Examples with MessageException jp.ossc.nimbus.service.publish.MessageException used on opensource projects

Example 1 with MessageException

use of jp.ossc.nimbus.service.publish.MessageException in project nimbus by nimbus-org.

the class DistributedSharedContextService method save.

public void save(Object key, long timeout) throws Exception {
    if (isMain()) {
        if (contextStore != null) {
            sharedContextArray[getDataNodeIndex(key)].save(key, timeout);
        } else {
            throw new UnsupportedOperationException();
        }
    } else {
        try {
            Message message = serverConnection.createMessage(subject, key == null ? null : key.toString());
            Set receiveClients = serverConnection.getReceiveClientIds(message);
            if (receiveClients.size() != 0) {
                message.setObject(new DistributedSharedContextEvent(DistributedSharedContextEvent.EVENT_SAVE, new Object[] { key, new Long(timeout) }));
                try {
                    Message[] responses = serverConnection.request(message, isClient ? clientSubject : subject, null, 1, timeout);
                    Object ret = responses[0].getObject();
                    responses[0].recycle();
                    if (ret instanceof Throwable) {
                        throw new SharedContextSendException((Throwable) ret);
                    }
                } catch (RequestTimeoutException e) {
                    throw new SharedContextTimeoutException(e);
                }
            }
        } catch (MessageException e) {
            throw new SharedContextSendException(e);
        } catch (MessageSendException e) {
            throw new SharedContextSendException(e);
        }
    }
}

Example 2 with MessageException

use of jp.ossc.nimbus.service.publish.MessageException in project nimbus by nimbus-org.

the class DistributedSharedContextService method createResponseMessage.

protected Message createResponseMessage(String responseSubject, String responseKey, Object response) {
    Message result = null;
    try {
        result = serverConnection.createMessage(responseSubject, responseKey);
        result.setObject(response);
    } catch (MessageException e) {
        getLogger().write("DSCS_00001", new Object[] { isClient ? clientSubject : subject, responseSubject, responseKey, response }, e);
    }
    return result;
}

Example 3 with MessageException

use of jp.ossc.nimbus.service.publish.MessageException in project nimbus by nimbus-org.

the class DistributedSharedContextService method rehash.

public synchronized void rehash(long timeout) throws SharedContextSendException, SharedContextTimeoutException {
    if (!isRehashEnabled) {
        return;
    }
    if (isMain()) {
        try {
            Message message = serverConnection.createMessage(subject, Integer.toString(DistributedSharedContextEvent.EVENT_GET_DIST_INFO));
            Set receiveClients = serverConnection.getReceiveClientIds(message);
            if (receiveClients.size() == 0) {
                DistributeGrid grid = new DistributeGrid();
                grid.addDistributeInfo(distributeInfo);
                grid.rehash();
                distributeInfo.apply(distributeInfo, sharedContextArray);
            } else {
                message.setObject(new DistributedSharedContextEvent(DistributedSharedContextEvent.EVENT_GET_DIST_INFO, new Long(timeout)));
                long start = System.currentTimeMillis();
                Message[] responses = null;
                try {
                    responses = serverConnection.request(message, 0, timeout);
                } catch (RequestTimeoutException e) {
                    throw new SharedContextTimeoutException("Timeout has occurred to get state of distribution.", e);
                }
                final boolean isNoTimeout = timeout <= 0;
                timeout = isNoTimeout ? timeout : timeout - (System.currentTimeMillis() - start);
                DistributeGrid grid = new DistributeGrid();
                grid.addDistributeInfo(distributeInfo);
                for (int i = 0; i < responses.length; i++) {
                    grid.addDistributeInfo((DistributeInfo) responses[i].getObject());
                    responses[i].recycle();
                }
                grid.rehash();
                RehashResponseCallBack callback = new RehashResponseCallBack();
                Map increaseDistributeInfos = grid.getIncreaseDistributeInfos();
                DistributeInfo info = (DistributeInfo) increaseDistributeInfos.remove(getId());
                if (info != null) {
                    info.apply(distributeInfo, sharedContextArray);
                }
                if (increaseDistributeInfos.size() != 0) {
                    callback.setResponseCount(increaseDistributeInfos.size());
                    Iterator infos = increaseDistributeInfos.values().iterator();
                    while (infos.hasNext()) {
                        info = (DistributeInfo) infos.next();
                        Message rehashMessage = serverConnection.createMessage(subject, Integer.toString(DistributedSharedContextEvent.EVENT_REHASH));
                        rehashMessage.setObject(new DistributedSharedContextEvent(DistributedSharedContextEvent.EVENT_REHASH, info));
                        rehashMessage.addDestinationId(info.getId());
                        serverConnection.request(rehashMessage, 1, timeout, callback);
                    }
                    callback.waitResponse(timeout);
                }
                Map decreaseDistributeInfos = grid.getDecreaseDistributeInfos();
                info = (DistributeInfo) decreaseDistributeInfos.remove(getId());
                if (info != null) {
                    info.apply(distributeInfo, sharedContextArray);
                }
                if (decreaseDistributeInfos.size() != 0) {
                    callback.setResponseCount(decreaseDistributeInfos.size());
                    Iterator infos = decreaseDistributeInfos.values().iterator();
                    while (infos.hasNext()) {
                        info = (DistributeInfo) infos.next();
                        Message rehashMessage = serverConnection.createMessage(subject, Integer.toString(DistributedSharedContextEvent.EVENT_REHASH));
                        rehashMessage.setObject(new DistributedSharedContextEvent(DistributedSharedContextEvent.EVENT_REHASH, info));
                        rehashMessage.addDestinationId(info.getId());
                        serverConnection.request(rehashMessage, 1, timeout, callback);
                    }
                    callback.waitResponse(timeout);
                }
            }
        } catch (MessageException e) {
            throw new SharedContextSendException(e);
        } catch (MessageSendException e) {
            throw new SharedContextSendException(e);
        }
    } else {
        try {
            Message message = serverConnection.createMessage(subject, Integer.toString(DistributedSharedContextEvent.EVENT_REHASH_REQUEST));
            Set receiveClients = serverConnection.getReceiveClientIds(message);
            if (receiveClients.size() != 0) {
                message.setObject(new DistributedSharedContextEvent(DistributedSharedContextEvent.EVENT_REHASH_REQUEST, new Long(timeout)));
                try {
                    Message[] responses = serverConnection.request(message, isClient ? clientSubject : subject, null, 1, timeout);
                    Object ret = responses[0].getObject();
                    responses[0].recycle();
                    if (ret instanceof Throwable) {
                        throw new SharedContextSendException((Throwable) ret);
                    }
                } catch (RequestTimeoutException e) {
                    throw new SharedContextTimeoutException(e);
                }
            }
        } catch (MessageException e) {
            throw new SharedContextSendException(e);
        } catch (MessageSendException e) {
            throw new SharedContextSendException(e);
        }
    }
}

Example 4 with MessageException

use of jp.ossc.nimbus.service.publish.MessageException in project nimbus by nimbus-org.

the class DistributedSharedContextService method onRequestMessage.

public Message onRequestMessage(Object sourceId, int sequence, Message message, String responseSubject, String responseKey) {
    DistributedSharedContextEvent event = null;
    try {
        event = (DistributedSharedContextEvent) message.getObject();
    } catch (MessageException e) {
        return null;
    }
    Message result = null;
    switch(event.type) {
        case DistributedSharedContextEvent.EVENT_GET_DIST_INFO:
            result = onGetDistributeInfo(event, responseSubject, responseKey);
            break;
        case DistributedSharedContextEvent.EVENT_REHASH:
            result = onRehash(event, sourceId, sequence, responseSubject, responseKey);
            break;
        case DistributedSharedContextEvent.EVENT_REHASH_REQUEST:
            onRehashRequest(event, sourceId, sequence, responseSubject, responseKey);
            break;
        case DistributedSharedContextEvent.EVENT_SAVE:
            result = onSave(event, sourceId, sequence, responseSubject, responseKey);
            break;
        case DistributedSharedContextEvent.EVENT_LOAD:
            result = onLoad(event, sourceId, sequence, responseSubject, responseKey);
            break;
        case DistributedSharedContextEvent.EVENT_LOAD_KEY:
            result = onLoadKey(event, sourceId, sequence, responseSubject, responseKey);
            break;
        case DistributedSharedContextEvent.EVENT_REHASH_SWITCH:
            result = onRehashSwitch(event, responseSubject, responseKey);
            break;
        default:
    }
    return result;
}

Example 5 with MessageException

use of jp.ossc.nimbus.service.publish.MessageException in project nimbus by nimbus-org.

the class DistributedSharedContextService method load.

public void load(Object key, long timeout) throws Exception {
    if (isMain()) {
        if (contextStore != null) {
            contextStore.load(this, key);
        } else {
            throw new UnsupportedOperationException();
        }
    } else {
        try {
            Message message = serverConnection.createMessage(subject, key == null ? null : key.toString());
            Set receiveClients = serverConnection.getReceiveClientIds(message);
            if (receiveClients.size() != 0) {
                message.setObject(new DistributedSharedContextEvent(DistributedSharedContextEvent.EVENT_LOAD, key));
                try {
                    Message[] responses = serverConnection.request(message, isClient ? clientSubject : subject, null, 1, timeout);
                    Object ret = responses[0].getObject();
                    responses[0].recycle();
                    if (ret instanceof Throwable) {
                        throw new SharedContextSendException((Throwable) ret);
                    }
                } catch (RequestTimeoutException e) {
                    throw new SharedContextTimeoutException(e);
                }
            }
        } catch (MessageException e) {
            throw new SharedContextSendException(e);
        } catch (MessageSendException e) {
            throw new SharedContextSendException(e);
        }
    }
}