Test1.java

package ru.yandex.qe.metrics.join.impl;

import java.util.Date;


import jdk.nashorn.internal.runtime.regexp.joni.Config;

/**
 * User: serg-v
 * Date: 11/15/16
 * Time: 11:48 PM
 */
public class FunctionProperty {

  private static FunctionProperty instance;

  private final Date dateFrom;

  private final Date dateTo;


  public FunctionProperty(final Date dateFrom, final Date dateTo) {
    this.dateFrom = dateFrom;
    this.dateTo = dateTo;
  }

  public static FunctionProperty getInstance() {
    return instance;
  }

  public static void setDate(Date dateFrom, Date dateTo) {
    FunctionProperty.instance = new FunctionProperty(dateFrom, dateTo);
  }

  public static void main(String[] args) {
    Date dateFrom = new Date(args[0]);
    Date dateTo = new Date(args[1]);
    setDate(dateFrom, dateTo);
    doSmth();

  }

  public static void doSmth() {
    doSmth2();
  }

  private static void doSmth2() {
    doSmth3();
  }

  private static void doSmth3() {
    System.out.println(getInstance());
  }
}