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##
# Application configuration
##
samples.aws.sqs.consumer-queue: customersCreatedQueue

##
# Spring Cloud AWS
##
cloud:
    aws:

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import org.slf4j.LoggerFactory
import org.springframework.jdbc.core.JdbcTemplate
import org.springframework.stereotype.Component
import org.springframework.transaction.annotation.Propagation
import org.springframework.transaction.annotation.Transactional
import java.time.Duration

interface LockManager {
    fun <T> tryWithLock(key: Long, timeout: Duration, function: () -> T): T
}

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@Service
public class NaiveJavaSynchronizedATMService {

    @Autowired
    private AccountRepository repository;

    @Transactional
    public synchronized void withdraw(Long accountId, double amount) {

        Account account = repository.findById(accountId).orElseThrow(() -> {

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git reset --hard HEAD ; git clean -fd

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--
-- Trying to buy a new ticket for an event
--
BEGIN;
    UPDATE events e
       SET updated_at = now()
     WHERE e.id = :event_id
       AND e.max_tickets > (SELECT count(*)           -- (does this logic work with READ_COMMITTED??)
                              FROM tickets t
                             WHERE t.event_id = e.id); 

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package br.com.zup.edu.livraria;

import org.springframework.boot.test.autoconfigure.web.servlet.MockMvcBuilderCustomizer;
import org.springframework.context.annotation.Configuration;
import org.springframework.security.core.authority.SimpleGrantedAuthority;
import org.springframework.test.web.servlet.request.MockHttpServletRequestBuilder;
import org.springframework.test.web.servlet.request.MockMvcRequestBuilders;
import org.springframework.test.web.servlet.setup.ConfigurableMockMvcBuilder;

import static org.springframework.security.test.web.servlet.request.SecurityMockMvcRequestPostProcessors.jwt;

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package br.com.zup.edu.minhasfigurinhas;

import org.springframework.context.annotation.Configuration;
import org.springframework.security.config.annotation.web.builders.HttpSecurity;
import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;

import static org.springframework.http.HttpMethod.GET;
import static org.springframework.http.HttpMethod.POST;
import static org.springframework.security.config.http.SessionCreationPolicy.STATELESS;

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@Entity
public class Album {
  
    @Id
    @GeneratedValue(strategy = GenerationType.IDENTITY)
    private Long id;
  
  
    @Size(min = 1)
    @OneToMany(cascade = { 

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##
# 1. run theses commands on PowerShell as admin
# 2. restart windows
##

wsl --shutdown
netsh winsock reset
netsh int ip reset all
netsh winhttp reset proxy
ipconfig /flushdns

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title
Elements of Messaging and Eventing Platforms

This document provides a brief overview of the essential elements of a messaging and eventing platform and how they relate to each other.

Message and Event Broker Categories