Example usage for javax.transaction TransactionManager begin

Introduction

In this page you can find the example usage for javax.transaction TransactionManager begin.

Prototype

public void begin() throws NotSupportedException, SystemException;

Source Link

Document

Create a new transaction and associate it with the current thread.

Usage

From source file:org.topazproject.otm.impl.AbstractSession.java

private void ensureTxActive(boolean start, int txTimeout) throws OtmException {
    if (jtaTxn != null)
        return;/*from w ww . ja  va 2  s  .  c  o m*/

    try {
        TransactionManager tm = getSessionFactory().getTransactionManager();

        jtaTxn = tm.getTransaction();
        if (jtaTxn == null) {
            if (!start)
                throw new OtmException("No active transaction");

            tm.setTransactionTimeout(txTimeout > 0 ? txTimeout : 0);
            tm.begin();
            jtaTxn = tm.getTransaction();
        }

        jtaTxn.registerSynchronization(new Synchronization() {
            public void beforeCompletion() {
                if (getFlushMode().implies(FlushMode.commit) && !isRollback())
                    flush();
            }

            public void afterCompletion(int status) {
                endTransaction();
            }

            private boolean isRollback() throws OtmException {
                try {
                    return (jtaTxn.getStatus() == Status.STATUS_MARKED_ROLLBACK);
                } catch (Exception e) {
                    throw new OtmException("Error getting rollback-only status", e);
                }
            }
        });
    } catch (OtmException oe) {
        throw oe;
    } catch (Exception e) {
        throw new OtmException("Error setting up transaction", e);
    }
}

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From source file:org.wso2.carbon.dataservices.core.description.xa.DSSXATransactionManager.java

public void begin() throws DataServiceFault {
    TransactionManager txManager = getTransactionManager();
    if (txManager == null) {
        return;/*from  ww  w. ja  va 2  s.  c o m*/
    }
    try {
        if (log.isDebugEnabled()) {
            log.debug("DXXATransactionManager.begin()");
        }
        txManager.begin();
        this.beginTx.set(true);
    } catch (Exception e) {
        throw new DataServiceFault(e, "Error from transaction manager in " + "begin(): " + e.getMessage());
    }
}

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From source file:org.wso2.carbon.humantask.core.scheduler.SimpleScheduler.java

public <T> T execTransaction(Callable<T> transaction, int timeout) throws Exception {
    TransactionManager txm = transactionManager;
    if (txm == null) {
        throw new HumanTaskException(
                "Cannot locate the transaction manager; " + "the server might be shutting down.");
    }//from ww  w  .  ja  va2  s  .  co m

    // The value of the timeout is in seconds. If the value is zero, 
    // the transaction service restores the default value.
    if (timeout < 0) {
        throw new IllegalArgumentException("Timeout must be positive, received: " + timeout);
    }

    boolean existingTransaction;
    try {
        existingTransaction = txm.getTransaction() != null;
    } catch (Exception ex) {
        String errMsg = "Internal Error, could not get current transaction.";
        throw new HumanTaskException(errMsg, ex);
    }

    // already in transaction, execute and return directly
    if (existingTransaction) {
        return transaction.call();
    }

    // run in new transaction
    Exception ex = null;
    //        int immediateRetryCount = _immediateTransactionRetryLimit;

    transactionManager.setTransactionTimeout(timeout);
    if (log.isDebugEnabled() && timeout != 0) {
        log.debug("Custom transaction timeout: " + timeout);
    }

    try {
        try {
            if (log.isDebugEnabled()) {
                log.debug("Beginning a new transaction");
            }
            txm.begin();
        } catch (Exception e) {
            String errMsg = "Internal Error, could not begin transaction.";
            throw new HumanTaskException(errMsg, e);
        }

        try {
            ex = null;
            return transaction.call();
        } catch (Exception e) {
            ex = e;
        } finally {
            if (ex == null) {
                if (log.isDebugEnabled()) {
                    log.debug("Committing on " + txm + "...");
                }
                try {
                    txm.commit();
                } catch (Exception e2) {
                    ex = e2;
                }
            } else {
                if (log.isDebugEnabled()) {
                    log.debug("Rollbacking on " + txm + "...");
                }
                txm.rollback();
            }

            //                    if (ex != null && immediateRetryCount > 0) {
            //                        if (log.isDebugEnabled()) {
            //                            log.debug("Will retry the transaction in " +
            //                                    _immediateTransactionRetryInterval + " msecs on " +
            //                                    transactionManager + " for error: ", ex);
            //                        }
            //                        Thread.sleep(_immediateTransactionRetryInterval);
            //                    }
        }
    } finally {
        // 0 restores the default value
        transactionManager.setTransactionTimeout(0);
    }

    throw ex;
}

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From source file:org.wso2.carbon.rssmanager.core.RSSTransactionManager.java

public void begin() throws RSSManagerException {
    TransactionManager txManager = getTransactionManager();
    try {//from  ww  w.jav  a 2  s .  c  om
        if (log.isDebugEnabled()) {
            log.debug("RSSXATransactionManager.begin()");
        }
        if (this.hasNoActiveTransaction()) {
            if (log.isDebugEnabled()) {
                log.debug("transactionManager.begin()");
            }
            txManager.begin();
            this.beginTx.set(true);
        }
    } catch (Exception e) {
        throw new RSSManagerException("Error from transaction manager", e);
    }
}

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From source file:org.wso2.carbon.rssmanager.data.mgt.retriever.util.StorageUsageTransactionManager.java

public void begin() throws UsageManagerException {
    TransactionManager txManager = getTransactionManager();
    try {//w  ww .  j  a v a 2  s . c o m
        if (log.isDebugEnabled()) {
            log.debug("RSSXATransactionManager.begin()");
        }
        if (this.hasNoActiveTransaction()) {
            if (log.isDebugEnabled()) {
                log.debug("transactionManager.begin()");
            }
            txManager.begin();
            this.beginTx.set(true);
        }
    } catch (Exception e) {
        throw new UsageManagerException("Error from transaction manager", e);
    }
}

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