package top.tangyh.lamp.filing.utils

object DistributedIdUtil {
    fun generateId(platformId: Long, localId: Long): Long {
        require(platformId in 0..0xFFFF) { "platformId must be 0-65535" }
        val safeLocalId = localId and 0xFFFFFFFFFFFF
        return (platformId shl 48) or safeLocalId
    }

    fun parsePlatform(id: Long): Long = id ushr 48
    fun parseLocal(id: Long): Long = id and 0xFFFFFFFFFFFF
}