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CORBA例子(转)――――――――我也不知道是什麽东东:-)
时间:2022-07-02 17:35:39 编辑:袖梨 来源:一聚教程网
Below is a simple example of a CORBA program
download the source file
1. produce a idl file like this
hello.idl
module HelloApp {
interface Hello {
string sayHello();
};
};
2. produce stub and skeleton files through idltojava.exe
idltojava hello.idl
idltojava is not include in the jdk. But you can download it from idldojava.
3. write a server program like this
// HelloServer.java
import HelloApp.*;
import org.omg.CosNaming.*;
import org.omg.CosNaming.NamingContextPackage.*;
import org.omg.CORBA.*;
import java.io.*;
class HelloServant extends _HelloImplBase
{
public String sayHello()
{
return " Hello world !! ";
}
}
public class HelloServer {
public static void main(String args[])
{
try{
// create and initialize the ORB
ORB orb = ORB.init(args, null);
// create servant and register it with the ORB
HelloServant helloRef = new HelloServant();
orb.connect(helloRef);
// get the root naming context
org.omg.CORBA.Object objRef =
orb.resolve_initial_references("NameService");
NamingContext ncRef = NamingContextHelper.narrow(objRef);
download the source file
1. produce a idl file like this
hello.idl
module HelloApp {
interface Hello {
string sayHello();
};
};
2. produce stub and skeleton files through idltojava.exe
idltojava hello.idl
idltojava is not include in the jdk. But you can download it from idldojava.
3. write a server program like this
// HelloServer.java
import HelloApp.*;
import org.omg.CosNaming.*;
import org.omg.CosNaming.NamingContextPackage.*;
import org.omg.CORBA.*;
import java.io.*;
class HelloServant extends _HelloImplBase
{
public String sayHello()
{
return " Hello world !! ";
}
}
public class HelloServer {
public static void main(String args[])
{
try{
// create and initialize the ORB
ORB orb = ORB.init(args, null);
// create servant and register it with the ORB
HelloServant helloRef = new HelloServant();
orb.connect(helloRef);
// get the root naming context
org.omg.CORBA.Object objRef =
orb.resolve_initial_references("NameService");
NamingContext ncRef = NamingContextHelper.narrow(objRef);
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