Examples with HABrokerInfo com.sun.messaging.jmq.jmsserver.persist.api.HABrokerInfo used on opensource projects

Example 21 with HABrokerInfo

use of com.sun.messaging.jmq.jmsserver.persist.api.HABrokerInfo in project openmq by eclipse-ee4j.

the class DBManager method isHAClusterActive.

public boolean isHAClusterActive(Connection conn) throws BrokerException {
    boolean isActive = false;
    BrokerDAO bkrDAO = getDBManager().getDAOFactory().getBrokerDAO();
    HashMap bkrMap = bkrDAO.getAllBrokerInfos(conn, false);
    Iterator itr = bkrMap.values().iterator();
    long currentTime = System.currentTimeMillis();
    while (itr.hasNext()) {
        HABrokerInfo bkrInfo = (HABrokerInfo) itr.next();
        int state = bkrInfo.getState();
        if (!BrokerState.getState(state).isActiveState()) {
            // broker is not active
            continue;
        }
        // We've a broker in active state, re-verify w/ last heartbeat;
        // If heartbeat is older than 3 minutes then consider it not active
        long lastHeartBeat = bkrInfo.getHeartbeat();
        if (lastHeartBeat + 180000 > currentTime) {
            isActive = true;
            break;
        }
    }
    return isActive;
}

Example 22 with HABrokerInfo

use of com.sun.messaging.jmq.jmsserver.persist.api.HABrokerInfo in project openmq by eclipse-ee4j.

the class TransactionDAOImpl method updateTransactionState.

/**
 * Update the TransactionState for the specified transaction.
 *
 * @param conn database connection
 * @param txnUID the transaction ID
 * @param txnState the new state
 * @throws BrokerException if transaction does not exists in the store
 */
@Override
public void updateTransactionState(Connection conn, TransactionUID txnUID, TransactionState txnState, boolean replaycheck) throws BrokerException {
    boolean myConn = false;
    PreparedStatement pstmt = null;
    Exception myex = null;
    try {
        // Get a connection
        DBManager dbMgr = DBManager.getDBManager();
        if (conn == null) {
            conn = dbMgr.getConnection(true);
            myConn = true;
        }
        if (replaycheck) {
            TransactionState st = null;
            try {
                st = getTransactionState(conn, txnUID);
                if (st.getState() == txnState.getState()) {
                    logger.log(Logger.INFO, BrokerResources.I_CANCEL_SQL_REPLAY, "TID:" + txnUID + "[" + txnState + "]");
                    return;
                }
            } catch (BrokerException e) {
                if (e.getStatusCode() != Status.NOT_FOUND) {
                    e.setSQLRecoverable(true);
                    e.setSQLReplayCheck(true);
                    throw e;
                }
            }
        }
        pstmt = dbMgr.createPreparedStatement(conn, updateTxnStateSQL);
        pstmt.setInt(1, txnState.getState());
        Util.setObject(pstmt, 2, txnState);
        pstmt.setLong(3, txnUID.longValue());
        if (Globals.getHAEnabled()) {
            pstmt.setString(4, dbMgr.getBrokerID());
        }
        if (pstmt.executeUpdate() == 0) {
            // For HA mode, check if this broker still owns the store
            if (Globals.getHAEnabled()) {
                String brokerID = dbMgr.getBrokerID();
                BrokerDAO dao = dbMgr.getDAOFactory().getBrokerDAO();
                if (dao.isBeingTakenOver(conn, brokerID)) {
                    BrokerException be = new StoreBeingTakenOverException(br.getKString(BrokerResources.E_STORE_BEING_TAKEN_OVER));
                    try {
                        HABrokerInfo bkrInfo = dao.getBrokerInfo(conn, brokerID);
                        logger.logStack(Logger.ERROR, be.getMessage() + "[" + (bkrInfo == null ? "" + brokerID : bkrInfo.toString()) + "]", be);
                    } catch (Throwable t) {
                    /* Ignore error */
                    }
                    throw be;
                }
            }
            throw new BrokerException(br.getKString(BrokerResources.E_TRANSACTIONID_NOT_FOUND_IN_STORE, txnUID), Status.NOT_FOUND);
        }
    } catch (Exception e) {
        myex = e;
        boolean replayck = false;
        try {
            if ((conn != null) && !conn.getAutoCommit()) {
                conn.rollback();
            }
        } catch (SQLException rbe) {
            replayck = true;
            logger.log(Logger.ERROR, BrokerResources.X_DB_ROLLBACK_FAILED, rbe);
        }
        Exception ex;
        if (e instanceof BrokerException) {
            throw (BrokerException) e;
        } else if (e instanceof IOException) {
            ex = DBManager.wrapIOException("[" + updateTxnStateSQL + "]", (IOException) e);
        } else if (e instanceof SQLException) {
            ex = DBManager.wrapSQLException("[" + updateTxnStateSQL + "]", (SQLException) e);
        } else {
            ex = e;
        }
        BrokerException be = new BrokerException(br.getKString(BrokerResources.X_UPDATE_TXNSTATE_FAILED, txnUID), ex);
        be.setSQLRecoverable(true);
        if (replayck) {
            be.setSQLReplayCheck(true);
        }
        throw be;
    } finally {
        if (myConn) {
            Util.close(null, pstmt, conn, myex);
        } else {
            Util.close(null, pstmt, null, myex);
        }
    }
}

Example 23 with HABrokerInfo

use of com.sun.messaging.jmq.jmsserver.persist.api.HABrokerInfo in project openmq by eclipse-ee4j.

the class TransactionDAOImpl method updateTransactionBrokers.

/**
 * Update transaction's participant brokers for the specified transaction.
 *
 * @param conn database connection
 * @param txnUID the transaction ID
 * @param txnBrokers the transaction's participant brokers
 * @throws BrokerException if transaction does not exists in the store
 */
@Override
public void updateTransactionBrokers(Connection conn, TransactionUID txnUID, TransactionBroker[] txnBrokers) throws BrokerException {
    boolean myConn = false;
    PreparedStatement pstmt = null;
    Exception myex = null;
    try {
        // Get a connection
        DBManager dbMgr = DBManager.getDBManager();
        if (conn == null) {
            conn = dbMgr.getConnection(true);
            myConn = true;
        }
        pstmt = dbMgr.createPreparedStatement(conn, updateTxnBrokersSQL);
        pstmt.setInt(1, TransactionInfo.TXN_CLUSTER);
        Util.setObject(pstmt, 2, txnBrokers);
        pstmt.setLong(3, txnUID.longValue());
        if (Globals.getHAEnabled()) {
            pstmt.setString(4, dbMgr.getBrokerID());
        }
        if (pstmt.executeUpdate() == 0) {
            // For HA mode, check if this broker still owns the store
            if (Globals.getHAEnabled()) {
                String brokerID = dbMgr.getBrokerID();
                BrokerDAO dao = dbMgr.getDAOFactory().getBrokerDAO();
                if (dao.isBeingTakenOver(conn, brokerID)) {
                    BrokerException be = new StoreBeingTakenOverException(br.getKString(BrokerResources.E_STORE_BEING_TAKEN_OVER));
                    try {
                        HABrokerInfo bkrInfo = dao.getBrokerInfo(conn, brokerID);
                        logger.logStack(Logger.ERROR, be.getMessage() + "[" + (bkrInfo == null ? "" + brokerID : bkrInfo.toString()) + "]", be);
                    } catch (Throwable t) {
                    /* Ignore error */
                    }
                    throw be;
                }
            }
            throw new BrokerException(br.getKString(BrokerResources.E_TRANSACTIONID_NOT_FOUND_IN_STORE, txnUID), Status.NOT_FOUND);
        }
    } catch (Exception e) {
        myex = e;
        try {
            if ((conn != null) && !conn.getAutoCommit()) {
                conn.rollback();
            }
        } catch (SQLException rbe) {
            logger.log(Logger.ERROR, BrokerResources.X_DB_ROLLBACK_FAILED, rbe);
        }
        Exception ex;
        if (e instanceof BrokerException) {
            throw (BrokerException) e;
        } else if (e instanceof IOException) {
            ex = DBManager.wrapIOException("[" + updateTxnBrokersSQL + "]", (IOException) e);
        } else if (e instanceof SQLException) {
            ex = DBManager.wrapSQLException("[" + updateTxnBrokersSQL + "]", (SQLException) e);
        } else {
            ex = e;
        }
        BrokerException be = new BrokerException(br.getKString(BrokerResources.X_PERSIST_TRANSACTION_FAILED, txnUID), ex);
        be.setSQLRecoverable(true);
        throw be;
    } finally {
        if (myConn) {
            Util.close(null, pstmt, conn, myex);
        } else {
            Util.close(null, pstmt, null, myex);
        }
    }
}

Example 24 with HABrokerInfo

use of com.sun.messaging.jmq.jmsserver.persist.api.HABrokerInfo in project openmq by eclipse-ee4j.

the class SFSHABrokerInfoMap method updateHAMapForState.

private void updateHAMapForState(BrokerState state) throws BrokerException {
    Map map = null;
    if (state == null) {
        map = Globals.getStore().getAllBrokerInfos();
    } else {
        map = Globals.getStore().getAllBrokerInfoByState(state);
    }
    Iterator itr = map.entrySet().iterator();
    while (itr.hasNext()) {
        Map.Entry entry = (Map.Entry) itr.next();
        String key = (String) entry.getKey();
        HABrokerInfo bi = (HABrokerInfo) entry.getValue();
        HAClusteredBrokerImpl impl = (HAClusteredBrokerImpl) get(key);
        if (impl == null) {
            HAClusteredBroker cb = new SFSHAClusteredBrokerImpl(bi.getId(), bi, parent);
            put(key, cb);
            parent.brokerChanged(ClusterReason.ADDED, cb.getBrokerName(), null, cb, cb.getBrokerSessionUID(), null);
        } else {
            impl.update(bi);
        }
    }
    if (state == null) {
        itr = entrySet().iterator();
        while (itr.hasNext()) {
            Map.Entry entry = (Map.Entry) itr.next();
            String key = (String) entry.getKey();
            if (!map.containsKey(key)) {
                itr.remove();
                HAClusteredBrokerImpl impl = (HAClusteredBrokerImpl) entry.getValue();
                parent.brokerChanged(ClusterReason.REMOVED, impl.getBrokerName(), impl, null, impl.getBrokerSessionUID(), null);
            }
        }
    }
}

Example 25 with HABrokerInfo

use of com.sun.messaging.jmq.jmsserver.persist.api.HABrokerInfo in project openmq by eclipse-ee4j.

the class HAClusteredBrokerImpl method getTakeoverBroker.

/**
 * Retrieves the id of the broker who has taken over this broker's store.
 *
 * @return the broker id of the takeover broker (or null if there is not a takeover broker).
 */
@Override
public synchronized String getTakeoverBroker() throws BrokerException {
    HABrokerInfo bkrInfo = Globals.getStore().getBrokerInfo(brokerid);
    if (bkrInfo == null) {
        logger.log(Logger.ERROR, BrokerResources.E_BROKERINFO_NOT_FOUND_IN_STORE, brokerid);
        return null;
    }
    takeoverBroker = bkrInfo.getTakeoverBrokerID();
    return takeoverBroker;
}