Examples of org.apache.jackrabbit.data.core.TransactionContext

org.apache.jackrabbit.data.core.TransactionContext
Represents the transaction on behalf of the component that wants to explicitly demarcate transaction boundaries. After having been prepared, schedules a task that rolls back the transaction if some time passes without any further action. This will guarantee that global objects locked by one of the resources' {@link InternalXAResource#prepare} method, are eventuallyunlocked.

    public void start(Xid xid, int flags) throws XAException {
        if (isAssociated()) {
            log.error("Resource already associated with a transaction.");
            throw new XAException(XAException.XAER_PROTO);
        }
        TransactionContext tx = txGlobal.get(xid);
        if (flags == TMNOFLAGS) {
            if (tx != null) {
                throw new XAException(XAException.XAER_DUPID);
            }
            tx = createTransaction(xid);
        } else if (flags == TMJOIN) {
            if (tx == null) {
                throw new XAException(XAException.XAER_NOTA);
            }
        } else if (flags == TMRESUME) {
            if (tx == null) {
                throw new XAException(XAException.XAER_NOTA);
            }
            if (!tx.isSuspended()) {
                log.error("Unable to resume: transaction not suspended.");
                throw new XAException(XAException.XAER_PROTO);
            }
            tx.setSuspended(false);
        } else {
            throw new XAException(XAException.XAER_INVAL);
        }


        associate(tx);

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     * Create a new transaction context.
     * @param xid xid of global transaction.
     * @return transaction context
     */
    private TransactionContext createTransaction(Xid xid) {
        TransactionContext tx = new TransactionContext(xid, txResources);
        txGlobal.put(xid, tx);
        return tx;
    }

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     * It is legal for a transaction association to be suspended and then
     * ended (either with <code>TMSUCCESS</code> or <code>TMFAIL</code>)
     * without having been resumed again.
     */
    public void end(Xid xid, int flags) throws XAException {
        TransactionContext tx = txGlobal.get(xid);
        if (tx == null) {
            throw new XAException(XAException.XAER_NOTA);
        }
        if (flags == TMSUSPEND) {
            if (!isAssociated()) {
                log.error("Resource not associated with a transaction.");
                throw new XAException(XAException.XAER_PROTO);
            }
            associate(null);
            tx.setSuspended(true);
        } else if (flags == TMFAIL || flags == TMSUCCESS) {
            if (!tx.isSuspended()) {
                if (!isAssociated()) {
                    log.error("Resource not associated with a transaction.");
                    throw new XAException(XAException.XAER_PROTO);
                }
                associate(null);
            } else {
                tx.setSuspended(false);
            }
        } else {
            throw new XAException(XAException.XAER_INVAL);
        }
    }

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    /**
     * {@inheritDoc}
     */
    public int prepare(Xid xid) throws XAException {
        TransactionContext tx = txGlobal.get(xid);
        if (tx == null) {
            throw new XAException(XAException.XAER_NOTA);
        }
        tx.prepare();
        return XA_OK;
    }

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    /**
     * {@inheritDoc}
     */
    public void commit(Xid xid, boolean onePhase) throws XAException {
        TransactionContext tx = txGlobal.get(xid);
        if (tx == null) {
            throw new XAException(XAException.XAER_NOTA);
        }
        try {
          if (onePhase) {
            tx.prepare();
          }
          tx.commit();
        } finally {
          txGlobal.remove(xid);
        }
    }

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    /**
     * {@inheritDoc}
     */
    public void rollback(Xid xid) throws XAException {
        TransactionContext tx = txGlobal.get(xid);
        if (tx == null) {
            throw new XAException(XAException.XAER_NOTA);
        }
        try {
          tx.rollback();
        } finally {
          txGlobal.remove(xid);
        }
    }

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    public void start(Xid xid, int flags) throws XAException {
        if (isAssociated()) {
            log.error("Resource already associated with a transaction.");
            throw new XAException(XAException.XAER_PROTO);
        }
        TransactionContext tx = txGlobal.get(xid);
        if (flags == TMNOFLAGS) {
            if (tx != null) {
                throw new XAException(XAException.XAER_DUPID);
            }
            tx = createTransaction(xid);
        } else if (flags == TMJOIN) {
            if (tx == null) {
                throw new XAException(XAException.XAER_NOTA);
            }
        } else if (flags == TMRESUME) {
            if (tx == null) {
                throw new XAException(XAException.XAER_NOTA);
            }
            if (!tx.isSuspended()) {
                log.error("Unable to resume: transaction not suspended.");
                throw new XAException(XAException.XAER_PROTO);
            }
            tx.setSuspended(false);
        } else {
            throw new XAException(XAException.XAER_INVAL);
        }


        associate(tx);

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     * Create a new transaction context.
     * @param xid xid of global transaction.
     * @return transaction context
     */
    private TransactionContext createTransaction(Xid xid) {
        TransactionContext tx = new TransactionContext(xid, txResources);
        txGlobal.put(xid, tx);
        return tx;
    }

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     * It is legal for a transaction association to be suspended and then
     * ended (either with <code>TMSUCCESS</code> or <code>TMFAIL</code>)
     * without having been resumed again.
     */
    public void end(Xid xid, int flags) throws XAException {
        TransactionContext tx = txGlobal.get(xid);
        if (tx == null) {
            throw new XAException(XAException.XAER_NOTA);
        }
        if (flags == TMSUSPEND) {
            if (!isAssociated()) {
                log.error("Resource not associated with a transaction.");
                throw new XAException(XAException.XAER_PROTO);
            }
            associate(null);
            tx.setSuspended(true);
        } else if (flags == TMFAIL || flags == TMSUCCESS) {
            if (!tx.isSuspended()) {
                if (!isAssociated()) {
                    log.error("Resource not associated with a transaction.");
                    throw new XAException(XAException.XAER_PROTO);
                }
                associate(null);
            } else {
                tx.setSuspended(false);
            }
        } else {
            throw new XAException(XAException.XAER_INVAL);
        }
    }

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    /**
     * {@inheritDoc}
     */
    public int prepare(Xid xid) throws XAException {
        TransactionContext tx = txGlobal.get(xid);
        if (tx == null) {
            throw new XAException(XAException.XAER_NOTA);
        }
        tx.prepare();
        return XA_OK;
    }

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org.apache.jackrabbit.core.XASessionImpl

javax.transaction.xa.Xid

javax.transaction.xa.XAException

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