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

     */
    private void updateGroupsInGlobalSet(Map groupsMap) {
        Set eSet = groupsMap.entrySet();
        for(Iterator itr = eSet.iterator(); itr.hasNext(); ) {
            Map.Entry pair = (Map.Entry)itr.next();
            ServiceRegistrar reg = (ServiceRegistrar)pair.getKey();
            if(allDiscoveredRegs.containsKey(reg)) {
                LookupLocator loc
                  = ((LocatorGroupsStruct)allDiscoveredRegs.get(reg)).locator;
                String[] newGroups = (String[])pair.getValue();
                LocatorGroupsStruct locGroups

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        testLocator("hostname", -300, "jini://hostname:-300/", false);


        // Ensure that the locator actually works.
        DiscoveryAdmin admin = null;


  ServiceRegistrar reg = createLookup();
  admin = getAdmin(reg);
  String[] actualGroups = new String[] {
      "disc_test" };
  admin.setMemberGroups(actualGroups);
  LookupLocator locator =
      QAConfig.getConstrainedLocator(reg.getLocator());
  ServiceRegistrar reg1 = locator.getRegistrar();
  
  if (reg1.equals(reg) == false) {
      throw new TestException("registrars not the same");
  }
    }

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        long T0 = System.currentTimeMillis();
        long deltaT = 0;
        long maxT   = nSecsJoin * 1000; //work in milliseconds
        while(deltaT < maxT) {
            for(int i=0;i<lusList.size();i++) {
                ServiceRegistrar reg = (ServiceRegistrar)lusList.get(i);
                if(regList.contains(reg)) continue;
                try {
                    Object testService = reg.lookup(template);
                    if(testService instanceof TestService) {
                        regList.add(reg);
                    }//endif
                } catch(RemoteException e) { /* try again*/ }
            }//end loop

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        /* Retrieve and store the service's ID as stored in each lookup */
        ArrayList lusList = getLookupListSnapshot
                                              ("AbstractBaseTest.verifyJoin");
        ArrayList srvcIDs = new ArrayList(lusList.size());
        for(int i=0;i<lusList.size();i++) {
            ServiceRegistrar reg = (ServiceRegistrar)lusList.get(i);
      /* Verify 1 service registered with lookup service i */
      ServiceMatches matches = reg.lookup(template,
            Integer.MAX_VALUE);
      if(matches.totalMatches == 0) {
    throw new TestException("lookup service "+i
                                        +" -- no matching service found");
      } else if(matches.totalMatches != 1) {

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            long maxT   = nSecsWait * 1000; //work in milliseconds
            while(deltaT <= maxT) {
                int nRegs = regList.size();
                for(int i=0;i<nRegs;i++) {
                    /* Pop the stack of lookups */
                    ServiceRegistrar reg = (ServiceRegistrar)regList.remove(0);
        /* Verify 1 service registered with lookup service i */
        ServiceMatches matches = reg.lookup(template,
              Integer.MAX_VALUE);
        if(matches.totalMatches == 0) {
      throw new TestException("lookup service "+i
               +" -- no matching service found");
        } else if(matches.totalMatches != 1) {
      throw new TestException("lookup service "+i
            +" -- totalMatches ("
            +matches.totalMatches
            +") != 1");
        }//endif
        /* Verify that the given attributes were propagated */
        Entry[] lookupAttrs = matches.items[0].attributeSets;
        logger.log(Level.FINE, "lookup service "+i
             +" -- comparing attributes");
        if(!AttributesUtil.compareAttributeSets(attrs,
                  lookupAttrs,
                  Level.OFF))
                        {
                            logger.log(Level.FINE, 
               "                 -- NO MATCH");
                            regList.add(reg);// push it back on the stack
                        } else {
                            logger.log(Level.FINE, 
               "                 -- attributes MATCH");
                        }//endif
                 }//end loop
                if(regList.size() == 0) break;
                DiscoveryServiceUtil.delayMS(1000);
                deltaT = System.currentTimeMillis() - T0;
            }//end loop
            /* If propagation failed, display expected & actual attributes */
            if(regList.size() > 0) {
                String retStr = "attributes not propagated successfully "
                                   +"on "+regList.size()+" lookup service(s)";
                logger.log(Level.FINE, retStr);
                AttributesUtil.displayAttributeSet(attrs,
                                                   "expectedAttrs",
                                                   Level.FINE);
                for(int i=0;i<regList.size();i++) {
                    ServiceRegistrar reg = (ServiceRegistrar)regList.get(i);
        ServiceMatches matches = reg.lookup(template,
              Integer.MAX_VALUE);
        if(matches.totalMatches != 1) {
      logger.log(Level.FINE, 
           "lookup service "+i+" -- totalMatches "
           +"invalid ("+matches.totalMatches+") ... "

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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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    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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      }


      // read LUS proxy
      MarshalledInstance mi = 
    (MarshalledInstance) new ObjectInputStream(in).readObject();
      ServiceRegistrar reg = (ServiceRegistrar) mi.get(
    defaultLoader,
    verifyCodebaseIntegrity,
    verifierLoader,
    context);

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