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package com.sun.jts.jta;
import java.util.*;
import javax.transaction.*;
import java.io.File;
import org.omg.CosTransactions.*;
import org.omg.CORBA.*;
import org.omg.CORBA.ORBPackage.InvalidName;
import com.sun.jts.CosTransactions.*;
import com.sun.jts.codegen.otsidl.*;
import javax.transaction.SystemException;
import javax.transaction.Synchronization;
import org.omg.CosTransactions.Status;
import org.omg.CosTransactions.Current;
import org.omg.CosTransactions.NoTransaction;
import org.omg.CosTransactions.HeuristicMixed;
import org.omg.CosTransactions.HeuristicHazard;
import com.sun.jts.CosTransactions.GlobalTID;
import javax.transaction.xa.Xid;
import javax.resource.spi.work.WorkException;
import javax.resource.spi.work.WorkCompletedException;
import javax.transaction.xa.XAException;
import java.util.logging.Logger;
import java.util.logging.Level;
import com.sun.logging.LogDomains;
import com.sun.jts.utils.LogFormatter;
import org.glassfish.internal.api.Globals;
/**
* An implementation of javax.transaction.TransactionManager using JTA.
*
* This is a singleton object
*
* @author Tony Ng
*/
public class TransactionManagerImpl implements TransactionManager {
/**
* the singleton object
*/
static private TransactionManagerImpl tm = null;
/**
* store the current psuedo object
*/
private Current current;
/**
* a mapping of GlobalTID -> TransactionState
*/
// private Hashtable transactionStates;
/**
* mapping between CosTransaction status -> JTA status
*/
static private HashMap statusMap;
static private int[] directLookup;
static final int maxStatus;
/*
Logger to log transaction messages
*/
static Logger _logger = LogDomains.getLogger(TransactionManagerImpl.class, LogDomains.TRANSACTION_LOGGER);
//START IASRI 4706150
/**
* store XAResource Timeout
*/
static private int xaTimeOut = 0;
//END IASRI 4706150
static private Status CosTransactionStatus[] =
{
org.omg.CosTransactions.Status.StatusActive,
org.omg.CosTransactions.Status.StatusMarkedRollback,
org.omg.CosTransactions.Status.StatusPrepared,
org.omg.CosTransactions.Status.StatusCommitted,
org.omg.CosTransactions.Status.StatusRolledBack,
org.omg.CosTransactions.Status.StatusUnknown,
org.omg.CosTransactions.Status.StatusNoTransaction,
org.omg.CosTransactions.Status.StatusPreparing,
org.omg.CosTransactions.Status.StatusCommitting,
org.omg.CosTransactions.Status.StatusRollingBack
};
static private int JTAStatus[] =
{
javax.transaction.Status.STATUS_ACTIVE,
javax.transaction.Status.STATUS_MARKED_ROLLBACK,
javax.transaction.Status.STATUS_PREPARED,
javax.transaction.Status.STATUS_COMMITTED,
javax.transaction.Status.STATUS_ROLLEDBACK,
javax.transaction.Status.STATUS_UNKNOWN,
javax.transaction.Status.STATUS_NO_TRANSACTION,
javax.transaction.Status.STATUS_PREPARING,
javax.transaction.Status.STATUS_COMMITTING,
javax.transaction.Status.STATUS_ROLLING_BACK
};
// static block to initialize statusMap
static {
statusMap = new HashMap();
int calcMaxStatus = 0;
for (int i=0; i maxStatus) {
return javax.transaction.Status.STATUS_UNKNOWN;
} else {
return directLookup[statusVal];
}
}
/**
* Create a new transaction and associate it with the current thread.
*
* @exception NotSupportedException Thrown if the thread is already
* associated with a transaction.
*/
public void begin()
throws NotSupportedException, SystemException {
try {
// does not support nested transaction
if (current.get_control() != null) {
throw new NotSupportedException();
}
current.begin();
} catch (TRANSACTION_ROLLEDBACK ex) {
throw new NotSupportedException();
} catch (SubtransactionsUnavailable ex) {
throw new SystemException();
}
}
//START IASRI PERFIMPROVEMNT
/**
* Create a new transaction with the given timeout and associate it
* with the current thread.
*
* @exception NotSupportedException Thrown if the thread is already
* associated with a transaction.
*/
public void begin(int timeout)
throws NotSupportedException, SystemException {
try {
// does not support nested transaction
if (current.get_control() != null) {
throw new NotSupportedException();
}
((com.sun.jts.CosTransactions.CurrentImpl)current).begin(timeout);
} catch (TRANSACTION_ROLLEDBACK ex) {
throw new NotSupportedException();
} catch (SubtransactionsUnavailable ex) {
throw new SystemException();
}
}
//END IASRI PERFIMPROVEMNT
/**
* Complete the transaction associated with the current thread. When this
* method completes, the thread becomes associated with no transaction.
*
* @exception RollbackException Thrown to indicate that
* the transaction has been rolled back rather than committed.
*
* @exception HeuristicMixedException Thrown to indicate that a heuristic
* decision was made and that some relevant updates have been committed
* while others have been rolled back.
*
* @exception HeuristicRollbackException Thrown to indicate that a
* heuristic decision was made and that all relevant updates have been
* rolled back.
*
* @exception SecurityException Thrown to indicate that the thread is
* not allowed to commit the transaction.
*
* @exception IllegalStateException Thrown if the current thread is
* not associated with a transaction.
*/
public void commit() throws RollbackException,
HeuristicMixedException, HeuristicRollbackException, SecurityException,
IllegalStateException, SystemException {
try {
current.commit(true);
} catch (TRANSACTION_ROLLEDBACK ex) {
RollbackException rbe = new RollbackException();
Throwable cause = ex.getCause();
if (cause != null) {
rbe.initCause(cause);
}
throw rbe;
} catch (NoTransaction ex) {
throw new IllegalStateException();
} catch (NO_PERMISSION ex) {
throw new SecurityException();
} catch (HeuristicMixed ex) {
throw new HeuristicMixedException();
} catch (HeuristicHazard ex) {
throw new HeuristicRollbackException();
} catch (Exception ex) {
// ex.printStackTrace();
throw new SystemException(ex.toString());
}
/***
Transaction tran = getTransaction();
if (tran == null) throw new IllegalStateException();
tran.commit();
***/
}
/**
* Roll back the transaction associated with the current thread. When this
* method completes, the thread becomes associated with no transaction.
*
* @exception SecurityException Thrown to indicate that the thread is
* not allowed to roll back the transaction.
*
* @exception IllegalStateException Thrown if the current thread is
* not associated with a transaction.
*/
public void rollback()
throws IllegalStateException, SecurityException, SystemException {
try {
current.rollback();
} catch (NoTransaction ex) {
throw new IllegalStateException();
} catch (NO_PERMISSION ex) {
throw new SecurityException();
} catch (Exception ex) {
throw new SystemException(ex.toString());
}
/***
Transaction tran = getTransaction();
if (tran == null) throw new IllegalStateException();
tran.rollback();
***/
}
/**
* Modify the transaction associated with the current thread such that
* the only possible outcome of the transaction is to roll back the
* transaction.
*
* @exception IllegalStateException Thrown if the current thread is
* not associated with a transaction.
*/
public void setRollbackOnly()
throws IllegalStateException, SystemException {
try {
current.rollback_only();
} catch (NoTransaction ex) {
throw new IllegalStateException();
} catch (Exception ex) {
throw new SystemException(ex.toString());
}
}
/**
* Obtain the status of the transaction associated with the current thread.
*
* @return The transaction status. If no transaction is associated with
* the current thread, this method returns the Status.NoTransaction
* value.
*/
public int getStatus() throws SystemException {
try {
Status status = current.get_status();
return mapStatus(status);
} catch (Exception ex) {
throw new SystemException(ex.toString());
}
}
/**
* Modify the timeout value that is associated with transactions started
* by subsequent invocations of the begin method.
*
* If an application has not called this method, the transaction
* service uses some default value for the transaction timeout.
*
* @param seconds The value of the timeout in seconds. If the value is zero,
* the transaction service restores the default value. If the value
* is negative a SystemException is thrown.
*
* @exception SystemException Thrown if the transaction manager
* encounters an unexpected error condition.
*
*/
public synchronized void setTransactionTimeout(int seconds)
throws SystemException {
try {
if (seconds < 0) {
String msg = LogFormatter.getLocalizedMessage(_logger,
"jts.invalid_timeout");
throw new SystemException(msg);
}
current.set_timeout(seconds);
} catch (Exception ex) {
throw new SystemException(ex.toString());
}
}
/**
* Get the transaction object that represents the transaction
* context of the calling thread
*/
public Transaction getTransaction()
throws SystemException {
try {
Control control = current.get_control();
if (control == null) {
return null;
} else {
return createTransactionImpl(control);
}
} catch (Unavailable uex) {
throw new SystemException(uex.toString());
} catch (Exception ex) {
throw new SystemException(ex.toString());
}
}
/**
* Resume the transaction context association of the calling thread
* with the transaction represented by the supplied Transaction object.
* When this method returns, the calling thread is associated with the
* transaction context specified.
*/
public void resume(Transaction suspended) throws
InvalidTransactionException, IllegalStateException, SystemException {
// thread is already associated with a transaction?
if (getTransaction() != null) throw new IllegalStateException();
// check for invalid Transaction object
if (suspended == null) throw new InvalidTransactionException();
if ((suspended instanceof TransactionImpl) == false) {
throw new InvalidTransactionException();
}
Control control = ((TransactionImpl) suspended).getControl();
try {
current.resume(control);
} catch (InvalidControl ex) {
//_logger.log(Level.FINE,"Invalid Control Exception in resume",ex);
throw new InvalidTransactionException();
} catch (Exception ex) {
throw new SystemException(ex.toString());
}
}
/**
* Suspend the transaction currently associated with the calling
* thread and return a Transaction object that represents the
* transaction context being suspended. If the calling thread is
* not associated with a transaction, the method returns a null
* object reference. When this method returns, the calling thread
* is associated with no transaction.
*/
public Transaction suspend() throws SystemException {
try {
Control control = current.suspend();
if (control == null) return null;
return createTransactionImpl(control);
} catch (Unavailable uex) {
throw new SystemException(uex.toString());
} catch (Exception ex) {
throw new SystemException(ex.toString());
}
}
/**
TransactionState getOrCreateTransactionState(GlobalTID gtid,
Transaction tran)
throws SystemException {
synchronized (transactionStates) {
TransactionState result =
(TransactionState) transactionStates.get(gtid);
if (result == null) {
result = new TransactionState(gtid);
transactionStates.put(gtid, result);
try {
// remove Transaction State on transaction completion
Synchronization sync =
new SynchronizationListener(gtid, result);
tran.registerSynchronization(sync);
} catch (Exception ex) {
_logger.log(Level.WARNING,
"jts.unexpected_error_in_get_or_create_transaction_state",ex);
throw new SystemException();
}
}
return result;
}
}
TransactionState getTransactionState(GlobalTID gtid,
Transaction tran)
throws SystemException {
synchronized (transactionStates) {
return (TransactionState) transactionStates.get(gtid);
}
}
**/
private Transaction createTransactionImpl(Control control)
throws Unavailable, SystemException
{
GlobalTID gtid = null;
if (Configuration.isLocalFactory()) {
gtid = ((ControlImpl) control).getGlobalTID();
} else {
ControlImpl cntrlImpl = ControlImpl.servant(JControlHelper.narrow(control));
gtid = cntrlImpl.getGlobalTID();
}
// return new TransactionImpl(this, control, gtid);
return new TransactionImpl(control, gtid);
}
/**
* The application server passes in the list of XAResource objects
* to be recovered.
*
* @param xaResourceList list of XAResource objects.
*/
public static void recover(Enumeration xaResourceList) {
RecoveryManager.recoverXAResources(xaResourceList);
}
/**
* Recreate a transaction based on the Xid. This call causes the calling
* thread to be associated with the specified transaction.
*
* @param xid the Xid object representing a transaction.
* @param timeout positive, non-zero value for transaction timeout.
*/
public static void recreate(Xid xid, long timeout) throws WorkException {
// check if xid is valid
if (xid == null || xid.getFormatId() == 0 ||
xid.getBranchQualifier() == null ||
xid.getGlobalTransactionId() == null) {
WorkException workExc = new WorkCompletedException("Invalid Xid");
workExc.setErrorCode(WorkException.TX_RECREATE_FAILED);
throw workExc;
}
// has TransactionService been initialized?
if (!DefaultTransactionService.isActive()) {
WorkException workExc =
new WorkCompletedException("Transaction Manager unavailable");
workExc.setErrorCode(WorkException.TX_RECREATE_FAILED);
throw workExc;
}
// recreate the transaction
GlobalTID tid = new GlobalTID(xid);
try {
CurrentTransaction.recreate(
tid, (int) ((timeout <= 0) ? 0 : timeout));
} catch (Throwable exc) {
String errorCode = WorkException.TX_RECREATE_FAILED;
if (exc instanceof INVALID_TRANSACTION &&
(((INVALID_TRANSACTION) exc).minor ==
MinorCode.TX_CONCURRENT_WORK_DISALLOWED)) {
errorCode = WorkException.TX_CONCURRENT_WORK_DISALLOWED;
}
WorkException workExc = new WorkCompletedException(exc);
workExc.setErrorCode(errorCode);
throw workExc;
}
}
/**
* Release a transaction. This call causes the calling thread to be
* dissociated from the specified transaction.
*
* @param xid the Xid object representing a transaction.
*/
public static void release(Xid xid) throws WorkException {
GlobalTID tid = new GlobalTID(xid);
try {
CurrentTransaction.release(tid);
} catch (Throwable exc) {
String errorCode = WorkException.UNDEFINED;
if (exc instanceof INTERNAL) {
errorCode = WorkException.INTERNAL;
}
WorkException workExc = new WorkCompletedException(exc);
workExc.setErrorCode(errorCode);
throw workExc;
}
}
/**
* Provides a handle to a XATerminator instance. The
* XATerminator instance could be used by a resource adapter
* to flow-in transaction completion and crash recovery calls from an EIS.
*
* @return a XATerminator instance.
*/
public static javax.resource.spi.XATerminator getXATerminator() {
return new XATerminatorImpl();
}
//START IASRI 4706150
/**
* used to set XAResource timeout
*/
public static void setXAResourceTimeOut(int value){
xaTimeOut = value;
}
public static int getXAResourceTimeOut(){
return xaTimeOut;
}
//END IASRI 4706150
/**
class SynchronizationListener implements Synchronization {
private GlobalTID gtid;
private TransactionState tranState;
SynchronizationListener(GlobalTID gtid, TransactionState tranState) {
this.gtid = gtid;
this.tranState = tranState;
}
public void afterCompletion(int status) {
tranState.cleanupTransactionStateMapping();
}
public void beforeCompletion() {
try {
tranState.beforeCompletion();
}catch(XAException xaex){
_logger.log(Level.WARNING,"jts.unexpected_xa_error_in_beforecompletion", new java.lang.Object[] {xaex.errorCode, xaex.getMessage()});
_logger.log(Level.WARNING,"",xaex);
} catch (Exception ex) {
_logger.log(Level.WARNING,"jts.unexpected_error_in_beforecompletion",ex);
}
}
}
**/
/**
void cleanupTransactionState(GlobalTID gtid) {
transactionStates.remove(gtid);
}
**/
}