

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            .having("id").lt(1000)
            .and()
            .having("age").lt(1000)
            .toBuilder().build();


      ObjectFilter objectFilter = matcher.getObjectFilter(q);


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

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      Query q = qf.from(Person.class)
            .having("name").like("Jo%")
            .and(qf.not().having("name").like("Jo%").or().having("id").lt(1000))
            .toBuilder().build();


      ObjectFilter objectFilter = matcher.getObjectFilter(q);


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

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         public void onFilterResult(Object instance, Object[] projection, Comparable[] sortProjection) {
            b[0] = true;
         }
      });


      ObjectFilter objectFilter = matcher.getObjectFilter(filterSubscription);


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


      matcher.match(person);
      assertTrue(b[0]);

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      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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   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);
      }
      return System.nanoTime() - stime;
   }

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            };
            predicateIndex.addSubscriptionForPredicate(predicateNode, predicateCallback);
         }
      }


      return new ObjectFilter() {


         @Override
         public String getEntityTypeName() {
            return filterSubscriptionImpl.getEntityTypeName();
         }

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         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);


      assertEquals(1, matchCount[0]); // check that the object filter did not also mistakenly trigger a match in the parent matcher
   }

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      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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Related Classes of org.infinispan.objectfilter.ObjectFilter

org.infinispan.objectfilter.impl.BaseMatcher

org.infinispan.objectfilter.test.AbstractMatcherTest

org.infinispan.objectfilter.test.perf.PerfTest

org.infinispan.query.dsl.embedded.impl.FilterAndConverter

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