import com.google.common.util.concurrent.ListenableFuture;
import java.util.concurrent.CancellationException;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Future;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.TimeoutException;
import junit.framework.TestCase;
import org.jspecify.annotations.Nullable;

import java.util.List;
import java.util.concurrent.ConcurrentMap;
import java.util.concurrent.Semaphore;
import java.util.concurrent.atomic.AtomicReferenceArray;
import java.util.concurrent.locks.Condition;
import java.util.concurrent.locks.Lock;
import java.util.concurrent.locks.ReadWriteLock;
import java.util.concurrent.locks.ReentrantLock;
import java.util.concurrent.locks.ReentrantReadWriteLock;

<img src="/img/async/concurrent-burgers/concurrent-burgers-02.png" class="illustration">

Der Kassierer sagt etwas zum Koch in der Küche, damit dieser weiß, dass er Ihre Burger zubereiten muss (obwohl er gerade die für die vorherigen Kunden zubereitet).

<img src="/img/async/concurrent-burgers/concurrent-burgers-03.png" class="illustration">

Sie bezahlen. 💸

Der Kassierer gibt Ihnen die Nummer Ihrer Bestellung.

import java.util.Collections;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.TreeSet;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.locks.Lock;
import java.util.concurrent.locks.ReentrantLock;
import java.util.concurrent.locks.ReentrantReadWriteLock;

import org.apache.maven.api.SessionData;
import org.apache.maven.api.services.MavenException;

<img src="/img/async/concurrent-burgers/concurrent-burgers-02.png" class="illustration">

Кассир говорит что-то повару на кухне, чтобы они знали, что нужно приготовить ваши бургеры (хотя сейчас они готовят бургеры для предыдущих клиентов).

<img src="/img/async/concurrent-burgers/concurrent-burgers-03.png" class="illustration">

Вы платите. 💸

Кассир выдаёт вам номер вашей очереди.

/**
 * <p>
 * A {@link Builder} encapsulates a strategy for building a set of Maven projects. The default strategy in Maven builds
 * the projects serially, but a {@link Builder} can employ any type of concurrency model to build the projects.
 * </p>
 * <strong>Note:</strong> This interface is part of work in progress and can be changed or removed without notice.
 */
public interface Builder {
    //

     * Stored as a long value representing milliseconds since epoch.
     * Used for audit trail and concurrency control.
     */
    @ValidateTypeFailure
    public Long updatedTime;

    /**
     * The version number of the access token for optimistic locking.
     * This field is required to prevent concurrent modification conflicts
     * by ensuring the token hasn't been modified by another process.
     */
    @Required

     * Stored as a long value representing milliseconds since epoch.
     * Used for audit trail and concurrency control.
     */
    @ValidateTypeFailure
    public Long updatedTime;

    /**
     * The version number of the bad word entry for optimistic locking.
     * This field is required to prevent concurrent modification conflicts
     * by ensuring the entry hasn't been modified by another process.
     */
    @Required

     * Stored as a long value representing milliseconds since epoch.
     * Used for audit trail and concurrency control.
     */
    @ValidateTypeFailure
    public Long updatedTime;

    /**
     * The version number of the boost document configuration for optimistic locking.
     * This field is required to prevent concurrent modification conflicts
     * by ensuring the configuration hasn't been modified by another process.
     */

     * Stored as a long value representing milliseconds since epoch.
     * Used for audit trail and concurrency control.
     */
    @ValidateTypeFailure
    public Long updatedTime;

    /**
     * The version number of the file authentication configuration for optimistic locking.
     * This field is required to prevent concurrent modification conflicts
     * by ensuring the configuration hasn't been modified by another process.
     */