Package org.infinispan.transaction.tm

Examples of org.infinispan.transaction.tm.DummyTransactionManager$LazyInitializeHolder

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   }

   public void testLocksOnRemoveNonexistent() throws Exception {
      LockTestBaseTL tl = threadLocal.get();
      Cache<String, String> cache = tl.cache;
      DummyTransactionManager tm = (DummyTransactionManager) tl.tm;
      assert !cache.containsKey("k") : "Should not exist";

      tm.begin();
      cache.remove("k");
      tm.getTransaction().runPrepare();
      assertLocked("k");
      tm.getTransaction().runCommitTx();

      assert !cache.containsKey("k") : "Should not exist";
      assertNoLocks();
   }
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   }

   public void testLocksOnRemoveData() throws Exception {
      LockTestBaseTL tl = threadLocal.get();
      Cache<String, String> cache = tl.cache;
      DummyTransactionManager tm = (DummyTransactionManager) tl.tm;
      // init some data
      cache.put("k", "v");
      cache.put("k2", "v2");

      assert "v".equals(cache.get("k"));
      assert "v2".equals(cache.get("k2"));

      // remove
      tm.begin();
      cache.clear();
      assert tm.getTransaction().runPrepare();

      assertLocked("k");
      assertLocked("k2");
      tm.getTransaction().runCommitTx();

      assert cache.isEmpty();
      assertNoLocks();
   }
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   }

   public void testConcurrentWriters() throws Exception {
      LockTestBaseTL tl = threadLocal.get();
      Cache<String, String> cache = tl.cache;
      DummyTransactionManager tm = (DummyTransactionManager) tl.tm;
      tm.begin();
      cache.put("k", "v");
      final DummyTransaction transaction = tm.getTransaction();
      assert transaction.runPrepare();
      tm.suspend();

      tm.begin();
      cache.put("k", "v");
      assert !tm.getTransaction().runPrepare();

      tm.rollback();
      tm.resume(transaction);
      transaction.runCommitTx();

      assertNoLocks();
   }
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   }

   private void testLockMigrationDuringPrepare(final Object key) throws Exception {
      ControlledRpcManager controlledRpcManager = installControlledRpcManager();
      controlledRpcManager.blockBefore(PrepareCommand.class);
      final DummyTransactionManager tm = dummyTm(ORIGINATOR_INDEX);

      Future<DummyTransaction> f = fork(new Callable<DummyTransaction>() {
         @Override
         public DummyTransaction call() throws Exception {
            tm.begin();
            originatorCache.put(key, "value");
            DummyTransaction tx = tm.getTransaction();

            boolean success = tx.runPrepare();
            assertTrue(success);
            tm.suspend();
            return tx;
         }
      });

      // Allow the tx thread to send the prepare command to the owners
      Thread.sleep(2000);

      log.trace("Lock transfer happens here");
      killCache();

      log.trace("Allow the prepare RPC to proceed");
      controlledRpcManager.stopBlocking();
      // Ensure the prepare finished on the other node
      DummyTransaction tx = f.get();
      log.tracef("Prepare finished");

      checkNewTransactionFails(key);

      log.trace("About to commit existing transactions.");
      tm.resume(tx);
      tx.runCommitTx();

      // read the data from the container, just to make sure all replicas are correctly set
      checkValue(key, "value");
   }
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      Object key = new MagicKey("backup", cache(KILLED_INDEX), cache(OTHER_INDEX));
      testLockMigrationAfterPrepare(key);
   }

   private void testLockMigrationAfterPrepare(Object key) throws Exception {
      final DummyTransactionManager tm = dummyTm(ORIGINATOR_INDEX);

      tm.begin();
      originatorCache.put(key, "value");
      DummyTransaction tx = tm.getTransaction();

      boolean prepareSuccess = tx.runPrepare();
      assert prepareSuccess;

      tm.suspend();

      log.trace("Lock transfer happens here");
      killCache();

      checkNewTransactionFails(key);

      log.trace("About to commit existing transaction.");
      tm.resume(tx);
      tx.runCommitTx();

      // read the data from the container, just to make sure all replicas are correctly set
      checkValue(key, "value");
   }
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   }

   private void testLockMigrationDuringCommit(final Object key) throws Exception {
      ControlledRpcManager controlledRpcManager = installControlledRpcManager();
      controlledRpcManager.blockBefore(CommitCommand.class);
      final DummyTransactionManager tm = dummyTm(ORIGINATOR_INDEX);

      Future<DummyTransaction> f = fork(new Callable<DummyTransaction>() {
         @Override
         public DummyTransaction call() throws Exception {
            tm.begin();
            originatorCache.put(key, "value");
            final DummyTransaction tx = tm.getTransaction();
            final boolean success = tx.runPrepare();
            assert success;

            log.trace("About to commit transaction.");
            tx.runCommitTx();
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      assertEquals(d0.getValue(), value);
      assertEquals(d1.getValue(), value);
   }

   private void checkNewTransactionFails(Object key) throws NotSupportedException, SystemException, HeuristicMixedException, HeuristicRollbackException {
      DummyTransactionManager otherTM = dummyTm(OTHER_INDEX);
      otherTM.begin();
      otherCache.put(key, "should fail");
      try {
         otherTM.commit();
         fail("RollbackException should have been thrown here.");
      } catch (RollbackException e) {
         //expected
      }
   }
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      cache1.getCacheConfiguration().locking().lockAcquisitionTimeout(10);
      cache2.getCacheConfiguration().locking().lockAcquisitionTimeout(10);
      TestingUtil.blockUntilViewsReceived(10000, cache1, cache2);

      // get a lock on cache 2 and hold on to it.
      DummyTransactionManager tm = (DummyTransactionManager) TestingUtil.getTransactionManager(cache2);
      tm.begin();
      cache2.put("block", "block");
      assert tm.getTransaction().runPrepare();
      tm.suspend();
      cache1.put("block", "v");
   }
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      Thread t = new Thread() {
         @Override
         public void run() {
            log.info("Concurrent " + (useTx ? "tx" : "non-tx") + " write started "
                  + (sameNode ? "on same node..." : "on a different node..."));
            DummyTransactionManager mgr = null;
            try {
               if (useTx) {
                  mgr = (DummyTransactionManager) TestingUtil.getTransactionManager(sameNode ? cache1 : cache2);
                  mgr.begin();
               }
               if (sameNode) {
                  cache1.put(k, "JBC");
               } else {
                  cache2.put(k, "JBC");
               }
               if (useTx) {
                  if (!mgr.getTransaction().runPrepare()) { //couldn't prepare
                     latch.countDown();
                     mgr.rollback();
                  }
               }
            } catch (Exception e) {
               if (useTx) {
                  try {
                     mgr.commit();
                  } catch (Exception e1) {
                  }
               }
               latch.countDown();
            }
         }
      };

      String name = "Infinispan";
      TransactionManager mgr = TestingUtil.getTransactionManager(cache1);
      mgr.begin();

      log.trace("Here is where the fun starts...Here is where the fun starts...");

      // lock node and start other thread whose write should now block
      cache1.getAdvancedCache().lock(k);
      t.start();

      // wait till the put in thread t times out
      assert latch.await(10, TimeUnit.SECONDS) : "Concurrent put didn't time out!";

      cache1.put(k, name);
      mgr.commit();

      assertNotLocked("testcache", k);
      t.join();

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   public void testConcurrencyLevel() throws Exception {
      assertAttributeValue("ConcurrencyLevel", CONCURRENCY_LEVEL);
   }

   public void testNumberOfLocksHeld() throws Exception {
      DummyTransactionManager tm = (DummyTransactionManager) TestingUtil.extractComponent(cache, TransactionManager.class);
      tm.begin();
      cache.put("key", "value");
      tm.getTransaction().runPrepare();
      assertAttributeValue("NumberOfLocksHeld", 1);
      tm.getTransaction().runCommitTx();
      assertAttributeValue("NumberOfLocksHeld", 0);
   }
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