Examples of org.infinispan.container.DataContainer

org.infinispan.container.DataContainer
The main internal data structure which stores entries @author Manik Surtani (manik@jboss.org) @author Galder Zamarreño @since 4.0


   protected void assertNumberOfEntries(int cacheIndex) throws Exception {
      CacheStore cacheStore = TestingUtil.extractComponent(cache(cacheIndex), CacheLoaderManager.class).getCacheStore();
      assertEquals(2, cacheStore.loadAllKeys(null).size()); // two entries in store


      DataContainer dataContainer = cache(cacheIndex).getAdvancedCache().getDataContainer();
      assertEquals(1, dataContainer.size());        // only one entry in memory (the other one was evicted)
   }

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      crm.stopBlocking();


      TestingUtil.waitForRehashToComplete(cache(0), cache(1), cache(2));


      DataContainer dataContainer = TestingUtil.extractComponent(cache(0), DataContainer.class);
      assertTrue(dataContainer.containsKey(k1));
      assertTrue(dataContainer.containsKey(k2));
      assertTrue(dataContainer.containsKey(k3));
   }

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      checkPoint.trigger("OUT_RESPONSE_" + address(liveNode));


      TestingUtil.waitForRehashToComplete(cache(0), cache(liveNode));


      log.debugf("Final checkpoint status: %s", checkPoint);
      DataContainer dataContainer = TestingUtil.extractComponent(cache(0), DataContainer.class);
      assertTrue(dataContainer.containsKey(k1));
   }

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      log.trace(TestingUtil.extractComponent(cache1, InterceptorChain.class).toString());
      cache1.put("key", value);
      assertTrue(cache1.containsKey("key"));
      assertSerializationCounts(1, 0);


      DataContainer dc1 = TestingUtil.extractComponent(cache1, DataContainer.class);


      InternalCacheEntry ice = dc1.get("key");
      Object o = ice.getValue();
      assertTrue(o instanceof MarshalledValue);
      MarshalledValue mv = (MarshalledValue) o;
      assertDeserialized(mv);
      assertEquals(value, cache1.get("key"));
      assertDeserialized(mv);
      assertSerializationCounts(1, 0);
      cache1.compact();
      assertSerializationCounts(2, 0);
      assertOnlyOneRepresentationExists(mv);
      assertSerialized(mv);


      // now on cache 2
      DataContainer dc2 = TestingUtil.extractComponent(cache2, DataContainer.class);
      ice = dc2.get("key");
      o = ice.getValue();
      assertTrue(o instanceof MarshalledValue);
      mv = (MarshalledValue) o;
      assertSerialized(mv); // this proves that unmarshalling on the recipient cache instance is lazy

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      Pojo key = new Pojo();
      cache1.put(key, "value");


      assertSerializationCounts(1, 0);


      DataContainer dc1 = TestingUtil.extractComponent(cache1, DataContainer.class);


      Object o = dc1.keySet().iterator().next();
      assertTrue(o instanceof MarshalledValue);
      MarshalledValue mv = (MarshalledValue) o;
      assertDeserialized(mv);


      assertEquals("value", cache1.get(key));
      assertDeserialized(mv);
      assertSerializationCounts(1, 0);


      cache1.compact();
      assertSerializationCounts(2, 0);
      assertOnlyOneRepresentationExists(mv);
      assertSerialized(mv);




      // now on cache 2
      DataContainer dc2 = TestingUtil.extractComponent(cache2, DataContainer.class);
      o = dc2.keySet().iterator().next();
      assertTrue(o instanceof MarshalledValue);
      mv = (MarshalledValue) o;
      assertSerialized(mv);
      assertEquals("value", cache2.get(key));
      assertSerializationCounts(2, 1);

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               assertEquals(null, cache.get(1));
            } finally {
               modApplyLatch.countDown();
            }


            DataContainer dataContainer = TestingUtil.extractComponent(cache, DataContainer.class);
            dataContainer.purgeExpired();


            Set<Integer> keys = cache.keySet();
            assertTrue("Keys not empty: " + keys, keys.isEmpty());
            Set<Map.Entry<Integer, String>> entries = cache.entrySet();
            assertTrue("Entry set not empty: " + entries, entries.isEmpty());

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      cfg.getCacheLoaderManagerConfig().addCacheLoaderConfig(csConfig);
      return TestCacheManagerFactory.createCacheManager(cfg);
   }


   private void assertCacheEntry(Cache cache, String key, String value, long lifespanMillis, long maxIdleMillis) {
      DataContainer dc = cache.getAdvancedCache().getDataContainer();
      InternalCacheEntry ice = dc.get(key);
      assert ice != null : "No such entry for key " + key;
      assert Util.safeEquals(ice.getValue(), value) : ice.getValue() + " is not the same as " + value;
      assert ice.getLifespan() == lifespanMillis : "Lifespan " + ice.getLifespan() + " not the same as " + lifespanMillis;
      assert ice.getMaxIdle() == maxIdleMillis : "MaxIdle " + ice.getMaxIdle() + " not the same as " + maxIdleMillis;
      if (lifespanMillis > -1) assert ice.getCreated() > -1 : "Lifespan is set but created time is not";

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            assertInCacheAndStore(preloadingCache, preloadingStore, "k" + i, "v" + i);
         else
            assertInCacheAndStore(preloadingCache, preloadingStore, "k" + i, "v" + i, lifespan);
      }


      DataContainer c = preloadingCache.getAdvancedCache().getDataContainer();
      assert c.size() == 4;
      preloadingCache.stop();
      assert c.size() == 0;


      preloadingCache.start();
      // The old store's marshaller is not working any more
      preloadingStore = TestingUtil.extractComponent(preloadingCache, CacheLoaderManager.class).getCacheStore();
      assert preloadingCache.getConfiguration().getCacheLoaderManagerConfig().isPreload();
      c = preloadingCache.getAdvancedCache().getDataContainer();
      assert c.size() == 4;


      for (int i = 1; i < 5; i++) {
         if (i % 2 == 1)
            assertInCacheAndStore(preloadingCache, preloadingStore, "k" + i, "v" + i);
         else

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            assertInCacheAndStore(purgingCache, purgingStore, "k" + i, "v" + i);
         else
            assertInCacheAndStore(purgingCache, purgingStore, "k" + i, "v" + i, lifespan);
      }


      DataContainer c = purgingCache.getAdvancedCache().getDataContainer();
      assert c.size() == 4;
      purgingCache.stop();
      assert c.size() == 0;


      purgingCache.start();
      c = purgingCache.getAdvancedCache().getDataContainer();
      assert c.size() == 0;


      assertNotInCacheAndStore(purgingCache, purgingStore, "k1", "k2", "k3", "k4");
   }

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      for (int i = 0; i < numKeys; i++) {
         cache.put(i, i);
      }


      AdvancedCache<Object, Object> flagCache = cache.getAdvancedCache().withFlags(Flag.SKIP_CACHE_LOAD);
      DataContainer dc = flagCache.getDataContainer();
      assertFalse("Data Container should not have all keys", numKeys == dc.size());
      Set<Object> keySet = flagCache.keySet();
      assertEquals(dc.size(), keySet.size());
      for (Object key : dc.keySet()) {
         assertTrue("Key: " + key + " was not found!", keySet.contains(key));
      }
   }

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