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RMI 筆記

1，服務端代碼

//遠程接口

package rmi;

import java.rmi.Remote;

import java.rmi.RemoteException;

public interface RObject extends Remote {

public String greeting() throws RemoteException ;

}

//遠程類

package rmi;

import java.rmi.RemoteException;

import javax.naming.InitialContext;

import javax.rmi.PortableRemoteObject;

public class RObjectImpl extends PortableRemoteObject implements RObject {

private static final long serialVersionUID = 8396699518685988898L;

public static final String NAME="rmi://localhost/RObjectServer";

//public static final String NAME="iiop://localhost/RObjectServer";

public RObjectImpl() throws RemoteException {

super();

}

public String greeting() throws RemoteException {

String returnValue="Server side say: Hi";

System.out.println(returnValue);

return returnValue;

}

public static void main(String[] args) throws Exception{

RObject robj=new RObjectImpl();

new InitialContext().bind(NAME, robj);

}

2，創建Stub and Skeleton

JRMP: rmic RObjectImpl

IIOP: rmi -iiop RObjectImpl

3，客戶端代碼

package rmi;

import javax.naming.InitialContext;

import javax.rmi.PortableRemoteObject;

public class Client {

public static void main(String[] args) throws Exception{

Object obj=new InitialContext().lookup(RObjectImpl.NAME);

RObject robj=(RObject)PortableRemoteObject.narrow(obj, RObject.class);

String result=robj.greeting();

System.out.println("Get result from remote: '" + result+"'");

}

4，啟動Server和client

JRMP (Java Remote Method Protocol): rmiregistry

IIOP (Internet Inter-ORB Protocal): tnameserv

posted on 2008-07-04 00:10 MingIsMe 閱讀(96) 評論(0) 編輯收藏所屬分類: 06 J2EE

Samuel Learning

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RMI 筆記