Examples of MagicKey

org.infinispan.distribution.MagicKey
A special type of key that if passed a cache in its constructor, will ensure it will always be assigned to that cache (plus however many additional caches in the hash space). Note that this only works if all the caches have joined a single cluster before creating the key. If the cluster membership changes then the keys may move to other servers.

Examples of org.infinispan.distribution.MagicKey

   public void testWriteSkewOnPrimaryOwner() throws Exception {
      doWriteSkewTest(cache(0, "atomic"), new MagicKey(cache(0, "atomic"), cache(1, "atomic")), caches("atomic"));
   }


   public void testWriteSkewOnBackupOwner() throws Exception {
      doWriteSkewTest(cache(1, "atomic"), new MagicKey(cache(0, "atomic"), cache(1, "atomic")), caches("atomic"));
   }

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Examples of org.infinispan.distribution.MagicKey

   public void testWriteSkewOnBackupOwner() throws Exception {
      doWriteSkewTest(cache(1, "atomic"), new MagicKey(cache(0, "atomic"), cache(1, "atomic")), caches("atomic"));
   }


   public void testWriteSkewOnNonOwner() throws Exception {
      doWriteSkewTest(cache(2, "atomic"), new MagicKey(cache(0, "atomic"), cache(1, "atomic")), caches("atomic"));
   }

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Examples of org.infinispan.distribution.MagicKey


   public void testSizeOnCache() throws Exception {
      final Cache<Object, Object> cache1 = cache(0, "atomic");
      final TransactionManager tm1 = tm(0, "atomic");
      assertSize(cache1, 0);
      cache1.put(new MagicKey("Hi", cache1), "Someone");
      assertSize(cache1, 1);


      tm1.begin();
      assertSize(cache1, 1);
      cache1.put(new MagicKey("Need", cache1), "Read Consistency");
      assertSize(cache1, 2);
      tm1.commit();
      assertSize(cache1, 2);


      tm1.begin();
      assertSize(cache1, 2);
      cache1.put(new MagicKey("Need Also", cache1), "Speed");
      assertSize(cache1, 3);
      tm1.rollback();
      assertSize(cache1, 2);


      Map<Object, Object> atomicMap = createAtomicMap(cache1, new MagicKey("testSizeOnCache", cache1), true);
      assertSize(cache1, 3);
      atomicMap.put("mm", "nn");
      assertSize(cache1, 3);


      tm1.begin();
      assertSize(cache1, 3);
      atomicMap = createAtomicMap(cache1, new MagicKey("testSizeOnCache-second", cache1), true);
      assertSize(cache1, 4);
      atomicMap.put("mm", "nn");
      assertSize(cache1, 4);
      tm1.commit();
      assertSize(cache1, 4);


      tm1.begin();
      assertSize(cache1, 4);
      atomicMap = createAtomicMap(cache1, new MagicKey("testSizeOnCache-third", cache1), true);
      assertSize(cache1, 5);
      atomicMap.put("mm", "nn");
      assertSize(cache1, 5);
      atomicMap.put("ooo", "weird!");
      assertSize(cache1, 5);
      atomicMap = createAtomicMap(cache1, new MagicKey("testSizeOnCache-onemore", cache1), true);
      assertSize(cache1, 6);
      atomicMap.put("even less?", "weird!");
      assertSize(cache1, 6);
      tm1.rollback();
      assertSize(cache1, 4);

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Examples of org.infinispan.distribution.MagicKey

      Cache<Object, Object> cache0 = cache(0);
      Cache<Object, Object> cache1 = cache(1);
      Cache<Object, Object> cache2 = cache(2);
      Cache<Object, Object> cache3 = cache(3);


      MagicKey hello = new MagicKey("hello", cache(2));


      // Auto-commit is true
      cache1.put(hello, "world 1");


      tm(1).begin();

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Examples of org.infinispan.distribution.MagicKey

      Cache<Object, Object> cache0 = cache(0);
      Cache<Object, Object> cache1 = cache(1);
      Cache<Object, Object> cache2 = cache(2);
      Cache<Object, Object> cache3 = cache(3);


      MagicKey hello = new MagicKey("hello", cache(0)); // Owned by cache0 and cache1


      int owners[] = {0, 0};
      int nonOwners[] = {0, 0};
      int j=0, k = 0;
      for (int i=0; i<4; i++) {

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Examples of org.infinispan.distribution.MagicKey

      Cache<Object, Object> cache0 = cache(0);
      Cache<Object, Object> cache1 = cache(1);
      Cache<Object, Object> cache2 = cache(2);
      Cache<Object, Object> cache3 = cache(3);


      MagicKey hello = new MagicKey("hello", cache(2));
      MagicKey hello2 = new MagicKey("hello2", cache(3));
      MagicKey hello3 = new MagicKey("hello3", cache(0));


      tm(1).begin();
      cache1.put(hello, "world 1");
      cache1.put(hello2, "world 1");
      cache1.put(hello3, "world 1");

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Examples of org.infinispan.distribution.MagicKey

      Cache<Object, Object> cache0 = cache(0);
      Cache<Object, Object> cache1 = cache(1);
      Cache<Object, Object> cache2 = cache(2);
      Cache<Object, Object> cache3 = cache(3);


      MagicKey hello = new MagicKey("hello", cache(2));


      // Auto-commit is true
      cache0.put(hello, "world");


      tm(0).begin();

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Examples of org.infinispan.distribution.MagicKey

      Cache<Object, Object> cache0 = cache(0);
      Cache<Object, Object> cache1 = cache(1);
      Cache<Object, Object> cache2 = cache(2);
      Cache<Object, Object> cache3 = cache(3);


      MagicKey hello = new MagicKey("hello", cache(2));


      // Auto-commit is true
      cache0.put(hello, "world");


      // create a write skew

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Examples of org.infinispan.distribution.MagicKey

      Cache<Object, Object> cache1 = cache(1);
      Cache<Object, Object> cache2 = cache(2);
      Cache<Object, Object> cache3 = cache(3);


      // TODO Add multiple keys, to ensure one of them ends up on the joiner
      MagicKey hello = new MagicKey("hello", cache2);
      cache0.put(hello, "world");


      // no state transfer per se, but we check that the initial data is ok
      checkStateTransfer(hello);

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Examples of org.infinispan.distribution.MagicKey

 */
@Test(groups = "functional", testName = "atomic.DistWriteSkewAtomicMapAPITest")
public class DistWriteSkewAtomicMapAPITest extends DistRepeatableReadAtomicMapAPITest {


   public void testWriteSkewOnPrimaryOwner() throws Exception {
      doWriteSkewTest(cache(0, "atomic"), new MagicKey(cache(0, "atomic"), cache(1, "atomic")), caches("atomic"));
   }

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