Package org.modeshape.jcr.txn.Transactions

Examples of org.modeshape.jcr.txn.Transactions.Transaction

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    private <V> V runInTransaction( Callable<V> operation ) {
        // Start a transaction ...
        Transactions txns = sessionContext.getTransactions();
        try {
            Transaction txn = txns.begin();
            try {
                V result = operation.call();
                txn.commit();
                return result;
            } catch (Exception e) {
                txn.rollback();
                throw (e instanceof RuntimeException) ? (RuntimeException)e : new RuntimeException(e);
            }
        } catch (IllegalStateException | SystemException err) {
            throw new SystemFailureException(err);
        } catch (NotSupportedException e) {
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            return;
        }

        ChangeSet events = null;
        Lock lock = this.lock.writeLock();
        Transaction txn = null;
        try {
            lock.lock();

            // Before we start the transaction, apply the pre-save operations to the new and changed nodes ...
            runPreSaveBeforeTransaction(preSaveOperation);

            final int numNodes = this.changedNodes.size();

            int repeat = txns.isCurrentlyInTransaction() ? 1 : MAX_REPEAT_FOR_LOCK_ACQUISITION_TIMEOUT;
            while (--repeat >= 0) {
                try {
                    // Start a ModeShape transaction (which may be a part of a larger JTA transaction) ...
                    txn = txns.begin();
                    assert txn != null;

                    // Lock the nodes in Infinispan
                    WorkspaceCache persistedCache = lockNodes(changedNodesInOrder);

                    // process after locking
                    runPreSaveAfterLocking(preSaveOperation, persistedCache);

                    // Now persist the changes ...
                    logChangesBeingSaved(this.changedNodesInOrder, this.changedNodes, null, null);
                    events = persistChanges(this.changedNodesInOrder, persistedCache);

                    // If there are any binary changes, add a function which will update the binary store
                    if (events.hasBinaryChanges()) {
                        txn.uponCommit(binaryUsageUpdateFunction(events.usedBinaries(), events.unusedBinaries()));
                    }

                    LOGGER.debug("Altered {0} node(s)", numNodes);

                    // Commit the transaction ...
                    txn.commit();

                    clearState();

                } catch (org.infinispan.util.concurrent.TimeoutException e) {
                    if (txn != null) {
                        txn.rollback();
                    }
                    if (repeat <= 0) {
                        throw new TimeoutException(e.getMessage(), e);
                    }
                    Thread.sleep(PAUSE_TIME_BEFORE_REPEAT_FOR_LOCK_ACQUISITION_TIMEOUT);
                    continue;
                } catch (NotSupportedException err) {
                    // No nested transactions are supported ...
                    throw new SystemFailureException(err);
                } catch (SecurityException err) {
                    // No privilege to commit ...
                    throw new SystemFailureException(err);
                } catch (IllegalStateException err) {
                    // Not associated with a txn??
                    throw new SystemFailureException(err);
                } catch (RollbackException err) {
                    // Couldn't be committed, but the txn is already rolled back ...
                    return;
                } catch (HeuristicMixedException err) {
                    // Rollback has occurred ...
                    return;
                } catch (HeuristicRollbackException err) {
                    // Rollback has occurred ...
                    return;
                } catch (SystemException err) {
                    // System failed unexpectedly ...
                    throw new SystemFailureException(err);
                } catch (Throwable t) {
                    // any other exception/error we should rollback
                    if (txn != null) {
                        txn.rollback();
                    }
                    // let the exception bubble up
                    throw t;
                }
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        Lock thisLock = this.lock.writeLock();
        Lock thatLock = that.lock.writeLock();

        ChangeSet events1 = null;
        ChangeSet events2 = null;
        Transaction txn = null;
        try {
            thisLock.lock();
            thatLock.lock();

            // Before we start the transaction, apply the pre-save operations to the new and changed nodes ...
            runPreSaveBeforeTransaction(preSaveOperation);

            final int numNodes = this.changedNodes.size() + that.changedNodes.size();

            int repeat = txns.isCurrentlyInTransaction() ? 1 : MAX_REPEAT_FOR_LOCK_ACQUISITION_TIMEOUT;
            while (--repeat >= 0) {
                try {
                    // Start a ModeShape transaction (which may be a part of a larger JTA transaction) ...
                    txn = txns.begin();
                    assert txn != null;

                    // Get a monitor via the transaction ...
                    try {
                        // Lock the nodes in Infinispan
                        WorkspaceCache thisPersistedCache = lockNodes(this.changedNodesInOrder);
                        WorkspaceCache thatPersistedCache = that.lockNodes(that.changedNodesInOrder);

                        // process after locking
                        runPreSaveAfterLocking(preSaveOperation, thisPersistedCache);

                        // Now persist the changes ...
                        logChangesBeingSaved(this.changedNodesInOrder, this.changedNodes, that.changedNodesInOrder,
                                             that.changedNodes);
                        events1 = persistChanges(this.changedNodesInOrder, thisPersistedCache);
                        // If there are any binary changes, add a function which will update the binary store
                        if (events1.hasBinaryChanges()) {
                            txn.uponCommit(binaryUsageUpdateFunction(events1.usedBinaries(), events1.unusedBinaries()));
                        }
                        events2 = that.persistChanges(that.changedNodesInOrder, thatPersistedCache);
                        if (events2.hasBinaryChanges()) {
                            txn.uponCommit(binaryUsageUpdateFunction(events2.usedBinaries(), events2.unusedBinaries()));
                        }
                    } catch (org.infinispan.util.concurrent.TimeoutException e) {
                        txn.rollback();
                        if (repeat <= 0) throw new TimeoutException(e.getMessage(), e);
                        --repeat;
                        Thread.sleep(PAUSE_TIME_BEFORE_REPEAT_FOR_LOCK_ACQUISITION_TIMEOUT);
                        continue;
                    } catch (IllegalStateException err) {
                        // Not associated with a txn??
                        throw new SystemFailureException(err);
                    } catch (IllegalArgumentException err) {
                        // Not associated with a txn??
                        throw new SystemFailureException(err);
                    } catch (Exception e) {
                        LOGGER.debug(e, "Error while attempting to save");
                        // Some error occurred (likely within our code) ...
                        txn.rollback();
                        throw e;
                    }

                    LOGGER.debug("Altered {0} node(s)", numNodes);

                    // Commit the transaction ...
                    txn.commit();

                    if (LOGGER.isDebugEnabled()) {
                        LOGGER.debug("Altered {0} keys: {1}", numNodes, this.changedNodes.keySet());
                    }
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        Lock thisLock = this.lock.writeLock();
        Lock thatLock = that.lock.writeLock();

        ChangeSet events1 = null;
        ChangeSet events2 = null;
        Transaction txn = null;
        try {
            thisLock.lock();
            thatLock.lock();

            // Before we start the transaction, apply the pre-save operations to the new and changed nodes below the path ...
            final List<NodeKey> savedNodesInOrder = new LinkedList<NodeKey>();

            // Before we start the transaction, apply the pre-save operations to the new and changed nodes ...
            if (preSaveOperation != null) {
                SaveContext saveContext = new BasicSaveContext(context());
                for (MutableCachedNode node : this.changedNodes.values()) {
                    if (node == REMOVED || !toBeSaved.contains(node.getKey())) {
                        continue;
                    }
                    checkNodeNotRemovedByAnotherTransaction(node);
                    preSaveOperation.process(node, saveContext);
                    savedNodesInOrder.add(node.getKey());
                }
            }

            final int numNodes = savedNodesInOrder.size() + that.changedNodesInOrder.size();

            int repeat = txns.isCurrentlyInTransaction() ? 1 : MAX_REPEAT_FOR_LOCK_ACQUISITION_TIMEOUT;
            while (--repeat >= 0) {
                try {
                    // Start a ModeShape transaction (which may be a part of a larger JTA transaction) ...
                    txn = txns.begin();
                    assert txn != null;

                    try {
                        // Lock the nodes in Infinispan
                        WorkspaceCache thisPersistedCache = lockNodes(savedNodesInOrder);
                        WorkspaceCache thatPersistedCache = that.lockNodes(that.changedNodesInOrder);

                        // process after locking
                        // Before we start the transaction, apply the pre-save operations to the new and changed nodes ...
                        if (preSaveOperation != null) {
                            SaveContext saveContext = new BasicSaveContext(context());
                            for (MutableCachedNode node : this.changedNodes.values()) {
                                if (node == REMOVED || !toBeSaved.contains(node.getKey())) {
                                    continue;
                                }
                                preSaveOperation.processAfterLocking(node, saveContext, thisPersistedCache);
                            }
                        }

                        // Now persist the changes ...
                        logChangesBeingSaved(savedNodesInOrder, this.changedNodes, that.changedNodesInOrder, that.changedNodes);
                        events1 = persistChanges(savedNodesInOrder, thisPersistedCache);
                        // If there are any binary changes, add a function which will update the binary store
                        if (events1.hasBinaryChanges()) {
                            txn.uponCommit(binaryUsageUpdateFunction(events1.usedBinaries(), events1.unusedBinaries()));
                        }
                        events2 = that.persistChanges(that.changedNodesInOrder, thatPersistedCache);
                        if (events2.hasBinaryChanges()) {
                            txn.uponCommit(binaryUsageUpdateFunction(events2.usedBinaries(), events2.unusedBinaries()));
                        }
                    } catch (org.infinispan.util.concurrent.TimeoutException e) {
                        txn.rollback();
                        if (repeat <= 0) throw new TimeoutException(e.getMessage(), e);
                        --repeat;
                        Thread.sleep(PAUSE_TIME_BEFORE_REPEAT_FOR_LOCK_ACQUISITION_TIMEOUT);
                        continue;
                    } catch (IllegalStateException err) {
                        // Not associated with a txn??
                        throw new SystemFailureException(err);
                    } catch (IllegalArgumentException err) {
                        // Not associated with a txn??
                        throw new SystemFailureException(err);
                    } catch (Exception e) {
                        // Some error occurred (likely within our code) ...
                        txn.rollback();
                        throw e;
                    }

                    LOGGER.debug("Altered {0} node(s)", numNodes);

                    // Commit the transaction ...
                    txn.commit();

                    clearState(savedNodesInOrder);
                    that.clearState();

                } catch (NotSupportedException err) {
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