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How to use resolve method of org.testcontainers.utility.LazyFuture class

Best Testcontainers-java code snippet using org.testcontainers.utility.LazyFuture.resolve

Source:DemoApplicationTests.java

...24//class DemoApplicationTests {25//26//	private static final Future<String> IMAGE_FUTURE = new LazyFuture<>() {27//		@Override28//		protected String resolve() {29//			// Find project's root dir30//			Path cc = Paths.get(".").toAbsolutePath().getParent().getParent();31//			File cwd = cc.toFile();32////			for (33////				cwd = new File(".");34////				!new File(cwd, "settings.gradle").isFile();35////				cwd = cwd.getParentFile()36////			);37//38//			// Make it unique per folder (for caching)39//			var imageName = String.format(40//				"local/app-%s:%s",41//				DigestUtils.md5DigestAsHex(cwd.getAbsolutePath().getBytes()),42//				System.currentTimeMillis()...

Source:LazyFutureTest.java

...14    public void testLazyness() throws Exception {15        AtomicInteger counter = new AtomicInteger();16        Future<Integer> lazyFuture = new LazyFuture<Integer>() {17            @Override18            protected Integer resolve() {19                return counter.incrementAndGet();20            }21        };22        assertEquals("No resolve() invocations before get()", 0, counter.get());23        assertEquals("get() call returns proper result", 1, lazyFuture.get());24        assertEquals("resolve() was called only once after single get() call", 1, counter.get());25        counter.incrementAndGet();26        assertEquals("result of resolve() must be cached", 1, lazyFuture.get());27    }28    @Test(timeout = 5_000)29    public void timeoutWorks() throws Exception {30        Future<Void> lazyFuture = new LazyFuture<Void>() {31            @Override32            @SneakyThrows(InterruptedException.class)33            protected Void resolve() {34                TimeUnit.MINUTES.sleep(1);35                return null;36            }37        };38        assertThrows("Should timeout", TimeoutException.class, () -> lazyFuture.get(10, TimeUnit.MILLISECONDS));39        pass("timeout works");40    }41    @Test(timeout = 5_000)42    public void testThreadSafety() throws Exception {43        final int numOfThreads = 3;44        CountDownLatch latch = new CountDownLatch(numOfThreads);45        AtomicInteger counter = new AtomicInteger();46        Future<Integer> lazyFuture = new LazyFuture<Integer>() {47            @Override48            @SneakyThrows(InterruptedException.class)49            protected Integer resolve() {50                latch.await();51                return counter.incrementAndGet();52            }53        };54        Future<List<Integer>> task = new ForkJoinPool(numOfThreads).submit(() -> {55            return IntStream.rangeClosed(1, numOfThreads).parallel().mapToObj(i -> Futures.getUnchecked(lazyFuture)).collect(toList());56        });57        while (latch.getCount() > 0) {58            latch.countDown();59        }60        assertEquals("All threads receives the same result", Collections.nCopies(numOfThreads, 1), task.get());61    }62}...

Source:Containers.java

...47        .withLogConsumer(new Slf4jLogConsumer(LoggerFactory.getLogger("ð³ " + serviceIdentifier)))48        .withNetwork(network)49        .withNetworkAliases(serviceIdentifier);50  }51  private LazyFuture<String> forcePullImageFuture(String resolvedDockerImage) {52    return new LazyFuture<String>() {53      @Override54      public String resolve() {55        if (StringUtils.countMatches(resolvedDockerImage, "/") > 1) {56          DockerClientFactory.instance()57              .client()58              .pullImageCmd(resolvedDockerImage)59              .exec(new PullImageResultCallback())60              .awaitSuccess();61        }62        return resolvedDockerImage;63      }64    };65  }66}...

resolve

Using AI Code Generation

1import org.testcontainers.utility.LazyFuture;2import java.util.concurrent.ExecutionException;3import java.util.concurrent.Future;4import java.util.concurrent.TimeUnit;5import java.util.concurrent.TimeoutException;6public class Test {7    public static void main(String[] args) throws ExecutionException, InterruptedException, TimeoutException {8        Future<String> future = new LazyFuture<String>() {9            protected String resolve() throws Exception {10                return "hello";11            }12        };13        System.out.println(future.get());14        System.out.println(future.get(1, TimeUnit.SECONDS));15    }16}

resolve

Using AI Code Generation

1package org.testcontainers.utility;2import java.util.concurrent.CompletableFuture;3import java.util.concurrent.ExecutionException;4public class LazyFutureTest {5    public static void main(String[] args) {6        LazyFuture<String> lazyFuture = new LazyFuture<>(() -> {7            return CompletableFuture.supplyAsync(() -> {8                return "Hello World";9            });10        });11        try {12            System.out.println(lazyFuture.get());13        } catch (ExecutionException | InterruptedException e) {14            e.printStackTrace();15        }16    }17}

resolve

Using AI Code Generation

1package org.testcontainers.utility;2import java.util.function.Supplier;3public class LazyFuture<T> implements Supplier<T> {4    private volatile Supplier<T> supplier;5    private volatile T value;6    public LazyFuture(Supplier<T> supplier) {7        this.supplier = supplier;8    }9    public T get() {10        if (value == null) {11            synchronized (this) {12                if (value == null) {13                    value = supplier.get();14                    supplier = null;15                }16            }17        }18        return value;19    }20}21package org.testcontainers.utility;22import java.util.function.Supplier;23public class LazyFuture<T> implements Supplier<T> {24    private volatile Supplier<T> supplier;25    private volatile T value;26    public LazyFuture(Supplier<T> supplier) {27        this.supplier = supplier;28    }29    public T get() {30        if (value == null) {31            synchronized (this) {32                if (value == null) {33                    value = supplier.get();34                    supplier = null;35                }36            }37        }38        return value;39    }40}41package org.testcontainers.utility;42import java.util.function.Supplier;43public class LazyFuture<T> implements Supplier<T> {44    private volatile Supplier<T> supplier;45    private volatile T value;46    public LazyFuture(Supplier<T> supplier) {47        this.supplier = supplier;48    }49    public T get() {50        if (value == null) {51            synchronized (this) {52                if (value == null) {53                    value = supplier.get();54                    supplier = null;55                }56            }57        }58        return value;59    }60}61package org.testcontainers.utility;62import java.util.function.Supplier;63public class LazyFuture<T> implements Supplier<T> {64    private volatile Supplier<T> supplier;65    private volatile T value;66    public LazyFuture(Supplier<T> supplier) {67        this.supplier = supplier;68    }69    public T get() {70        if (value == null) {71            synchronized (this) {72                if (value ==

resolve

Using AI Code Generation

1import org.testcontainers.utility.LazyFuture;2import java.util.concurrent.ExecutionException;3import java.util.concurrent.FutureTask;4import java.util.concurrent.TimeUnit;5import java.util.concurrent.TimeoutException;6import java.util.concurrent.atomic.AtomicBoolean;7import java.util.concurrent.atomic.AtomicReference;8import java.util.function.Supplier;9public class Test {10    public static void main(String[] args) {11        LazyFuture<String> lazyFuture = new LazyFuture<>(new Supplier<String>() {12            public String get() {13                System.out.println("Inside get method of supplier");14                return "Hello";15            }16        });17        FutureTask<String> futureTask = new FutureTask<>(lazyFuture);18        new Thread(futureTask).start();19        try {20            System.out.println("Future task result: " + futureTask.get(1, TimeUnit.SECONDS));21        } catch (InterruptedException | ExecutionException | TimeoutException e) {22            e.printStackTrace();23        }24    }25}

resolve

Using AI Code Generation

1package org.testcontainers.utility;2import java.util.concurrent.CompletableFuture;3public class LazyFuture<T> extends CompletableFuture<T> {4    public LazyFuture(Supplier<T> supplier) {5        super();6        this.supplier = supplier;7    }8    public LazyFuture() {9        super();10    }11    private Supplier<T> supplier;12    public void setSupplier(Supplier<T> supplier) {13        this.supplier = supplier;14    }15    public T get() throws InterruptedException, ExecutionException {16        if (supplier != null) {17            return supplier.get();18        } else {19            return super.get();20        }21    }22    public T get(long timeout, TimeUnit unit) throws InterruptedException, ExecutionException, TimeoutException {23        if (supplier != null) {24            return supplier.get();25        } else {26            return super.get(timeout, unit);27        }28    }29    public interface Supplier<T> {30        T get();31    }32}33package org.testcontainers.utility;34import java.util.concurrent.CompletableFuture;35import java.util.concurrent.ExecutionException;36import java.util.concurrent.TimeUnit;37import java.util.concurrent.TimeoutException;38public class LazyFuture<T> extends CompletableFuture<T> {39    public LazyFuture(Supplier<T> supplier) {40        super();41        this.supplier = supplier;42    }43    public LazyFuture() {44        super();45    }46    private Supplier<T> supplier;47    public void setSupplier(Supplier<T> supplier) {48        this.supplier = supplier;49    }50    public T get() throws InterruptedException, ExecutionException {51        if (supplier != null) {52            return supplier.get();53        } else {54            return super.get();55        }56    }57    public T get(long timeout, TimeUnit unit) throws InterruptedException, ExecutionException, TimeoutException {58        if (supplier != null) {59            return supplier.get();60        } else {61            return super.get(timeout, unit);62        }63    }64    public interface Supplier<T> {65        T get();66    }67}68package org.testcontainers.utility;69import java.util.concurrent.CompletableFuture;70import java.util.concurrent.ExecutionException;71import java.util.concurrent.TimeUnit;72import java.util.concurrent.TimeoutException;

resolve

Using AI Code Generation

1public class Test {2    public static void main(String[] args) {3        LazyFuture<String> lazyFuture = new LazyFuture<>(() -> "Hello World");4        System.out.println(lazyFuture.resolve());5    }6}

resolve

Using AI Code Generation

1import org.testcontainers.utility.LazyFuture;2import java.util.concurrent.ExecutionException;3import java.util.concurrent.FutureTask;4import java.util.concurrent.TimeUnit;5import java.util.concurrent.TimeoutException;6import java.util.concurrent.Callable;7public class Test {8    public static void main(String[] args) throws InterruptedException, ExecutionException, TimeoutException {9        LazyFuture<String> lazyFuture = new LazyFuture<String>(new Callable<String>() {10            public String call() throws Exception {11                return "value";12            }13        });14        FutureTask<String> futureTask = new FutureTask<String>(lazyFuture);15        new Thread(futureTask).start();16        System.out.println(futureTask.get(1000, TimeUnit.MILLISECONDS));17    }18}

resolve

Using AI Code Generation

1import java.util.concurrent.Future;2import org.testcontainers.utility.LazyFuture;3public class LazyFutureExample {4	public static void main(String[] args) throws Exception {5		Future<String> future = LazyFuture.create(() -> "Hello World");6		System.out.println(future.get());7	}8}

resolve

Using AI Code Generation

1package org.testcontainers;2import org.testcontainers.containers.GenericContainer;3import org.testcontainers.utility.LazyFuture;4public class LazyFutureTest {5    public static void main(String[] args) {6        GenericContainer container = new GenericContainer("postgres");7        container.start();8        int port = container.getMappedPort(5432);9        System.out.println("Port: " + port);10        container.stop();11    }12}

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