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package derms;
//import derms.Replica3pkg.ResponderClient;
import java.io.*;
import java.util.*;
import derms.Replica4pkg.RemoteServer;
public class Replica4 implements Replica {
private ReplicaManager replicaManager;
private RemoteServer remoteServer;
private boolean alive = true;
public Replica4(ReplicaManager replicaManager){
this.replicaManager = replicaManager;
}
@Override
public boolean isAlive() {
return alive;
}
@Override
public void startProcess() {
this.remoteServer = new RemoteServer();
System.out.println("[Replica 4] Process started.");
}
@Override
public void processRequest(Request request) {
ResponderClient responderClient;
CoordinatorClient coordinatorClient;
String responseMessage;
switch (request.getFunction()) {
case "addResource":
responderClient = new ResponderClient(request.getClientID());
responseMessage = responderClient.addResource(request.getResourceID(), request.getResourceType(), request.getDuration());
break;
case "removeResource":
responderClient = new ResponderClient(request.getClientID());
responseMessage = responderClient.removeResource(request.getResourceID(), request.getDuration());
break;
case "listResourceAvailability":
responderClient = new ResponderClient(request.getClientID());
responseMessage = responderClient.listResourceAvailability(request.getResourceType());
break;
case "requestResource":
coordinatorClient = new CoordinatorClient(request.getClientID());
responseMessage = coordinatorClient.requestResource(request.getResourceID(), request.getDuration());
break;
case "findResource":
coordinatorClient = new CoordinatorClient(request.getClientID());
responseMessage = coordinatorClient.findResource(request.getResourceType());
break;
case "returnResource":
coordinatorClient = new CoordinatorClient(request.getClientID());
responseMessage = coordinatorClient.returnResource(request.getResourceID());
break;
case "swapResource":
coordinatorClient = new CoordinatorClient(request.getClientID());
responseMessage = coordinatorClient.swapResource(
request.getClientID(),
request.getOldResourceID(),
request.getOldResourceType(),
request.getResourceID(),
request.getResourceType()
);
break;
default:
responseMessage = "Unrecognized function: " + request.getFunction();
log("Unrecognized function in request: " + request.getFunction());
break;
}
Response response = new Response(request.getSequenceNumber(), responseMessage);
log("Replica " + 4 + " processed request: " + request + ", response: " + response);
replicaManager.sendResponseToFE(response);
}
@Override
public void restart() {
shutDown();
startProcess();
}
public void shutDown(){
this.remoteServer.stopServers();
}
@Override
public int getId() {
return 4;
}
public synchronized void log(String message) {
String logMessage = new Date() + " - " + message;
System.out.println(logMessage);
try (FileWriter fw = new FileWriter("Replica4_log.txt", true);
BufferedWriter bw = new BufferedWriter(fw);
PrintWriter out = new PrintWriter(bw)) {
out.println(logMessage);
} catch (IOException e) {
e.printStackTrace();
}
}
}
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