ReconfigureReply.java

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package bftsmart.reconfiguration;

import java.io.Externalizable;
import java.io.IOException;
import java.io.ObjectInput;
import java.io.ObjectOutput;

import bftsmart.reconfiguration.views.View;


/**
 *
 * @author eduardo
 */
public class ReconfigureReply implements Externalizable {

    private View newView;
    private String[] joinSet;
    
    
    
    //The ideal thing now would be identifying the consensus with a
    // tuple (view number, consensus number in increasing order)
    //Ex: (0,0),(0,1)... update to next view... (1,0),(1,1),....
    private int lastExecConsId = -1;
    
    private int execLeader = -1;
    
    public ReconfigureReply() {
    }
    
    public ReconfigureReply(View newView, String[] joinSet, int lastExectConsensus, int leader) {
      this.newView = newView;
      this.lastExecConsId = lastExectConsensus;
      this.execLeader = leader;
      
      if(joinSet == null){
          this.joinSet = new String[0];
      }else{
          this.joinSet = joinSet;
      }
    }

    public View getView() {
        return newView;
    }    
    
    public String[] getJoinSet() {
        return joinSet;
        
    }

    public int getExecLeader() {
        return execLeader;
    }
    
    

    public int getLastExecConsId() {
        return lastExecConsId;
    }
    
    
    
    @Override
    public void writeExternal(ObjectOutput out) throws IOException {
       out.writeObject(newView);
       out.writeInt(this.lastExecConsId);
       out.writeInt(this.execLeader);
       
       out.writeInt(joinSet.length);
       
       for(int i=0; i < joinSet.length;i++){
           out.writeUTF(joinSet[i]);
       }       
    }

    @Override
    public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException {
        newView = (View) in.readObject();
        this.lastExecConsId = in.readInt();
        this.execLeader = in.readInt();
        joinSet = new String[in.readInt()];
        for(int i = 0; i < joinSet.length;i++){
            joinSet[i] = in.readUTF();
        }
    }
    
    
}