Server.java example

Explorer
jacorb-master
package org.jacorb.demo.corbaloc;

import java.util.Properties;
import java.io.*;
import org.jacorb.orb.util.*;
import org.omg.CORBA.ORB;
import org.omg.CORBA.Policy;
import org.omg.PortableServer.IdAssignmentPolicyValue;
import org.omg.PortableServer.LifespanPolicyValue;
import org.omg.PortableServer.POA;
import org.omg.PortableServer.POAHelper;
import org.omg.PortableServer.Servant;

import org.omg.PortableServer.ImplicitActivationPolicyValue;

public class Server
{
    public static void main(String[] args) throws Exception
    {
        Properties props = new Properties();
        props.setProperty("jacorb.implname", "HelloServer");
        props.setProperty("OAPort", "6969");

        String helloID = "HelloServerID";

        //init ORB
        ORB orb = ORB.init(args, props);

        //init POA
        POA rootPOA = POAHelper.narrow(orb.resolve_initial_references("RootPOA"));

        //init new POA
        Policy[] policies = new Policy[2];
        policies[0] = rootPOA.create_lifespan_policy(LifespanPolicyValue.PERSISTENT);
        policies[1] = rootPOA.create_id_assignment_policy(IdAssignmentPolicyValue.USER_ID);

        POA helloPOAPersistent = rootPOA.create_POA
            ("HelloPOAP", rootPOA.the_POAManager(), policies);


        // Setup a second POA with a transient policy therebye producing a different corbaloc.
        policies = new Policy[3];
        policies[0] = rootPOA.create_lifespan_policy(LifespanPolicyValue.TRANSIENT);
        policies[1] = rootPOA.create_id_assignment_policy (IdAssignmentPolicyValue.SYSTEM_ID);
        policies[2] = rootPOA.create_implicit_activation_policy (ImplicitActivationPolicyValue.IMPLICIT_ACTIVATION);

        POA helloPOATransient = rootPOA.create_POA
            ("HelloPOAT", rootPOA.the_POAManager(), policies);

        helloPOAPersistent.the_POAManager().activate();
        helloPOATransient.the_POAManager().activate();

        // create a GoodDay object
        GoodDayImpl goodDayImpl = new GoodDayImpl("SomewhereP");
        helloPOAPersistent.activate_object_with_id(helloID.getBytes(), goodDayImpl);

        // Manually create a persistent based corbaloc.
        String corbalocStr = "corbaloc::localhost:"
        + props.getProperty("OAPort") + "/"
        + props.getProperty("jacorb.implname") + "/"
        + helloPOAPersistent.the_name() + "/" + helloID;

        System.out.println("Server 1 can be reached with:");
        System.out.println("   " + corbalocStr + "\n");

        org.omg.CORBA.Object objP = orb.string_to_object(corbalocStr);
        System.out.println("Server 1 ior: " + orb.object_to_string (objP));

        PrintWriter ps = new PrintWriter(new FileOutputStream(new File( args[0] ) + ".persistent"));
        ps.println( corbalocStr );
        ps.close();

        // Setup second server
        org.omg.CORBA.Object objT = helloPOATransient.servant_to_reference(new GoodDayImpl("SomewhereT"));

        // Use the PrintIOR utility function to extract a transient corbaloc string.
        corbalocStr = PrintIOR.printCorbalocIOR (orb, orb.object_to_string(objT));
        System.out.println("Server 2 can be reached with:");
        System.out.println("   " + corbalocStr + "\n");

        ps = new PrintWriter(new FileOutputStream(new File( args[0] ) + ".transient"));
        ps.println( corbalocStr );
        ps.close();

        // Add an object key mapping to second server
        System.out.println("Adding object mapping for server 1 ior:" + orb.object_to_string (objP));
        ((org.jacorb.orb.ORB)orb).addObjectKey ("VeryShortKey", orb.object_to_string (objP));


        // wait for requests
        while ( args.length == 2 || ! goodDayImpl.getShutdown ())
        {
            Thread.sleep(1000);
        }
        orb.shutdown(true);
    }
}