Examples with OffHeapNamespaceExtractionCacheManager io.druid.server.lookup.namespace.cache.OffHeapNamespaceExtractionCacheManager used on opensource projects

Example 1 with OffHeapNamespaceExtractionCacheManager

use of io.druid.server.lookup.namespace.cache.OffHeapNamespaceExtractionCacheManager in project druid by druid-io.

the class URIExtractionNamespaceCacheFactoryTest method getParameters.

@Parameterized.Parameters(name = "{0}")
public static Iterable<Object[]> getParameters() throws NoSuchMethodException {
    final List<Object[]> compressionParams = ImmutableList.of(new Object[] { ".dat", new Function<File, OutputStream>() {

        @Nullable
        @Override
        public OutputStream apply(@Nullable File outFile) {
            try {
                return new FileOutputStream(outFile);
            } catch (IOException ex) {
                throw Throwables.propagate(ex);
            }
        }
    } }, new Object[] { ".gz", new Function<File, OutputStream>() {

        @Nullable
        @Override
        public OutputStream apply(@Nullable File outFile) {
            try {
                final FileOutputStream fos = new FileOutputStream(outFile);
                return new GZIPOutputStream(fos) {

                    @Override
                    public void close() throws IOException {
                        try {
                            super.close();
                        } finally {
                            fos.close();
                        }
                    }
                };
            } catch (IOException ex) {
                throw Throwables.propagate(ex);
            }
        }
    } });
    final List<Function<Lifecycle, NamespaceExtractionCacheManager>> cacheManagerCreators = ImmutableList.of(new Function<Lifecycle, NamespaceExtractionCacheManager>() {

        @Override
        public NamespaceExtractionCacheManager apply(Lifecycle lifecycle) {
            return new OnHeapNamespaceExtractionCacheManager(lifecycle, new NoopServiceEmitter());
        }
    }, new Function<Lifecycle, NamespaceExtractionCacheManager>() {

        @Override
        public NamespaceExtractionCacheManager apply(Lifecycle lifecycle) {
            return new OffHeapNamespaceExtractionCacheManager(lifecycle, new NoopServiceEmitter());
        }
    });
    return new Iterable<Object[]>() {

        @Override
        public Iterator<Object[]> iterator() {
            return new Iterator<Object[]>() {

                Iterator<Object[]> compressionIt = compressionParams.iterator();

                Iterator<Function<Lifecycle, NamespaceExtractionCacheManager>> cacheManagerCreatorsIt = cacheManagerCreators.iterator();

                Object[] compressions = compressionIt.next();

                @Override
                public boolean hasNext() {
                    return compressionIt.hasNext() || cacheManagerCreatorsIt.hasNext();
                }

                @Override
                public Object[] next() {
                    if (cacheManagerCreatorsIt.hasNext()) {
                        Function<Lifecycle, NamespaceExtractionCacheManager> cacheManagerCreator = cacheManagerCreatorsIt.next();
                        return new Object[] { compressions[0], compressions[1], cacheManagerCreator };
                    } else {
                        cacheManagerCreatorsIt = cacheManagerCreators.iterator();
                        compressions = compressionIt.next();
                        return next();
                    }
                }

                @Override
                public void remove() {
                    throw new UOE("Cannot remove");
                }
            };
        }
    };
}