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Код


import javax.naming.InitialContext;
import com.caucho.hessian.server.HessianServlet;
import ua.ks.ejb.IHello;

public class HelloServic extends HessianServlet implements IHello{
    IHello ih = null; 
    public HelloServic() {
        try {
            InitialContext ctx = new InitialContext();
            ih = (IHello)ctx.lookup("HelloBean");
        } catch(Exception e) {
            e.printStackTrace();
        }
    }
    public String sayHello() {
        return "HelloService";
    }
    public String sayHelloViaEjb() {
        return "HelloService [" + ih.sayHello()+"]" ;
    }
}

Код


package ua.ks.client;
import java.net.URL;
import java.text.SimpleDateFormat;
import java.util.Properties;
import javax.naming.InitialContext;
import com.caucho.hessian.client.HessianProxyFactory;
import ua.ks.ejb.IHello;

public class WsVsEjbRemote {

    public static void main(String[] arg) throws Exception {
        testEJBRemote();
        testWebService();
        testEJBOwerWebService();
    }

    /**
     * EJB TEST 
     * @throws Exception
     */
    public static void testEJBRemote() throws Exception {
        Properties properties = new Properties();
        properties.put("java.naming.factory.initial","org.jnp.interfaces.NamingContextFactory");
        properties.put("java.naming.factory.url.pkgs","org.jboss.naming:org.jnp.interfaces");
        properties.put("java.naming.provider.url","jnp://host:1099");
        InitialContext ctx = new InitialContext(properties);
        
        long time = System.currentTimeMillis();
        IHello ih = (IHello)ctx.lookup("HelloBean");
        System.out.println("Lokup time: " + (System.currentTimeMillis() - time)+ " ms.");
        
        time = System.currentTimeMillis();
        for (int i=0; i<50; i++) {
            System.out.print(ih.sayHello()+" ");
        }
        System.out.println(" \n Execute 50 remote call time: " + (System.currentTimeMillis() - time)+ " ms.");
    }
    /**
     * WEBSERVICE TEST
     * @throws Exception
     */
    public static void testWebService() throws Exception {
        String url = "http://host/HessianWS/HelloServic";
        HessianProxyFactory factory = new HessianProxyFactory();
        
        long time = System.currentTimeMillis();
        IHello service = (IHello) factory.create(IHello.class, url);
        System.out.println("Create proxy time: " + (System.currentTimeMillis() - time)+ " ms.");

        time = System.currentTimeMillis();
        for (int i=0; i<50; i++) {
            System.out.print(service.sayHello() + " ");
        }
        System.out.println("\n Execute 50 webservice call time: " + (System.currentTimeMillis() - time)+ " ms.");
    }
    
    
    /**
     * EJB VIA WEBSERVICE TEST
     */
    public static void testEJBOwerWebService() throws Exception{
        String url = "http://host/HessianWS/HelloServic";
        HessianProxyFactory factory = new HessianProxyFactory();
        
        long time = System.currentTimeMillis();
        IHello service = (IHello) factory.create(IHello.class, url);
        System.out.println("Create proxy time: " + (System.currentTimeMillis() - time)+ " ms.");

        time = System.currentTimeMillis();
        for (int i=0; i<50; i++) {
            System.out.print(service.sayHelloViaEjb() + " ");
        }
        System.out.println("\n Execute 50 ejb call via webservice time: " + (System.currentTimeMillis() - time)+ " ms.");
    }
    
}