import java.io.Serializable;

public class Management implements Serializable{
    private int clients;
    private int messages;

    public Management(){
        this.clients=0;
        this.messages=0;

    }

    synchronized public int getMessagesCount(){

        return messages;

    }

    synchronized public int getClientsCount(){
        return clients;
    }

    synchronized public void increaseMessagesCount(){
        this.messages++;
        notifyAll();
    }

    synchronized public void increaseClientsCount(){

        this.clients++;
        System.out.println(clients);
        notifyAll();
    }

    synchronized public void decreaseClientsCount(){

        this.clients--;
        System.out.println(clients);
        notifyAll();
    }
}