package com.cmobile.unifiedtms.entity.misc;

import java.io.Serializable;
import java.util.Date;
import java.util.concurrent.CountDownLatch;

public class TerminalUpdateCacheObj implements Serializable  {

    private String sn;
    private CountDownLatch countDownLatch;
    private String status; // started, ongoing, finished
    private String lastStepName;
    private Date createdTime;
    private Date lastStepUpdateTime;

    public TerminalUpdateCacheObj(String sn) {
        this.sn = sn;
        this.countDownLatch = new CountDownLatch(5);
        this.status = "Started";
        this.createdTime = new Date();
    }

    public String getSn() {
        return sn;
    }

    public CountDownLatch getCountDownLatch() {
        return countDownLatch;
    }

    public String getStatus() {
        return status;
    }

    public void continueStep(String stepName) {
        if(stepName != null && !stepName.equals(this.lastStepName)) {
            this.lastStepName = stepName;
            this.lastStepUpdateTime = new Date();
            this.countDownLatch.countDown();
            if(this.countDownLatch.getCount() == 0) {
                this.considerDone();
            }
        }
    }

    public void considerDone() {
        this.status = "Finished";
    }

    public String getLastStepName() {
        return lastStepName;
    }

    public Date getCreatedTime() {
        return createdTime;
    }

    public Date getLastStepUpdateTime() {
        return lastStepUpdateTime;
    }
}