package jalview.ws2;

import java.io.IOException;
import java.util.List;

import javax.print.attribute.standard.JobState;

import jalview.util.MathUtils;

public interface WebServiceWorkerI
{
  public class WSJob
  {
    public final long uid = MathUtils.getUID();
    
    protected WSJobState state = WSJobState.UNKNOWN;

    protected String jobID = "";

    protected int jobNum = 0;

    protected int allowedExceptions = 3;

    public long getUID() {
      return uid;
    }
    
    public WSJobState getState()
    {
      return state;
    }

    public void setState(WSJobState state)
    {
      this.state = state;
    }

    public String getJobID()
    {
      return jobID;
    }

    public void setJobID(String jobID) {
      this.jobID = jobID;
    }
    
    public int getJobNum()
    {
      return jobNum;
    }

    public int getAllowedExceptions()
    {
      return allowedExceptions;
    }
    
    public boolean deductAllowedExceptions() {
      return allowedExceptions-- > 0;
    }
    
    public void resetAllowedExceptions() {
      allowedExceptions = 3;
    }
  }

  public long getUID();

  public List<WSJob> getJobs();

  public WSJobID startJob(WSJob job) throws IOException;

  public boolean pollJob(WSJob job) throws IOException;
}