// We need to intercept PrepareCommand, not InvalidateCommand since the interception takes
 // place beforeQuery EntryWrappingInterceptor and the PrepareCommand is multiplexed into
 // InvalidateCommands
 // as part of EntryWrappingInterceptor
 @Override
 public Object visitPrepareCommand(TxInvocationContext ctx, PrepareCommand command)
     throws Throwable {
   if (ctx.isOriginLocal()) {
     // We can't wait to commit phase to remove the entry locally (invalidations are processed in
     // 1pc
     // on remote nodes, so only local case matters here). The problem is that while the entry is
     // locked
     // reads still can take place and we can read outdated collection afterQuery reading updated
     // entity
     // owning this collection from DB; when this happens, the version lock on entity cannot
     // protect
     // us against concurrent modification of the collection. Therefore, we need to remove the
     // entry
     // here (even without lock!) and let possible update happen in commit phase.
     for (WriteCommand wc : command.getModifications()) {
       if (wc instanceof InvalidateCommand) {
         // ISPN-5605 InvalidateCommand does not correctly implement getAffectedKeys()
         for (Object key : ((InvalidateCommand) wc).getKeys()) {
           dataContainer.remove(key);
         }
       } else {
         for (Object key : wc.getAffectedKeys()) {
           dataContainer.remove(key);
         }
       }
     }
   } else {
     for (WriteCommand wc : command.getModifications()) {
       if (wc instanceof InvalidateCommand) {
         // ISPN-5605 InvalidateCommand does not correctly implement getAffectedKeys()
         for (Object key : ((InvalidateCommand) wc).getKeys()) {
           if (log.isTraceEnabled()) {
             log.tracef("Invalidating key %s with lock owner %s", key, ctx.getLockOwner());
           }
           putFromLoadValidator.beginInvalidatingKey(ctx.getLockOwner(), key);
         }
       } else {
         Set<Object> keys = wc.getAffectedKeys();
         if (log.isTraceEnabled()) {
           log.tracef("Invalidating keys %s with lock owner %s", keys, ctx.getLockOwner());
         }
         for (Object key : keys) {
           putFromLoadValidator.beginInvalidatingKey(ctx.getLockOwner(), key);
         }
       }
     }
   }
   return invokeNextInterceptor(ctx, command);
 }
  @Override
  public Object visitPrepareCommand(TxInvocationContext ctx, PrepareCommand command)
      throws Throwable {
    GMUPrepareCommand spc = convert(command, GMUPrepareCommand.class);

    if (ctx.isOriginLocal()) {
      spc.setVersion(ctx.getTransactionVersion());
      spc.setReadSet(ctx.getReadSet());
    } else {
      ctx.setTransactionVersion(spc.getPrepareVersion());
    }

    wrapEntriesForPrepare(ctx, command);
    performValidation(ctx, spc);

    Object retVal = invokeNextInterceptor(ctx, command);

    if (ctx.isOriginLocal() && command.getModifications().length > 0) {
      EntryVersion commitVersion =
          calculateCommitVersion(
              ctx.getTransactionVersion(),
              versionGenerator,
              cll.getWriteOwners(ctx.getCacheTransaction()));
      ctx.setTransactionVersion(commitVersion);
    } else {
      retVal = ctx.getTransactionVersion();
    }

    if (command.isOnePhaseCommit()) {
      commitContextEntries.commitContextEntries(ctx);
    }

    return retVal;
  }
Exemplo n.º 3
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 @Override
 public Object visitPrepareCommand(TxInvocationContext ctx, PrepareCommand cmd)
     throws Throwable {
   // first pass up chain
   Object o = invokeNextInterceptor(ctx, cmd);
   if (!ctx.isOriginLocal() || watchLocal) {
     markAsVisited(cmd);
     for (WriteCommand mod : cmd.getModifications()) markAsVisited(mod);
   }
   return o;
 }
 protected final void wrapEntriesForPrepare(TxInvocationContext ctx, PrepareCommand command)
     throws Throwable {
   if (!ctx.isOriginLocal() || command.isReplayEntryWrapping()) {
     for (WriteCommand c : command.getModifications()) {
       c.acceptVisitor(ctx, entryWrappingVisitor);
       if (c.hasFlag(Flag.PUT_FOR_X_SITE_STATE_TRANSFER)) {
         ctx.getCacheTransaction().setStateTransferFlag(Flag.PUT_FOR_X_SITE_STATE_TRANSFER);
       }
     }
   }
 }
Exemplo n.º 5
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  /**
   * In case of a remotely originating transactions we don't have a chance to visit the single
   * commands but receive this "batch". We then need the before-apply snapshot of some types to
   * route the cleanup commands to the correct indexes. Note we don't need to visit the
   * CommitCommand as the indexing context is registered as a transaction sync.
   */
  @Override
  public Object visitPrepareCommand(TxInvocationContext ctx, PrepareCommand command)
      throws Throwable {
    final WriteCommand[] writeCommands = command.getModifications();
    final Object[] stateBeforePrepare = new Object[writeCommands.length];

    for (int i = 0; i < writeCommands.length; i++) {
      final WriteCommand writeCommand = writeCommands[i];
      if (writeCommand instanceof PutKeyValueCommand) {
        InternalCacheEntry internalCacheEntry =
            dataContainer.get(((PutKeyValueCommand) writeCommand).getKey());
        stateBeforePrepare[i] = internalCacheEntry != null ? internalCacheEntry.getValue() : null;
      } else if (writeCommand instanceof PutMapCommand) {
        stateBeforePrepare[i] = getPreviousValues(((PutMapCommand) writeCommand).getMap().keySet());
      } else if (writeCommand instanceof RemoveCommand) {
        InternalCacheEntry internalCacheEntry =
            dataContainer.get(((RemoveCommand) writeCommand).getKey());
        stateBeforePrepare[i] = internalCacheEntry != null ? internalCacheEntry.getValue() : null;
      } else if (writeCommand instanceof ReplaceCommand) {
        InternalCacheEntry internalCacheEntry =
            dataContainer.get(((ReplaceCommand) writeCommand).getKey());
        stateBeforePrepare[i] = internalCacheEntry != null ? internalCacheEntry.getValue() : null;
      }
    }

    final Object toReturn = super.visitPrepareCommand(ctx, command);

    if (ctx.isTransactionValid()) {
      final TransactionContext transactionContext = makeTransactionalEventContext();
      for (int i = 0; i < writeCommands.length; i++) {
        final WriteCommand writeCommand = writeCommands[i];
        if (writeCommand instanceof PutKeyValueCommand) {
          processPutKeyValueCommand(
              (PutKeyValueCommand) writeCommand, ctx, stateBeforePrepare[i], transactionContext);
        } else if (writeCommand instanceof PutMapCommand) {
          processPutMapCommand(
              (PutMapCommand) writeCommand,
              ctx,
              (Map<Object, Object>) stateBeforePrepare[i],
              transactionContext);
        } else if (writeCommand instanceof RemoveCommand) {
          processRemoveCommand(
              (RemoveCommand) writeCommand, ctx, stateBeforePrepare[i], transactionContext);
        } else if (writeCommand instanceof ReplaceCommand) {
          processReplaceCommand(
              (ReplaceCommand) writeCommand, ctx, stateBeforePrepare[i], transactionContext);
        } else if (writeCommand instanceof ClearCommand) {
          processClearCommand((ClearCommand) writeCommand, ctx, transactionContext);
        }
      }
    }
    return toReturn;
  }
 @Override
 public Object visitPrepareCommand(TxInvocationContext ctx, PrepareCommand command)
     throws Throwable {
   Object retval = invokeNextInterceptor(ctx, command);
   log.tracef("Entering InvalidationInterceptor's prepare phase.  Ctx flags are empty");
   // fetch the modifications before the transaction is committed (and thus removed from the
   // txTable)
   if (shouldInvokeRemoteTxCommand(ctx)) {
     if (ctx.getTransaction() == null)
       throw new IllegalStateException("We must have an associated transaction");
     List<WriteCommand> mods = Arrays.asList(command.getModifications());
     broadcastInvalidateForPrepare(mods, ctx);
   } else {
     log.tracef("Nothing to invalidate - no modifications in the transaction.");
   }
   return retval;
 }
Exemplo n.º 7
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  /** @param isRemote true if the command is deserialized and is executed remote. */
  @Override
  public void initializeReplicableCommand(ReplicableCommand c, boolean isRemote) {
    if (c == null) return;
    switch (c.getCommandId()) {
      case PutKeyValueCommand.COMMAND_ID:
        ((PutKeyValueCommand) c).init(notifier, configuration);
        break;
      case ReplaceCommand.COMMAND_ID:
        ((ReplaceCommand) c).init(notifier, configuration);
        break;
      case PutMapCommand.COMMAND_ID:
        ((PutMapCommand) c).init(notifier);
        break;
      case RemoveCommand.COMMAND_ID:
        ((RemoveCommand) c).init(notifier, configuration);
        break;
      case MultipleRpcCommand.COMMAND_ID:
        MultipleRpcCommand rc = (MultipleRpcCommand) c;
        rc.init(interceptorChain, icf);
        if (rc.getCommands() != null)
          for (ReplicableCommand nested : rc.getCommands()) {
            initializeReplicableCommand(nested, false);
          }
        break;
      case SingleRpcCommand.COMMAND_ID:
        SingleRpcCommand src = (SingleRpcCommand) c;
        src.init(interceptorChain, icf);
        if (src.getCommand() != null) initializeReplicableCommand(src.getCommand(), false);

        break;
      case InvalidateCommand.COMMAND_ID:
        InvalidateCommand ic = (InvalidateCommand) c;
        ic.init(notifier, configuration);
        break;
      case InvalidateL1Command.COMMAND_ID:
        InvalidateL1Command ilc = (InvalidateL1Command) c;
        ilc.init(configuration, distributionManager, notifier, dataContainer);
        break;
      case PrepareCommand.COMMAND_ID:
      case VersionedPrepareCommand.COMMAND_ID:
      case TotalOrderNonVersionedPrepareCommand.COMMAND_ID:
      case TotalOrderVersionedPrepareCommand.COMMAND_ID:
        PrepareCommand pc = (PrepareCommand) c;
        pc.init(interceptorChain, icf, txTable);
        pc.initialize(notifier, recoveryManager);
        if (pc.getModifications() != null)
          for (ReplicableCommand nested : pc.getModifications()) {
            initializeReplicableCommand(nested, false);
          }
        pc.markTransactionAsRemote(isRemote);
        if (configuration.deadlockDetection().enabled() && isRemote) {
          DldGlobalTransaction transaction = (DldGlobalTransaction) pc.getGlobalTransaction();
          transaction.setLocksHeldAtOrigin(pc.getAffectedKeys());
        }
        break;
      case CommitCommand.COMMAND_ID:
      case VersionedCommitCommand.COMMAND_ID:
      case TotalOrderCommitCommand.COMMAND_ID:
      case TotalOrderVersionedCommitCommand.COMMAND_ID:
        CommitCommand commitCommand = (CommitCommand) c;
        commitCommand.init(interceptorChain, icf, txTable);
        commitCommand.markTransactionAsRemote(isRemote);
        break;
      case RollbackCommand.COMMAND_ID:
      case TotalOrderRollbackCommand.COMMAND_ID:
        RollbackCommand rollbackCommand = (RollbackCommand) c;
        rollbackCommand.init(interceptorChain, icf, txTable);
        rollbackCommand.markTransactionAsRemote(isRemote);
        break;
      case ClearCommand.COMMAND_ID:
        ClearCommand cc = (ClearCommand) c;
        cc.init(notifier, dataContainer);
        break;
      case ClusteredGetCommand.COMMAND_ID:
        ClusteredGetCommand clusteredGetCommand = (ClusteredGetCommand) c;
        clusteredGetCommand.initialize(
            icf,
            this,
            entryFactory,
            interceptorChain,
            distributionManager,
            txTable,
            configuration.dataContainer().keyEquivalence());
        break;
      case LockControlCommand.COMMAND_ID:
        LockControlCommand lcc = (LockControlCommand) c;
        lcc.init(interceptorChain, icf, txTable);
        lcc.markTransactionAsRemote(isRemote);
        if (configuration.deadlockDetection().enabled() && isRemote) {
          DldGlobalTransaction gtx = (DldGlobalTransaction) lcc.getGlobalTransaction();
          RemoteTransaction transaction = txTable.getRemoteTransaction(gtx);
          if (transaction != null) {
            if (!configuration.clustering().cacheMode().isDistributed()) {
              Set<Object> keys = txTable.getLockedKeysForRemoteTransaction(gtx);
              GlobalTransaction gtx2 = transaction.getGlobalTransaction();
              ((DldGlobalTransaction) gtx2).setLocksHeldAtOrigin(keys);
              gtx.setLocksHeldAtOrigin(keys);
            } else {
              GlobalTransaction gtx2 = transaction.getGlobalTransaction();
              ((DldGlobalTransaction) gtx2).setLocksHeldAtOrigin(gtx.getLocksHeldAtOrigin());
            }
          }
        }
        break;
      case StateRequestCommand.COMMAND_ID:
        ((StateRequestCommand) c).init(stateProvider);
        break;
      case StateResponseCommand.COMMAND_ID:
        ((StateResponseCommand) c).init(stateConsumer);
        break;
      case GetInDoubtTransactionsCommand.COMMAND_ID:
        GetInDoubtTransactionsCommand gptx = (GetInDoubtTransactionsCommand) c;
        gptx.init(recoveryManager);
        break;
      case TxCompletionNotificationCommand.COMMAND_ID:
        TxCompletionNotificationCommand ftx = (TxCompletionNotificationCommand) c;
        ftx.init(txTable, lockManager, recoveryManager, stateTransferManager);
        break;
      case MapCombineCommand.COMMAND_ID:
        MapCombineCommand mrc = (MapCombineCommand) c;
        mrc.init(mapReduceManager);
        break;
      case ReduceCommand.COMMAND_ID:
        ReduceCommand reduceCommand = (ReduceCommand) c;
        reduceCommand.init(mapReduceManager);
        break;
      case DistributedExecuteCommand.COMMAND_ID:
        DistributedExecuteCommand dec = (DistributedExecuteCommand) c;
        dec.init(cache);
        break;
      case GetInDoubtTxInfoCommand.COMMAND_ID:
        GetInDoubtTxInfoCommand gidTxInfoCommand = (GetInDoubtTxInfoCommand) c;
        gidTxInfoCommand.init(recoveryManager);
        break;
      case CompleteTransactionCommand.COMMAND_ID:
        CompleteTransactionCommand ccc = (CompleteTransactionCommand) c;
        ccc.init(recoveryManager);
        break;
      case ApplyDeltaCommand.COMMAND_ID:
        break;
      case CreateCacheCommand.COMMAND_ID:
        CreateCacheCommand createCacheCommand = (CreateCacheCommand) c;
        createCacheCommand.init(cache.getCacheManager());
        break;
      case XSiteAdminCommand.COMMAND_ID:
        XSiteAdminCommand xSiteAdminCommand = (XSiteAdminCommand) c;
        xSiteAdminCommand.init(backupSender);
        break;
      case CancelCommand.COMMAND_ID:
        CancelCommand cancelCommand = (CancelCommand) c;
        cancelCommand.init(cancellationService);
        break;
      case XSiteStateTransferControlCommand.COMMAND_ID:
        XSiteStateTransferControlCommand xSiteStateTransferControlCommand =
            (XSiteStateTransferControlCommand) c;
        xSiteStateTransferControlCommand.initialize(
            xSiteStateProvider, xSiteStateConsumer, xSiteStateTransferManager);
        break;
      case XSiteStatePushCommand.COMMAND_ID:
        XSiteStatePushCommand xSiteStatePushCommand = (XSiteStatePushCommand) c;
        xSiteStatePushCommand.initialize(xSiteStateConsumer);
        break;
      case EntryRequestCommand.COMMAND_ID:
        EntryRequestCommand entryRequestCommand = (EntryRequestCommand) c;
        entryRequestCommand.init(entryRetriever);
        break;
      case EntryResponseCommand.COMMAND_ID:
        EntryResponseCommand entryResponseCommand = (EntryResponseCommand) c;
        entryResponseCommand.init(entryRetriever);
        break;
      case GetKeysInGroupCommand.COMMAND_ID:
        GetKeysInGroupCommand getKeysInGroupCommand = (GetKeysInGroupCommand) c;
        getKeysInGroupCommand.setGroupManager(groupManager);
        break;
      case ClusteredGetAllCommand.COMMAND_ID:
        ClusteredGetAllCommand clusteredGetAllCommand = (ClusteredGetAllCommand) c;
        clusteredGetAllCommand.init(
            icf,
            this,
            entryFactory,
            interceptorChain,
            txTable,
            configuration.dataContainer().keyEquivalence());
        break;
      case StreamRequestCommand.COMMAND_ID:
        StreamRequestCommand streamRequestCommand = (StreamRequestCommand) c;
        streamRequestCommand.inject(localStreamManager);
        break;
      case StreamResponseCommand.COMMAND_ID:
        StreamResponseCommand streamResponseCommand = (StreamResponseCommand) c;
        streamResponseCommand.inject(clusterStreamManager);
        break;
      case StreamSegmentResponseCommand.COMMAND_ID:
        StreamSegmentResponseCommand streamSegmentResponseCommand =
            (StreamSegmentResponseCommand) c;
        streamSegmentResponseCommand.inject(clusterStreamManager);
        break;
      case RemoveExpiredCommand.COMMAND_ID:
        RemoveExpiredCommand removeExpiredCommand = (RemoveExpiredCommand) c;
        removeExpiredCommand.init(notifier, configuration);
        break;
      default:
        ModuleCommandInitializer mci = moduleCommandInitializers.get(c.getCommandId());
        if (mci != null) {
          mci.initializeReplicableCommand(c, isRemote);
        } else {
          if (trace) log.tracef("Nothing to initialize for command: %s", c);
        }
    }
  }
  /** @param isRemote true if the command is deserialized and is executed remote. */
  public void initializeReplicableCommand(ReplicableCommand c, boolean isRemote) {
    if (c == null) return;
    switch (c.getCommandId()) {
      case PutKeyValueCommand.COMMAND_ID:
        ((PutKeyValueCommand) c).init(notifier);
        break;
      case PutMapCommand.COMMAND_ID:
        ((PutMapCommand) c).init(notifier);
        break;
      case RemoveCommand.COMMAND_ID:
        ((RemoveCommand) c).init(notifier);
        break;
      case MultipleRpcCommand.COMMAND_ID:
        MultipleRpcCommand rc = (MultipleRpcCommand) c;
        rc.init(interceptorChain, icc);
        if (rc.getCommands() != null)
          for (ReplicableCommand nested : rc.getCommands()) {
            initializeReplicableCommand(nested, false);
          }
        break;
      case SingleRpcCommand.COMMAND_ID:
        SingleRpcCommand src = (SingleRpcCommand) c;
        src.init(interceptorChain, icc);
        if (src.getCommand() != null) initializeReplicableCommand(src.getCommand(), false);

        break;
      case InvalidateCommand.COMMAND_ID:
        InvalidateCommand ic = (InvalidateCommand) c;
        ic.init(notifier);
        break;
      case InvalidateL1Command.COMMAND_ID:
        InvalidateL1Command ilc = (InvalidateL1Command) c;
        ilc.init(configuration, distributionManager, notifier, dataContainer);
        break;
      case PrepareCommand.COMMAND_ID:
        PrepareCommand pc = (PrepareCommand) c;
        pc.init(interceptorChain, icc, txTable);
        pc.initialize(notifier, recoveryManager);
        if (pc.getModifications() != null)
          for (ReplicableCommand nested : pc.getModifications()) {
            initializeReplicableCommand(nested, false);
          }
        pc.markTransactionAsRemote(isRemote);
        if (configuration.isEnableDeadlockDetection() && isRemote) {
          DldGlobalTransaction transaction = (DldGlobalTransaction) pc.getGlobalTransaction();
          transaction.setLocksHeldAtOrigin(pc.getAffectedKeys());
        }
        break;
      case CommitCommand.COMMAND_ID:
        CommitCommand commitCommand = (CommitCommand) c;
        commitCommand.init(interceptorChain, icc, txTable);
        commitCommand.markTransactionAsRemote(isRemote);
        break;
      case RollbackCommand.COMMAND_ID:
        RollbackCommand rollbackCommand = (RollbackCommand) c;
        rollbackCommand.init(interceptorChain, icc, txTable);
        rollbackCommand.markTransactionAsRemote(isRemote);
        break;
      case ClearCommand.COMMAND_ID:
        ClearCommand cc = (ClearCommand) c;
        cc.init(notifier);
        break;
      case ClusteredGetCommand.COMMAND_ID:
        ClusteredGetCommand clusteredGetCommand = (ClusteredGetCommand) c;
        clusteredGetCommand.initialize(icc, this, interceptorChain, distributionManager);
        break;
      case LockControlCommand.COMMAND_ID:
        LockControlCommand lcc = (LockControlCommand) c;
        lcc.init(interceptorChain, icc, txTable);
        lcc.markTransactionAsRemote(isRemote);
        if (configuration.isEnableDeadlockDetection() && isRemote) {
          DldGlobalTransaction gtx = (DldGlobalTransaction) lcc.getGlobalTransaction();
          RemoteTransaction transaction = txTable.getRemoteTransaction(gtx);
          if (transaction != null) {
            if (!configuration.getCacheMode().isDistributed()) {
              Set<Object> keys = txTable.getLockedKeysForRemoteTransaction(gtx);
              GlobalTransaction gtx2 = transaction.getGlobalTransaction();
              ((DldGlobalTransaction) gtx2).setLocksHeldAtOrigin(keys);
              gtx.setLocksHeldAtOrigin(keys);
            } else {
              GlobalTransaction gtx2 = transaction.getGlobalTransaction();
              ((DldGlobalTransaction) gtx2).setLocksHeldAtOrigin(gtx.getLocksHeldAtOrigin());
            }
          }
        }
        break;
      case RehashControlCommand.COMMAND_ID:
        RehashControlCommand rcc = (RehashControlCommand) c;
        rcc.init(distributionManager, configuration, dataContainer, this);
        break;
      case GetInDoubtTransactionsCommand.COMMAND_ID:
        GetInDoubtTransactionsCommand gptx = (GetInDoubtTransactionsCommand) c;
        gptx.init(recoveryManager);
        break;
      case RemoveRecoveryInfoCommand.COMMAND_ID:
        RemoveRecoveryInfoCommand ftx = (RemoveRecoveryInfoCommand) c;
        ftx.init(recoveryManager);
        break;
      case MapReduceCommand.COMMAND_ID:
        MapReduceCommand mrc = (MapReduceCommand) c;
        mrc.init(
            this,
            interceptorChain,
            icc,
            distributionManager,
            cache.getAdvancedCache().getRpcManager().getAddress());
        break;
      case DistributedExecuteCommand.COMMAND_ID:
        DistributedExecuteCommand dec = (DistributedExecuteCommand) c;
        dec.init(cache);
        break;
      case GetInDoubtTxInfoCommand.COMMAND_ID:
        GetInDoubtTxInfoCommand gidTxInfoCommand = (GetInDoubtTxInfoCommand) c;
        gidTxInfoCommand.init(recoveryManager);
        break;
      case CompleteTransactionCommand.COMMAND_ID:
        CompleteTransactionCommand ccc = (CompleteTransactionCommand) c;
        ccc.init(recoveryManager);
        break;
      default:
        ModuleCommandInitializer mci = moduleCommandInitializers.get(c.getCommandId());
        if (mci != null) {
          mci.initializeReplicableCommand(c, isRemote);
        } else {
          if (trace) log.tracef("Nothing to initialize for command: %s", c);
        }
    }
  }
 private void replayModifications(PrepareCommand command) throws Throwable {
   for (WriteCommand c : command.getModifications()) {
     c.acceptVisitor(null, this);
   }
 }