Examples with AsyncConsistentMap io.atomix.core.map.AsyncConsistentMap used on opensource projects

Example 1 with AsyncConsistentMap

use of io.atomix.core.map.AsyncConsistentMap in project atomix by atomix.

the class ConsistentMapProxyBuilder method buildAsync.

@Override
@SuppressWarnings("unchecked")
public CompletableFuture<ConsistentMap<K, V>> buildAsync() {
    PrimitiveProtocol protocol = protocol();
    PartitionGroup<?> partitions = managementService.getPartitionService().getPartitionGroup(protocol);
    Map<PartitionId, CompletableFuture<AsyncConsistentMap<byte[], byte[]>>> maps = Maps.newConcurrentMap();
    for (Partition partition : partitions.getPartitions()) {
        maps.put(partition.id(), partition.getPrimitiveClient().newProxy(name(), primitiveType(), protocol).connect().thenApply(proxy -> new TranscodingAsyncConsistentMap<>(new ConsistentMapProxy(proxy), BaseEncoding.base16()::encode, BaseEncoding.base16()::decode, Function.identity(), Function.identity())));
    }
    Partitioner<byte[]> partitioner = key -> {
        int bucket = Math.abs(Hashing.murmur3_32().hashBytes(key).asInt()) % NUM_BUCKETS;
        return partitions.getPartitionIds().get(Hashing.consistentHash(bucket, partitions.getPartitionIds().size()));
    };
    return Futures.allOf(Lists.newArrayList(maps.values())).thenApply(m -> {
        AsyncConsistentMap<byte[], byte[]> partitionedMap = new PartitionedAsyncConsistentMap<>(name(), Maps.transformValues(maps, v -> v.getNow(null)), partitioner);
        Serializer serializer = serializer();
        AsyncConsistentMap<K, V> map = new TranscodingAsyncConsistentMap<>(partitionedMap, key -> serializer.encode(key), bytes -> serializer.decode(bytes), value -> value == null ? null : serializer.encode(value), bytes -> serializer.decode(bytes));
        if (!nullValues()) {
            map = new NotNullAsyncConsistentMap<>(map);
        }
        if (relaxedReadConsistency()) {
            map = new CachingAsyncConsistentMap<>(map);
        }
        if (readOnly()) {
            map = new UnmodifiableAsyncConsistentMap<>(map);
        }
        return map.sync();
    });
}