Examples of IService

client.IService
org.apache.webbeans.test.component.service.IService
org.jamesii.core.services.IService
The Interface IService. A service in JAMES II is by default just something with a name. Concrete services should extend this interface. @author Jan Himmelspach
org.lestr.astenn.remoteimplementation.api.IService
@author pibonnin

org.locationtech.udig.catalog.IService

Represents a geo spatial service handle. Follows the same design as IResource.

Represents a spatial service, which may be lazily loaded. The existance of this object does not ensure that the advertized data is guaranteed to exist, nor does this interface guarantee that the service exists based on this object's existance. We should also note the resource management is left to the user, and that resolve() is not guaranteed to return the same instance object from two subsequent calls, but may. This is merely a handle to some information about a service, and a method of aquiring an instance of the service ...

NOTE: This may be the result of communications with a metadata service, and as such this service described may not be running right now. Remember to check the service status.

Implementing an IService

Implement the abstract methods and you are good to go.

Extending an IService

You may want to implement your own IService in order to provide a handle for a new kind of API.

New method:

  public API getAPI( ProgressMonitor monitor){ if (monitor == null) monitor = new NullProgressMonitor(); monitor.beingTask("Connect to API",2); try {             String server = getConnectionParams().get("server"); monitor.worked(1); return new API( s ); } finally { monitor.done(); } }

(note the use of NullProgressMonitor)

Optional: Customize resolve method to advertise your new API "dynamically"

  public <T> boolean canResolve( Class<T> adaptee ) { return adaptee != null && (adaptee.isAssignableFrom(API.class) || super.canResolve(adaptee)); } public <T> T resolve( Class<T> adaptee, IProgressMonitor monitor ) throws IOException { if (monitor == null) monitor = new NullProgressMonitor();  if (adaptee == null) throw new NullPointerException("No adaptor specified" ); if (adaptee.isAssignableFrom(API.class)) { return adaptee.cast(getAPI(monitor)); } return super.resolve(adaptee, monitor); }

(note the call to super)

Optional: cache your API as the "connection"

  API api = null; Throwable msg = null; public synchronized API getAPI( ProgressMonitor monitor){ if( api != null ) return api; if (monitor == null) monitor = new NullProgressMonitor(); monitor.beingTask("Connect to API",2); try {             String server = getConnectionParams().get("server"); monitor.worked(1); api = new API( s ); monitor.worked(1); return api; } finally { monitor.done(); } } public Status getStatus() { return msg != null? Status.BROKEN : api == null? Status.NOTCONNECTED : Status.CONNECTED; } public Throwable getMessage(){ return msg; } public synchronized void dispose( ProgressMonitor monitor ){ if( api != null ){ api.dispose(); api = null; } if( msg != null ) msg = null; }

(Note the use of getMessage and getStatus)

@author David Zwiers, Refractions Research @since 0.6 @version 1.2 @see IServiceInfo @see IServiceFactory

Examples of client.IService

  public void testGetConfigOK() throws Exception{
    ZooKeeper zk = this.initZK();
    
    CountDownLatch connectedSignal = new CountDownLatch(1);
    TestHandler th = new TestHandler(connectedSignal);
    IService iservice = new IService(TestConf.host,null,null,null,"./src/test/tmp");    
    iservice.setEventHandle(Constants.CONNECT_EVENT, th);
    iservice.init();
    connectedSignal.await();
    
    Config config = iservice.createConfig("/iserviceTest/node1");
    DefaultData data = (DefaultData) config.get("node3", 123);
    Assert.assertEquals("node3", data.getData());
    
    this.clearUpZK(zk);
    this.clearUpFiles(TestConf.tmpPath);

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Examples of client.IService

  
  public void testSetConfigOK() throws Exception {
    ZooKeeper zk = this.initZK();
    
    CountDownLatch connectedSignal = new CountDownLatch(1);
    IService iservice = new IService(TestConf.host,null,null,null,"./src/test/tmp");    
    iservice.setEventHandle(Constants.CONNECT_EVENT, new TestHandler(connectedSignal));
    iservice.init();
    connectedSignal.await();
    
    Config config = iservice.createConfig("/iserviceTest/node1");
    DefaultData data = (DefaultData) config.get("node3", 123);
    Assert.assertEquals("node3", data.getData());
    
    
    CountDownLatch connectedSignal2 = new CountDownLatch(1);

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Examples of client.IService

  // change local file before update
  public void testSetConfigOK2() throws Exception{
    ZooKeeper zk = this.initZK();
    
    CountDownLatch connectedSignal = new CountDownLatch(1);
    IService iservice = new IService(TestConf.host,null,null,null,"./src/test/tmp");    
    iservice.setEventHandle(Constants.CONNECT_EVENT, new TestHandler(connectedSignal));
    iservice.init();
    connectedSignal.await();
    
    Config config = iservice.createConfig("/iserviceTest/node1");
    DefaultData data = (DefaultData) config.get("node3", 123);
    Assert.assertEquals("node3", data.getData());
    
    FS.dump(TestConf.tmpPath + "/" + Extends.getPid() + "/iserviceTest/node1/node4.data", "version:1\r\nnew-node4");

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Examples of client.IService

    FS.dump(TestConf.tmpPath + "/234/root/node1.data", "version:1\r\ni'm newer info1");
    FS.dump(TestConf.tmpPath + "/234/root/node2.data", "version:0\r\ni'm older info2");
    
    CountDownLatch connectedSignal = new CountDownLatch(1);
    TestHandler th = new TestHandler(connectedSignal);
    IService iservice = new IService("127.0.0.1:6000",null,null,null,"./src/test/tmp");    
    iservice.setEventHandle(Constants.DISCONNECT_EVENT, th);
    iservice.init();
    connectedSignal.await();
    
    Config config = iservice.createConfig("/root/node1");
    DefaultData data = (DefaultData) config.get("info", 111);
    Assert.assertEquals("i'm in newer node", data.getData());
    
    this.clearUpFiles(TestConf.tmpPath);
  }

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Examples of client.IService

  
  public static void main(String args[]) throws Exception{
    Main2 m = new Main2();
    m.initZk();
    
    IService client = new IService(DemoConf.host, DemoConf.root, "", "", DemoConf.tmpPath);
    client.setEventHandle(Constants.CONNECT_EVENT, new ConnectHandler());
    client.setEventHandle(Constants.DISCONNECT_EVENT, new DisconnectHandler());
    client.setEventHandle(Constants.EXPIRED_EVENT, new ExpiredHandler());
    client.init();
    
    String key = "app2/key1";
    Config config = client.createConfig("/IserviceDemoTest/group1");
    config.setEventHandle(Constants.DATA_CHANGE_EVENT, new DataChangeHandler(config, key));
    
    Timer timer = new Timer();
    TimerTask task = new Main2().new GetDataTask(config);

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Examples of client.IService

  
  public static void main(String args[]) throws Exception{
    Main m = new Main();
    m.initZk();
    
    IService client = new IService(DemoConf.host, DemoConf.root, "", "", DemoConf.tmpPath);
    client.setEventHandle(Constants.CONNECT_EVENT, new ConnectHandler());
    client.setEventHandle(Constants.DISCONNECT_EVENT, new DisconnectHandler());
    client.setEventHandle(Constants.EXPIRED_EVENT, new ExpiredHandler());
    client.init();
    
    String key = "key1";
    Config config = client.createConfig("/IserviceDemoTest/group1/app2");
    config.setEventHandle(Constants.DATA_CHANGE_EVENT, new DataChangeHandler(config, key));
    
    Timer timer = new Timer();
    TimerTask task = new Main().new GetDataTask(config);

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Examples of org.apache.webbeans.test.component.service.IService


        Assert.assertTrue(object instanceof Producer1ConsumerComponent);


        Producer1ConsumerComponent single = (Producer1ConsumerComponent) object;


        IService service = single.getService();


        Assert.assertNotNull(service);


        contextFactory.destroyApplicationContext(null);
        contextFactory.destroyRequestContext(null);

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Examples of org.apache.webbeans.test.component.service.IService


        Assert.assertEquals(2, comps.size());


        Object producerResult = getInstanceByName("service");
        
        IService producverService = (IService)producerResult;
        
        Assert.assertNotNull(producverService);
        
        Object disposalComp = getManager().getInstance(comps.get(1));
        Object object = getManager().getInstance(comps.get(0));


        Assert.assertTrue(object instanceof ServiceImpl1);
        Assert.assertTrue(disposalComp instanceof DisposalMethodComponent);


        DisposalMethodComponent mc = (DisposalMethodComponent) disposalComp;


        IService s = mc.service();


        Assert.assertNotNull(s);


        contextFactory.destroyApplicationContext(null);
        contextFactory.destroyRequestContext(null);

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Examples of org.jamesii.core.services.IService

   * availability.
   * 
   * @return the next service number
   */
  private synchronized IService getNextService() {
    IService result = null;
    try {
      result = management.get(getNextServiceIndex());
    } catch (ArrayIndexOutOfBoundsException e) {
      SimSystem.report(e);
    }

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Examples of org.lestr.astenn.remoteimplementation.api.IService


    public static void main(String... args) throws MalformedURLException {


        ServiceLocator.getSingleton().setLocation(new URL("http://localhost:8080/implementation-1.0-SNAPSHOT/org.lestr.astenn.remoteimplementation.api.IService/org.lestr.astenn.remoteimplementation.implementation.Service"));


        IService service = ServiceLocator.getSingleton().getService();


        System.out.println(service.sayHello());


    }// END Method main

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