Examples of org.jboss.cache.lock.NodeLock

org.jboss.cache.lock.NodeLock
Interface for a lock for nodes.
@deprecated will be removed when we drop support for Pessimistic Locking and Optimistic Locking

      Map nodeMap = w.getNodes();
      for (Iterator i = nodeMap.keySet().iterator(); i.hasNext();)
      {
         WorkspaceNode wn = (WorkspaceNode) nodeMap.get(i.next());
         NodeSPI n = wn.getNode();
         NodeLock lock = n.getLock();
         if (lock.isLocked())
         {
            actual.put(n.getFqn(), lock.isReadLocked() ? READ : WRITE);
         }
      }


      return super.invoke(ctx);
   }

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      GlobalTransaction gtx = cache.getCurrentTransaction();
      cache.put("/a/b/c", null);
      cache.put("/a/b/c", null);


      NodeSPI n = (NodeSPI) cache.getNode("/a");
      NodeLock lock = n.getLock();
      int num = lock.getReaderOwners().size();
      assertEquals(0, num);
      // make sure this is write locked.
      assertLocked(gtx, "/a", true);


      n = (NodeSPI) cache.getNode("/a/b");
      lock = n.getLock();
      num = lock.getReaderOwners().size();
      assertEquals(0, num);
      // make sure this is write locked.
      assertLocked(gtx, "/a/b", true);


      n = (NodeSPI) cache.getNode("/a/b/c");
      lock = n.getLock();
      num = lock.getReaderOwners().size();
      assertEquals(0, num);
      // make sure this is write locked.
      assertLocked(gtx, "/a/b/c", true);


      tx.rollback();

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   }


   private void assertLocked(Object owner, String fqn, boolean write_locked)
   {
      NodeSPI<String, Comparable> n = cache.peek(Fqn.fromString(fqn), true);
      NodeLock lock = n.getLock();
      if (owner == null)
      {
         owner = Thread.currentThread();
      }
      assertTrue("node " + fqn + " is not locked", lock.isLocked());
      if (write_locked)
      {
         assertTrue("node " + fqn + " is not write-locked" + (lock.isReadLocked() ? " but is read-locked instead!" : "!"), lock.isWriteLocked());
      }
      else
      {
         assertTrue("node " + fqn + " is not read-locked" + (lock.isWriteLocked() ? " but is write-locked instead!" : "!"), lock.isReadLocked());
      }
      assertTrue("owner " + owner + "is not owner", lock.isOwner(owner));
   }

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         // scan workspaces for this node
         assertNotNull("node " + fqn + " should be in transaction workspace", workspace.getNode(fqn));
      }
      else
      {
         NodeLock lock = n.getLock();
         assertTrue("node " + fqn + " is not locked", lock.isLocked());
         if (write_locked)
         {
            assertTrue("node " + fqn + " is not write-locked" + (lock.isReadLocked() ? " but is read-locked instead!" : "!"), lock.isWriteLocked());
         }
         else
         {
            assertTrue("node " + fqn + " is not read-locked" + (lock.isWriteLocked() ? " but is write-locked instead!" : "!"), lock.isReadLocked());
         }
      }
   }

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Related Classes of org.jboss.cache.lock.NodeLock

org.jboss.cache.api.pfer.PFERPessimisticTestBase

org.jboss.cache.api.pfer.PutForExternalReadTestBase

org.jboss.cache.interceptors.PessimisticLockInterceptor

org.jboss.cache.optimistic.LockReportInterceptor

org.jboss.cache.options.ForceWriteLockTest

org.jboss.cache.RegionManager

org.jboss.cache.RPCManagerImpl

org.jboss.cache.transaction.TransactionTest

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