Examples with MessageSelector com.swiftmq.ms.MessageSelector used on opensource projects

Example 21 with MessageSelector

use of com.swiftmq.ms.MessageSelector in project swiftmq-ce by iitsoftware.

the class QueueMemory method select.

@Override
public Memory select(String selector) throws Exception {
    MessageSelector sel = new MessageSelector(selector);
    sel.compile();
    Memory child = new HeapMemory(ctx);
    for (int i = 0; i < messageStore.size(); i++) {
        Message message = at(i);
        if (message.isSelected(sel))
            child.add(message);
    }
    return child;
}

Example 22 with MessageSelector

use of com.swiftmq.ms.MessageSelector in project swiftmq-ce by iitsoftware.

the class QueueMemory method remove.

@Override
public Memory remove(String selector) throws Exception {
    MessageSelector sel = new MessageSelector(selector);
    sel.compile();
    List<KeyEntry> list = messageStore.all();
    for (int i = 0; i < list.size(); i++) {
        KeyEntry keyEntry = list.get(i);
        if (keyEntry.messageIndex != null) {
            MessageEntry entry = abstractQueue.getMessageByIndex(keyEntry.messageIndex);
            if (sel.isSelected(entry.getMessage())) {
                messageStore.remove(keyEntry.key);
                txBookKeeper.remove(keyEntry.key, keyEntry);
                removeFromIndexes(keyEntry.key, ctx.messageBuilder.wrap(entry.getMessage()));
            }
        }
    }
    txBookKeeper.remove(sel);
    return this;
}

Example 23 with MessageSelector

use of com.swiftmq.ms.MessageSelector in project swiftmq-ce by iitsoftware.

the class BrowserManager method createBrowser.

public void createBrowser(CreateBrowserRequest request) {
    CreateBrowserReply reply = (CreateBrowserReply) request.createReply();
    QueueImpl queue = request.getQueue();
    String messageSelector = request.getMessageSelector();
    MessageSelector msel = null;
    String queueName = null;
    try {
        queueName = queue.getQueueName();
    } catch (JMSException ignored) {
    }
    try {
        if (messageSelector != null) {
            msel = new MessageSelector(messageSelector);
            msel.compile();
        }
        if (!ctx.queueManager.isQueueRunning(queueName)) {
            ctx.logSwiftlet.logWarning("sys$jms", ctx.tracePrefix + "/" + toString() + ": Invalid destination: " + queueName);
            if (ctx.traceSpace.enabled)
                ctx.traceSpace.trace("sys$jms", ctx.tracePrefix + "/" + toString() + ": Invalid destination: " + queue);
            reply.setOk(false);
            reply.setException(new InvalidDestinationException("Invalid destination: " + queueName));
        } else {
            if (ctx.traceSpace.enabled)
                ctx.traceSpace.trace("sys$jms", ctx.tracePrefix + "/" + toString() + ": Creating browser with selector: " + msel);
            com.swiftmq.swiftlet.queue.QueueBrowser queueBrowser = ctx.queueManager.createQueueBrowser(queueName, ctx.activeLogin, msel);
            int idx = ArrayListTool.setFirstFreeOrExpand(queueBrowsers, queueBrowser);
            reply.setOk(true);
            reply.setQueueBrowserId(idx);
            if (browserEntityList != null) {
                Entity browserEntity = browserEntityList.createEntity();
                browserEntity.setName(queueName + "-" + idx);
                browserEntity.setDynamicObject(queueBrowser);
                browserEntity.createCommands();
                Property prop = browserEntity.getProperty("queue");
                prop.setValue(queueName);
                prop.setReadOnly(true);
                prop = browserEntity.getProperty("selector");
                if (msel != null) {
                    prop.setValue(msel.getConditionString());
                }
                prop.setReadOnly(true);
                browserEntityList.addEntity(browserEntity);
            }
        }
    } catch (InvalidSelectorException e) {
        ctx.logSwiftlet.logWarning("sys$jms", ctx.tracePrefix + "/" + toString() + ": CreateBrowser has invalid Selector: " + e);
        if (ctx.traceSpace.enabled)
            ctx.traceSpace.trace("sys$jms", ctx.tracePrefix + "/" + toString() + ": CreateBrowser has invalid Selector: " + e);
        reply.setOk(false);
        reply.setException(e);
    } catch (Exception e) {
        ctx.logSwiftlet.logWarning("sys$jms", ctx.tracePrefix + "/" + toString() + ": Exception during createQueueBrowser: " + e);
        if (ctx.traceSpace.enabled)
            ctx.traceSpace.trace("sys$jms", ctx.tracePrefix + "/" + toString() + ": Exception during createQueueBrowser: " + e);
        reply.setOk(false);
        reply.setException(e);
    }
    reply.send();
}

Example 24 with MessageSelector

use of com.swiftmq.ms.MessageSelector in project swiftmq-ce by iitsoftware.

the class Copier method copyWithSelector.

private String[] copyWithSelector(String[] cmd) throws Exception {
    int max = getMaxLimit(cmd);
    int decr = max == Integer.MAX_VALUE ? 0 : 2;
    StringBuffer b = new StringBuffer();
    for (int i = 5; i < cmd.length - decr; i++) {
        if (i > 5)
            b.append(' ');
        b.append(cmd[i]);
    }
    MessageSelector selector = new MessageSelector(b.toString());
    selector.compile();
    QueueReceiver receiver = ctx.queueManager.createQueueReceiver(cmd[1], null, selector);
    QueuePullTransaction pullTx = receiver.createTransaction(false);
    QueueSender sender = null;
    QueueImpl targetQueueAddr = null;
    if (cmd[2].equals("-queue")) {
        sender = ctx.queueManager.createQueueSender(cmd[3], null);
        targetQueueAddr = new QueueImpl(cmd[3]);
    } else {
        String qft = ctx.topicManager.getQueueForTopic(cmd[3]);
        sender = ctx.queueManager.createQueueSender(qft, null);
        targetQueueAddr = new TopicImpl(cmd[3]);
    }
    QueuePushTransaction pushTx = sender.createTransaction();
    int cnt = 0;
    try {
        MessageEntry entry = null;
        while ((entry = pullTx.getMessage(0, selector)) != null && cnt < max) {
            MessageImpl msg = copyMessage(entry.getMessage());
            msg.setJMSDestination(targetQueueAddr);
            msg.setSourceRouter(null);
            msg.setDestRouter(null);
            pushTx.putMessage(msg);
            cnt++;
            pushTx.commit();
            if (remove) {
                pullTx.commit();
                pullTx = receiver.createTransaction(false);
            }
            pushTx = sender.createTransaction();
        }
    } finally {
        try {
            pullTx.rollback();
        } catch (Exception e) {
        }
        try {
            receiver.close();
        } catch (Exception e) {
        }
        try {
            pushTx.rollback();
        } catch (Exception e) {
        }
        try {
            sender.close();
        } catch (Exception e) {
        }
    }
    return new String[] { TreeCommands.INFO, cnt + " messages processed." };
}

Example 25 with MessageSelector

use of com.swiftmq.ms.MessageSelector in project swiftmq-ce by iitsoftware.

the class Exporter method execute.

public String[] execute(String[] context, Entity entity, String[] cmd) {
    if (cmd.length < 3)
        return new String[] { TreeCommands.ERROR, "Invalid command, please try '" + TreeCommands.EXPORT + " <queuename> <localdir> [-remove] [-xml] [-selector <selector>]" };
    int nMsgs = 0;
    try {
        String queueName = cmd[1];
        String localDir = cmd[2];
        boolean delete = false;
        boolean xml = false;
        String selector = null;
        if (cmd.length > 3) {
            StringBuffer selBuffer = null;
            for (int i = 3; i < cmd.length; i++) {
                if (selBuffer != null) {
                    if (selBuffer.length() > 0)
                        selBuffer.append(' ');
                    selBuffer.append(cmd[i]);
                } else if (cmd[i].equals("-delete"))
                    delete = true;
                else if (cmd[i].equals("-xml"))
                    xml = true;
                else if (cmd[i].equals("-selector"))
                    selBuffer = new StringBuffer();
                else
                    throw new Exception("Invalid option: " + cmd[i]);
            }
            if (selBuffer != null)
                selector = selBuffer.toString();
        }
        XStream xStream = null;
        File outputDir = new File(localDir);
        if (!outputDir.exists()) {
            if (!outputDir.mkdir())
                throw new Exception("Unable to create output directory: " + localDir);
        }
        if (xml) {
            xStream = new XStream(new Dom4JDriver());
            xStream.allowTypesByWildcard(new String[] { ".*" });
        }
        MessageSelector msel = null;
        if (selector != null) {
            msel = new MessageSelector(selector);
            msel.compile();
        }
        QueueReceiver receiver = ctx.queueManager.createQueueReceiver(queueName, null, msel);
        QueuePullTransaction pullTx = receiver.createTransaction(false);
        try {
            MessageEntry entry = null;
            while ((entry = pullTx.getMessage(0, msel)) != null) {
                MessageImpl msg = delete ? entry.getMessage() : copyMessage(entry.getMessage());
                msg.clearSwiftMQAllProps();
                store(queueName, xStream, outputDir, nMsgs++, msg);
                if (delete) {
                    pullTx.commit();
                    pullTx = receiver.createTransaction(false);
                }
            }
        } finally {
            try {
                pullTx.rollback();
            } catch (Exception e) {
            }
            try {
                receiver.close();
            } catch (Exception e) {
            }
        }
    } catch (Exception e) {
        return new String[] { TreeCommands.ERROR, e.getMessage() };
    }
    return new String[] { TreeCommands.INFO, nMsgs + " messages exported." };
}