package com.kylin.jgroups.blocks;
import java.util.List;
import org.apache.log4j.Logger;
import org.jgroups.Channel;
import org.jgroups.JChannel;
import org.jgroups.MembershipListener;
import org.jgroups.MessageListener;
import org.jgroups.blocks.MethodCall;
import org.jgroups.blocks.RequestOptions;
import org.jgroups.blocks.ResponseMode;
import org.jgroups.blocks.RpcDispatcher;
import org.jgroups.util.RspList;
import org.jgroups.util.Util;
/**
* Interface defining when a group request is done. This allows for termination of a group request based on logic implemented by the caller
*
* isAcceptable Determines whether a response from a given sender should be added to the response list of the request
*
* whether more responses are needed
*
*/
public class RpcDispatcherContentTestWithRspFilter {
private static final Logger logger = Logger.getLogger(RpcDispatcherContentTestWithRspFilter.class);
private RpcDispatcher disp;
private Channel channel;
private MessageListener messageListener;
private MembershipListener membershipListener;
private RpcMethods rpcMethods ;
private RspList<Content> rsp_list;
private String props;
private void start(String name) throws Exception {
channel = new JChannel(props);
if(null != name) {
channel.setName(name);
}
messageListener = new MyMessageListener();
membershipListener = new MyMembershipListener();
rpcMethods = new RpcMethods(channel);
disp = new RpcDispatcher(channel, messageListener, membershipListener, rpcMethods);
channel.connect("RpcDispatcherContentTestGroup");
RequestOptions requestOptions = new RequestOptions(ResponseMode.GET_ALL, 0, false, new MyRspFilter());
for(int i = 0 ; i < 10 ; i ++) {
Util.sleep(1000);
String viewId = null;
if(null != channel.getView()) {
viewId = channel.getView().getViewId().toString();
}
Content content = new Content(i, channel.getName(), viewId);
MethodCall call = new MethodCall("updateContent", new Object[]{content}, new Class[]{Content.class});
logger.info("Call all group members updatecontent method: " + content);
rsp_list = disp.callRemoteMethods(null, call, requestOptions);
showRspList(rsp_list);
}
}
private void showRspList(RspList<Content> rsp_list) {
logger.info(channel.getName() + " Responses:");
List<Content> list = rsp_list.getResults();
for(Object obj : list) {
System.out.println(" " + obj);
}
System.out.println();
}
public static void main(String[] args) throws Exception {
String name = null;
for(int i=0; i < args.length; i++) {
if ("-n".equals(args[i]) ) {
name = args[++i];
continue ;
}
}
new RpcDispatcherContentTestWithRspFilter().start(name);
}
}