Example usage for com.google.common.hash HashCode fromInt

Introduction

In this page you can find the example usage for com.google.common.hash HashCode fromInt.

Prototype

@CheckReturnValue
public static HashCode fromInt(int hash) 

Source Link

Document

Creates a 32-bit HashCode representation of the given int value.

Usage

From source file:com.facebook.buck.rules.modern.SerializationTestHelper.java

/**
 * Serialize and deserialize an object./*from   ww w .  j av  a 2 s . c o m*/
 *
 * <p>The ruleFinder and cellResolver are used for serialization, the rest for deserialization.
 */
public static <T extends AddsToRuleKey> T serializeAndDeserialize(T instance, Class<T> tClass,
        SourcePathRuleFinder ruleFinder, CellPathResolver cellResolver, SourcePathResolver resolver,
        ToolchainProvider toolchainProvider, Function<Optional<String>, ProjectFilesystem> filesystemFunction)
        throws IOException {
    Map<HashCode, byte[]> dataMap = new HashMap<>();
    Map<HashCode, List<HashCode>> childMap = new HashMap<>();

    Delegate serializerDelegate = (value, data, children) -> {
        int id = dataMap.size();
        HashCode hash = HashCode.fromInt(id);
        dataMap.put(hash, data);
        childMap.put(hash, children);
        return hash;
    };

    Either<HashCode, byte[]> serialized = new Serializer(ruleFinder, cellResolver, serializerDelegate)
            .serialize(instance, DefaultClassInfoFactory.forInstance(instance));

    return new Deserializer(filesystemFunction, Class::forName, () -> resolver, toolchainProvider)
            .deserialize(new DataProvider() {
                @Override
                public InputStream getData() {
                    return new ByteArrayInputStream(
                            serialized.transform(left -> dataMap.get(left), right -> right));
                }

                @Override
                public DataProvider getChild(HashCode hash) {
                    return getDataProvider(dataMap, childMap, hash);
                }
            }, tClass);
}

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From source file:com.google.idea.blaze.android.run.binary.instantrun.BlazeInstantRunContext.java

@NotNull
@Override
public HashCode getManifestResourcesHash() {
    // TODO b/28373160
    return HashCode.fromInt(0);
}

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From source file:com.facebook.buck.rules.modern.builders.ReconstructingStrategy.java

ReconstructingStrategy(SourcePathRuleFinder ruleFinder, CellPathResolver cellResolver, Cell rootCell) {
    dataMap = new ConcurrentHashMap<>();
    id = new AtomicInteger();
    delegate = (instance, data, children) -> {
        HashCode hash = HashCode.fromInt(id.incrementAndGet());
        dataMap.put(hash, data);//  w w w  .  j  a  v a  2  s.  c om
        return hash;
    };
    serializer = new Serializer(ruleFinder, cellResolver, delegate);
    deserializer = new Deserializer(
            name -> rootCell.getCellProvider().getCellByPath(cellResolver.getCellPathOrThrow(name))
                    .getFilesystem(),
            Class::forName, () -> DefaultSourcePathResolver.from(ruleFinder), rootCell.getToolchainProvider());
}

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From source file:com.android.tools.idea.gradle.run.GradleInstantRunContext.java

@VisibleForTesting
static HashCode getManifestResourcesHash(@NotNull AndroidFacet facet) {
    Document manifest = MergedManifest.get(facet).getDocument();
    if (manifest == null || manifest.getDocumentElement() == null) {
        return HashCode.fromInt(0);
    }//w  w w.j  ava2s  . c  o  m

    final Hasher hasher = Hashing.goodFastHash(32).newHasher();
    SortedSet<ResourceUrl> appResourceReferences = getAppResourceReferences(manifest.getDocumentElement());
    AppResourceRepository appResources = AppResourceRepository.getAppResources(facet, true);

    // read action needed when reading the values for app resources
    ApplicationManager.getApplication().runReadAction(() -> {
        hashResources(appResourceReferences, appResources, hasher);
    });

    return hasher.hash();
}

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From source file:com.facebook.buck.distributed.DistBuildFileMaterializer.java

@Override
public HashCode get(Path path) throws IOException {
    Queue<Path> remainingPaths = new LinkedList<>();
    remainingPaths.add(path);/*from   w  ww  .  j  a  v a2  s .  c  o m*/
    while (remainingPaths.size() > 0) {
        materializeIfNeeded(remainingPaths.remove(), remainingPaths);
    }
    return HashCode.fromInt(0);
}

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From source file:com.facebook.buck.distributed.DistBuildFileMaterializer.java

@Override
public HashCode get(ArchiveMemberPath archiveMemberPath) throws IOException {
    materializeIfNeeded(archiveMemberPath.getArchivePath(), new LinkedList<>());
    return HashCode.fromInt(0);
}

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From source file:com.facebook.buck.distributed.MaterializerDummyFileHashCache.java

@Override
public HashCode get(Path relPath) throws IOException {
    materializeIfNeededAsync(relPath);/* w w  w  .j a v  a2  s .c  o  m*/
    if (getMaterializationFuturesAsList().isDone()) {
        return delegate.get(relPath);
    } else {
        // Return a fake. This class is not meant for actually computing HashCodes.
        return HashCode.fromInt(0);
    }
}

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From source file:com.facebook.buck.distributed.MaterializerDummyFileHashCache.java

@Override
public HashCode get(ArchiveMemberPath archiveMemberRelPath) throws IOException {
    materializeIfNeededAsync(archiveMemberRelPath.getArchivePath());
    if (getMaterializationFuturesAsList().isDone()) {
        return delegate.get(archiveMemberRelPath);
    } else {//w w  w. j  a v  a 2s .c o  m
        // Return a fake. This class is not meant for actually computing HashCodes.
        return HashCode.fromInt(0);
    }
}

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