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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102             propNames[i] = property.name.toString();
            if (__log.isDebugEnabled())
              __log.debug("Setting correlation property " + propNames[i] + "=" + propValues[i]);
        }


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

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93     public void setCorrelationKey(CorrelationKey key) {
         _selector.setCorrelationKey(key.toCanonicalString());
     }


     public CorrelationKey getCorrelationKey() {
         return new CorrelationKey(_selector.getCorrelationKey());
     }

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39         entering("CorrelatorDaoImpl.CorrelatorDaoImpl");
        _hobj = hobj;
    }


    public CorrelationKey getCorrelationKey() {
        return new CorrelationKey(_hobj.getCorrelationKey());
    }

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87         getSession().update(_correlationSet);
    }


  public CorrelationKey getValue() {
      entering("CorrelationSetDaoImpl.getValue");
    if (_correlationSet.getValue() != null) return new CorrelationKey(_correlationSet.getValue());
    else return null;
  }

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105     return _scope;
  }


  public CorrelationKey getValue() {
        if (_correlationKey == null) return null;
        return new CorrelationKey(_correlationKey);
  }

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89     public Long getId() {
        return _id;
    }


    public CorrelationKey getCorrelationKey() {
    return new CorrelationKey(_correlationKey);
  }

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111         HashMap<Long,ProcessInstanceDAO> instances = new HashMap<Long,ProcessInstanceDAO>();


        // Migrate correlation set values
        Collection<CorrelationSetDAO> csets = connection.getActiveCorrelationSets();
        for (CorrelationSetDAO cset : csets) {
            CorrelationKey ckey = cset.getValue();
            instances.put(cset.getInstance().getInstanceId(), cset.getInstance());
            if (ckey != null) {
                __log.debug("Correlation set id " + cset.getCorrelationSetId() + " key " + ckey);
                Integer ckeyInt = asInt(ckey.getCorrelationSetName());
                if (ckeyInt != null) {
                    OScope.CorrelationSet ocset = findCorrelationById(ckeyInt, registeredProcesses, cset.getProcess().getProcessId());
                    if (ocset == null) __log.debug("Correlation set not found, couldn't upgrade set " + ckey.toCanonicalString());
                    else {
                        cset.setValue(null, new CorrelationKey(ocset.name, ckey.getValues()));
                    }
                }
            }
        }


        // Migrate routes and message queue for each correlator
        for (BpelProcess process : registeredProcesses) {
            __log.debug("Migrating correlators for process " + process.getConf().getProcessId());
            ProcessDAO processDao = connection.getProcess(process.getConf().getProcessId());


            for (OPartnerLink plink : process.getOProcess().getAllPartnerLinks()) {
                if (plink.hasMyRole()) {
                    for (Iterator opI = plink.myRolePortType.getOperations().iterator(); opI.hasNext();) {
                        Operation op = (Operation)opI.next();
                        try {
                            CorrelatorDAO corr = processDao.getCorrelator(plink.getName() + "." + op.getName());
                            // Changing all routes
                            if (corr != null) {
                                for (MessageRouteDAO routeDAO : corr.getAllRoutes()) {
                                    CorrelationKey oldKey = routeDAO.getCorrelationKey();
                                    if (oldKey != null) {
                                        Integer ckeyInt = asInt(oldKey.getCorrelationSetName());
                                        if (ckeyInt != null) {
                                            OScope.CorrelationSet ocset = findCorrelationById(ckeyInt, registeredProcesses, process.getConf().getProcessId());
                                            if (ocset == null) __log.debug("Correlation set not found, couldn't upgrade route " + oldKey.toCanonicalString());
                                            else {
                                                routeDAO.setCorrelationKey(new CorrelationKey(ocset.name, oldKey.getValues()));
                                            }
                                        }
                                    }
                                }


                                // Changing all queued messages
                                for (CorrelatorMessageDAO corrMsgDAO : corr.getAllMessages()) {
                                    CorrelationKey oldKey = corrMsgDAO.getCorrelationKey();
                                    if (oldKey != null) {
                                        Integer ckeyInt = asInt(oldKey.getCorrelationSetName());
                                        if (ckeyInt != null) {
                                            OScope.CorrelationSet ocset = findCorrelationById(ckeyInt, registeredProcesses, process.getConf().getProcessId());
                                            if (ocset == null) __log.debug("Correlation set not found, couldn't upgrade route " + oldKey.toCanonicalString());
                                            else {
                                                corrMsgDAO.setCorrelationKey(new CorrelationKey(ocset.name, oldKey.getValues()));
                                            }
                                        }
                                    }
                                }
                            __log.debug("Migrated routes and message queue for correlator " + plink.getName() + "." + op.getName());

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61                         Operation op = (Operation)opI.next();
                        CorrelatorDAO corr = processDao.getCorrelator(plink.getName() + "." + op.getName());
                        // Changing all routes
                        if (corr != null) {
                            for (MessageRouteDAO routeDAO : corr.getAllRoutes()) {
                                CorrelationKey oldKey = routeDAO.getCorrelationKey();
                                if (oldKey != null) {
                                    CorrelationKeySet keySet = new CorrelationKeySet();
                                    keySet.add(oldKey);
                                    routeDAO.setCorrelationKeySet(keySet);
                                }

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157 
        if (matchCorrelations.isEmpty() && !_opick.createInstanceFlag) {
            // Adding a route for opaque correlation. In this case,
            // correlation is on "out-of-band" session-id
            String sessionId = getBpelRuntimeContext().fetchMySessionId(pLinkInstance);
            keySet.add(new CorrelationKey("-1", new String[] { sessionId }));
        } else if (!matchCorrelations.isEmpty()) {
        for( OScope.CorrelationSet cset : matchCorrelations ) {
          CorrelationKey key = null;
          
            if(!getBpelRuntimeContext().isCorrelationInitialized(
                    _scopeFrame.resolve(cset))) {
                    if (!_opick.createInstanceFlag) {
                      throw new FaultException(_opick.getOwner().constants.qnCorrelationViolation,

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108                     if (selCKey != null) {
                        OldCorrelationKey old = (OldCorrelationKey) selCKey;
                        __log.debug("   Changing V1 key " + old.toCanonicalString());


                        CorrelationKeySet newKeySet = new CorrelationKeySet();
                        newKeySet.add(new CorrelationKey(""+old.getCSetId(), old.getValues()));
                        Selector newSelector = new Selector(sel.idx, sel.plinkInstance, sel.opName,
                                sel.oneWay, sel.messageExchangeId, newKeySet, "one");
                        newSelector.correlationKey = new CorrelationKey(""+old.getCSetId(), old.getValues());
                        newSelectors[index++] = newSelector;
                    }
                }
                entry.selectors = newSelectors;
            }

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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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