Examples with Xid javax.transaction.xa.Xid used on opensource projects

Example 56 with Xid

use of javax.transaction.xa.Xid in project graphdb by neo4j-attic.

the class TransactionImpl method isOnePhase.

private boolean isOnePhase() {
    if (resourceList.size() == 0) {
        log.severe("Detected zero resources in resourceList");
        return true;
    }
    // check for more than one unique xid
    Iterator<ResourceElement> itr = resourceList.iterator();
    Xid xid = itr.next().getXid();
    while (itr.hasNext()) {
        if (!xid.equals(itr.next().getXid())) {
            return false;
        }
    }
    return true;
}

Example 57 with Xid

use of javax.transaction.xa.Xid in project graphdb by neo4j-attic.

the class TransactionImpl method doCommit.

void doCommit() throws XAException, SystemException {
    boolean onePhase = isOnePhase();
    boolean readOnly = true;
    if (!onePhase) {
        // prepare
        status = Status.STATUS_PREPARING;
        LinkedList<Xid> preparedXids = new LinkedList<Xid>();
        Iterator<ResourceElement> itr = resourceList.iterator();
        while (itr.hasNext()) {
            ResourceElement re = itr.next();
            if (!preparedXids.contains(re.getXid())) {
                preparedXids.add(re.getXid());
                int vote = re.getResource().prepare(re.getXid());
                if (vote == XAResource.XA_OK) {
                    readOnly = false;
                } else if (vote == XAResource.XA_RDONLY) {
                    re.setStatus(RS_READONLY);
                } else {
                    // rollback tx
                    status = Status.STATUS_MARKED_ROLLBACK;
                    return;
                }
            } else {
                // set it to readonly, only need to commit once
                re.setStatus(RS_READONLY);
            }
        }
        status = Status.STATUS_PREPARED;
    }
    // commit
    if (!onePhase && readOnly) {
        status = Status.STATUS_COMMITTED;
        return;
    }
    if (!onePhase) {
        try {
            txManager.getTxLog().markAsCommitting(getGlobalId());
        } catch (IOException e) {
            e.printStackTrace();
            log.severe("Error writing transaction log");
            txManager.setTmNotOk();
            throw new SystemException("TM encountered a problem, " + " error writing transaction log," + e);
        }
    }
    status = Status.STATUS_COMMITTING;
    Iterator<ResourceElement> itr = resourceList.iterator();
    while (itr.hasNext()) {
        ResourceElement re = itr.next();
        if (re.getStatus() != RS_READONLY) {
            re.getResource().commit(re.getXid(), onePhase);
        }
    }
    status = Status.STATUS_COMMITTED;
}

Example 58 with Xid

use of javax.transaction.xa.Xid in project graphdb by neo4j-attic.

the class TransactionImpl method enlistResource.

public synchronized boolean enlistResource(XAResource xaRes) throws RollbackException, IllegalStateException, SystemException {
    if (xaRes == null) {
        throw new IllegalArgumentException("Null xa resource");
    }
    if (status == Status.STATUS_ACTIVE || status == Status.STATUS_PREPARING) {
        try {
            if (resourceList.size() == 0) {
                if (!globalStartRecordWritten) {
                    txManager.writeStartRecord(globalId);
                    globalStartRecordWritten = true;
                }
                // 
                byte[] branchId = txManager.getBranchId(xaRes);
                Xid xid = new XidImpl(globalId, branchId);
                resourceList.add(new ResourceElement(xid, xaRes));
                xaRes.start(xid, XAResource.TMNOFLAGS);
                try {
                    txManager.getTxLog().addBranch(globalId, branchId);
                } catch (IOException e) {
                    e.printStackTrace();
                    log.severe("Error writing transaction log");
                    txManager.setTmNotOk();
                    throw new SystemException("TM encountered a problem, " + " error writing transaction log," + e);
                }
                return true;
            }
            Xid sameRmXid = null;
            Iterator<ResourceElement> itr = resourceList.iterator();
            while (itr.hasNext()) {
                ResourceElement re = itr.next();
                if (sameRmXid == null && re.getResource().isSameRM(xaRes)) {
                    sameRmXid = re.getXid();
                }
                if (xaRes == re.getResource()) {
                    if (re.getStatus() == RS_SUSPENDED) {
                        xaRes.start(re.getXid(), XAResource.TMRESUME);
                    } else {
                        // either enlisted or delisted
                        // is TMJOIN correct then?
                        xaRes.start(re.getXid(), XAResource.TMJOIN);
                    }
                    re.setStatus(RS_ENLISTED);
                    return true;
                }
            }
            if (// should we join?
            sameRmXid != null) {
                resourceList.add(new ResourceElement(sameRmXid, xaRes));
                xaRes.start(sameRmXid, XAResource.TMJOIN);
            } else // new branch
            {
                // ResourceElement re = resourceList.getFirst();
                byte[] branchId = txManager.getBranchId(xaRes);
                Xid xid = new XidImpl(globalId, branchId);
                resourceList.add(new ResourceElement(xid, xaRes));
                xaRes.start(xid, XAResource.TMNOFLAGS);
                try {
                    txManager.getTxLog().addBranch(globalId, branchId);
                } catch (IOException e) {
                    e.printStackTrace();
                    log.severe("Error writing transaction log");
                    txManager.setTmNotOk();
                    throw new SystemException("TM encountered a problem, " + " error writing transaction log," + e);
                }
            }
            return true;
        } catch (XAException e) {
            e.printStackTrace();
            log.severe("Unable to enlist resource[" + xaRes + "]");
            status = Status.STATUS_MARKED_ROLLBACK;
            return false;
        }
    } else if (status == Status.STATUS_ROLLING_BACK || status == Status.STATUS_ROLLEDBACK || status == Status.STATUS_MARKED_ROLLBACK) {
        throw new RollbackException("Tx status is: " + txManager.getTxStatusAsString(status));
    }
    throw new IllegalStateException("Tx status is: " + txManager.getTxStatusAsString(status));
}

Example 59 with Xid

use of javax.transaction.xa.Xid in project graphdb by neo4j-attic.

the class TestXa method testApplyLogicalLog.

@Test
public void testApplyLogicalLog() throws Exception {
    ds.keepLogicalLogs(true);
    Xid xid = new XidImpl(new byte[1], new byte[1]);
    XAResource xaRes = xaCon.getXaResource();
    xaRes.start(xid, XAResource.TMNOFLAGS);
    long node1 = ds.nextId(Node.class);
    xaCon.getNodeConsumer().createNode(node1);
    long node2 = ds.nextId(Node.class);
    xaCon.getNodeConsumer().createNode(node2);
    long n1prop1 = ds.nextId(PropertyStore.class);
    xaCon.getNodeConsumer().addProperty(node1, n1prop1, index("prop1"), "string1");
    xaCon.getNodeConsumer().getProperties(node1, false);
    int relType1 = (int) ds.nextId(RelationshipType.class);
    xaCon.getRelationshipTypeConsumer().addRelationshipType(relType1, "relationshiptype1");
    long rel1 = ds.nextId(Relationship.class);
    xaCon.getRelationshipConsumer().createRelationship(rel1, node1, node2, relType1);
    long r1prop1 = ds.nextId(PropertyStore.class);
    xaCon.getRelationshipConsumer().addProperty(rel1, r1prop1, index("prop1"), "string1");
    xaCon.getNodeConsumer().changeProperty(node1, n1prop1, "string2");
    xaCon.getRelationshipConsumer().changeProperty(rel1, r1prop1, "string2");
    xaCon.getNodeConsumer().removeProperty(node1, n1prop1);
    xaCon.getRelationshipConsumer().removeProperty(rel1, r1prop1);
    xaCon.getRelationshipConsumer().deleteRelationship(rel1);
    xaCon.getNodeConsumer().deleteNode(node1);
    xaCon.getNodeConsumer().deleteNode(node2);
    xaRes.end(xid, XAResource.TMSUCCESS);
    xaRes.commit(xid, true);
    long currentVersion = ds.getCurrentLogVersion();
    ds.keepLogicalLogs(true);
    ds.rotateLogicalLog();
    ds.rotateLogicalLog();
    ds.rotateLogicalLog();
    ds.setCurrentLogVersion(currentVersion);
    ds.setLastCommittedTxId(0);
    ds.makeBackupSlave();
    ds.applyLog(ds.getLogicalLog(currentVersion));
    ds.applyLog(ds.getLogicalLog(currentVersion + 1));
    ds.applyLog(ds.getLogicalLog(currentVersion + 2));
    ds.keepLogicalLogs(false);
}

Example 60 with Xid

use of javax.transaction.xa.Xid in project graphdb by neo4j-attic.

the class TestXa method testBrokenNodeCommand.

@Test
public void testBrokenNodeCommand() throws Exception {
    Xid xid = new XidImpl(new byte[4], new byte[4]);
    XAResource xaRes = xaCon.getXaResource();
    xaRes.start(xid, XAResource.TMNOFLAGS);
    long node1 = ds.nextId(Node.class);
    xaCon.getNodeConsumer().createNode(node1);
    xaRes.end(xid, XAResource.TMSUCCESS);
    xaRes.prepare(xid);
    xaCon.clearAllTransactions();
    copyLogicalLog(path());
    xaCon.clearAllTransactions();
    ds.close();
    deleteLogicalLogIfExist();
    renameCopiedLogicalLog(path());
    truncateLogicalLog(40);
    ds = newNeoStore();
    //        ds = new NeoStoreXaDataSource( file( "neo" ), file( "nioneo_logical.log" ),
    //            lockManager, lockReleaser );
    xaCon = (NeoStoreXaConnection) ds.getXaConnection();
    xaRes = xaCon.getXaResource();
    assertEquals(0, xaRes.recover(XAResource.TMNOFLAGS).length);
    xaCon.clearAllTransactions();
}