Package org.infinispan.query

Examples of org.infinispan.query.FetchOptions

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      withTx(tm(), new Callable<Void>() {
         @Override
         public Void call() throws Exception {
            cache.remove("1");   // cache will now be out of sync with the index
            Query query = createQueryBuilder().keyword().onField("bar").matching("1").createQuery();
            ResultIterator iterator = searchManager.getQuery(query).iterator(new FetchOptions().fetchMode(LAZY));
            assertFalse(iterator.hasNext());
            try {
               iterator.next();
               fail("Expected NoSuchElementException");
            } catch (NoSuchElementException e) {
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      withTx(tm(), new Callable<Void>() {
         @Override
         public Void call() throws Exception {
            cache.remove("1");   // cache will now be out of sync with the index
            Query query = createQueryBuilder().keyword().onField("bar").matching("1").createQuery();
            ResultIterator iterator = searchManager.getQuery(query).projection(ProjectionConstants.VALUE, "bar").iterator(new FetchOptions().fetchMode(LAZY));
            assertTrue(iterator.hasNext());
            Object[] projection = (Object[]) iterator.next();
            assertNull(projection[0]);
            assertEquals("1", projection[1]);
            return null;
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      return cacheQuery;
   }

   private void assertQueryReturns(CacheQuery cacheQuery, Object[] expected) {
      assertQueryListContains(cacheQuery.list(), expected);
      final ResultIterator eagerIterator = cacheQuery.iterator(new FetchOptions().fetchMode(FetchOptions.FetchMode.EAGER));
      try {
         assertQueryIteratorContains(eagerIterator, expected);
      }
      finally {
         eagerIterator.close();
      }
      final ResultIterator lazyIterator = cacheQuery.iterator(new FetchOptions().fetchMode(FetchOptions.FetchMode.LAZY));
      try {
         assertQueryIteratorContains(lazyIterator, expected);
      }
      finally {
         lazyIterator.close();
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      Query luceneQuery = queryParser.parse("Eats");

      CacheQuery cacheQuery = manager.getQuery(luceneQuery);

      int counter = 0;
      ResultIterator found = cacheQuery.iterator(new FetchOptions().fetchMode(FetchOptions.FetchMode.LAZY));
      try {
         while(found.hasNext()) {
            found.next();
            counter++;
        }
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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();
            ResultIterator iterator = searchManager.getQuery(query).iterator(new FetchOptions().fetchMode(EAGER));
            assertFalse("Iterator should not have elements.", iterator.hasNext());
            try {
               iterator.next();
               fail("Expected NoSuchElementException");
            } catch (NoSuchElementException e) {
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         public Void call() throws Exception {
            cache2.remove("2");   // cache will now be out of sync with the index
            searchManager = Search.getSearchManager(cache1);

            Query query = createQueryBuilder().keyword().onField("bar").matching("2").createQuery();
            ResultIterator iterator = searchManager.getQuery(query).iterator(new FetchOptions().fetchMode(LAZY));
            assertFalse(iterator.hasNext());
            try {
               iterator.next();
               fail("Expected NoSuchElementException");
            } catch (NoSuchElementException e) {
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            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();
            ResultIterator iterator = searchManager.getQuery(query).projection(ProjectionConstants.VALUE, "bar")
                  .iterator(new FetchOptions().fetchMode(LAZY));
            assertTrue("Expected an element in iterator.", iterator.hasNext());
            Object[] projection = (Object[]) iterator.next();
            assertNull(projection[0]);
            assertEquals("1", projection[1]);
            return null;
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   public void testEagerIterator() throws ParseException {
      loadTestingData();
      CacheQuery cacheQuery = createCacheQuery(cache, "blurb", "playing" );

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

      try {
         assert found.hasNext();
         found.next();
         assert !found.hasNext();
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   @Test(expectedExceptions = UnsupportedOperationException.class)
   public void testEagerIteratorRemove() throws ParseException {
      loadTestingData();
      CacheQuery cacheQuery = createCacheQuery(cache, "blurb", "playing" );

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

      try {
         assert found.hasNext();
         found.remove();
      } finally {
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   @Test(expectedExceptions = NoSuchElementException.class)
   public void testEagerIteratorExCase() throws ParseException {
      loadTestingData();
      CacheQuery cacheQuery = createCacheQuery(cache, "blurb", "playing" );

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

      try {
         assert found.hasNext();
         found.next();
         assert !found.hasNext();
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Related Classes of org.infinispan.query.FetchOptions

  • org.infinispan.query.blackbox.ClusteredCacheTest
  • org.infinispan.query.blackbox.ClusteredQueryTest
  • org.infinispan.query.blackbox.LocalCacheTest
  • org.infinispan.query.clustered.ClusteredCacheQueryImpl
  • org.infinispan.query.dsl.embedded.QueryDslIterationTest
  • org.infinispan.query.nulls.NullCollectionElementsClusteredTest
  • org.infinispan.query.nulls.NullCollectionElementsTest
  • org.infinispan.query.projection.ProjectionTest
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