Examples of net.jini.core.lookup.ServiceRegistrar

net.jini.core.lookup.ServiceRegistrar
Defines the interface to the lookup service. The interface is not a remote interface; each implementation of the lookup service exports proxy objects that implement the ServiceRegistrar interface local to the client, using an implementation-specific protocol to communicate with the actual remote server. All of the proxy methods obey normal RMI remote interface semantics except where explicitly noted. Two proxy objects are equal if they are proxies for the same lookup service. Every method invocation (on both ServiceRegistrar and ServiceRegistration) is atomic with respect to other invocations. @author Sun Microsystems, Inc. @see ServiceRegistration @since 1.0

    if (evnt.getServiceID().equals(oevnt.getServiceID()))
        continue outer;
      }
      ServiceItem item = evnt.getServiceItem();
      tmpl.serviceID = evnt.getServiceID();
      ServiceRegistrar proxy = (ServiceRegistrar)evnt.getSource();
      proxy = (ServiceRegistrar) 
        QAConfig.getConfig().prepare("test.reggiePreparer",
                  proxy);
      ServiceMatches matches;
      matches = proxy.lookup(tmpl, 1);
      if (item == null) {
    if (matches.items.length != 0)
        throw new TestException(
            "verifyEventItems: event item is null, lookup returns non-null");
      } else {

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            HashMap discardMap = new HashMap(groupsMap.size());
            /* loop thru the (registrar,groups) pairs, find regs to discard */
            Set eSet = groupsMap.entrySet();
            for(Iterator itr = eSet.iterator(); itr.hasNext(); ) {
                Map.Entry pair = (Map.Entry)itr.next();
                ServiceRegistrar reg = (ServiceRegistrar)pair.getKey();
                /* Include the current reg in the discard map only if that
                 * reg is in the regInfo's discovered set.
                 */
                if( (regInfo.discoveredRegsMap).containsKey(reg) ) {
                    /* The groups corresponding to the discarded registrar that

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                HashMap locatorMap = new HashMap(groupsMap.size());
                /* Retrieve the locators of each registrar in the event */
                for(Iterator itr = (groupsMap.keySet()).iterator();
                                                            itr.hasNext(); )
                {
                    ServiceRegistrar reg = (ServiceRegistrar)itr.next();
                    locatorMap.put(reg,
                    ((LocatorGroupsStruct)allDiscoveredRegs.get(reg)).locator);
                }//end loop


                for( Iterator itr=registrationByID.values().iterator();

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            HashMap discardMap = new HashMap(groupsMap.size());
            /* loop thru the (registrar,groups) pairs, find regs to discard */
            Set eSet = groupsMap.entrySet();
            for(Iterator itr = eSet.iterator(); itr.hasNext(); ) {
                Map.Entry pair = (Map.Entry)itr.next();
                ServiceRegistrar reg = (ServiceRegistrar)pair.getKey();
                String[] regGroups = (String[])pair.getValue();
                LookupLocator regLoc = (LookupLocator)locatorMap.get(reg);
                /* Include the current reg in the discard map only if that
                 * reg is in the regInfo's discovered set, the regInfo
                 * is not interested in discovering the reg through locator

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                 * Thus, the 'next' element to unmarshal is actually at
                 * the same index as the last element that was unmarshalled.
                 */
                MarshalledObject marshalledObj
                                 = (MarshalledObject)(marshalledRegs.get(i));
                ServiceRegistrar reg = (ServiceRegistrar)(marshalledObj.get());
                /* Success: record the un-marshalled element
                 *          delete the corresponding un-marshalled element
                 */
                unmarshalledRegs.add( reg );
                marshalledRegs.remove(i);

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    new DataOutputStream(sock.getOutputStream());
      dstr.writeInt(protoVersion);
      dstr.flush();
      ObjectInputStream istr =
    new ObjectInputStream(sock.getInputStream());
      ServiceRegistrar registrar =
    (ServiceRegistrar)((MarshalledObject)istr.readObject()).get();
      for (int grpCount = istr.readInt(); --grpCount >= 0; ) {
    istr.readUTF(); // ensure proper format, then discard
      }
      return registrar;

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  throws Exception 
    {
        logger.log(Level.FINE, "starting lookup service "+indx);
        /* retrieve the member groups with which to configure the lookup */
        String[] memberGroups = (String[])memberGroupsList.get(indx);
        ServiceRegistrar lookupProxy = null;
        if(implClassname.equals("com.sun.jini.test.services.lookupsimulator.LookupSimulatorImpl"))
        {
            /* Use either a random or an explicit locator port */
            DiscoveryProtocolSimulator generator = 
    new DiscoveryProtocolSimulator(config, memberGroups, manager, port);
            genMap.put( generator, memberGroups );
            lookupProxy = generator.getLookupProxy();
        } else {//start a non-simulated lookup service implementation
      logger.log(Level.FINER, "Starting lookup for host " + serviceHost);
            lookupProxy = manager.startLookupService(serviceHost); // already prepared 
            genMap.put( lookupProxy, memberGroups );
        }//endif
        lookupList.add( lookupProxy );
        LookupLocator lookupLocator = QAConfig.getConstrainedLocator(lookupProxy.getLocator());
        locatorsStarted.add(lookupLocator);
        LocatorsUtil.displayLocator(lookupLocator,
                                    "  locator ",Level.FINE);
        String displayGroups = GroupsUtil.toCommaSeparatedStr(memberGroups);
        if(displayGroups.equals("")) displayGroups = new String("NO_GROUPS");

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                                 String[] replaceGroups,
                                 boolean alternate,
                                 int discardType)
    {
        try {
            ServiceRegistrar lookupProxy = null;
            if( curGen instanceof DiscoveryProtocolSimulator ) {
                DiscoveryProtocolSimulator generator 
                                         = (DiscoveryProtocolSimulator)curGen;
                lookupProxy = generator.getLookupProxy();
            } else {
                lookupProxy = (ServiceRegistrar)curGen;
            }//endif
            String[] curGroups = lookupProxy.getGroups();
            String[] newGroups =  new String[] {"Group_"
                                                +lookupProxy.getServiceID()};
            if(replaceGroups != null) {
                newGroups = replaceGroups;
            } else {
                if((curGroups != null) && (curGroups.length > 0)) {
                    if(alternate) {

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        Map newMap = new HashMap();
  Iterator iter = map.keySet().iterator();
        for(int i=0;iter.hasNext();i++) {
            Object key = iter.next();
            if( !(key instanceof DiscoveryProtocolSimulator) ) return map;
            ServiceRegistrar reg = 
                           ((DiscoveryProtocolSimulator)key).getLookupProxy();
            String[] groups = (String[])map.get(key);
            newMap.put(reg,groups);
        }//end loop
        return newMap;

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     *  discovered.
     */
    protected ServiceRegistrar[] getRegsToDiscover(ArrayList useList) {
        ArrayList regsList = new ArrayList();
        for(int i=0;i<useList.size();i++) {
            ServiceRegistrar reg = 
                   ( ((DiscoveryStruct)(useList.get(i))).regGroups ).reg;
            if(reg == null)  continue;
            regsList.add(reg);
        }
        return (ServiceRegistrar[])(regsList).toArray

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