jvmAndroidCommon.com.harmony.kotlin.ext.Duration.kt Maven / Gradle / Ivy

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package com.harmony.kotlin.ext

import java.util.Date

class Duration(internal val unit: Int, internal val value: Int) {

  val ago = calculate(from = Date(), value = -value)

  val since = calculate(from = Date(), value = value)

  private fun calculate(from: Date, value: Int): Date {
    calendar.time = from
    calendar.add(unit, value)
    return calendar.time
  }

  override fun equals(other: Any?): Boolean {
    if (other == null || other !is Duration) {
      return false
    }
    return unit == other.unit && value == other.value
  }

  override fun hashCode(): Int {
    var result = unit
    result = 31 * result + value
    result = 31 * result + ago.hashCode()
    result = 31 * result + since.hashCode()
    return result
  }
}