Examples with PHashMapMMF com.sun.messaging.jmq.io.disk.PHashMapMMF used on opensource projects

Example 1 with PHashMapMMF

use of com.sun.messaging.jmq.io.disk.PHashMapMMF in project openmq by eclipse-ee4j.

the class TidList method updateTransactionState.

/**
 * Update the state of a transaction
 *
 * @param id the transaction id to be updated
 * @param tstate the new transaction state
 * @exception BrokerException if an error occurs while persisting or the same transaction id does NOT exists the store
 * already
 * @exception NullPointerException if <code>id</code> is <code>null</code>
 */
void updateTransactionState(TransactionUID id, TransactionState tstate, boolean sync) throws IOException, BrokerException {
    try {
        TransactionInfo txnInfo = (TransactionInfo) tidMap.get(id);
        if (txnInfo == null) {
            logger.log(logger.ERROR, br.E_TRANSACTIONID_NOT_FOUND_IN_STORE, id);
            throw new BrokerException(br.getString(br.E_TRANSACTIONID_NOT_FOUND_IN_STORE, id), Status.NOT_FOUND);
        }
        TransactionState txnState = txnInfo.getTransactionState();
        int ts = tstate.getState();
        if (txnState.getState() != ts) {
            txnState.setState(ts);
            if (tstate.getOnephasePrepare()) {
                txnState.setOnephasePrepare(true);
            }
            if (updateOptimization) {
                // To improve I/O performance, just persist the new
                // state as client data and not the whole record
                byte[] cd = generateClientData(id, txnInfo);
                PHashMapMMF tidMapMMF = (PHashMapMMF) tidMap;
                tidMapMMF.putClientData(id, cd);
            } else {
                tidMap.put(id, txnInfo);
            }
        } else {
            // No need to sync
            sync = false;
        }
        if (sync) {
            sync(id);
        }
    } catch (Exception e) {
        logger.log(logger.ERROR, br.X_UPDATE_TXNSTATE_FAILED, id, e);
        throw new BrokerException(br.getString(br.X_UPDATE_TXNSTATE_FAILED, id), e);
    }
}

Example 2 with PHashMapMMF

use of com.sun.messaging.jmq.io.disk.PHashMapMMF in project openmq by eclipse-ee4j.

the class FileTxLogImpl method init.

@Override
public void init(Properties props, boolean reset) throws Exception {
    if (_logger == null) {
        throw new IllegalStateException("No logger set");
    }
    super.init(props, reset);
    if (props != null) {
        Enumeration en = props.propertyNames();
        String name = null;
        String value = null;
        while (en.hasMoreElements()) {
            name = (String) en.nextElement();
            value = props.getProperty(name);
            _logger.log(Level.INFO, _jbr.getString(_jbr.I_FILETXNLOG_SET_PROP, name + "=" + value, _tmname));
            setProperty(name, value);
        }
    }
    if (_txlogdir == null) {
        throw new IllegalStateException("Property txlogDir not set");
    }
    String fname = (txlogSuffix == null ? FILENAME_BASE : (FILENAME_BASE + "." + txlogSuffix));
    if (reset) {
        _logger.log(Level.INFO, _jbr.getString(_jbr.I_FILETXNLOG_INIT_WITH_RESET, fname));
        if (_txlogdirParent != null) {
            String fn = _txlogdirParent + File.separator + FILENAME_JMSBRIDGES;
            File f = new File(fn);
            if (f.exists()) {
                if (!f.delete()) {
                    _logger.log(Level.WARNING, "Failed to delete file " + fn + " on reset");
                    File dfn = new File(_txlogdirParent, FILENAME_JMSBRIDGES + ".deleted");
                    if (!f.renameTo(dfn)) {
                        _logger.log(Level.WARNING, "Failed rename file " + fn + " to " + dfn + " after deletion failure");
                    }
                }
            }
        }
    } else {
        _logger.log(Level.INFO, _jbr.getString(_jbr.I_FILETXNLOG_INIT, fname));
    }
    _backFile = new File(_txlogdir, fname);
    if (useMmap) {
        _gxidMap = new PHashMapMMF(_backFile, _logsize, 1024, false, reset, false, false);
        ((PHashMapMMF) _gxidMap).intClientData(_clientDataSize);
    } else {
        _gxidMap = new PHashMap(_backFile, _logsize, 1024, false, reset, false, false);
    }
    try {
        _gxidMap.load(this);
        if (_clientDataSize > 0) {
            loadClientData();
        }
    } catch (PHashMapLoadException pe) {
        _logger.log(Level.WARNING, "Exception in loading txlog " + _backFile, pe);
        throw pe;
    }
    VRFileWarning w = _gxidMap.getWarning();
    if (w != null) {
        _logger.log(Level.WARNING, "Warning in loading txlog, possible loss of record", w);
    }
    _logger.log(Level.INFO, _jbr.getString(_jbr.I_FILETXNLOG_LOADED, _backFile, String.valueOf(_gxidMap.size())));
}

Example 3 with PHashMapMMF

use of com.sun.messaging.jmq.io.disk.PHashMapMMF in project openmq by eclipse-ee4j.

the class FileTxLogImpl method logHeuristicBranch.

/**
 * branch heuristic decision should be already set in lr
 */
@Override
public void logHeuristicBranch(BranchXid bxid, LogRecord lr) throws Exception {
    if (_logger.isLoggable(Level.FINE)) {
        _logger.log(Level.FINE, "txlog: log branch heuristic decision  " + lr);
    }
    String key = lr.getGlobalXid().toString();
    super.checkClosedAndSetInProgress();
    try {
        LogRecord oldlr = (LogRecord) _gxidMap.get(key);
        if (oldlr == null) {
            logGlobalDecision(lr);
            if (sync) {
                _gxidMap.force(key);
            }
            return;
        }
        if (oldlr.getBranchDecision(bxid) == lr.getBranchDecision(bxid)) {
            return;
        }
        oldlr.setBranchDecision(bxid, lr.getBranchDecision(bxid));
        if (useMmap) {
            if (oldlr.getBranchCount() > _clientDataSize) {
                throw new IllegalArgumentException("The number of branches exceeded maximum " + _clientDataSize + " allowed");
            }
            byte[] oldcd = ((PHashMapMMF) _gxidMap).getClientData(key);
            oldlr.updateClientDataFromBranch(oldcd, bxid);
            ((PHashMapMMF) _gxidMap).putClientData(key, oldcd);
        } else {
            _gxidMap.put(key, oldlr);
        }
        if (sync) {
            _gxidMap.force(key);
        }
    } finally {
        super.setInProgress(false);
    }
}

Example 4 with PHashMapMMF

use of com.sun.messaging.jmq.io.disk.PHashMapMMF in project openmq by eclipse-ee4j.

the class TidList method updateTransactionBrokerState.

/**
 * Update transaction's participant broker state if the txn's state matches the expected state.
 *
 * @param id the id of the transaction to be updated
 * @param expectedTxnState the expected transaction state
 * @param txnBkr the participant broker to be updated
 * @exception BrokerException if the transaction is not found in the store or the txn's state doesn't match the expected
 * state (Status.CONFLICT)
 */
void updateTransactionBrokerState(TransactionUID id, int expectedTxnState, TransactionBroker txnBkr, boolean sync) throws BrokerException {
    try {
        TransactionInfo txnInfo = (TransactionInfo) tidMap.get(id);
        if (txnInfo == null) {
            logger.log(Logger.ERROR, BrokerResources.E_TRANSACTIONID_NOT_FOUND_IN_STORE, id);
            throw new BrokerException(br.getString(BrokerResources.E_TRANSACTIONID_NOT_FOUND_IN_STORE, id), Status.NOT_FOUND);
        }
        TransactionState txnState = txnInfo.getTransactionState();
        if (txnState.getState() != expectedTxnState) {
            Object[] args = { txnBkr, id, TransactionState.toString(expectedTxnState), TransactionState.toString(txnState.getState()) };
            throw new BrokerException(br.getKString(BrokerResources.E_UPDATE_TXNBROKER_FAILED, args), Status.CONFLICT);
        }
        txnInfo.updateBrokerState(txnBkr);
        if (updateOptimization) {
            // To improve I/O performance, just persist the new
            // state as client data and not the whole record
            byte[] cd = generateClientData(id, txnInfo);
            PHashMapMMF tidMapMMF = (PHashMapMMF) tidMap;
            tidMapMMF.putClientData(id, cd);
        } else {
            tidMap.put(id, txnInfo);
        }
        if (sync) {
            sync(id);
        }
    } catch (Exception e) {
        logger.log(Logger.ERROR, BrokerResources.X_PERSIST_TRANSACTION_FAILED, id, e);
        throw new BrokerException(br.getString(BrokerResources.X_PERSIST_TRANSACTION_FAILED, id), e);
    }
}