com.google.common.util.concurrent.ExecutionError Java Examples

The following examples show how to use com.google.common.util.concurrent.ExecutionError. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example #1
Source File: AbstractDynamoDbStore.java    From dynamodb-janusgraph-storage-backend with Apache License 2.0 6 votes vote down vote up 
@Override
public void acquireLock(final StaticBuffer key, final StaticBuffer column, final StaticBuffer expectedValue, final StoreTransaction txh) throws BackendException {
    final DynamoDbStoreTransaction tx = DynamoDbStoreTransaction.getTx(txh);
    final Pair<StaticBuffer, StaticBuffer> keyColumn = Pair.of(key, column);

    final DynamoDbStoreTransaction existing;
    try {
        existing = keyColumnLocalLocks.get(keyColumn, () -> tx);
    } catch (ExecutionException | UncheckedExecutionException | ExecutionError e) {
        throw new TemporaryLockingException("Unable to acquire lock", e);
    }
    if (null != existing && tx != existing) {
        throw new TemporaryLockingException(String.format("tx %s already locked key-column %s when tx %s tried to lock", existing.toString(), keyColumn.toString(), tx.toString()));
    }

    // Titan's locking expects that only the first expectedValue for a given key/column should be used
    tx.putKeyColumnOnlyIfItIsNotYetChangedInTx(this, key, column, expectedValue);
}
Example #2
Source File: CacheLoadingTest.java    From caffeine with Apache License 2.0 6 votes vote down vote up 
public void testBulkLoadError() throws ExecutionException {
  Error e = new Error();
  CacheLoader<Object, Object> loader = errorLoader(e);
  LoadingCache<Object, Object> cache = CaffeinatedGuava.build(Caffeine.newBuilder()
      .recordStats(), bulkLoader(loader));
  CacheStats stats = cache.stats();
  assertEquals(0, stats.missCount());
  assertEquals(0, stats.loadSuccessCount());
  assertEquals(0, stats.loadExceptionCount());
  assertEquals(0, stats.hitCount());

  try {
    cache.getAll(asList(new Object()));
    fail();
  } catch (ExecutionError expected) {
    assertSame(e, expected.getCause());
  }
  stats = cache.stats();
  assertEquals(1, stats.missCount());
  assertEquals(0, stats.loadSuccessCount());
  assertEquals(1, stats.loadExceptionCount());
  assertEquals(0, stats.hitCount());
}
Example #3
Source File: Results.java    From arcusplatform with Apache License 2.0 5 votes vote down vote up 
@Override
public T get() throws ExecutionException {
 Throwable error = getError();
 if(error == null) {
  return getValue();
 }
 if(error instanceof Error) {
  throw new ExecutionError((Error) error);
 }
 throw new ExecutionException(error);
}
Example #4
Source File: SslContextFactory.java    From drift with Apache License 2.0 5 votes vote down vote up 
public ReloadableSslContext get(SslContextParameters sslContextParameters)
{
    try {
        return cache.getUnchecked(sslContextParameters);
    }
    catch (UncheckedExecutionException | ExecutionError e) {
        throw new RuntimeException("Error initializing SSL context", e.getCause());
    }
}
Example #5
Source File: LocalCache.java    From codebuff with BSD 2-Clause "Simplified" License 5 votes vote down vote up 
V get(K key, int hash, CacheLoader<? super K, V> loader) throws ExecutionException {
  checkNotNull(key);
  checkNotNull(loader);
  try {
    if (count != 0) { // read-volatile
      // don't call getLiveEntry, which would ignore loading values
      ReferenceEntry<K, V> e = getEntry(key, hash);
      if (e != null) {
        long now = map.ticker.read();
        V value = getLiveValue(e, now);
        if (value != null) {
          recordRead(e, now);
          statsCounter.recordHits(1);
          return scheduleRefresh(e, key, hash, value, now, loader);
        }
        ValueReference<K, V> valueReference = e.getValueReference();
        if (valueReference.isLoading()) {
          return waitForLoadingValue(e, key, valueReference);
        }
      }
    }

    // at this point e is either null or expired;
    return lockedGetOrLoad(key, hash, loader);
  } catch (ExecutionException ee) {
    Throwable cause = ee.getCause();
    if (cause instanceof Error) {
      throw new ExecutionError((Error) cause);
    } else if (cause instanceof RuntimeException) {
      throw new UncheckedExecutionException(cause);
    }
    throw ee;
  } finally {
    postReadCleanup();
  }
}
Example #6
Source File: LocalCache.java    From codebuff with BSD 2-Clause "Simplified" License 5 votes vote down vote up 
V get(K key, int hash, CacheLoader<? super K, V> loader) throws ExecutionException {
  checkNotNull(key);
  checkNotNull(loader);
  try {
    if (count != 0) { // read-volatile
      // don't call getLiveEntry, which would ignore loading values
      ReferenceEntry<K, V> e = getEntry(key, hash);
      if (e != null) {
        long now = map.ticker.read();
        V value = getLiveValue(e, now);
        if (value != null) {
          recordRead(e, now);
          statsCounter.recordHits(1);
          return scheduleRefresh(e, key, hash, value, now, loader);
        }
        ValueReference<K, V> valueReference = e.getValueReference();
        if (valueReference.isLoading()) {
          return waitForLoadingValue(e, key, valueReference);
        }
      }
    }

    // at this point e is either null or expired;
    return lockedGetOrLoad(key, hash, loader);
  } catch (ExecutionException ee) {
    Throwable cause = ee.getCause();
    if (cause instanceof Error) {
      throw new ExecutionError((Error) cause);
    } else if (cause instanceof RuntimeException) {
      throw new UncheckedExecutionException(cause);
    }
    throw ee;
  } finally {
    postReadCleanup();
  }
}
Example #7
Source File: LocalCache.java    From codebuff with BSD 2-Clause "Simplified" License 5 votes vote down vote up 
V get(K key, int hash, CacheLoader<? super K, V> loader) throws ExecutionException {
  checkNotNull(key);
  checkNotNull(loader);
  try {
    if (count != 0) { // read-volatile
      // don't call getLiveEntry, which would ignore loading values
      ReferenceEntry<K, V> e = getEntry(key, hash);
      if (e != null) {
        long now = map.ticker.read();
        V value = getLiveValue(e, now);
        if (value != null) {
          recordRead(e, now);
          statsCounter.recordHits(1);
          return scheduleRefresh(e, key, hash, value, now, loader);
        }
        ValueReference<K, V> valueReference = e.getValueReference();
        if (valueReference.isLoading()) {
          return waitForLoadingValue(e, key, valueReference);
        }
      }
    }

    // at this point e is either null or expired;
    return lockedGetOrLoad(key, hash, loader);
  } catch (ExecutionException ee) {
    Throwable cause = ee.getCause();
    if (cause instanceof Error) {
      throw new ExecutionError((Error) cause);
    } else if (cause instanceof RuntimeException) {
      throw new UncheckedExecutionException(cause);
    }
    throw ee;
  } finally {
    postReadCleanup();
  }
}
Example #8
Source File: LocalCache.java    From codebuff with BSD 2-Clause "Simplified" License 5 votes vote down vote up 
V get(K key, int hash, CacheLoader<? super K, V> loader) throws ExecutionException {
        checkNotNull(key);
        checkNotNull(loader);
        try {
    if (count != 0) { // read-volatile
      // don't call getLiveEntry, which would ignore loading values
            ReferenceEntry<K, V> e = getEntry(key, hash);
            if (e != null) {
                long now = map.ticker.read();
                V value = getLiveValue(e, now);
                if (value != null) {
                        recordRead(e, now);
                        statsCounter.recordHits(1);
                        return scheduleRefresh(e, key, hash, value, now, loader);
                }
                ValueReference<K, V> valueReference = e.getValueReference();
                if (valueReference.isLoading()) {
                        return waitForLoadingValue(e, key, valueReference);
                }
            }
    }

    // at this point e is either null or expired;
    return lockedGetOrLoad(key, hash, loader);
        } catch (ExecutionException ee) {
          Throwable cause = ee.getCause();
          if (cause instanceof Error) {
                                                                                       throw new ExecutionError((Error) cause);
          } else if (cause instanceof RuntimeException) {
            throw new UncheckedExecutionException(cause);
          }
          throw ee;
        } finally {
          postReadCleanup();
        }
}
Example #9
Source File: LocalCache.java    From codebuff with BSD 2-Clause "Simplified" License 5 votes vote down vote up 
V get(K key, int hash, CacheLoader<? super K, V> loader) throws ExecutionException {
  checkNotNull(key);
  checkNotNull(loader);
  try {
    if (count != 0) { // read-volatile
      // don't call getLiveEntry, which would ignore loading values
      ReferenceEntry<K, V> e = getEntry(key, hash);
      if (e != null) {
        long now = map.ticker.read();
        V value = getLiveValue(e, now);
        if (value != null) {
          recordRead(e, now);
          statsCounter.recordHits(1);
          return scheduleRefresh(e, key, hash, value, now, loader);
        }
        ValueReference<K, V> valueReference = e.getValueReference();
        if (valueReference.isLoading()) {
          return waitForLoadingValue(e, key, valueReference);
        }
      }
    }

    // at this point e is either null or expired;
    return lockedGetOrLoad(key, hash, loader);
  } catch (ExecutionException ee) {
    Throwable cause = ee.getCause();
    if (cause instanceof Error) {
      throw new ExecutionError((Error) cause);
    } else if (cause instanceof RuntimeException) {
      throw new UncheckedExecutionException(cause);
    }
    throw ee;
  } finally {
    postReadCleanup();
  }
}
Example #10
Source File: LocalCache.java    From codebuff with BSD 2-Clause "Simplified" License 5 votes vote down vote up 
V get(K key, int hash, CacheLoader<? super K, V> loader) throws ExecutionException {
  checkNotNull(key);
  checkNotNull(loader);
  try {
    if (count != 0) { // read-volatile
      // don't call getLiveEntry, which would ignore loading values
      ReferenceEntry<K, V> e = getEntry(key, hash);
      if (e != null) {
        long now = map.ticker.read();
        V value = getLiveValue(e, now);
        if (value != null) {
          recordRead(e, now);
          statsCounter.recordHits(1);
          return scheduleRefresh(e, key, hash, value, now, loader);
        }
        ValueReference<K, V> valueReference = e.getValueReference();
        if (valueReference.isLoading()) {
          return waitForLoadingValue(e, key, valueReference);
        }
      }
    }

    // at this point e is either null or expired;
    return lockedGetOrLoad(key, hash, loader);
  } catch (ExecutionException ee) {
    Throwable cause = ee.getCause();
    if (cause instanceof Error) {
      throw new ExecutionError((Error) cause);
    } else if (cause instanceof RuntimeException) {
      throw new UncheckedExecutionException(cause);
    }
    throw ee;
  } finally {
    postReadCleanup();
  }
}