#distributed-locking code explainers

typescript

import {
  CallHandler,
  ConflictException,
  ExecutionContext,

Idempotent POST requests in NestJS with Redis

idempotency interceptor redis

Advanced 7 steps

java

@Component
public class IdempotencyFilter extends OncePerRequestFilter {
 
    private final StringRedisTemplate redis;

Building an idempotency filter with Redis in Spring

idempotency redis distributed-locking

Advanced 10 steps

java

@Component
public class InventoryReconciliationJob {
 
    private static final Logger log = LoggerFactory.getLogger(InventoryReconciliationJob.class);

Distributed scheduled jobs with Spring locks

distributed-locking scheduling concurrency

Advanced 8 steps

python

import json
import hashlib
from datetime import timedelta

Idempotent payment endpoints in FastAPI

idempotency redis distributed-locking

Advanced 9 steps