Java Code Examples for javax.transaction.xa.XAResource#TMSTARTRSCAN
The following examples show how to use
javax.transaction.xa.XAResource#TMSTARTRSCAN .
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Example 1
| Source File: ClientSessionImpl.java From activemq-artemis with Apache License 2.0 | 6 votes |
|
@Override
public Xid[] recover(final int flags) throws XAException {
checkXA();
if ((flags & XAResource.TMSTARTRSCAN) == XAResource.TMSTARTRSCAN) {
try {
return sessionContext.xaScan();
} catch (Throwable t) {
// This could occur if the TM interrupts the thread
XAException xaException = new XAException(XAException.XAER_RMFAIL);
xaException.initCause(t);
throw xaException;
}
}
return new Xid[0];
}
Example 2
| Source File: EhcacheXAResource.java From ehcache3 with Apache License 2.0 | 6 votes |
|
@Override
public Xid[] recover(int flags) throws XAException {
if (flags != XAResource.TMNOFLAGS && flags != XAResource.TMSTARTRSCAN && flags != XAResource.TMENDRSCAN && flags != (XAResource.TMSTARTRSCAN | XAResource.TMENDRSCAN)) {
throw new EhcacheXAException("Recover flags not supported : " + xaResourceFlagsToString(flags), XAException.XAER_INVAL);
}
if ((flags & XAResource.TMSTARTRSCAN) == XAResource.TMSTARTRSCAN) {
List<Xid> xids = new ArrayList<>();
Set<TransactionId> transactionIds = journal.recover().keySet();
for (TransactionId transactionId : transactionIds) {
// filter-out in-flight tx
if (!transactionContextFactory.contains(transactionId)) {
xids.add(transactionId.getSerializableXid());
}
}
return xids.toArray(new Xid[xids.size()]);
}
return new Xid[0];
}
Example 3
| Source File: ResourceAdapterImpl.java From gemfirexd-oss with Apache License 2.0 | 5 votes |
|
@Override
public Xid[] recover(int flags) throws StandardException {
XAXactId[] ret_xid_list;
if ((flags & XAResource.TMSTARTRSCAN) != 0) {
XAXactId[] xid_list = new XAXactId[connectionTable.size()];
int num_prepared = 0;
// Need to hold sync while linear searching the hash table.
synchronized (connectionTable) {
int i = 0;
for (Enumeration e = connectionTable.elements(); e.hasMoreElements(); i++) {
XATransactionState xaTxnState = (XATransactionState)e.nextElement();
if (xaTxnState.isPrepared()) {
xid_list[i] = xaTxnState.getXId();
num_prepared++;
}
}
}
// now need to squish the nulls out of the array to return.
ret_xid_list = new XAXactId[num_prepared];
int ret_index = 0;
for (int i = xid_list.length; i-- > 0;) {
if (xid_list[i] != null)
ret_xid_list[ret_index++] = xid_list[i];
}
if (SanityManager.DEBUG) {
SanityManager.ASSERT(ret_index == num_prepared);
}
}
else {
ret_xid_list = new XAXactId[0];
}
return (ret_xid_list);
}
Example 4
| Source File: ResourceAdapterImpl.java From gemfirexd-oss with Apache License 2.0 | 5 votes |
|
@Override
public Xid[] recover(int flags) throws StandardException {
XAXactId[] ret_xid_list;
if ((flags & XAResource.TMSTARTRSCAN) != 0) {
XAXactId[] xid_list = new XAXactId[connectionTable.size()];
int num_prepared = 0;
// Need to hold sync while linear searching the hash table.
synchronized (connectionTable) {
int i = 0;
for (Enumeration e = connectionTable.elements(); e.hasMoreElements(); i++) {
XATransactionState xaTxnState = (XATransactionState)e.nextElement();
if (xaTxnState.isPrepared()) {
xid_list[i] = xaTxnState.getXId();
num_prepared++;
}
}
}
// now need to squish the nulls out of the array to return.
ret_xid_list = new XAXactId[num_prepared];
int ret_index = 0;
for (int i = xid_list.length; i-- > 0;) {
if (xid_list[i] != null)
ret_xid_list[ret_index++] = xid_list[i];
}
if (SanityManager.DEBUG) {
SanityManager.ASSERT(ret_index == num_prepared);
}
}
else {
ret_xid_list = new XAXactId[0];
}
return (ret_xid_list);
}
Example 5
| Source File: AbstractTransactionAssistanceXAResource.java From genericconnector with Apache License 2.0 | 5 votes |
|
@Override
public Xid[] recover(int flag) throws XAException {
List<Xid> xids = new ArrayList<Xid>();
switch(flag) {
case (XAResource.TMSTARTRSCAN):
log.log(Level.INFO, "RECOVER TMSTARTRSCAN");
UnderlyingConnection callback = getUnderlyingConnection();
if(callback != null){
final String[] unfinishedTxIds;
if(isHandleRecoveryInternally()){
unfinishedTxIds = getTransactionsInNeedOfRecovery();
}else{
unfinishedTxIds = callback.getTransactionsInNeedOfRecovery();
}
if(unfinishedTxIds != null){
for(String txId : unfinishedTxIds){
log.log(Level.INFO, "recovery required for " + txId);
Xid xid = XidImpl.getXid(txId);
xids.add(xid);
}
}
}
break;
case (XAResource.TMENDRSCAN):
log.log(Level.INFO, "RECOVER TMENDRSCAN");
break;
case (XAResource.TMNOFLAGS):
log.log(Level.INFO, "RECOVER TMNOFLAGS");
break;
default:
log.log(Level.INFO, "RECOVER " + flag);
}
return xids.toArray(new Xid[0]);
}
Example 6
| Source File: XactXAResourceManager.java From gemfirexd-oss with Apache License 2.0 | 4 votes |
|
/**
* This method is called to obtain a list of prepared transactions.
* <p>
* This call returns a complete list of global transactions which are
* either prepared or heuristically complete.
* <p>
* The XAResource interface expects a scan type interface, but our
* implementation only returns a complete list of transactions. So to
* simulate the scan the following state is maintained. If TMSTARTSCAN
* is specified the complete list is returned. If recover is called with
* TMNOFLAGS is ever called a 0 length array is returned.
*
* @return Return a array with 0 or more Xid's which are currently in
* prepared or heuristically completed state. If an error occurs
* during the operation, an appropriate error is thrown.
*
* @param flags combination of the following flags
* XAResource.{TMSTARTRSCAN,TMENDRSCAN,TMNOFLAGS}.
* TMNOFLAGS must be used when no other flags are used.
*
* @exception StandardException Standard exception policy.
**/
public Xid[] recover(int flags)
throws StandardException
{
XAXactId[] ret_xid_list;
if ((flags & XAResource.TMSTARTRSCAN) != 0)
{
Hashtable trans_hashtable = transaction_table.getTableForXA();
XAXactId[] xid_list = new XAXactId[trans_hashtable.size()];
int num_prepared = 0;
// Need to hold sync while linear searching the hash table.
synchronized (trans_hashtable)
{
int i = 0;
for (Enumeration e = trans_hashtable.elements();
e.hasMoreElements(); i++)
{
Xact xact =
((TransactionTableEntry) e.nextElement()).getXact();
if (xact.isPrepared())
{
GlobalTransactionId xa_id = xact.getGlobalId();
xid_list[i] =
new XAXactId(
xa_id.getFormat_Id(),
xa_id.getGlobalTransactionId(),
xa_id.getBranchQualifier());
num_prepared++;
}
}
}
// now need to squish the nulls out of the array to return.
ret_xid_list = new XAXactId[num_prepared];
int ret_index = 0;
for (int i = xid_list.length; i-- > 0; )
{
if (xid_list[i] != null)
ret_xid_list[ret_index++] = xid_list[i];
}
if (SanityManager.DEBUG)
{
SanityManager.ASSERT(ret_index == num_prepared);
}
}
else
{
ret_xid_list = new XAXactId[0];
}
return(ret_xid_list);
}
Example 7
| Source File: XactXAResourceManager.java From gemfirexd-oss with Apache License 2.0 | 4 votes |
|
/**
* This method is called to obtain a list of prepared transactions.
* <p>
* This call returns a complete list of global transactions which are
* either prepared or heuristically complete.
* <p>
* The XAResource interface expects a scan type interface, but our
* implementation only returns a complete list of transactions. So to
* simulate the scan the following state is maintained. If TMSTARTSCAN
* is specified the complete list is returned. If recover is called with
* TMNOFLAGS is ever called a 0 length array is returned.
*
* @return Return a array with 0 or more Xid's which are currently in
* prepared or heuristically completed state. If an error occurs
* during the operation, an appropriate error is thrown.
*
* @param flags combination of the following flags
* XAResource.{TMSTARTRSCAN,TMENDRSCAN,TMNOFLAGS}.
* TMNOFLAGS must be used when no other flags are used.
*
* @exception StandardException Standard exception policy.
**/
public Xid[] recover(int flags)
throws StandardException
{
XAXactId[] ret_xid_list;
if ((flags & XAResource.TMSTARTRSCAN) != 0)
{
Hashtable trans_hashtable = transaction_table.getTableForXA();
XAXactId[] xid_list = new XAXactId[trans_hashtable.size()];
int num_prepared = 0;
// Need to hold sync while linear searching the hash table.
synchronized (trans_hashtable)
{
int i = 0;
for (Enumeration e = trans_hashtable.elements();
e.hasMoreElements(); i++)
{
Xact xact =
((TransactionTableEntry) e.nextElement()).getXact();
if (xact.isPrepared())
{
GlobalTransactionId xa_id = xact.getGlobalId();
xid_list[i] =
new XAXactId(
xa_id.getFormat_Id(),
xa_id.getGlobalTransactionId(),
xa_id.getBranchQualifier());
num_prepared++;
}
}
}
// now need to squish the nulls out of the array to return.
ret_xid_list = new XAXactId[num_prepared];
int ret_index = 0;
for (int i = xid_list.length; i-- > 0; )
{
if (xid_list[i] != null)
ret_xid_list[ret_index++] = xid_list[i];
}
if (SanityManager.DEBUG)
{
SanityManager.ASSERT(ret_index == num_prepared);
}
}
else
{
ret_xid_list = new XAXactId[0];
}
return(ret_xid_list);
}
Example 8
| Source File: FBManagedConnection.java From jaybird with GNU Lesser General Public License v2.1 | 4 votes |
|
/**
* Obtain a list of prepared transaction branches from a resource manager.
* The transaction manager calls this method during recovery to obtain the
* list of transaction branches that are currently in prepared or
* heuristically completed states.
*
* @param flags
* One of TMSTARTRSCAN, TMENDRSCAN, TMNOFLAGS. TMNOFLAGS must be used when no other flags are set in flags.
* @return The resource manager returns zero or more XIDs for the transaction branches that are currently in a
* prepared or heuristically completed state. If an error occurs during the operation, the resource manager should
* throw the appropriate XAException.
* @throws XAException
* An error has occurred. Possible values are XAER_RMERR, XAER_RMFAIL, XAER_INVAL, and XAER_PROTO.
*/
private Xid[] recover(int flags) throws javax.transaction.xa.XAException {
if (flags != XAResource.TMSTARTRSCAN && flags != XAResource.TMENDRSCAN && flags != XAResource.TMNOFLAGS
&& flags != (XAResource.TMSTARTRSCAN | XAResource.TMENDRSCAN)) {
throw new FBXAException("flag not allowed in this context: " + flags + ", valid flags are TMSTARTRSCAN, TMENDRSCAN, TMNOFLAGS, TMSTARTRSCAN|TMENDRSCAN", XAException.XAER_PROTO);
}
try {
// if (!((flags & XAResource.TMSTARTRSCAN) == 0))
// if ((flags & XAResource.TMENDRSCAN) == 0 && (flags & XAResource.TMNOFLAGS) == 0)
// return new Xid[0];
List<FBXid> xids = new ArrayList<>();
FbTransaction trHandle2 = database.startTransaction(tpb.getTransactionParameterBuffer());
FbStatement stmtHandle2 = database.createStatement(trHandle2);
GDSHelper gdsHelper2 = new GDSHelper(database);
gdsHelper2.setCurrentTransaction(trHandle2);
stmtHandle2.prepare(RECOVERY_QUERY);
DataProvider dataProvider0 = new DataProvider(0);
stmtHandle2.addStatementListener(dataProvider0);
DataProvider dataProvider1 = new DataProvider(1);
stmtHandle2.addStatementListener(dataProvider1);
stmtHandle2.execute(RowValue.EMPTY_ROW_VALUE);
stmtHandle2.fetchRows(10);
FBField field0 = FBField.createField(stmtHandle2.getRowDescriptor().getFieldDescriptor(0), dataProvider0, gdsHelper2, false);
FBField field1 = FBField.createField(stmtHandle2.getRowDescriptor().getFieldDescriptor(1), dataProvider1, gdsHelper2, false);
int row = 0;
while (row < dataProvider0.getRowCount()) {
dataProvider0.setRow(row);
dataProvider1.setRow(row);
long inLimboTxId = field0.getLong();
byte[] inLimboMessage = field1.getBytes();
try {
FBXid xid = new FBXid(new ByteArrayInputStream(inLimboMessage), inLimboTxId);
xids.add(xid);
} catch (FBIncorrectXidException ex) {
log.warn("ignoring XID stored with invalid format in RDB$TRANSACTIONS for RDB$TRANSACTION_ID=" + inLimboTxId);
}
row++;
}
stmtHandle2.close();
trHandle2.commit();
return xids.toArray(new FBXid[0]);
} catch (SQLException | IOException e) {
throw new FBXAException("can't perform query to fetch xids", XAException.XAER_RMFAIL, e);
}
}
Example 9
| Source File: XASupport.java From jTDS with GNU Lesser General Public License v2.1 | 4 votes |
|
/**
* Invoke the xa_recover routine on the SQL Server.
* <p/>
* This version of xa_recover will return all XIDs on the first call.
*
* @param connection JDBC Connection enlisted in the transaction
* @param xaConId the connection ID allocated by the server
* @param flags XA Flags for start command
* @return transactions to recover as a <code>Xid[]</code>
* @exception javax.transaction.xa.XAException
* if an error condition occurs
*/
public static Xid[] xa_recover(Connection connection, int xaConId, int flags)
throws XAException {
JtdsConnection con = (JtdsConnection)connection;
if (con.isXaEmulation()) {
//
// Emulate xa_recover method
//
// There is no state available all uncommited transactions
// will have been rolled back by the server.
if (flags != XAResource.TMSTARTRSCAN &&
flags != XAResource.TMENDRSCAN &&
flags != ( XAResource.TMSTARTRSCAN | XAResource.TMENDRSCAN ) &&
flags != XAResource.TMNOFLAGS) {
raiseXAException(XAException.XAER_INVAL);
}
return new JtdsXid[0];
}
//
// Execute xa_recover via MSDTC
//
int args[] = new int[5];
args[1] = XA_RECOVER;
args[2] = xaConId;
args[3] = XA_RMID;
args[4] = XAResource.TMNOFLAGS;
Xid[] list = null;
if (flags != XAResource.TMSTARTRSCAN) {
return new JtdsXid[0];
}
try {
byte[][] buffer = ((JtdsConnection) connection).sendXaPacket(args, null);
if (args[0] >= 0) {
int n = buffer.length;
list = new JtdsXid[n];
for (int i = 0; i < n; i++) {
list[i] = new JtdsXid(buffer[i], 0);
}
}
} catch (SQLException e) {
raiseXAException(e);
}
if (args[0] < 0) {
raiseXAException(args[0]);
}
if (list == null) {
list = new JtdsXid[0];
}
return list;
}
