Examples of org.apache.ode.bpel.common.CorrelationKey

org.apache.ode.bpel.common.CorrelationKey

Message correlation key. Correlation keys are used to match up incoming messages with a particular process instance. The basic procedure is to generate and save a correlation key when a receive or pick activity is activated, and then to match incoming messages against all correlation keys so saved, finally associating the message with the process instance that had the matching correlation key. In reality this process is somewhat more complicated as pains must be taken to avoid race conditions and to make the matching efficient.
The correlation keys used in the above process consists of a collection of name-value pairs, with the name corresponding to a property name (as defined using the <property> element of the BPEL process document) and with the value corresponding to the value of said property as obtained from a message by means of a property alias (as defined using the <propertyAlias;> BPEL process document element).



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        try {
            selectors = new Selector[_opick.onMessages.size()];
            int idx = 0;
            for (OPickReceive.OnMessage onMessage : _opick.onMessages) {
                CorrelationKey key = null; // this will be the case for the
                // createInstance activity


                PartnerLinkInstance pLinkInstance = _scopeFrame.resolve(onMessage.partnerLink);
                if (onMessage.matchCorrelation == null && !_opick.createInstanceFlag) {
                    // Adding a route for opaque correlation. In this case,
                    // correlation is on "out-of-band" session-id
                    String sessionId = getBpelRuntimeContext().fetchMySessionId(pLinkInstance);
                    key = new CorrelationKey(-1, new String[] { sessionId });
                } else if (onMessage.matchCorrelation != null) {
                    if (!getBpelRuntimeContext().isCorrelationInitialized(
                            _scopeFrame.resolve(onMessage.matchCorrelation))) {
                        // the following should really test if this is a "join"
                        // type correlation...

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623             OProcess.OProperty property = cset.declaration.properties.get(i);
            propValues[i] = readProperty(variable, property);
            propNames[i] = property.name.toString();
        }


        CorrelationKey ckeyVal = new CorrelationKey(cset.declaration.getId(), propValues);
        writeCorrelation(cset, ckeyVal);
    }

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328   public Collection<CorrelationKey> getCorrelationKeys() {
        ArrayList<CorrelationKey> correlationKeys = new ArrayList<CorrelationKey>();
        if (_correlationKeys.indexOf("^") > 0) {
            for (StringTokenizer tokenizer = new StringTokenizer(_correlationKeys, "^"); tokenizer.hasMoreTokens();) {
                String corrStr = tokenizer.nextToken();
                correlationKeys.add(new CorrelationKey(corrStr));
            }
            return correlationKeys;
        } else correlationKeys.add(new CorrelationKey(_correlationKeys));
        return correlationKeys;
    }

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148             __log.debug("INPUTMSG: " + correlatorId + ": MSG RCVD keys="
                    + ArrayUtils.makeCollection(HashSet.class, keys) + " mySessionId=" + mySessionId
                    + " partnerSessionId=" + partnerSessionId);
        }


        CorrelationKey matchedKey = null;


        // Try to find a route for one of our keys.
        for (CorrelationKey key : keys) {
            messageRoute = correlator.findRoute(key);
            if (messageRoute != null) {

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289         List<CorrelationKey> keys = new ArrayList<CorrelationKey>();


        Set<OScope.CorrelationSet> csets = _plinkDef.getCorrelationSetsForOperation(operation);


        for (OScope.CorrelationSet cset : csets) {
            CorrelationKey key = computeCorrelationKey(cset,
                    _process.getOProcess().messageTypes.get(msgDescription.getQName()), msg);
            keys.add(key);
        }


        // Let's creata a key based on the sessionId
        String mySessionId = mex.getProperty(MessageExchange.PROPERTY_SEP_MYROLE_SESSIONID);
        if (mySessionId != null)
            keys.add(new CorrelationKey(-1, new String[] { mySessionId }));


        return keys.toArray(new CorrelationKey[keys.size()]);
    }

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320                 throw new InvalidMessageException(emsg, fe);
            }
            values[jIdx] = value;
        }


        CorrelationKey key = new CorrelationKey(cset.getId(), values);
        return key;
    }

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127          */
        public void run() {
            Selector selector;
            try {
                PickResponseChannel pickResponseChannel = newChannel(PickResponseChannel.class);
                CorrelationKey key;
                PartnerLinkInstance pLinkInstance = _scopeFrame.resolve(_oevent.partnerLink);
                if (_oevent.matchCorrelation == null) {
                    // Adding a route for opaque correlation. In this case correlation is done on "out-of-band" session id.
                    String sessionId = getBpelRuntimeContext().fetchMySessionId(pLinkInstance);
                    key = new CorrelationKey(-1, new String[] {sessionId});
                } else {
                    if (!getBpelRuntimeContext().isCorrelationInitialized(_scopeFrame.resolve(_oevent.matchCorrelation))) {
                        throw new FaultException(_oevent.getOwner().constants.qnCorrelationViolation,"Correlation not initialized.");
                    }
                    key = getBpelRuntimeContext().readCorrelation(_scopeFrame.resolve(_oevent.matchCorrelation));
 

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648             OProcess.OProperty property = cset.declaration.properties.get(i);
            propValues[i] = readProperty(variable, property);
            propNames[i] = property.name.toString();
        }


        CorrelationKey ckeyVal = new CorrelationKey(cset.declaration.getId(), propValues);
        writeCorrelation(cset, ckeyVal);
    }

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        try {
            selectors = new Selector[_opick.onMessages.size()];
            int idx = 0;
            for (OPickReceive.OnMessage onMessage : _opick.onMessages) {
                CorrelationKey key = null; // this will be the case for the
                // createInstance activity


                PartnerLinkInstance pLinkInstance = _scopeFrame.resolve(onMessage.partnerLink);
                if (onMessage.matchCorrelation == null && !_opick.createInstanceFlag) {
                    // Adding a route for opaque correlation. In this case,
                    // correlation is on "out-of-band" session-id
                    String sessionId = getBpelRuntimeContext().fetchMySessionId(pLinkInstance);
                    key = new CorrelationKey(-1, new String[] { sessionId });
                } else if (onMessage.matchCorrelation != null) {
                    if (!getBpelRuntimeContext().isCorrelationInitialized(
                            _scopeFrame.resolve(onMessage.matchCorrelation))) {
                        // the following should really test if this is a "join"
                        // type correlation...

View Full Code Here


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137             __log.debug("INPUTMSG: " + correlatorId + ": MSG RCVD keys="
                    + ArrayUtils.makeCollection(HashSet.class, keys) + " mySessionId=" + mySessionId
                    + " partnerSessionId=" + partnerSessionId);
        }


        CorrelationKey matchedKey = null;


        // Try to find a route for one of our keys.
        for (CorrelationKey key : keys) {
            messageRoute = correlator.findRoute(key);
            if (messageRoute != null) {

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Related Classes of org.apache.ode.bpel.common.CorrelationKey

org.apache.ode.bpel.engine.BpelRuntimeContextImpl
org.apache.ode.bpel.engine.migration.CorrelationKeyMigration
org.apache.ode.bpel.engine.migration.CorrelationKeySetDataMigration
org.apache.ode.bpel.engine.migration.CorrelationKeySetMigration
org.apache.ode.bpel.engine.PartnerLinkMyRoleImpl
org.apache.ode.bpel.engine.WorkEvent
org.apache.ode.bpel.memdao.ProcessDaoImpl
org.apache.ode.bpel.rtrep.v1.BpelJacobRunnable
org.apache.ode.bpel.rtrep.v1.EH_EVENT$SELECT
org.apache.ode.bpel.rtrep.v1.PICK



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