package com.paymentlink.model.entity;

import jakarta.persistence.*;
import lombok.AllArgsConstructor;
import lombok.Builder;
import lombok.Data;
import lombok.NoArgsConstructor;

import java.time.LocalDateTime;

@Entity
@Table(name = "currency_refresh_locks")
@Data
@NoArgsConstructor
@AllArgsConstructor
@Builder
public class CurrencyRefreshLock {

    @Id
    @Column(length = 50)
    @Builder.Default
    private String lockName = "EXCHANGE_RATE_REFRESH";

    @Column(nullable = false)
    private LocalDateTime lockedAt;

    @Column(nullable = false)
    private LocalDateTime expiresAt;

    @Column(length = 100)
    private String lockedByInstance; // hostname:port for debugging

    @Version
    private Long version; // Optimistic locking
}