99 lines
3.5 KiB
Java
99 lines
3.5 KiB
Java
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import java.rmi.RemoteException;
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import java.net.InetAddress;
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import java.net.MalformedURLException;
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import java.rmi.NotBoundException;
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import java.util.HashMap;
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import java.util.Vector;
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import java.util.concurrent.ConcurrentHashMap;
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import java.util.concurrent.locks.ReentrantLock;
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import javax.naming.NamingException;
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import javax.naming.InitialContext;
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import javax.naming.Context;
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import javax.naming.NameNotFoundException;
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import javax.naming.NamingException;
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import javax.rmi.PortableRemoteObject;
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import org.omg.CORBA.Any;
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import org.omg.CORBA.ORB;
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public class HelloClient implements Runnable {
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static final int MAX_RETRY = 10;
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static final int ONE_SECOND = 1000;
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private static boolean responseReceived;
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public static void main(String args[]) throws Exception {
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executeRmiClientCall();
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}
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@Override
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public void run() {
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try {
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executeRmiClientCall();
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} catch (Exception e) {
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e.printStackTrace();
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throw new RuntimeException(e);
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}
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}
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public static boolean isResponseReceived () {
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return responseReceived;
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}
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public static void executeRmiClientCall() throws Exception {
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Context ic;
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Object objref;
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HelloInterface helloSvc;
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String response;
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int retryCount = 0;
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Test test = new Test();
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System.out.println("HelloClient.main: enter ...");
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while (retryCount < MAX_RETRY) {
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try {
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ic = new InitialContext();
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System.out.println("HelloClient.main: HelloService lookup ...");
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// STEP 1: Get the Object reference from the Name Service
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// using JNDI call.
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objref = ic.lookup("HelloService");
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System.out.println("HelloClient: Obtained a ref. to Hello server.");
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// STEP 2: Narrow the object reference to the concrete type and
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// invoke the method.
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helloSvc = (HelloInterface) PortableRemoteObject.narrow(objref,
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HelloInterface.class);
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System.out.println("HelloClient: Invoking on remote server with ConcurrentHashMap parameter");
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ConcurrentHashMap <String, String> testConcurrentHashMap = new ConcurrentHashMap<String, String>();
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response = helloSvc.sayHelloWithHashMap(testConcurrentHashMap);
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System.out.println("HelloClient: Server says: " + response);
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if (!response.contains("Hello with hashMapSize ==")) {
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System.out.println("HelloClient: expected response not received");
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throw new RuntimeException("Expected Response Hello with hashMapSize == 0 not received");
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}
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responseReceived = true;
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break;
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} catch (NameNotFoundException nnfEx) {
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System.err.println("NameNotFoundException Caught .... try again");
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retryCount++;
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try {
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Thread.sleep(ONE_SECOND);
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} catch (InterruptedException e) {
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e.printStackTrace();
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}
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continue;
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} catch (Exception e) {
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System.err.println("Exception " + e + "Caught");
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e.printStackTrace();
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throw new RuntimeException(e);
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}
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}
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System.err.println("HelloClient terminating ");
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try {
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Thread.sleep(5000);
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} catch (InterruptedException e) {
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e.printStackTrace();
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}
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}
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}
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