Examples with UncheckedExecutionException com.google.common.util.concurrent.UncheckedExecutionException used on opensource projects

Example 6 with UncheckedExecutionException

use of com.google.common.util.concurrent.UncheckedExecutionException in project caffeine by ben-manes.

the class CacheLoadingTest method testLoadingExceptionWithCause.

/**
   * Make sure LoadingCache correctly wraps ExecutionExceptions and UncheckedExecutionExceptions.
   */
public void testLoadingExceptionWithCause() {
    final Exception cause = new Exception();
    final UncheckedExecutionException uee = new UncheckedExecutionException(cause);
    final ExecutionException ee = new ExecutionException(cause);
    LoadingCache<Object, Object> cacheUnchecked = CaffeinatedGuava.build(Caffeine.newBuilder(), exceptionLoader(uee));
    LoadingCache<Object, Object> cacheChecked = CaffeinatedGuava.build(Caffeine.newBuilder(), exceptionLoader(ee));
    try {
        cacheUnchecked.get(new Object());
        fail();
    } catch (ExecutionException e) {
        fail();
    } catch (UncheckedExecutionException caughtEe) {
        assertSame(uee, caughtEe.getCause());
    }
    try {
        cacheUnchecked.getUnchecked(new Object());
        fail();
    } catch (UncheckedExecutionException caughtUee) {
        assertSame(uee, caughtUee.getCause());
    }
    cacheUnchecked.refresh(new Object());
    checkLoggedCause(uee);
    try {
        cacheUnchecked.getAll(asList(new Object()));
        fail();
    } catch (ExecutionException e) {
        fail();
    } catch (UncheckedExecutionException caughtEe) {
        assertSame(uee, caughtEe.getCause());
    }
    try {
        cacheChecked.get(new Object());
        fail();
    } catch (ExecutionException caughtEe) {
        assertSame(ee, caughtEe.getCause());
    }
    try {
        cacheChecked.getUnchecked(new Object());
        fail();
    } catch (UncheckedExecutionException caughtUee) {
        assertSame(ee, caughtUee.getCause());
    }
    cacheChecked.refresh(new Object());
    checkLoggedCause(ee);
    try {
        cacheChecked.getAll(asList(new Object()));
        fail();
    } catch (ExecutionException caughtEe) {
        assertSame(ee, caughtEe.getCause());
    }
}

Example 7 with UncheckedExecutionException

use of com.google.common.util.concurrent.UncheckedExecutionException in project guava by google.

the class LocalCache method loadAll.

/**
   * Returns the result of calling {@link CacheLoader#loadAll}, or null if {@code loader} doesn't
   * implement {@code loadAll}.
   */
@Nullable
Map<K, V> loadAll(Set<? extends K> keys, CacheLoader<? super K, V> loader) throws ExecutionException {
    checkNotNull(loader);
    checkNotNull(keys);
    Stopwatch stopwatch = Stopwatch.createStarted();
    Map<K, V> result;
    boolean success = false;
    try {
        // safe since all keys extend K
        @SuppressWarnings("unchecked") Map<K, V> map = (Map<K, V>) loader.loadAll(keys);
        result = map;
        success = true;
    } catch (UnsupportedLoadingOperationException e) {
        success = true;
        throw e;
    } catch (InterruptedException e) {
        Thread.currentThread().interrupt();
        throw new ExecutionException(e);
    } catch (RuntimeException e) {
        throw new UncheckedExecutionException(e);
    } catch (Exception e) {
        throw new ExecutionException(e);
    } catch (Error e) {
        throw new ExecutionError(e);
    } finally {
        if (!success) {
            globalStatsCounter.recordLoadException(stopwatch.elapsed(NANOSECONDS));
        }
    }
    if (result == null) {
        globalStatsCounter.recordLoadException(stopwatch.elapsed(NANOSECONDS));
        throw new InvalidCacheLoadException(loader + " returned null map from loadAll");
    }
    stopwatch.stop();
    // TODO(fry): batch by segment
    boolean nullsPresent = false;
    for (Map.Entry<K, V> entry : result.entrySet()) {
        K key = entry.getKey();
        V value = entry.getValue();
        if (key == null || value == null) {
            // delay failure until non-null entries are stored
            nullsPresent = true;
        } else {
            put(key, value);
        }
    }
    if (nullsPresent) {
        globalStatsCounter.recordLoadException(stopwatch.elapsed(NANOSECONDS));
        throw new InvalidCacheLoadException(loader + " returned null keys or values from loadAll");
    }
    // TODO(fry): record count of loaded entries
    globalStatsCounter.recordLoadSuccess(stopwatch.elapsed(NANOSECONDS));
    return result;
}

Example 8 with UncheckedExecutionException

use of com.google.common.util.concurrent.UncheckedExecutionException in project guava by google.

the class CacheLoadingTest method testLoadCheckedException.

public void testLoadCheckedException() {
    Exception e = new Exception();
    CacheLoader<Object, Object> loader = exceptionLoader(e);
    LoadingCache<Object, Object> cache = CacheBuilder.newBuilder().recordStats().build(loader);
    CacheStats stats = cache.stats();
    assertEquals(0, stats.missCount());
    assertEquals(0, stats.loadSuccessCount());
    assertEquals(0, stats.loadExceptionCount());
    assertEquals(0, stats.hitCount());
    try {
        cache.get(new Object());
        fail();
    } catch (ExecutionException expected) {
        assertSame(e, expected.getCause());
    }
    stats = cache.stats();
    assertEquals(1, stats.missCount());
    assertEquals(0, stats.loadSuccessCount());
    assertEquals(1, stats.loadExceptionCount());
    assertEquals(0, stats.hitCount());
    try {
        cache.getUnchecked(new Object());
        fail();
    } catch (UncheckedExecutionException expected) {
        assertSame(e, expected.getCause());
    }
    stats = cache.stats();
    assertEquals(2, stats.missCount());
    assertEquals(0, stats.loadSuccessCount());
    assertEquals(2, stats.loadExceptionCount());
    assertEquals(0, stats.hitCount());
    cache.refresh(new Object());
    checkLoggedCause(e);
    stats = cache.stats();
    assertEquals(2, stats.missCount());
    assertEquals(0, stats.loadSuccessCount());
    assertEquals(3, stats.loadExceptionCount());
    assertEquals(0, stats.hitCount());
    Exception callableException = new Exception();
    try {
        cache.get(new Object(), throwing(callableException));
        fail();
    } catch (ExecutionException expected) {
        assertSame(callableException, expected.getCause());
    }
    stats = cache.stats();
    assertEquals(3, stats.missCount());
    assertEquals(0, stats.loadSuccessCount());
    assertEquals(4, stats.loadExceptionCount());
    assertEquals(0, stats.hitCount());
    try {
        cache.getAll(asList(new Object()));
        fail();
    } catch (ExecutionException expected) {
        assertSame(e, expected.getCause());
    }
    stats = cache.stats();
    assertEquals(4, stats.missCount());
    assertEquals(0, stats.loadSuccessCount());
    assertEquals(5, stats.loadExceptionCount());
    assertEquals(0, stats.hitCount());
}

Example 9 with UncheckedExecutionException

use of com.google.common.util.concurrent.UncheckedExecutionException in project guava by google.

the class CacheLoadingTest method testLoadInterruptedException.

public void testLoadInterruptedException() {
    Exception e = new InterruptedException();
    CacheLoader<Object, Object> loader = exceptionLoader(e);
    LoadingCache<Object, Object> cache = CacheBuilder.newBuilder().recordStats().build(loader);
    CacheStats stats = cache.stats();
    assertEquals(0, stats.missCount());
    assertEquals(0, stats.loadSuccessCount());
    assertEquals(0, stats.loadExceptionCount());
    assertEquals(0, stats.hitCount());
    // Sanity check:
    assertFalse(currentThread().interrupted());
    try {
        cache.get(new Object());
        fail();
    } catch (ExecutionException expected) {
        assertSame(e, expected.getCause());
    }
    assertTrue(currentThread().interrupted());
    stats = cache.stats();
    assertEquals(1, stats.missCount());
    assertEquals(0, stats.loadSuccessCount());
    assertEquals(1, stats.loadExceptionCount());
    assertEquals(0, stats.hitCount());
    try {
        cache.getUnchecked(new Object());
        fail();
    } catch (UncheckedExecutionException expected) {
        assertSame(e, expected.getCause());
    }
    assertTrue(currentThread().interrupted());
    stats = cache.stats();
    assertEquals(2, stats.missCount());
    assertEquals(0, stats.loadSuccessCount());
    assertEquals(2, stats.loadExceptionCount());
    assertEquals(0, stats.hitCount());
    cache.refresh(new Object());
    assertTrue(currentThread().interrupted());
    checkLoggedCause(e);
    stats = cache.stats();
    assertEquals(2, stats.missCount());
    assertEquals(0, stats.loadSuccessCount());
    assertEquals(3, stats.loadExceptionCount());
    assertEquals(0, stats.hitCount());
    Exception callableException = new InterruptedException();
    try {
        cache.get(new Object(), throwing(callableException));
        fail();
    } catch (ExecutionException expected) {
        assertSame(callableException, expected.getCause());
    }
    assertTrue(currentThread().interrupted());
    stats = cache.stats();
    assertEquals(3, stats.missCount());
    assertEquals(0, stats.loadSuccessCount());
    assertEquals(4, stats.loadExceptionCount());
    assertEquals(0, stats.hitCount());
    try {
        cache.getAll(asList(new Object()));
        fail();
    } catch (ExecutionException expected) {
        assertSame(e, expected.getCause());
    }
    assertTrue(currentThread().interrupted());
    stats = cache.stats();
    assertEquals(4, stats.missCount());
    assertEquals(0, stats.loadSuccessCount());
    assertEquals(5, stats.loadExceptionCount());
    assertEquals(0, stats.hitCount());
}

Example 10 with UncheckedExecutionException

use of com.google.common.util.concurrent.UncheckedExecutionException in project guava by google.

the class CacheLoadingTest method testBulkLoadingExceptionWithCause.

public void testBulkLoadingExceptionWithCause() {
    final Exception cause = new Exception();
    final UncheckedExecutionException uee = new UncheckedExecutionException(cause);
    final ExecutionException ee = new ExecutionException(cause);
    LoadingCache<Object, Object> cacheUnchecked = CacheBuilder.newBuilder().build(bulkLoader(exceptionLoader(uee)));
    LoadingCache<Object, Object> cacheChecked = CacheBuilder.newBuilder().build(bulkLoader(exceptionLoader(ee)));
    try {
        cacheUnchecked.getAll(asList(new Object()));
        fail();
    } catch (ExecutionException e) {
        fail();
    } catch (UncheckedExecutionException caughtEe) {
        assertSame(uee, caughtEe.getCause());
    }
    try {
        cacheChecked.getAll(asList(new Object()));
        fail();
    } catch (ExecutionException caughtEe) {
        assertSame(ee, caughtEe.getCause());
    }
}