mb.pie.api.stamp.output.Stamp.kt Maven / Gradle / Ivy

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package mb.pie.api.stamp.output

import mb.pie.api.*
import mb.pie.api.stamp.OutputStamp
import mb.pie.api.stamp.OutputStamper

data class ValueOutputStamp(private val value: V, override val stamper: OutputStamper) : OutputStamp {
  override fun equals(other: Any?): Boolean {
    if(this === other) return true
    if(javaClass != other?.javaClass) return false

    other as ValueOutputStamp<*>

    if(value is OutTransientEquatable<*, *> && other.value is OutTransientEquatable<*, *>) {
      if(value.e != other.value.e) {
        return false
      }
    } else if(value != other.value) {
      return false
    }
    if(stamper != other.stamper) return false

    return true
  }

  override fun hashCode(): Int {
    var result = 0
    if(value is OutTransientEquatable<*, *>) {
      result = 31 * result + (value.e?.hashCode() ?: 0)
    } else {
      result = 31 * result + (value?.hashCode() ?: 0)
    }
    result = 31 * result + stamper.hashCode()
    return result
  }

  override fun toString(): String {
    return "$stamper(${value.toString().toShortString(100)})"
  }
}