Package com.cloud.utils.db

Examples of com.cloud.utils.db.GlobalLock.lock()

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        return new Runnable() {
            @Override
            public void run() {
                GlobalLock scanLock = GlobalLock.getInternLock("AsyncJobManagerGC");
                try {
                    if(scanLock.lock(ACQUIRE_GLOBAL_LOCK_TIMEOUT_FOR_COOPERATION)) {
                        try {
                            reallyRun();
                        } finally {
                            scanLock.unlock();
                        }
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    class VmDiskStatsUpdaterTask implements Runnable {
        @Override
        public void run() {
            GlobalLock scanLock = GlobalLock.getInternLock("vm.disk.stats");
            try {
                if(scanLock.lock(ACQUIRE_GLOBAL_LOCK_TIMEOUT_FOR_COOPERATION)) {
                    //Check for ownership
                    //msHost in UP state with min id should run the job
                    ManagementServerHostVO msHost = _msHostDao.findOneInUpState(new Filter(ManagementServerHostVO.class, "id", true, 0L, 1L));
                    if(msHost == null || (msHost.getMsid() != mgmtSrvrId)){
                        s_logger.debug("Skipping aggregate disk stats update");
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        if (obj.getType() == DataObjectType.TEMPLATE) {
            try{
                String templateIdPoolIdString = "templateId:" + obj.getId() + "poolId:" + this.getId();
                VMTemplateStoragePoolVO templateStoragePoolRef;
                GlobalLock lock = GlobalLock.getInternLock(templateIdPoolIdString);
                if (!lock.lock(5)) {
                    s_logger.debug("Couldn't lock the db on the string " + templateIdPoolIdString);
                    return null;
                }
                try {
                    templateStoragePoolRef = templatePoolDao.findByPoolTemplate(this.getId(),
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                GlobalLock lock = GlobalLock.getInternLock("EventPurge");
                if (lock == null) {
                    s_logger.debug("Couldn't get the global lock");
                    return;
                }
                if (!lock.lock(30)) {
                    s_logger.debug("Couldn't lock the db");
                    return;
                }
                try {
                    final Calendar purgeCal = Calendar.getInstance();
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                GlobalLock lock = GlobalLock.getInternLock("AlertPurge");
                if (lock == null) {
                    s_logger.debug("Couldn't get the global lock");
                    return;
                }
                if (!lock.lock(30)) {
                    s_logger.debug("Couldn't lock the db");
                    return;
                }
                try {
                    final Calendar purgeCal = Calendar.getInstance();
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        GlobalLock portableIpLock = GlobalLock.getInternLock("PortablePublicIpRange");
        PortableIpVO allocatedPortableIp;
        IPAddressVO ipaddr;

        try {
            portableIpLock.lock(5);

            txn.start();

            List<PortableIpVO> portableIpVOs = _portableIpDao.listByRegionIdAndState(1, PortableIp.State.Free);
            if (portableIpVOs == null || portableIpVOs.isEmpty()) {
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        Transaction txn = Transaction.currentTxn();
        GlobalLock portableIpLock = GlobalLock.getInternLock("PortablePublicIpRange");

        txn.start();
        try {
            portableIpLock.lock(5);
            IPAddressVO ip = _ipAddressDao.findById(addrId);

            // unassign portable IP
            PortableIpVO portableIp = _portableIpDao.findByIpAddress(ip.getAddress().addr());
            _portableIpDao.unassignIpAddress(portableIp.getId());
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        @Override
        public void run() {
            try {
                GlobalLock scanLock = GlobalLock.getInternLock("uploadmonitor.storageGC");
                try {
                    if (scanLock.lock(3)) {
                        try {
                            cleanupStorage();
                        } finally {
                            scanLock.unlock();
                        }
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            }

            host = null;
            GlobalLock addHostLock = GlobalLock.getInternLock("AddHostLock");
            try {
                if (addHostLock.lock(ACQUIRE_GLOBAL_LOCK_TIMEOUT_FOR_COOPERATION)) { // to
                    // safely
                    // determine
                    // first
                    // host
                    // in
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                }
            }

        }
        GlobalLock portableIpLock = GlobalLock.getInternLock("PortablePublicIpRange");
        portableIpLock.lock(5);
        Transaction txn = Transaction.currentTxn();
        txn.start();

        PortableIpRangeVO portableIpRange = new PortableIpRangeVO(regionId, vlanId, gateway, netmask, startIP, endIP);
        portableIpRange = _portableIpRangeDao.persist(portableIpRange);
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