Examples of net.jini.discovery.LookupDiscoveryManager

net.jini.discovery.LookupDiscoveryManager
This class is a helper utility class that organizes and manages all discovery-related activities on behalf of a client or service. Rather than providing its own facility for coordinating and maintaining all of the necessary state information related to group names, {@link LookupLocator} objects, and {@link DiscoveryListener}objects, clients and services can employ this class to provide those facilities on their behalf.
@com.sun.jini.impl The following implementation-specific items are discussed below:
- Configuring LookupDiscoveryManager
- Logging
Configuring LookupDiscoveryManager
Currently, there are no configuration entries directly supported by this implementation of LookupDiscoveryManager. All configuration entries affecting the operation of this utility are retrieved by either the {@link LookupDiscovery} utility, or the {@link LookupLocatorDiscovery}utility. Please refer to the documentation provided with those utilities when configuring the behavior of LookupDiscoveryManager.
Logging
Currently, there are no loggers directly supported by this implementation of LookupDiscoveryManager. All logging information produced when using this utility is controlled by the loggers supported by the following utilities:
- {@link LookupDiscovery}
- {@link LookupLocatorDiscovery}
For information about how to obtain logging information when using this implementation of LookupDiscoveryManager, please refer to the documentation provided with the discovery utilities listed above.
@author Sun Microsystems, Inc. @see net.jini.discovery.DiscoveryManagement @see net.jini.discovery.DiscoveryGroupManagement @see net.jini.discovery.DiscoveryLocatorManagement

                                          "and ignore this setting. Check the<br>" +
                                          "log file for details.</html>",
                                          "Locators Incorrect",
                                          JOptionPane.WARNING_MESSAGE);
        }
        jiniClient = new JiniClient(new LookupDiscoveryManager(groups, locators, null, config));
        ServiceTemplate monitors = new ServiceTemplate(null, new Class[]{ProvisionMonitor.class}, null);
        ServiceTemplate cybernodes = new ServiceTemplate(null, new Class[]{Cybernode.class}, null);
        ServiceTemplate eventCollectors = new ServiceTemplate(null,
                                                              new Class[]{EventCollector.class},
                                                              new Entry[]{new OperationalStringEntry(org.rioproject.config.Constants.CORE_OPSTRING)});

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    }


    @Before
    public void setup() throws Exception {
        listener = new DL();
        discoveryManagement = new LookupDiscoveryManager(new String[]{"foo"}, null, listener);
        deploymentVerifier = new DeploymentVerifier(EmptyConfiguration.INSTANCE, discoveryManagement);
    }

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        Assert.assertFalse(hasGroup(registrar, "gack"));
        ServiceElement service = createSE("gack");
        Assert.assertTrue(waitForDiscovery(listener));
        Assert.assertTrue(listener.discovered.get());
        DL newDiscoListener = new DL();
        new LookupDiscoveryManager(new String[]{"gack"}, null, newDiscoListener);
        deploymentVerifier.ensureGroups(service);
        Assert.assertTrue(waitForDiscovery(newDiscoListener));
        Assert.assertTrue(hasGroup(registrar, "gack"));
    }

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        Assert.assertFalse(hasGroup(registrar, "gack"));
        Assert.assertFalse(hasGroup(registrar, "blutarsky"));
        ServiceElement service = createSE("gack", "blutarsky");
        Assert.assertTrue(listener.discovered.get());
        DL newDiscoListener = new DL();
        new LookupDiscoveryManager(new String[]{"gack"}, null, newDiscoListener);
        deploymentVerifier.ensureGroups(service);
        Assert.assertTrue(waitForDiscovery(newDiscoListener));
        Assert.assertTrue(hasGroup(registrar, "gack"));
        Assert.assertTrue(hasGroup(registrar, "blutarsky"));
    }

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    private void startLookup(String... groups) throws Exception {
        DynamicConfiguration configuration = new DynamicConfiguration();
        configuration.setEntry("com.sun.jini.reggie", "initialMemberGroups", String[].class, groups);
        registrar = new Reggie(configuration, null);
        listener = new DL();
        discoveryManagement = new LookupDiscoveryManager(new String[]{"foo"}, null, listener);
        deploymentVerifier = new DeploymentVerifier(EmptyConfiguration.INSTANCE, discoveryManagement);
    }

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                                                   String[] groups, 
                                                   LookupLocator[] locators, 
                                                   DiscoveryListener listener,
                                                   Configuration config) throws IOException {
        
        LookupDiscoveryManager ldm  ;
        synchronized(this) {
            DiscoveryControl discoControl = getDiscoveryControl(sharedName);
            if(discoControl==null) {
                discoControl = new DiscoveryControl(sharedName);
                pool.add(discoControl);
                if(logger.isDebugEnabled()) 
                    logger.debug("Create new DiscoveryControl for [{}]", sharedName);
            } else {
                if(logger.isDebugEnabled()) 
                    logger.debug("DiscoveryControl obtained for [{}]", sharedName);
            }
            ldm = discoControl.getLookupDiscoveryManager(groups, locators);        
            if(ldm==null) {
                ldm = discoControl.createLookupDiscoveryManager(groups, locators, listener, config);
            } else {
                ((SharedDiscoveryManager)ldm).incrementRefCounter();
                if(listener!=null)
                    ldm.addDiscoveryListener(listener);
            }
        }
        return(ldm);
    }

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    }


    public static void main(String[] args) throws Exception {
        Class[] classes = new Class[]{bean.Hello.class};
        ServiceTemplate tmpl = new ServiceTemplate(null, classes, null);
        LookupDiscoveryManager ldm =
                new LookupDiscoveryManager(LookupDiscoveryManager.ALL_GROUPS,
                                           null,
                                           null);
        System.out.println("Discovering Hello service ...");
        ServiceDiscoveryManager sdm =
                new ServiceDiscoveryManager(ldm, new LeaseRenewalManager());

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