| /* | |
| * Copyright 2001-2008 The Apache Software Foundation. | |
| * | |
| * Licensed under the Apache License, Version 2.0 (the "License"); | |
| * you may not use this file except in compliance with the License. | |
| * You may obtain a copy of the License at | |
| * | |
| * http://www.apache.org/licenses/LICENSE-2.0 | |
| * | |
| * Unless required by applicable law or agreed to in writing, software | |
| * distributed under the License is distributed on an "AS IS" BASIS, | |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
| * See the License for the specific language governing permissions and | |
| * limitations under the License. | |
| * | |
| */ | |
| package org.apache.juddi.api.impl; | |
| import java.io.StringWriter; | |
| import java.math.BigInteger; | |
| import java.rmi.RemoteException; | |
| import java.util.ArrayList; | |
| import java.util.HashMap; | |
| import java.util.HashSet; | |
| import java.util.Iterator; | |
| import java.util.List; | |
| import java.util.Map; | |
| import java.util.Queue; | |
| import java.util.Set; | |
| import java.util.Timer; | |
| import java.util.TimerTask; | |
| import java.util.concurrent.ConcurrentLinkedDeque; | |
| import javax.jws.WebParam; | |
| import javax.jws.WebResult; | |
| import javax.jws.WebService; | |
| import javax.jws.soap.SOAPBinding; | |
| import javax.persistence.EntityManager; | |
| import javax.persistence.EntityTransaction; | |
| import javax.persistence.Query; | |
| import javax.xml.bind.JAXB; | |
| import javax.xml.bind.annotation.XmlSeeAlso; | |
| import javax.xml.ws.BindingProvider; | |
| import org.apache.commons.configuration.ConfigurationException; | |
| import static org.apache.juddi.api.impl.AuthenticatedService.logger; | |
| import org.apache.juddi.api.util.QueryStatus; | |
| import org.apache.juddi.api.util.ReplicationQuery; | |
| import org.apache.juddi.config.AppConfig; | |
| import org.apache.juddi.config.PersistenceManager; | |
| import org.apache.juddi.config.Property; | |
| import org.apache.juddi.mapping.MappingApiToModel; | |
| import org.apache.juddi.mapping.MappingModelToApi; | |
| import org.apache.juddi.model.BindingTemplate; | |
| import org.apache.juddi.model.BusinessEntity; | |
| import org.apache.juddi.model.BusinessService; | |
| import org.apache.juddi.model.Operator; | |
| import org.apache.juddi.model.Tmodel; | |
| import static org.apache.juddi.replication.ReplicationNotifier.FetchEdges; | |
| import org.apache.juddi.v3.client.UDDIService; | |
| import org.apache.juddi.v3.error.ErrorMessage; | |
| import org.apache.juddi.v3.error.FatalErrorException; | |
| import org.apache.juddi.validation.ValidateReplication; | |
| import org.uddi.api_v3.OperationalInfo; | |
| import org.uddi.custody_v3.DiscardTransferToken; | |
| import org.uddi.repl_v3.ChangeRecord; | |
| import org.uddi.repl_v3.ChangeRecordIDType; | |
| import org.uddi.repl_v3.ChangeRecords; | |
| import org.uddi.repl_v3.DoPing; | |
| import org.uddi.repl_v3.GetChangeRecords; | |
| import org.uddi.repl_v3.HighWaterMarkVectorType; | |
| import org.uddi.repl_v3.NotifyChangeRecordsAvailable; | |
| import org.uddi.repl_v3.ReplicationConfiguration; | |
| import org.uddi.repl_v3.TransferCustody; | |
| import org.uddi.v3_service.DispositionReportFaultMessage; | |
| import org.uddi.v3_service.UDDIReplicationPortType; | |
| //@WebService(serviceName="UDDIReplicationService", | |
| // endpointInterface="org.uddi.v3_service.UDDIReplicationPortType", | |
| // targetNamespace = "urn:uddi-org:v3_service") | |
| /** | |
| * UDDI Replication defines four APIs. The first two presented here are used to | |
| * perform replication and issue notifications. The latter ancillary APIs | |
| * provide support for other aspects of UDDI Replication. | |
| * <ul><li>get_changeRecords</li> | |
| * <li>notify_changeRecordsAvailable</li> | |
| * <li>do_ping</li> | |
| * <li>get_highWaterMarks</li> | |
| * | |
| * @author <a href="mailto:alexoree@apache.org">Alex O'Ree</a> | |
| */ | |
| @WebService(serviceName = "UDDI_Replication_PortType", targetNamespace = "urn:uddi-org:repl_v3_portType", | |
| endpointInterface = "org.uddi.v3_service.UDDIReplicationPortType") | |
| @XmlSeeAlso({ | |
| org.uddi.custody_v3.ObjectFactory.class, | |
| org.uddi.repl_v3.ObjectFactory.class, | |
| org.uddi.subr_v3.ObjectFactory.class, | |
| org.uddi.api_v3.ObjectFactory.class, | |
| org.uddi.vscache_v3.ObjectFactory.class, | |
| org.uddi.vs_v3.ObjectFactory.class, | |
| org.uddi.sub_v3.ObjectFactory.class, | |
| org.w3._2000._09.xmldsig_.ObjectFactory.class, | |
| org.uddi.policy_v3.ObjectFactory.class, | |
| org.uddi.policy_v3_instanceparms.ObjectFactory.class | |
| }) | |
| public class UDDIReplicationImpl extends AuthenticatedService implements UDDIReplicationPortType { | |
| static void notifyConfigurationChange(ReplicationConfiguration oldConfig, ReplicationConfiguration newConfig) { | |
| //if the config is different | |
| Set<String> oldnodes = getNodes(oldConfig); | |
| Set<String> newNodes = getNodes(newConfig); | |
| Set<String> addedNodes = diffNodeList(oldnodes, newNodes); | |
| if (queue == null) { | |
| queue = new ConcurrentLinkedDeque<NotifyChangeRecordsAvailable>(); | |
| } | |
| for (String s : addedNodes) { | |
| if (!s.equals(node)) { | |
| logger.info("This node: " + node + ". New replication node queue for synchronization: " + s); | |
| HighWaterMarkVectorType highWaterMarkVectorType = new HighWaterMarkVectorType(); | |
| highWaterMarkVectorType.getHighWaterMark().add(new ChangeRecordIDType(s, 0L)); | |
| queue.add(new NotifyChangeRecordsAvailable(s, highWaterMarkVectorType)); | |
| } | |
| } | |
| } | |
| private static Set<String> getNodes(ReplicationConfiguration oldConfig) { | |
| Set<String> ret = new HashSet<String>(); | |
| if (oldConfig == null) { | |
| return ret; | |
| } | |
| for (org.uddi.repl_v3.Operator o : oldConfig.getOperator()) { | |
| ret.add(o.getOperatorNodeID()); | |
| } | |
| if (oldConfig.getCommunicationGraph() != null) { | |
| ret.addAll(oldConfig.getCommunicationGraph().getNode()); | |
| } | |
| return ret; | |
| } | |
| private static Set<String> diffNodeList(Set<String> oldnodes, Set<String> newNodes) { | |
| Set<String> diff = new HashSet<String>(); | |
| Iterator<String> iterator = null; | |
| /*oldnodes.iterator(); | |
| while (iterator.hasNext()){ | |
| String lhs=iterator.next(); | |
| if (!newNodes.contains(lhs)) | |
| diff.add(lhs); | |
| }*/ | |
| iterator = newNodes.iterator(); | |
| while (iterator.hasNext()) { | |
| String lhs = iterator.next(); | |
| if (!oldnodes.contains(lhs)) { | |
| diff.add(lhs); | |
| } | |
| } | |
| return diff; | |
| } | |
| private UDDIServiceCounter serviceCounter; | |
| private static PullTimerTask timer = null; | |
| private long startBuffer = 20000l;//AppConfig.getConfiguration().getLong(Property.JUDDI_NOTIFICATION_START_BUFFER, 20000l); // 20s startup delay default | |
| private long interval = 5000l;// AppConfig.getConfiguration().getLong(Property.JUDDI_NOTIFICATION_INTERVAL, 300000l); //5 min default | |
| private static UDDIPublicationImpl pub = null; | |
| public UDDIReplicationImpl() { | |
| super(); | |
| if (pub == null) { | |
| pub = new UDDIPublicationImpl(); | |
| } | |
| serviceCounter = ServiceCounterLifecycleResource.getServiceCounter(UDDIReplicationImpl.class); | |
| Init(); | |
| try { | |
| startBuffer = AppConfig.getConfiguration().getLong(Property.JUDDI_NOTIFICATION_START_BUFFER, 20000l); // 20s startup delay default | |
| interval = 5000;//AppConfig.getConfiguration().getLong(Property.JUDDI_NOTIFICATION_INTERVAL, 300000l); //5 min default | |
| } catch (ConfigurationException ex) { | |
| logger.fatal(ex); | |
| } | |
| } | |
| private synchronized void Init() { | |
| if (queue == null) { | |
| queue = new ConcurrentLinkedDeque<NotifyChangeRecordsAvailable>(); | |
| } | |
| timer = new PullTimerTask(); | |
| } | |
| private boolean Excluded(HighWaterMarkVectorType changesAlreadySeen, ChangeRecord r) { | |
| if (changesAlreadySeen != null) { | |
| for (int i = 0; i < changesAlreadySeen.getHighWaterMark().size(); i++) { | |
| if (changesAlreadySeen.getHighWaterMark().get(i).getNodeID().equals(r.getChangeID().getNodeID()) | |
| && changesAlreadySeen.getHighWaterMark().get(i).getOriginatingUSN().equals(r.getChangeID().getOriginatingUSN())) { | |
| return true; | |
| } | |
| } | |
| } | |
| return false; | |
| } | |
| /** | |
| * handles when a remote node tells me that there's an update(s) | |
| * available | |
| */ | |
| private class PullTimerTask extends TimerTask { | |
| private Timer timer = null; | |
| public PullTimerTask() { | |
| super(); | |
| timer = new Timer(true); | |
| timer.scheduleAtFixedRate(this, startBuffer, interval); | |
| } | |
| @Override | |
| public void run() { | |
| logger.info("Replication change puller thread started. Queue size: " + queue.size()); | |
| //ok someone told me there's a change available | |
| while (!queue.isEmpty()) { | |
| NotifyChangeRecordsAvailable poll = queue.poll(); | |
| if (poll != null) { | |
| UDDIReplicationPortType replicationClient = getReplicationClient(poll.getNotifyingNode()); | |
| if (replicationClient == null) { | |
| logger.fatal("unable to obtain a replication client to node " + poll.getNotifyingNode()); | |
| } else { | |
| try { | |
| //get the high water marks for this node | |
| //ok now get all the changes | |
| //done TODO replace with last known record from the given node | |
| //for (int xx = 0; xx < poll.getChangesAvailable().getHighWaterMark().size(); xx++) { | |
| // logger.info("Node " + poll.getChangesAvailable().getHighWaterMark().get(xx).getNodeID() | |
| // + " USN " + poll.getChangesAvailable().getHighWaterMark().get(xx).getOriginatingUSN()); | |
| //} | |
| GetChangeRecords body = new GetChangeRecords(); | |
| body.setRequestingNode(node); | |
| body.setResponseLimitCount(BigInteger.valueOf(100)); | |
| body.setChangesAlreadySeen(getLastChangeRecordFrom(poll.getNotifyingNode())); | |
| logger.info("fetching updates from " + poll.getNotifyingNode() + " since " + body.getChangesAlreadySeen().getHighWaterMark().get(0).getOriginatingUSN()); | |
| List<ChangeRecord> records | |
| = replicationClient.getChangeRecords(body).getChangeRecord(); | |
| //ok now we need to persist the change records | |
| logger.info("Change records retrieved " + records.size()); | |
| for (int i = 0; i < records.size(); i++) { | |
| logger.info("Change records retrieved " + records.get(i).getChangeID().getNodeID() + " USN " + records.get(i).getChangeID().getOriginatingUSN()); | |
| PersistChangeRecord(records.get(i)); | |
| } | |
| } catch (Exception ex) { | |
| logger.error("Error caught fetching replication changes from " + poll.getNotifyingNode(), ex); | |
| } | |
| } | |
| } else { | |
| logger.warn("weird, popped an object from the queue but it was null."); | |
| } | |
| } | |
| } | |
| @Override | |
| public boolean cancel() { | |
| timer.cancel(); | |
| return super.cancel(); | |
| } | |
| /** | |
| * someone told me there's a change available, we retrieved it | |
| * and are processing the changes locally | |
| * | |
| * @param rec | |
| */ | |
| private void PersistChangeRecord(ChangeRecord rec) { | |
| if (rec == null) { | |
| return; | |
| } | |
| EntityManager em = PersistenceManager.getEntityManager(); | |
| EntityTransaction tx = em.getTransaction(); | |
| /** | |
| * In nodes that support pre-bundled replication | |
| * responses, the recipient of the get_changeRecords | |
| * message MAY return more change records than requested | |
| * by the caller. In this scenario, the caller MUST also | |
| * be prepared to deal with such redundant changes where | |
| * a USN is less than the USN specified in the | |
| * changesAlreadySeen highWaterMarkVector. | |
| */ | |
| // StringWriter sw = new StringWriter(); | |
| //JAXB.marshal(rec, sw); | |
| logger.info("_______________________Remote change request " + rec.getChangeID().getNodeID() + ":" + rec.getChangeID().getOriginatingUSN()); | |
| try { | |
| tx.begin(); | |
| //the change record rec must also be persisted!! | |
| org.apache.juddi.model.ChangeRecord mapChangeRecord = MappingApiToModel.mapChangeRecord(rec); | |
| mapChangeRecord.setId(null); | |
| em.persist(mapChangeRecord); | |
| tx.commit(); | |
| tx = em.getTransaction(); | |
| tx.begin(); | |
| //<editor-fold defaultstate="collapsed" desc="delete a record"> | |
| if (rec.getChangeRecordDelete() != null) { | |
| if (rec.getChangeRecordDelete() != null && rec.getChangeRecordDelete().getBindingKey() != null && !"".equalsIgnoreCase(rec.getChangeRecordDelete().getBindingKey())) { | |
| //delete a binding template | |
| pub.deleteBinding(rec.getChangeRecordDelete().getBindingKey(), em); | |
| } | |
| if (rec.getChangeRecordDelete() != null && rec.getChangeRecordDelete().getBusinessKey() != null && !"".equalsIgnoreCase(rec.getChangeRecordDelete().getBusinessKey())) { | |
| //delete a business | |
| pub.deleteBusiness(rec.getChangeRecordDelete().getBusinessKey(), em); | |
| } | |
| if (rec.getChangeRecordDelete() != null && rec.getChangeRecordDelete().getServiceKey() != null && !"".equalsIgnoreCase(rec.getChangeRecordDelete().getServiceKey())) { | |
| //delete a service | |
| pub.deleteService(rec.getChangeRecordDelete().getServiceKey(), em); | |
| } | |
| if (rec.getChangeRecordDelete() != null && rec.getChangeRecordDelete().getTModelKey() != null && !"".equalsIgnoreCase(rec.getChangeRecordDelete().getTModelKey())) { | |
| //delete a tmodel | |
| /** | |
| * The changeRecordDelete for a | |
| * tModel does not correspond to | |
| * any API described in this | |
| * specification and should only | |
| * appear in the replication | |
| * stream as the result of an | |
| * administrative function to | |
| * permanently remove a tModel. | |
| */ | |
| pub.deleteTModel(rec.getChangeRecordDelete().getTModelKey(), em); | |
| } | |
| } | |
| if (rec.getChangeRecordDeleteAssertion() != null && rec.getChangeRecordDeleteAssertion().getPublisherAssertion() != null) { | |
| //delete a pa template | |
| pub.deletePublisherAssertion(rec.getChangeRecordDeleteAssertion().getPublisherAssertion(), em); | |
| } | |
| //</editor-fold> | |
| //<editor-fold defaultstate="collapsed" desc="New Data"> | |
| if (rec.getChangeRecordNewData() != null) { | |
| if (rec.getChangeRecordNewData().getOperationalInfo().getNodeID() == null) { | |
| throw new Exception("Inbound replication data is missiong node id!"); | |
| } | |
| //The operationalInfo element MUST contain the operational information associated with the indicated new data. | |
| if (rec.getChangeRecordNewData().getOperationalInfo() == null) { | |
| logger.warn("Inbound replication data does not have the required OperationalInfo element and is NOT spec compliant. Data will be ignored"); | |
| } else { | |
| if (rec.getChangeRecordNewData().getBindingTemplate() != null) { | |
| //fetch the binding template if it exists already | |
| //if it exists, | |
| // confirm the owning node, it shouldn't be the local node id, if it is, throw | |
| // the owning node should be the same as it was before | |
| BusinessService model = em.find(org.apache.juddi.model.BusinessService.class, rec.getChangeRecordNewData().getBindingTemplate().getServiceKey()); | |
| if (model == null) { | |
| logger.error("Replication error, attempting to insert a binding where the service doesn't exist yet"); | |
| } else { | |
| ValidateNodeIdMatches(model.getNodeId(), rec.getChangeRecordNewData().getOperationalInfo()); | |
| org.apache.juddi.model.BindingTemplate bt = em.find(org.apache.juddi.model.BindingTemplate.class, rec.getChangeRecordNewData().getBindingTemplate().getBindingKey()); | |
| if (bt != null) { | |
| em.remove(bt); | |
| } | |
| bt = new BindingTemplate(); | |
| MappingApiToModel.mapBindingTemplate(rec.getChangeRecordNewData().getBindingTemplate(), bt, model); | |
| MappingApiToModel.mapOperationalInfo(bt, rec.getChangeRecordNewData().getOperationalInfo()); | |
| // MappingApiToModel.mapOperationalInfoIncludingChildren(model, rec.getChangeRecordNewData().getOperationalInfo()); | |
| em.persist(bt); | |
| } | |
| } else if (rec.getChangeRecordNewData().getBusinessEntity() != null) { | |
| BusinessEntity model = em.find(org.apache.juddi.model.BusinessEntity.class, rec.getChangeRecordNewData().getBusinessEntity().getBusinessKey()); | |
| if (model != null) { | |
| ValidateNodeIdMatches(model.getNodeId(), rec.getChangeRecordNewData().getOperationalInfo()); | |
| //TODO revisit access control rules | |
| em.remove(model); | |
| } | |
| model = new BusinessEntity(); | |
| MappingApiToModel.mapBusinessEntity(rec.getChangeRecordNewData().getBusinessEntity(), model); | |
| // MappingApiToModel.mapOperationalInfo(model, rec.getChangeRecordNewData().getOperationalInfo()); | |
| MappingApiToModel.mapOperationalInfoIncludingChildren(model, rec.getChangeRecordNewData().getOperationalInfo()); | |
| logger.warn("Name size on save is " + model.getBusinessNames().size()); | |
| em.persist(model); | |
| } | |
| if (rec.getChangeRecordNewData().getBusinessService() != null) { | |
| BusinessEntity find = em.find(org.apache.juddi.model.BusinessEntity.class, rec.getChangeRecordNewData().getBusinessService().getBusinessKey()); | |
| if (find == null) { | |
| logger.error("Replication error, attempting to insert a service where the business doesn't exist yet"); | |
| } else { | |
| org.apache.juddi.model.BusinessService model = null; | |
| model = em.find(org.apache.juddi.model.BusinessService.class, rec.getChangeRecordNewData().getBusinessService().getServiceKey()); | |
| if (model != null) { | |
| ValidateNodeIdMatches(model.getNodeId(), rec.getChangeRecordNewData().getOperationalInfo()); | |
| em.remove(model); | |
| } | |
| model = new org.apache.juddi.model.BusinessService(); | |
| MappingApiToModel.mapBusinessService(rec.getChangeRecordNewData().getBusinessService(), model, find); | |
| MappingApiToModel.mapOperationalInfo(model, rec.getChangeRecordNewData().getOperationalInfo()); | |
| MappingApiToModel.mapOperationalInfoIncludingChildren(model, rec.getChangeRecordNewData().getOperationalInfo()); | |
| em.persist(model); | |
| } | |
| } else if (rec.getChangeRecordNewData().getTModel() != null) { | |
| Tmodel model = em.find(org.apache.juddi.model.Tmodel.class, rec.getChangeRecordNewData().getTModel().getTModelKey()); | |
| if (model != null) { | |
| ValidateNodeIdMatches(model.getNodeId(), rec.getChangeRecordNewData().getOperationalInfo()); | |
| em.remove(model); | |
| } | |
| model = new Tmodel(); | |
| MappingApiToModel.mapTModel(rec.getChangeRecordNewData().getTModel(), model); | |
| MappingApiToModel.mapOperationalInfo(model, rec.getChangeRecordNewData().getOperationalInfo()); | |
| em.persist(model); | |
| } | |
| } | |
| } | |
| //</editor-fold> | |
| // changeRecordNull no action needed | |
| // changeRecordHide tmodel only | |
| //<editor-fold defaultstate="collapsed" desc="hide tmodel"> | |
| if (rec.getChangeRecordHide() != null) { | |
| /* | |
| A changeRecordHide element corresponds to the behavior of hiding a tModel described in the delete_tModel in the Publish API section of this Specification. A tModel listed in a changeRecordHide should be marked as hidden, so that it is not returned in response to a find_tModel API call. | |
| The changeRecordHide MUST contain a modified timestamp to allow multi-node registries to calculate consistent modifiedIncludingChildren timestamps as described in Section 3.8 operationalInfo Structure. | |
| */ | |
| String key = rec.getChangeRecordHide().getTModelKey(); | |
| org.apache.juddi.model.Tmodel existing = em.find(org.apache.juddi.model.Tmodel.class, key); | |
| if (existing == null) { | |
| logger.error("Unexpected delete/hide tmodel message received for non existing key " + key); | |
| } else { | |
| existing.setDeleted(true); | |
| existing.setModified(rec.getChangeRecordHide().getModified().toGregorianCalendar().getTime()); | |
| existing.setModifiedIncludingChildren(rec.getChangeRecordHide().getModified().toGregorianCalendar().getTime()); | |
| em.persist(existing); | |
| } | |
| } | |
| //</editor-fold> | |
| //<editor-fold defaultstate="collapsed" desc="changeRecordPublisherAssertion"> | |
| if (rec.getChangeRecordPublisherAssertion() != null) { | |
| //TODO implement | |
| } | |
| //</editor-fold> | |
| tx.commit(); | |
| } catch (Exception drfm) { | |
| logger.warn("Error persisting change record!", drfm); | |
| } finally { | |
| if (tx.isActive()) { | |
| tx.rollback(); | |
| } | |
| em.close(); | |
| } | |
| } | |
| private HighWaterMarkVectorType getLastChangeRecordFrom(String notifyingNode) { | |
| HighWaterMarkVectorType ret = new HighWaterMarkVectorType(); | |
| ChangeRecordIDType cid = new ChangeRecordIDType(); | |
| cid.setNodeID(notifyingNode); | |
| cid.setOriginatingUSN(0L); | |
| EntityManager em = PersistenceManager.getEntityManager(); | |
| EntityTransaction tx = em.getTransaction(); | |
| try { | |
| tx.begin(); | |
| Long id = 0L; | |
| try { | |
| cid.setOriginatingUSN((Long) em.createQuery("select e.originatingUSN from ChangeRecord e where e.nodeID = :node order by e.originatingUSN desc").setParameter("node", notifyingNode).setMaxResults(1).getSingleResult()); | |
| } catch (Exception ex) { | |
| logger.info(ex); | |
| } | |
| tx.rollback(); | |
| } catch (Exception drfm) { | |
| logger.warn("error caught fetching newest record from node " + notifyingNode, drfm); | |
| } finally { | |
| if (tx.isActive()) { | |
| tx.rollback(); | |
| } | |
| em.close(); | |
| } | |
| ret.getHighWaterMark().add(cid); | |
| return ret; | |
| } | |
| } | |
| // private void ValidateDontChangeMyRecordsAtAnotherNode(String ) | |
| private void ValidateNodeIdMatches(String modelNodeId, OperationalInfo newDataOperationalInfo) throws Exception { | |
| if (modelNodeId == null || newDataOperationalInfo == null) { | |
| throw new Exception("either the local node ID is null or the inbound replication data's node id is null"); | |
| } | |
| //only time this is allowed is custody transfer | |
| if (!modelNodeId.equals(newDataOperationalInfo.getNodeID())) { | |
| throw new Exception("node id mismatch!"); | |
| } | |
| //if i already have a record and "own it" and the remote node has a record with the same key, reject the update | |
| //1.5.8 | |
| /** | |
| * Each node has custody of a portion of the aggregate data | |
| * managed by the registry of which it is a part. Each datum is | |
| * by definition in the custody of exactly one such node. A | |
| * datum in this context can be a businessEntity, a | |
| * businessService, a bindingTemplate, a tModel, or a | |
| * publisherAssertion. Changes to a datum in the registry MUST | |
| * originate at the node which is the custodian of the datum. | |
| * The registry defines the policy for data custody and, if | |
| * allowed, the custodian node for a given datum can be changed; | |
| * such custody transfer processes are discussed in Section 5.4 | |
| * Custody and Ownership Transfer API. | |
| */ | |
| //so someone else attempted to update one of my records, reject it | |
| if (modelNodeId.equals(node)) { | |
| throw new Exception("node id mismatch! this node already has a record for key " + newDataOperationalInfo.getEntityKey() + " and I'm the authority for it."); | |
| } | |
| } | |
| private synchronized UDDIReplicationPortType getReplicationClient(String node) { | |
| if (cache.containsKey(node)) { | |
| return cache.get(node); | |
| } | |
| UDDIService svc = new UDDIService(); | |
| UDDIReplicationPortType replicationClient = svc.getUDDIReplicationPort(); | |
| EntityManager em = PersistenceManager.getEntityManager(); | |
| EntityTransaction tx = em.getTransaction(); | |
| try { | |
| StringBuilder sql = new StringBuilder(); | |
| sql.append("select c from ReplicationConfiguration c order by c.serialNumber desc"); | |
| sql.toString(); | |
| Query qry = em.createQuery(sql.toString()); | |
| qry.setMaxResults(1); | |
| org.apache.juddi.model.ReplicationConfiguration resultList = (org.apache.juddi.model.ReplicationConfiguration) qry.getSingleResult(); | |
| for (Operator o : resultList.getOperator()) { | |
| if (o.getOperatorNodeID().equalsIgnoreCase(node)) { | |
| ((BindingProvider) replicationClient).getRequestContext().put(BindingProvider.ENDPOINT_ADDRESS_PROPERTY, o.getSoapReplicationURL()); | |
| cache.put(node, replicationClient); | |
| return replicationClient; | |
| } | |
| } | |
| tx.rollback(); | |
| } catch (Exception ex) { | |
| logger.fatal("Node not found!" + node, ex); | |
| } finally { | |
| if (tx.isActive()) { | |
| tx.rollback(); | |
| } | |
| em.close(); | |
| } | |
| //em.close(); | |
| return null; | |
| } | |
| private Map<String, UDDIReplicationPortType> cache = new HashMap<String, UDDIReplicationPortType>(); | |
| /** | |
| * @since 3.3 | |
| * @param body | |
| * @return | |
| * @throws DispositionReportFaultMessage | |
| */ | |
| public String doPing(DoPing body) throws DispositionReportFaultMessage { | |
| long startTime = System.currentTimeMillis(); | |
| long procTime = System.currentTimeMillis() - startTime; | |
| serviceCounter.update(ReplicationQuery.DO_PING, QueryStatus.SUCCESS, procTime); | |
| return node; | |
| } | |
| @SOAPBinding(parameterStyle = SOAPBinding.ParameterStyle.BARE) | |
| @WebResult(name = "changeRecords", targetNamespace = "urn:uddi-org:repl_v3", partName = "body") | |
| // @WebMethod(operationName = "get_changeRecords", action = "get_changeRecords") | |
| @Override | |
| public org.uddi.repl_v3.ChangeRecords getChangeRecords( | |
| @WebParam(partName = "body", name = "get_changeRecords", targetNamespace = "urn:uddi-org:repl_v3") org.uddi.repl_v3.GetChangeRecords body | |
| ) throws DispositionReportFaultMessage, RemoteException {/* | |
| @WebResult(name = "changeRecord", targetNamespace = "urn:uddi-org:repl_v3") | |
| @RequestWrapper(localName = "get_changeRecords", targetNamespace = "urn:uddi-org:repl_v3", className = "org.uddi.repl_v3.GetChangeRecords") | |
| @ResponseWrapper(localName = "changeRecords", targetNamespace = "urn:uddi-org:repl_v3", className = "org.uddi.repl_v3.ChangeRecords") | |
| @Override | |
| public List<ChangeRecord> getChangeRecords(@WebParam(name = "requestingNode", targetNamespace = "urn:uddi-org:repl_v3") String requestingNode, | |
| @WebParam(name = "changesAlreadySeen", targetNamespace = "urn:uddi-org:repl_v3") HighWaterMarkVectorType changesAlreadySeen, | |
| @WebParam(name = "responseLimitCount", targetNamespace = "urn:uddi-org:repl_v3") BigInteger responseLimitCount, | |
| @WebParam(name = "responseLimitVector", targetNamespace = "urn:uddi-org:repl_v3") HighWaterMarkVectorType responseLimitVector) | |
| throws DispositionReportFaultMessage {*/ | |
| long startTime = System.currentTimeMillis(); | |
| String requestingNode = body.getRequestingNode(); | |
| HighWaterMarkVectorType changesAlreadySeen = body.getChangesAlreadySeen(); | |
| BigInteger responseLimitCount = body.getResponseLimitCount(); | |
| HighWaterMarkVectorType responseLimitVector = body.getResponseLimitVector(); | |
| new ValidateReplication(null).validateGetChangeRecords(requestingNode, changesAlreadySeen, responseLimitCount, responseLimitVector, FetchEdges(), ctx); | |
| //TODO should we validate that "requestingNode" is in the replication config? | |
| List<ChangeRecord> ret = new ArrayList<ChangeRecord>(); | |
| EntityManager em = PersistenceManager.getEntityManager(); | |
| EntityTransaction tx = em.getTransaction(); | |
| /** | |
| * More specifically, the recipient determines the particular | |
| * change records that are returned by comparing the originating | |
| * USNs in the caller’s high water mark vector with the | |
| * originating USNs of each of the changes the recipient has | |
| * seen from others or generated by itself. The recipient SHOULD | |
| * only return change records that have originating USNs that | |
| * are greater than those listed in the changesAlreadySeen | |
| * highWaterMarkVector and less than the limit required by | |
| * either the responseLimitCount or the responseLimitVector. | |
| * | |
| * | |
| * Part of the message is a high water mark vector that contains | |
| * for each node of the registry the originating USN of the most | |
| * recent change record that has been successfully processed by | |
| * the invocating node | |
| */ | |
| int maxrecords = 100; | |
| if (responseLimitCount != null) { | |
| maxrecords = responseLimitCount.intValue(); | |
| } | |
| try { | |
| tx.begin(); | |
| Long firstrecord = 0L; | |
| Long lastrecord = null; | |
| if (changesAlreadySeen != null) { | |
| //this is basically a lower limit (i.e. the newest record that was processed by the requestor | |
| //therefore we want the oldest record stored locally to return to the requestor for processing | |
| for (int i = 0; i < changesAlreadySeen.getHighWaterMark().size(); i++) { | |
| if (changesAlreadySeen.getHighWaterMark().get(i).getNodeID().equals(node)) { | |
| firstrecord = changesAlreadySeen.getHighWaterMark().get(i).getOriginatingUSN(); | |
| } | |
| } | |
| } | |
| if (responseLimitVector != null) { | |
| //using responseLimitVector, indicating for each node in the graph the first change originating there that he does not wish to be returned. | |
| //upper limit basically | |
| for (int i = 0; i < responseLimitVector.getHighWaterMark().size(); i++) { | |
| if (responseLimitVector.getHighWaterMark().get(i).getNodeID().equals(node)) { | |
| lastrecord = responseLimitVector.getHighWaterMark().get(i).getOriginatingUSN(); | |
| } | |
| } | |
| } | |
| logger.info("Query db for replication changes, lower index is " + (firstrecord - 1) + " last index " + lastrecord + " record limit " + maxrecords); | |
| Query createQuery = null; | |
| if (lastrecord != null) { | |
| createQuery = em.createQuery("select e from ChangeRecord e where " | |
| + "((e.id > :inbound AND e.nodeID = :node AND e.id < :lastrecord) OR " | |
| + "(e.originatingUSN > :inbound AND e.nodeID <> :node AND e.originatingUSN < :lastrecord)) " | |
| + "order by e.id ASC"); | |
| createQuery.setParameter("lastrecord", lastrecord); | |
| } else { | |
| createQuery = em.createQuery("select e from ChangeRecord e where " | |
| + "((e.id > :inbound AND e.nodeID = :node) OR " | |
| + "(e.originatingUSN > :inbound AND e.nodeID <> :node)) " | |
| + "order by e.id ASC"); | |
| } | |
| createQuery.setMaxResults(maxrecords); | |
| createQuery.setParameter("inbound", firstrecord - 1); | |
| createQuery.setParameter("node", node); | |
| List<org.apache.juddi.model.ChangeRecord> records = (List<org.apache.juddi.model.ChangeRecord>) createQuery.getResultList(); | |
| logger.info(records.size() + " CR records returned from query"); | |
| for (int i = 0; i < records.size(); i++) { | |
| ChangeRecord r = MappingModelToApi.mapChangeRecord(records.get(i)); | |
| //if (!Excluded(changesAlreadySeen, r)) { | |
| ret.add(r); | |
| //} | |
| } | |
| tx.rollback(); | |
| long procTime = System.currentTimeMillis() - startTime; | |
| serviceCounter.update(ReplicationQuery.GET_CHANGERECORDS, | |
| QueryStatus.SUCCESS, procTime); | |
| } catch (Exception ex) { | |
| logger.fatal("Error, this node is: " + node, ex); | |
| throw new FatalErrorException(new ErrorMessage("E_fatalError", ex.getMessage())); | |
| } finally { | |
| if (tx.isActive()) { | |
| tx.rollback(); | |
| } | |
| em.close(); | |
| } | |
| logger.info("Change records returned for " + requestingNode + ": " + ret.size()); | |
| //JAXB.marshal(ret, System.out); | |
| ChangeRecords x = new ChangeRecords(); | |
| x.getChangeRecord().addAll(ret); | |
| return x; | |
| } | |
| /** | |
| * This UDDI API message provides a means to obtain a list of | |
| * highWaterMark element containing the highest known USN for all nodes | |
| * in the replication graph. If there is no graph, we just return the | |
| * local bits | |
| * | |
| * @return | |
| * @throws DispositionReportFaultMessage | |
| */ | |
| @Override | |
| public List<ChangeRecordIDType> getHighWaterMarks() | |
| throws DispositionReportFaultMessage { | |
| long startTime = System.currentTimeMillis(); | |
| List<ChangeRecordIDType> ret = new ArrayList<ChangeRecordIDType>(); | |
| //fetch from database the highest known watermark | |
| ReplicationConfiguration FetchEdges = FetchEdges(); | |
| EntityManager em = PersistenceManager.getEntityManager(); | |
| EntityTransaction tx = em.getTransaction(); | |
| HashMap<String, Long> map = new HashMap<String, Long>(); | |
| try { | |
| tx.begin(); | |
| if (FetchEdges != null) { | |
| Iterator<String> it = FetchEdges.getCommunicationGraph().getNode().iterator(); | |
| while (it.hasNext()) { | |
| String nextNode = it.next(); | |
| if (!nextNode.equals(node)) { | |
| if (!map.containsKey(nextNode)) { | |
| Long id = 0L; | |
| try { | |
| id = (Long) em.createQuery("select e.originatingUSN from ChangeRecord e where e.nodeID = :node order by e.originatingUSN desc").setParameter("node", nextNode).setMaxResults(1).getSingleResult(); | |
| } catch (Exception ex) { | |
| logger.debug(ex); | |
| } | |
| if (id == null) { | |
| id = 0L; | |
| //per the spec | |
| } | |
| map.put(nextNode, id); | |
| } | |
| } | |
| } | |
| } | |
| //dont forget this node | |
| Long id = (Long) em.createQuery("select (e.id) from ChangeRecord e where e.nodeID = :node order by e.id desc") | |
| .setParameter("node", node).setMaxResults(1).getSingleResult(); | |
| if (id == null) { | |
| id = 0L; | |
| } | |
| ChangeRecordIDType x = new ChangeRecordIDType(); | |
| x.setNodeID(node); | |
| x.setOriginatingUSN(id); | |
| ret.add(x); | |
| tx.rollback(); | |
| long procTime = System.currentTimeMillis() - startTime; | |
| serviceCounter.update(ReplicationQuery.GET_HIGHWATERMARKS, QueryStatus.SUCCESS, procTime); | |
| } catch (Exception drfm) { | |
| throw new FatalErrorException(new ErrorMessage("E_fatalError", drfm.getMessage())); | |
| } finally { | |
| if (tx.isActive()) { | |
| tx.rollback(); | |
| } | |
| em.close(); | |
| } | |
| Iterator<Map.Entry<String, Long>> iterator = map.entrySet().iterator(); | |
| while (iterator.hasNext()) { | |
| Map.Entry<String, Long> next = iterator.next(); | |
| ret.add(new ChangeRecordIDType(next.getKey(), next.getValue())); | |
| } | |
| return ret; | |
| } | |
| /** | |
| * this means that another node has a change and we need to pick up the | |
| * change and apply it to our local database. | |
| * | |
| * @param body | |
| * @throws DispositionReportFaultMessage | |
| */ | |
| @Override | |
| public void notifyChangeRecordsAvailable(NotifyChangeRecordsAvailable body) | |
| throws DispositionReportFaultMessage { | |
| long startTime = System.currentTimeMillis(); | |
| long procTime = System.currentTimeMillis() - startTime; | |
| serviceCounter.update(ReplicationQuery.NOTIFY_CHANGERECORDSAVAILABLE, | |
| QueryStatus.SUCCESS, procTime); | |
| //some other node just told us there's new records available, call | |
| //getChangeRecords from the remote node asynch | |
| new ValidateReplication(null).validateNotifyChangeRecordsAvailable(body, ctx); | |
| queue.add(body); | |
| logger.info(body.getNotifyingNode() + " just told me that there are change records available, enqueuing...size is " + queue.size()); | |
| //ValidateReplication.unsupportedAPICall(); | |
| } | |
| private static Queue<NotifyChangeRecordsAvailable> queue = null; | |
| /** | |
| * transfers custody of an entity from node1/user1 to node2/user2 | |
| * | |
| * @param body | |
| * @throws DispositionReportFaultMessage | |
| */ | |
| @Override | |
| public void transferCustody(TransferCustody body) | |
| throws DispositionReportFaultMessage { | |
| long startTime = System.currentTimeMillis(); | |
| //*this node is transfering data to another node | |
| //body.getTransferOperationalInfo(). | |
| ValidateReplication.unsupportedAPICall(); | |
| EntityManager em = PersistenceManager.getEntityManager(); | |
| //EntityTransaction tx = em.getTransaction(); | |
| /** | |
| * The custodial node must verify that it has granted permission | |
| * to transfer the entities identified and that this permission | |
| * is still valid. This operation is comprised of two steps: | |
| * | |
| * 1. Verification that the transferToken was issued by it, that | |
| * it has not expired, that it represents the authority to | |
| * transfer no more and no less than those entities identified | |
| * by the businessKey and tModelKey elements and that all these | |
| * entities are still valid and not yet transferred. The | |
| * transferToken is invalidated if any of these conditions are | |
| * not met. | |
| * | |
| * 2. If the conditions above are met, the custodial node will | |
| * prevent any further changes to the entities identified by the | |
| * businessKey and tModelKey elements identified. The entity | |
| * will remain in this state until the replication stream | |
| * indicates it has been successfully processed via the | |
| * replication stream. Upon successful verification of the | |
| * custody transfer request by the custodial node, an empty | |
| * message is returned by it indicating the success of the | |
| * request and acknowledging the custody transfer. Following the | |
| * issue of the empty message, the custodial node will submit | |
| * into the replication stream a changeRecordNewData providing | |
| * in the operationalInfo, the nodeID accepting custody of the | |
| * datum and the authorizedName of the publisher accepting | |
| * ownership. The acknowledgmentRequested attribute of this | |
| * change record MUST be set to "true". | |
| * | |
| * TODO enqueue Replication message | |
| * | |
| * Finally, the custodial node invalidates the transferToken in | |
| * order to prevent additional calls of the transfer_entities | |
| * API. | |
| */ | |
| DiscardTransferToken dtt = new DiscardTransferToken(); | |
| dtt.setKeyBag(body.getKeyBag()); | |
| dtt.setTransferToken(body.getTransferToken()); | |
| new UDDICustodyTransferImpl().discardTransferToken(dtt); | |
| } | |
| } |