Examples with Guard nl.nn.adapterframework.util.Guard used on opensource projects

Example 1 with Guard

use of nl.nn.adapterframework.util.Guard in project iaf by ibissource.

the class IsolatedServiceCaller method callServiceIsolated.

public String callServiceIsolated(String serviceName, String correlationID, String message, HashMap context, boolean targetIsJavaListener) throws ListenerException {
    Guard guard = new Guard();
    guard.addResource();
    IsolatedServiceExecutor ise = new IsolatedServiceExecutor(serviceName, correlationID, message, context, targetIsJavaListener, guard);
    getTaskExecutor().execute(ise);
    try {
        guard.waitForAllResources();
    } catch (InterruptedException e) {
        throw new ListenerException(ClassUtils.nameOf(this) + " was interupted", e);
    }
    if (ise.getThrowable() != null) {
        if (ise.getThrowable() instanceof ListenerException) {
            throw (ListenerException) ise.getThrowable();
        } else {
            throw new ListenerException(ise.getThrowable());
        }
    } else {
        return (String) ise.getReply();
    }
}

Example 2 with Guard

use of nl.nn.adapterframework.util.Guard in project iaf by ibissource.

the class ShadowSender method doSendMessage.

/**
 * We override this from the parallel sender as we should only execute the original and shadowsenders here!
 */
@Override
public String doSendMessage(String correlationID, String message, ParameterResolutionContext prc) throws SenderException, TimeOutException {
    Guard guard = new Guard();
    Map<ISender, ParallelSenderExecutor> executorMap = new HashMap<ISender, ParallelSenderExecutor>();
    TaskExecutor executor = createTaskExecutor();
    for (Iterator<ISender> it = getExecutableSenders(); it.hasNext(); ) {
        ISender sender = it.next();
        // Create a new ParameterResolutionContext to be thread safe, see
        // documentation on constructor of ParameterResolutionContext
        // (parameter cacheXmlSource).
        // Testing also showed that disabling caching is better for
        // performance. At least when testing with a lot of large messages
        // in parallel. This might be due to the fact that objects can be
        // garbage collected earlier. OutOfMemoryErrors occur much
        // faster when caching is enabled. Testing was done by sending 10
        // messages of 1 MB concurrently to a pipeline which will process
        // the message in parallel with 10 SenderWrappers (containing a
        // XsltSender and IbisLocalSender).
        ParameterResolutionContext newPrc = new ParameterResolutionContext(prc.getInput(), prc.getSession(), prc.isNamespaceAware(), prc.isXslt2(), false);
        guard.addResource();
        ParallelSenderExecutor pse = new ParallelSenderExecutor(sender, correlationID, message, newPrc, guard, getStatisticsKeeper(sender));
        executorMap.put(sender, pse);
        executor.execute(pse);
    }
    try {
        guard.waitForAllResources();
    } catch (InterruptedException e) {
        throw new SenderException(getLogPrefix() + "was interupted", e);
    }
    ParallelSenderExecutor originalSender = null;
    XmlBuilder resultsXml = new XmlBuilder("results");
    resultsXml.addAttribute("correlationID", correlationID);
    resultsXml.addAttribute("adapter", getPipe().getAdapter().getName());
    XmlBuilder originalMessageXml = new XmlBuilder("originalMessage");
    originalMessageXml.setValue(XmlUtils.skipXmlDeclaration(message), false);
    resultsXml.addSubElement(originalMessageXml);
    // First loop through all (Shadow)Senders and handle their results
    for (Iterator<ISender> it = getExecutableSenders(); it.hasNext(); ) {
        ISender sender = it.next();
        ParallelSenderExecutor pse = (ParallelSenderExecutor) executorMap.get(sender);
        XmlBuilder resultXml;
        if (sender.getName() != null && sender.getName().equalsIgnoreCase(getOriginalSender())) {
            originalSender = pse;
            resultXml = new XmlBuilder("originalResult");
        } else {
            resultXml = new XmlBuilder("shadowResult");
        }
        StatisticsKeeper sk = getStatisticsKeeper(sender);
        resultXml.addAttribute("duration", sk.getLast() + sk.getUnits());
        resultXml.addAttribute("count", sk.getCount());
        resultXml.addAttribute("senderClass", ClassUtils.nameOf(sender));
        resultXml.addAttribute("senderName", sender.getName());
        Throwable throwable = pse.getThrowable();
        if (throwable == null) {
            Object result = pse.getReply();
            if (result == null) {
                resultXml.addAttribute("type", "null");
            } else {
                resultXml.addAttribute("type", ClassUtils.nameOf(result));
                resultXml.setValue(XmlUtils.skipXmlDeclaration(result.toString()), false);
            }
        } else {
            resultXml.addAttribute("type", ClassUtils.nameOf(throwable));
            resultXml.setValue(throwable.getMessage());
        }
        resultsXml.addSubElement(resultXml);
    }
    // cause an SenderException regardless of the results of the ShadowSenders.
    if (originalSender == null) {
        // In theory this should never happen!
        throw new SenderException("no originalSender found");
    }
    // The messages have been processed, now the results need to be stored somewhere.
    try {
        if (resultISender instanceof ISenderWithParameters) {
            ParameterResolutionContext newPrc = new ParameterResolutionContext(resultsXml.toXML(), prc.getSession());
            ((ISenderWithParameters) resultISender).sendMessage(correlationID, resultsXml.toXML(), newPrc);
        } else {
            resultISender.sendMessage(correlationID, resultsXml.toXML());
        }
    } catch (SenderException se) {
        log.warn("failed to send ShadowSender result to [" + resultISender.getName() + "]");
    }
    if (originalSender.getThrowable() != null) {
        throw new SenderException(originalSender.getThrowable());
    } else {
        return originalSender.getReply().toString();
    }
}

Example 3 with Guard

use of nl.nn.adapterframework.util.Guard in project iaf by ibissource.

the class ParallelSenders method doSendMessage.

public String doSendMessage(String correlationID, String message, ParameterResolutionContext prc) throws SenderException, TimeOutException {
    Guard guard = new Guard();
    Map<ISender, ParallelSenderExecutor> executorMap = new HashMap<ISender, ParallelSenderExecutor>();
    TaskExecutor executor = createTaskExecutor();
    for (Iterator<ISender> it = getSenderIterator(); it.hasNext(); ) {
        ISender sender = it.next();
        // Create a new ParameterResolutionContext to be thread safe, see
        // documentation on constructor of ParameterResolutionContext
        // (parameter cacheXmlSource).
        // Testing also showed that disabling caching is better for
        // performance. At least when testing with a lot of large messages
        // in parallel. This might be due to the fact that objects can be
        // garbage collected earlier. OutOfMemoryErrors occur much
        // faster when caching is enabled. Testing was done by sending 10
        // messages of 1 MB concurrently to a pipeline which will process
        // the message in parallel with 10 SenderWrappers (containing a
        // XsltSender and IbisLocalSender).
        ParameterResolutionContext newPrc = new ParameterResolutionContext(prc.getInput(), prc.getSession(), prc.isNamespaceAware(), prc.isXslt2(), false);
        guard.addResource();
        ParallelSenderExecutor pse = new ParallelSenderExecutor(sender, correlationID, message, newPrc, guard, getStatisticsKeeper(sender));
        executorMap.put(sender, pse);
        executor.execute(pse);
    }
    try {
        guard.waitForAllResources();
    } catch (InterruptedException e) {
        throw new SenderException(getLogPrefix() + "was interupted", e);
    }
    XmlBuilder resultsXml = new XmlBuilder("results");
    for (Iterator<ISender> it = getSenderIterator(); it.hasNext(); ) {
        ISender sender = it.next();
        ParallelSenderExecutor pse = (ParallelSenderExecutor) executorMap.get(sender);
        XmlBuilder resultXml = new XmlBuilder("result");
        resultXml.addAttribute("senderClass", ClassUtils.nameOf(sender));
        resultXml.addAttribute("senderName", sender.getName());
        Throwable throwable = pse.getThrowable();
        if (throwable == null) {
            Object result = pse.getReply();
            if (result == null) {
                resultXml.addAttribute("type", "null");
            } else {
                resultXml.addAttribute("type", ClassUtils.nameOf(result));
                resultXml.setValue(XmlUtils.skipXmlDeclaration(result.toString()), false);
            }
        } else {
            resultXml.addAttribute("type", ClassUtils.nameOf(throwable));
            resultXml.setValue(throwable.getMessage());
        }
        resultsXml.addSubElement(resultXml);
    }
    return resultsXml.toXML();
}