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


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


      // now do a gravitate call.
      assert buddy.get(fqn, key).equals(value) : "Data should have gravitated!";

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


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


      // now do a gravitate call.
      assert buddy.get(fqn, key).equals(value) : "Data should have gravitated!";


      System.out.println("dataOwner: " + CachePrinter.printCacheLockingInfo(dataOwner));

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      assert buddy.get(fqn, key).equals(value) : "Data should have gravitated!";


      System.out.println("dataOwner: " + CachePrinter.printCacheLockingInfo(dataOwner));
      System.out.println("buddy: " + CachePrinter.printCacheLockingInfo(buddy));


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


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

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      System.out.println("dataOwner: " + CachePrinter.printCacheLockingInfo(dataOwner));
      System.out.println("buddy: " + CachePrinter.printCacheLockingInfo(buddy));


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


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

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      System.out.println("dataOwner: " + CachePrinter.printCacheLockingInfo(dataOwner));
      System.out.println("buddy: " + CachePrinter.printCacheLockingInfo(buddy));


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


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

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      System.out.println("dataOwner: " + CachePrinter.printCacheLockingInfo(dataOwner));
      System.out.println("buddy: " + CachePrinter.printCacheLockingInfo(buddy));
      System.out.println("thirdInstance: " + CachePrinter.printCacheLockingInfo(thirdInstance));


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

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      System.out.println("dataOwner: " + CachePrinter.printCacheLockingInfo(dataOwner));
      System.out.println("buddy: " + CachePrinter.printCacheLockingInfo(buddy));
      System.out.println("thirdInstance: " + CachePrinter.printCacheLockingInfo(thirdInstance));


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

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      System.out.println("buddy: " + CachePrinter.printCacheLockingInfo(buddy));
      System.out.println("thirdInstance: " + CachePrinter.printCacheLockingInfo(thirdInstance));


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

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      root.addChild(A);
      txManager.commit();
      assert !root.hasChild(A_B);
      assert null == cache.get(A, "key");
      // do a peek to ensure the node really has been removed and not just marked for removal
      assert spi.peek(A_B, true, true) == null;
      assert root.hasChild(A);
   }


   /**
    * Tests whether, in a single tx, deleting a parent node with an pre-existing

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   }


   public void testPhantomStructuralNodesOnRemove()
   {
      CacheSPI spi = (CacheSPI) cache;
      assert spi.peek(Fqn.fromString("/a/b/c"), true, true) == null;
      assert !spi.removeNode("/a/b/c");
      assert spi.peek(Fqn.fromString("/a/b/c"), true, true) == null;
      assert spi.peek(Fqn.fromString("/a/b"), true, true) == null;
      assert spi.peek(Fqn.fromString("/a"), true, true) == null;
   }

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