Instrucoes.java

import java.io.BufferedReader;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.*;
import java.util.*;

public class Instrucoes {

	BlocoDeControleDeProcessos bcp;
	int quantum;
  int cont;
  private int tempo, instrucoesExecutadas;

	public Instrucoes(BlocoDeControleDeProcessos bcp, int quantum){
		this.bcp = bcp;
		this.quantum = quantum;
	}
 


  //Compara as instrucoes e executa os comandos
	public void processaInstrucoes() throws Exception{

		System.out.println("\n-------->>\n\t EXEC. PROGRAMA: " + bcp.getNomePrograma());

		instrucoesExecutadas = 0;


		for(int i = 0; i < quantum; i++){

			//Obtem a instrucao a ser executada
			String instrucao = bcp.getInstrucoesDoPrograma().get(bcp.getContador());

			System.out.println("\t\tINSTRUCAO EXECUTADA: " + instrucao);
			bcp.incrementaContador();	
      instrucoesExecutadas++;
		

			if (instrucao.startsWith("X"))
				this.instrucaoX(Integer.parseInt(instrucao.substring(instrucao.indexOf("=")+1, instrucao.length())));	
			

			if (instrucao.startsWith("Y"))
				this.instrucaoY(Integer.parseInt(instrucao.substring(instrucao.indexOf("=")+1, instrucao.length())));


			if (instrucao.equals("E/S")){
				
				if(cont == 0){
					this.tempo = i+1;
					this.cont++;
      	}
      	
				chamadaAoSO();

      }
     
      

			if (instrucao.equals("COM")) instrucaoCOM();


			if(instrucao.equals("SAIDA")){

				if(cont == 0){
					this.tempo = i+1;
					this.cont++;
					System.out.println("\nTERMINOU ->>>> " + "NOME: " + bcp.getNomePrograma() + " TEMPO: " + (bcp.getTempoEspera()+this.tempo)+" \n");
				}
      	
				throw new Exception("SAIDA");
				
      }
      
      
      

		}

    if(cont == 0) this.tempo = quantum;
    
    this.cont = 0;		
	}

 

  //1° Instrucao de atribuicao no registrador
  public void instrucaoX(int x){ 
    bcp.setRegistradorX(x);
  }

  public void instrucaoY(int y){
    bcp.setRegistradorY(y);
  }


  //2° Instrucao Chamada ao SO
  public void chamadaAoSO() throws Exception{
		bcp.setEstadoProcesso("Bloqueado");
		throw new Exception("E/S");
  }


  //3° Tarefa executada pela maquina
  //Pode executar um comando comum e simples
  public void instrucaoCOM(){}

	public boolean terminou(){
		return bcp.getContador() >= bcp.getInstrucoesDoPrograma().size(); 
	}


	public int getTempo(){
		return this.tempo;
	}

	public int getInstrucoesExecutadas(){
		return instrucoesExecutadas;
	}


}