Examples of VersionedValue

org.apache.cassandra.gms.VersionedValue
This abstraction represents the state associated with a particular node which an application wants to make available to the rest of the nodes in the cluster. Whenever a piece of state needs to be disseminated to the rest of cluster wrap the state in an instance of ApplicationState and add it to the Gossiper. e.g. if we want to disseminate load information for node A do the following: ApplicationState loadState = new ApplicationState(); Gossiper.instance.addApplicationState("LOAD STATE", loadState);
org.infinispan.client.hotrod.VersionedValue
Besides the key and value, also contains an version. To be used in versioned operations, e.g. {@link org.infinispan.client.hotrod.RemoteCache#removeWithVersion(Object,long)}. @author Mircea.Markus@jboss.com

Examples of org.infinispan.client.hotrod.VersionedValue

      // 1. Put with HotRod
      RemoteCache<Object, Object> remote = cacheFactory1.getHotRodCache();
      assertNull(remote.withFlags(Flag.FORCE_RETURN_VALUE).put(key, value));


      // 2. Remove with HotRod
      VersionedValue versioned = cacheFactory1.getHotRodCache().getVersioned(key);
      assertTrue(cacheFactory1.getHotRodCache().removeWithVersion(key, versioned.getVersion()));
   }

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Examples of org.infinispan.client.hotrod.VersionedValue

      // 1. Put with HotRod
      RemoteCache<Object, Object> remote = cacheFactory1.getHotRodCache();
      assertNull(remote.withFlags(Flag.FORCE_RETURN_VALUE).put(key, value1));


      // 2. Replace with HotRod
      VersionedValue versioned = cacheFactory1.getHotRodCache().getVersioned(key);
      assertTrue(cacheFactory1.getHotRodCache().replaceWithVersion(key, value2, versioned.getVersion()));
   }

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Examples of org.infinispan.client.hotrod.VersionedValue

      // 1. Put with HotRod
      RemoteCache<Object, Object> remote = cacheFactory1.getHotRodCache();
      assertNull(remote.withFlags(Flag.FORCE_RETURN_VALUE).put(key, value));


      // 2. Removed with HotRod
      VersionedValue versioned = cacheFactory1.getHotRodCache().getVersioned(key);
      assertTrue(cacheFactory1.getHotRodCache().removeWithVersion(key, versioned.getVersion()));
   }

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Examples of org.infinispan.client.hotrod.VersionedValue

      Future<Boolean> f = cacheFactory.getMemcachedClient().set(key1, 0, "v1");
      assertTrue(f.get(60, TimeUnit.SECONDS));
      CASValue oldValue = cacheFactory.getMemcachedClient().gets(key1);


      // 2. Replace with Hot Rod
      VersionedValue versioned = cacheFactory.getHotRodCache().getVersioned(key1);
      assertTrue(cacheFactory.getHotRodCache().replaceWithVersion(key1, "v2", versioned.getVersion()));


      // 4. Get with Memcached and verify value/CAS
      CASValue newValue = cacheFactory.getMemcachedClient().gets(key1);
      assertEquals("v2", newValue.getValue());
      assertTrue("The version (CAS) should have changed", oldValue.getCas() != newValue.getCas());

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Examples of org.infinispan.client.hotrod.VersionedValue

      Future<Boolean> f = cacheFactory.getMemcachedClient().set(key1, 0, "v1");
      assertTrue(f.get(60, TimeUnit.SECONDS));
      CASValue oldValue = cacheFactory.getMemcachedClient().gets(key1);


      // 2. Replace with Hot Rod
      VersionedValue versioned = cacheFactory.getHotRodCache().getVersioned(key1);
      assertTrue(cacheFactory.getHotRodCache().replaceWithVersion(key1, "v2", versioned.getVersion()));


      // 3. Replace with Embedded
      assertTrue(cacheFactory.getEmbeddedCache().replace(key1, "v2", "v3"));


      // 4. Get with Memcached and verify value/CAS

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Examples of org.infinispan.client.hotrod.VersionedValue


      TestCacheListener l = new TestCacheListener();
      embedded.addListener(l);


      remote.put("key", "value");
      VersionedValue oldVersionedValue = remote.getVersioned("key");
      assertEquals("value", oldVersionedValue.getValue());
      assertEquals(1, l.createdCounter);
      assertEquals(1, l.modifiedCounter);
      assertTrue(l.removed.isEmpty());
      assertEquals(1, l.visitedCounter);
      assertEquals("value", l.visited.get("key"));


      remote.put("key2", "value2");
      remote.put("key", "outOfVersionValue");
      VersionedValue newVersionedValue = remote.getVersioned("key2");


      l.reset();


      remote.removeWithVersion("key", oldVersionedValue.getVersion());
      assertTrue(l.created.isEmpty());
      assertTrue(l.modified.isEmpty());
      assertTrue(l.removed.isEmpty());
      assertEquals(1, l.visitedCounter);


      l.reset();


      remote.removeWithVersion("key2", newVersionedValue.getVersion());
      assertTrue(l.created.isEmpty());
      assertTrue(l.modified.isEmpty());
      assertEquals(1, l.removedCounter);
      assertEquals("value2", l.removed.get("key2"));
      assertEquals(1, l.visitedCounter);


      remote.put("newKey", "willBeOutOfDate");
      VersionedValue oldVersionedValueToBeReplaced = remote.getVersioned("newKey");
      remote.put("newKey", "changedValue");


      l.reset();


      remote.replaceWithVersion("newKey", "tryingToChangeButShouldNotSucceed", oldVersionedValueToBeReplaced.getVersion());
      assertTrue(l.created.isEmpty());
      assertTrue(l.modified.isEmpty());
      assertTrue(l.removed.isEmpty());
      assertTrue(l.visited.isEmpty());


      remote.put("newKey2", "willBeSuccessfullyChanged");
      VersionedValue newVersionedValueToBeReplaced = remote.getVersioned("newKey2");


      l.reset();


      remote.replaceWithVersion("newKey2", "successfulChange", newVersionedValueToBeReplaced.getVersion());
      assertTrue(l.created.isEmpty());
      assertEquals(1, l.modifiedCounter);
      assertEquals("successfulChange", l.modified.get("newKey2"));
      assertTrue(l.removed.isEmpty());
      assertTrue(l.visited.isEmpty());

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