Examples of org.apache.synapse.mediators.base.SequenceMediator

Package org.apache.synapse.mediators.base

Examples of org.apache.synapse.mediators.base.SequenceMediator

org.apache.synapse.mediators.base.SequenceMediator
The Sequence mediator either refers to a named Sequence mediator instance or is a *Named* list/sequence of other (child) Mediators
If this instance defines a sequence mediator, then the name is required, and an errorHandler sequence name optional. If this instance refers to another (defined) sequence mediator, the errorHandler will not have a meaning, and if an error in encountered in the referred sequence, its errorHandler would execute.

        synapseConfig.addEndpoint(epr.getName(), epr);
        assertItemAdded(epr.getName(), ENDPOINT);
        synapseConfig.removeEndpoint(epr.getName());
        assertItemRemoved(epr.getName(), ENDPOINT);


        SequenceMediator seq = new SequenceMediator();
        seq.setName("sequence1");
        synapseConfig.addSequence(seq.getName(), seq);
        assertItemAdded(seq.getName(), SEQUENCE);
        synapseConfig.removeSequence(seq.getName());
        assertItemRemoved(seq.getName(), SEQUENCE);


        TemplateMediator template = new TemplateMediator();
        template.setName("template1");
        synapseConfig.addSequenceTemplate(template.getName(), template);
        assertItemAdded(template.getName(), SEQUENCE_TEMPLATE);

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                File file = (File) sequences.next();
                OMElement document = getOMElement(file);
                Mediator seq = SynapseXMLConfigurationFactory.defineSequence(synapseConfig,
                        document, properties);
                if (seq != null && seq instanceof SequenceMediator) {
                    SequenceMediator sequence = (SequenceMediator) seq;
                    sequence.setFileName(file.getName());
                    synapseConfig.getArtifactDeploymentStore().addArtifact(
                            file.getAbsolutePath(), sequence.getName());
                 }
             }
        }
    }

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     * &lt;/sequence&gt;
     * </pre>
     * @param ele
     */
    private void defineSequence(SynapseConfiguration config, OMElement ele) {
        SequenceMediator seq = (SequenceMediator) MediatorFactoryFinder.getInstance().getMediator(ele);
        config.addNamedMediator(seq.getName(), seq);
    }

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        return SEQUENCE_Q;
    }


    public Mediator createMediator(OMElement elem) {


        SequenceMediator seqMediator = new SequenceMediator();


        OMAttribute n = elem.getAttribute(new QName(Constants.NULL_NAMESPACE, "name"));
        if (n != null) {
            seqMediator.setName(n.getAttributeValue());
            super.addChildren(elem, seqMediator);


        } else {
            n = elem.getAttribute(new QName(Constants.NULL_NAMESPACE, "ref"));
            if (n != null) {
                seqMediator.setRef(n.getAttributeValue());
                
            } else {
                String msg = "A sequence mediator should be a named sequence or a reference to another sequence " +
                    "(i.e. a name attribute or ref attribute is required.";
                log.error(msg);

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    public void deleteSequence(String sequenceName) throws SequenceEditorException {
        final Lock lock = getLock();
        try {
            lock.lock();
            SynapseConfiguration synCfg = getSynapseConfiguration();
            SequenceMediator sequence = synCfg.getDefinedSequences().get(sequenceName);
            if (sequence != null) {
                synCfg.removeSequence(sequenceName);
                MediationPersistenceManager pm = getMediationPersistenceManager();
                pm.deleteItem(sequenceName, sequence.getFileName(),
                        ServiceBusConstants.ITEM_TYPE_SEQUENCE);
            } else {
                handleException("No defined sequence with name " + sequenceName
                        + " found to delete in the Synapse configuration");
            }

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                            getSynapseConfiguration().getProperties());
                    if(log.isDebugEnabled()) {
                        log.debug("Added sequence : " + sequenceName + " to the configuration");
                    }
                    
                    SequenceMediator seq = config.getDefinedSequences().get(sequenceName);
                    seq.setFileName(ServiceBusUtils.generateFileName(sequenceName));
                    seq.init(getSynapseEnvironment());


                    //noinspection ConstantConditions
                    persistSequence(seq);
                }
            } else {

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            if (sequenceElement != null && sequenceElement.getLocalName().equals(
                    XMLConfigConstants.SEQUENCE_ELT.getLocalPart())) {
                String sequenceName = sequenceElement.getAttributeValue(new QName("name"));
                SynapseConfiguration config = getSynapseConfiguration();
                log.debug("Saving sequence : " + sequenceName);
                SequenceMediator preSeq = config.getDefinedSequences().get(sequenceName);
                if (preSeq == null) {
                    handleException("Unable to save sequence " + sequenceName + ". Does not exist");
                } else {
                    // we should first try to build the new sequence. if exception we return
                    Mediator mediator = MediatorFactoryFinder.getInstance().getMediator(
                            sequenceElement, getSynapseConfiguration().getProperties());


                    boolean statisticsEnable = preSeq.isStatisticsEnable();
                    // if everything went successfully we remove the sequence
                    config.removeSequence(sequenceName);
                    if (mediator instanceof SequenceMediator) {
                        if (statisticsEnable) {
                            ((SequenceMediator) mediator).enableStatistics();
                        }
                        ((SequenceMediator)mediator).setFileName(preSeq.getFileName());
                    }


                    config.addSequence(sequenceName, mediator);
                    log.debug("Saved sequence : " + sequenceName + " to the configuration");


                    SequenceMediator seq = config.getDefinedSequences().get(sequenceName);
                    if (seq != null) {
                        seq.init(getSynapseEnvironment());
                        persistSequence(seq);
                    }
                }
            } else {
                handleException("Unable to save sequence. Invalid definition");

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    public String enableStatistics(String sequenceName) throws SequenceEditorException {
        final Lock lock = getLock();
        try {
            lock.lock();
            SequenceMediator sequence
                    = (SequenceMediator) getSynapseConfiguration().getSequence(sequenceName);
            if (sequence != null) {
                sequence.enableStatistics();
                persistSequence(sequence);
                return sequenceName;
            } else {
                handleException("No defined sequence with name " + sequenceName
                        + " found to enable statistics in the Synapse configuration");

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    public String disableStatistics(String sequenceName) throws SequenceEditorException {
        final Lock lock = getLock();
        try {
            lock.lock();
            SequenceMediator sequence
                    = (SequenceMediator) getSynapseConfiguration().getSequence(sequenceName);
            if (sequence != null) {
                sequence.disableStatistics();
                persistSequence(sequence);
                return sequenceName;
            } else {
                handleException("No defined sequence with name " + sequenceName
                        + " found to disable statistics in the Synapse configuration");

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    public String enableTracing(String sequenceName) throws SequenceEditorException {
        final Lock lock = getLock();
        try {
            lock.lock();
            SequenceMediator sequence
                    = (SequenceMediator) getSynapseConfiguration().getSequence(sequenceName);
            if (sequence != null) {
                sequence.setTraceState(SynapseConstants.TRACING_ON);
                persistSequence(sequence);
                return sequenceName;
            } else {
                handleException("No defined sequence with name " + sequenceName
                        + " found to enable tracing in the Synapse configuration");

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org.apache.stratos.mediator.autoscale.lbautoscale.internal.AutoscalerTaskServiceComponent

org.apache.synapse.api.Mediator

org.apache.synapse.config.SynapseConfiguration

org.apache.synapse.config.SynapseConfigurationBuilder

org.apache.synapse.config.SynapseConfigUtils

org.apache.synapse.config.SynapseObserverTest

org.apache.synapse.config.xml.AggregateMediatorFactory

org.apache.synapse.config.xml.MultiXMLConfigurationBuilder

org.apache.synapse.config.xml.MultiXMLConfigurationBuilderTest

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