Examples of org.jboss.cache.CacheSPI.peek()

org.jboss.cache.CacheSPI.peek()
Returns a node without accessing the interceptor chain. Does not return any nodes marked as invalid. Note that this call works directly on the cache data structure and will not pass through the interceptor chain. Hence node locking, cache loading or activation does not take place, and so the results of this call should not be treated as definitive. Concurrent node removal, passivation, etc. may affect the results of this call. @param fqn the Fqn to look up. @param includeDeletedNodes if you intend to see nodes marked as deleted within the current tx, set this to true @return a node if one exists or null

      assert second.peek(fqn, false) != null : "Should have data";
      assert second.peek(Fqn.fromRelativeElements(BuddyManager.BUDDY_BACKUP_SUBTREE_FQN, fqnTransformer.getGroupNameFromAddress(first.getLocalAddress())), false) != null : "Should have backup node for second";
      assert second.peek(Fqn.fromRelativeElements(BuddyManager.BUDDY_BACKUP_SUBTREE_FQN, fqnTransformer.getGroupNameFromAddress(second.getLocalAddress())), false) == null : "Should NOT have backup node for self!";


      assert third.peek(fqn, false) == null : "Should not have data";
      assert third.peek(Fqn.fromRelativeElements(BuddyManager.BUDDY_BACKUP_SUBTREE_FQN, fqnTransformer.getGroupNameFromAddress(third.getLocalAddress())), false) == null : "Should NOT have backup node for self!";
      assert third.peek(Fqn.fromRelativeElements(BuddyManager.BUDDY_BACKUP_SUBTREE_FQN, fqnTransformer.getGroupNameFromAddress(second.getLocalAddress())), false) != null : "Should have backup node for second";
      assert third.peek(fqnTransformer.getBackupFqn(second.getLocalAddress(), fqn), false) != null : "Should have backup data";
   }


   public void testStaleRegionOnBuddy() throws Exception

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      assert second.peek(Fqn.fromRelativeElements(BuddyManager.BUDDY_BACKUP_SUBTREE_FQN, fqnTransformer.getGroupNameFromAddress(first.getLocalAddress())), false) != null : "Should have backup node for second";
      assert second.peek(Fqn.fromRelativeElements(BuddyManager.BUDDY_BACKUP_SUBTREE_FQN, fqnTransformer.getGroupNameFromAddress(second.getLocalAddress())), false) == null : "Should NOT have backup node for self!";


      assert third.peek(fqn, false) == null : "Should not have data";
      assert third.peek(Fqn.fromRelativeElements(BuddyManager.BUDDY_BACKUP_SUBTREE_FQN, fqnTransformer.getGroupNameFromAddress(third.getLocalAddress())), false) == null : "Should NOT have backup node for self!";
      assert third.peek(Fqn.fromRelativeElements(BuddyManager.BUDDY_BACKUP_SUBTREE_FQN, fqnTransformer.getGroupNameFromAddress(second.getLocalAddress())), false) != null : "Should have backup node for second";
      assert third.peek(fqnTransformer.getBackupFqn(second.getLocalAddress(), fqn), false) != null : "Should have backup data";
   }


   public void testStaleRegionOnBuddy() throws Exception
   {

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      assert second.peek(Fqn.fromRelativeElements(BuddyManager.BUDDY_BACKUP_SUBTREE_FQN, fqnTransformer.getGroupNameFromAddress(second.getLocalAddress())), false) == null : "Should NOT have backup node for self!";


      assert third.peek(fqn, false) == null : "Should not have data";
      assert third.peek(Fqn.fromRelativeElements(BuddyManager.BUDDY_BACKUP_SUBTREE_FQN, fqnTransformer.getGroupNameFromAddress(third.getLocalAddress())), false) == null : "Should NOT have backup node for self!";
      assert third.peek(Fqn.fromRelativeElements(BuddyManager.BUDDY_BACKUP_SUBTREE_FQN, fqnTransformer.getGroupNameFromAddress(second.getLocalAddress())), false) != null : "Should have backup node for second";
      assert third.peek(fqnTransformer.getBackupFqn(second.getLocalAddress(), fqn), false) != null : "Should have backup data";
   }


   public void testStaleRegionOnBuddy() throws Exception
   {
      Fqn fqn = Fqn.fromString("/a/b/c");

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      inReplicationListeners(listeners).dataWillGravitateFrom(0).to(2);
      // now do a gravitate call.
      assert thirdInstance.get(fqn, key).equals(value) : "Data should have gravitated!";
      expectGravitation();
      
      assert thirdInstance.peek(fqn, false) != null : "Should have data";
      assert thirdInstance.peek(Fqn.fromRelativeElements(BuddyManager.BUDDY_BACKUP_SUBTREE_FQN, fqnTransformer.getGroupNameFromAddress(buddy.getLocalAddress())), false) != null : "Should have backup node for buddy";
      assert thirdInstance.peek(Fqn.fromRelativeElements(BuddyManager.BUDDY_BACKUP_SUBTREE_FQN, fqnTransformer.getGroupNameFromAddress(thirdInstance.getLocalAddress())), false) == null : "Should NOT have backup node for self!";


      assert dataOwner.peek(fqn, false) == null : "Should not have data";
      assert dataOwner.peek(Fqn.fromRelativeElements(BuddyManager.BUDDY_BACKUP_SUBTREE_FQN, fqnTransformer.getGroupNameFromAddress(dataOwner.getLocalAddress())), false) == null : "Should NOT have backup node for self!";

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      // now do a gravitate call.
      assert thirdInstance.get(fqn, key).equals(value) : "Data should have gravitated!";
      expectGravitation();
      
      assert thirdInstance.peek(fqn, false) != null : "Should have data";
      assert thirdInstance.peek(Fqn.fromRelativeElements(BuddyManager.BUDDY_BACKUP_SUBTREE_FQN, fqnTransformer.getGroupNameFromAddress(buddy.getLocalAddress())), false) != null : "Should have backup node for buddy";
      assert thirdInstance.peek(Fqn.fromRelativeElements(BuddyManager.BUDDY_BACKUP_SUBTREE_FQN, fqnTransformer.getGroupNameFromAddress(thirdInstance.getLocalAddress())), false) == null : "Should NOT have backup node for self!";


      assert dataOwner.peek(fqn, false) == null : "Should not have data";
      assert dataOwner.peek(Fqn.fromRelativeElements(BuddyManager.BUDDY_BACKUP_SUBTREE_FQN, fqnTransformer.getGroupNameFromAddress(dataOwner.getLocalAddress())), false) == null : "Should NOT have backup node for self!";
      assert dataOwner.peek(Fqn.fromRelativeElements(BuddyManager.BUDDY_BACKUP_SUBTREE_FQN, fqnTransformer.getGroupNameFromAddress(thirdInstance.getLocalAddress())), false) != null : "Should have backup node for buddy";

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      assert thirdInstance.get(fqn, key).equals(value) : "Data should have gravitated!";
      expectGravitation();
      
      assert thirdInstance.peek(fqn, false) != null : "Should have data";
      assert thirdInstance.peek(Fqn.fromRelativeElements(BuddyManager.BUDDY_BACKUP_SUBTREE_FQN, fqnTransformer.getGroupNameFromAddress(buddy.getLocalAddress())), false) != null : "Should have backup node for buddy";
      assert thirdInstance.peek(Fqn.fromRelativeElements(BuddyManager.BUDDY_BACKUP_SUBTREE_FQN, fqnTransformer.getGroupNameFromAddress(thirdInstance.getLocalAddress())), false) == null : "Should NOT have backup node for self!";


      assert dataOwner.peek(fqn, false) == null : "Should not have data";
      assert dataOwner.peek(Fqn.fromRelativeElements(BuddyManager.BUDDY_BACKUP_SUBTREE_FQN, fqnTransformer.getGroupNameFromAddress(dataOwner.getLocalAddress())), false) == null : "Should NOT have backup node for self!";
      assert dataOwner.peek(Fqn.fromRelativeElements(BuddyManager.BUDDY_BACKUP_SUBTREE_FQN, fqnTransformer.getGroupNameFromAddress(thirdInstance.getLocalAddress())), false) != null : "Should have backup node for buddy";
      assert dataOwner.peek(fqnTransformer.getBackupFqn(thirdInstance.getLocalAddress(), fqn), false) != null : "Should have backup data";

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      modifier.removeNode(parent);


      // assert that tombstones exist on both instances
      assert modifierImpl.peek(parent, true, true) != null;
      assert observerImpl.peek(parent, true, true) != null;
      assert modifierImpl.peek(parent, false, false) == null;
      assert observerImpl.peek(parent, false, false) == null;


      // make sure this does not exist in the loader; since it HAS been removed
      assert loader.get(parent) == null;

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      // assert that tombstones exist on both instances
      assert modifierImpl.peek(parent, true, true) != null;
      assert observerImpl.peek(parent, true, true) != null;
      assert modifierImpl.peek(parent, false, false) == null;
      assert observerImpl.peek(parent, false, false) == null;


      // make sure this does not exist in the loader; since it HAS been removed
      assert loader.get(parent) == null;


      NodeSPI observerNode = (NodeSPI) observer.getRoot().getChild(parent);

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      observerNode = (NodeSPI) observer.getRoot().getChild(parent);
      assert observerNode == null : "Should be null";


      NodeSPI modifierTombstone = modifierImpl.peek(parent, true, true);
      NodeSPI observerTombstone = observerImpl.peek(parent, true, true);


      assert modifierTombstone != null : "Tombstone should still exist";
      assert observerTombstone != null : "Tombstone should still exist";


      assert !modifierTombstone.isValid() : "Should not be valid";

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      modifier.removeNode(parent);


      // assert that tombstones exist on both instances
      assert modifierImpl.peek(parent, true, true) != null;
      assert observerImpl.peek(parent, true, true) != null;
      assert modifierImpl.peek(parent, false, false) == null;
      assert observerImpl.peek(parent, false, false) == null;


      // make sure this does not exist in the loader; since it HAS been removed
      assert loader.get(parent) == null;

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