| package org.apache.ode.bpel.engine.migration; |
| |
| import org.apache.ode.bpel.engine.BpelProcess; |
| import org.apache.ode.bpel.engine.ReplacementMapImpl; |
| import org.apache.ode.bpel.engine.OutstandingRequestManager; |
| import org.apache.ode.bpel.dao.*; |
| import org.apache.ode.bpel.common.CorrelationKey; |
| import org.apache.ode.bpel.o.*; |
| import org.apache.ode.bpel.runtime.Selector; |
| import org.apache.ode.jacob.vpu.ExecutionQueueImpl; |
| import org.apache.commons.logging.Log; |
| import org.apache.commons.logging.LogFactory; |
| |
| import javax.xml.namespace.QName; |
| import javax.wsdl.Operation; |
| import java.util.*; |
| import java.io.ObjectStreamClass; |
| import java.io.FileInputStream; |
| import java.io.ByteArrayInputStream; |
| import java.io.ByteArrayOutputStream; |
| |
| /** |
| * Migrates the correlation key values to a scheme containing the OModel correlation |
| * set id to one using its name. So something like 1~abc~de will become foo~abc~de. |
| */ |
| public class CorrelationKeyMigration implements Migration { |
| private static final Log __log = LogFactory.getLog(CorrelationKeyMigration.class); |
| |
| public boolean migrate(Set<BpelProcess> registeredProcesses, BpelDAOConnection connection) { |
| // Map only used to avoid duplicates, set would force to re-implement equals |
| 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()); |
| } |
| } catch (IllegalArgumentException e) { |
| __log.debug("Correlator with id " + plink.getId() + "." + |
| op.getName() + " couldn't be found, skipping."); |
| } |
| } |
| } |
| } |
| } |
| |
| return true; |
| } |
| |
| private Integer asInt(String s) { |
| try { |
| return Integer.parseInt(s); |
| } catch (NumberFormatException e) { |
| return null; |
| } |
| } |
| |
| private OScope.CorrelationSet findCorrelationById(int ckeyInt, Set<BpelProcess> processes, QName processId) { |
| for (BpelProcess process : processes) { |
| if (process.getConf().getProcessId().equals(processId)) { |
| OBase ocset = process.getOProcess().getChild(ckeyInt); |
| if (ocset instanceof OScope.CorrelationSet) return (OScope.CorrelationSet)ocset; |
| } |
| } |
| return null; |
| } |
| |
| } |