package com.sinata.appointment.util;
|
|
import java.time.LocalDateTime;
|
import java.time.format.DateTimeFormatter;
|
import java.util.concurrent.atomic.AtomicInteger;
|
|
public final class OrderNoGenerator {
|
|
private static final AtomicInteger SEQ = new AtomicInteger(0);
|
private static final DateTimeFormatter FMT = DateTimeFormatter.ofPattern("yyyyMMddHHmmss");
|
|
private OrderNoGenerator() {}
|
|
public static String next() {
|
return "ORD" + LocalDateTime.now().format(FMT) + String.format("%04d", SEQ.incrementAndGet() % 10000);
|
}
|
}
|
