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Example 1 with PartitionedProcessorTransform

use of com.hazelcast.jet.impl.pipeline.transform.PartitionedProcessorTransform in project hazelcast by hazelcast.

the class ComputeStageImplBase method attachMapUsingPartitionedServiceAsyncBatched.

@Nonnull
@SuppressWarnings({ "unchecked", "rawtypes" })
<S, K, R, RET> RET attachMapUsingPartitionedServiceAsyncBatched(@Nonnull ServiceFactory<?, S> serviceFactory, int maxBatchSize, @Nonnull FunctionEx<? super T, ? extends K> partitionKeyFn, @Nonnull BiFunctionEx<? super S, ? super List<T>, ? extends CompletableFuture<List<R>>> mapAsyncFn) {
    checkSerializable(mapAsyncFn, "mapAsyncFn");
    checkSerializable(partitionKeyFn, "partitionKeyFn");
    serviceFactory = moveAttachedFilesToPipeline(serviceFactory);
    BiFunctionEx<? super S, ? super List<T>, ? extends CompletableFuture<List<Traverser<R>>>> flatMapAsyncFn = (s, items) -> mapAsyncFn.apply(s, items).thenApply(list -> toList(list, Traversers::singleton));
    BiFunctionEx adaptedFlatMapFn = fnAdapter.adaptFlatMapUsingServiceAsyncBatchedFn(flatMapAsyncFn);
    FunctionEx adaptedPartitionKeyFn = fnAdapter.adaptKeyFn(partitionKeyFn);
    // Here we flatten the result from List<Traverser<R>> to Traverser<R>.
    // The former is used in pipeline API, the latter in core API.
    BiFunctionEx<? super S, ? super List<T>, ? extends CompletableFuture<Traverser<R>>> flattenedFn = (svc, items) -> {
        // R might actually be JetEvent<R> -- we can't represent this with static types
        CompletableFuture<List<Traverser<R>>> f = (CompletableFuture<List<Traverser<R>>>) adaptedFlatMapFn.apply(svc, items);
        return f.thenApply(res -> traverseIterable(res).flatMap(Function.identity()));
    };
    PartitionedProcessorTransform processorTransform = flatMapUsingServiceAsyncBatchedPartitionedTransform(transform, "map", serviceFactory, MAX_CONCURRENT_ASYNC_BATCHES, maxBatchSize, flattenedFn, adaptedPartitionKeyFn);
    return attach(processorTransform, fnAdapter);
}
Also used : Traverser(com.hazelcast.jet.Traverser) PartitionedProcessorTransform.partitionedCustomProcessorTransform(com.hazelcast.jet.impl.pipeline.transform.PartitionedProcessorTransform.partitionedCustomProcessorTransform) PartitionedProcessorTransform.flatMapUsingServiceAsyncBatchedPartitionedTransform(com.hazelcast.jet.impl.pipeline.transform.PartitionedProcessorTransform.flatMapUsingServiceAsyncBatchedPartitionedTransform) ProcessorTransform.flatMapUsingServiceTransform(com.hazelcast.jet.impl.pipeline.transform.ProcessorTransform.flatMapUsingServiceTransform) ProcessorTransform.mapUsingServiceTransform(com.hazelcast.jet.impl.pipeline.transform.ProcessorTransform.mapUsingServiceTransform) Collections.singletonList(java.util.Collections.singletonList) BiFunctionEx(com.hazelcast.function.BiFunctionEx) JoinClause(com.hazelcast.jet.pipeline.JoinClause) Traversers.traverseIterable(com.hazelcast.jet.Traversers.traverseIterable) Arrays.asList(java.util.Arrays.asList) 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Example 2 with PartitionedProcessorTransform

use of com.hazelcast.jet.impl.pipeline.transform.PartitionedProcessorTransform in project hazelcast by hazelcast.

the class ComputeStageImplBase method attachMapUsingPartitionedServiceAsync.

@Nonnull
@SuppressWarnings({ "unchecked", "rawtypes" })
<S, K, R, RET> RET attachMapUsingPartitionedServiceAsync(@Nonnull ServiceFactory<?, S> serviceFactory, int maxConcurrentOps, boolean preserveOrder, @Nonnull FunctionEx<? super T, ? extends K> partitionKeyFn, @Nonnull BiFunctionEx<? super S, ? super T, ? extends CompletableFuture<R>> mapAsyncFn) {
    checkSerializable(mapAsyncFn, "mapAsyncFn");
    checkSerializable(partitionKeyFn, "partitionKeyFn");
    serviceFactory = moveAttachedFilesToPipeline(serviceFactory);
    BiFunctionEx<? super S, ? super T, ? extends CompletableFuture<Traverser<R>>> flatMapAsyncFn = (s, t) -> mapAsyncFn.apply(s, t).thenApply(Traversers::singleton);
    BiFunctionEx adaptedFlatMapFn = fnAdapter.adaptFlatMapUsingServiceAsyncFn(flatMapAsyncFn);
    FunctionEx adaptedPartitionKeyFn = fnAdapter.adaptKeyFn(partitionKeyFn);
    PartitionedProcessorTransform processorTransform = flatMapUsingServiceAsyncPartitionedTransform(transform, "map", serviceFactory, maxConcurrentOps, preserveOrder, adaptedFlatMapFn, adaptedPartitionKeyFn);
    return attach(processorTransform, fnAdapter);
}
Also used : Traverser(com.hazelcast.jet.Traverser) PartitionedProcessorTransform.partitionedCustomProcessorTransform(com.hazelcast.jet.impl.pipeline.transform.PartitionedProcessorTransform.partitionedCustomProcessorTransform) PartitionedProcessorTransform.flatMapUsingServiceAsyncBatchedPartitionedTransform(com.hazelcast.jet.impl.pipeline.transform.PartitionedProcessorTransform.flatMapUsingServiceAsyncBatchedPartitionedTransform) ProcessorTransform.flatMapUsingServiceTransform(com.hazelcast.jet.impl.pipeline.transform.ProcessorTransform.flatMapUsingServiceTransform) ProcessorTransform.mapUsingServiceTransform(com.hazelcast.jet.impl.pipeline.transform.ProcessorTransform.mapUsingServiceTransform) Collections.singletonList(java.util.Collections.singletonList) BiFunctionEx(com.hazelcast.function.BiFunctionEx) JoinClause(com.hazelcast.jet.pipeline.JoinClause) Traversers.traverseIterable(com.hazelcast.jet.Traversers.traverseIterable) Arrays.asList(java.util.Arrays.asList) 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Aggregations

BiFunctionEx (com.hazelcast.function.BiFunctionEx)2 BiPredicateEx (com.hazelcast.function.BiPredicateEx)2 ComparatorEx (com.hazelcast.function.ComparatorEx)2 FunctionEx (com.hazelcast.function.FunctionEx)2 PredicateEx (com.hazelcast.function.PredicateEx)2 SupplierEx (com.hazelcast.function.SupplierEx)2 ToLongFunctionEx (com.hazelcast.function.ToLongFunctionEx)2 Preconditions.checkTrue (com.hazelcast.internal.util.Preconditions.checkTrue)2 JetException (com.hazelcast.jet.JetException)2 Traverser (com.hazelcast.jet.Traverser)2 Traversers (com.hazelcast.jet.Traversers)2 Traversers.traverseIterable (com.hazelcast.jet.Traversers.traverseIterable)2 DEFAULT_IDLE_TIMEOUT (com.hazelcast.jet.core.EventTimePolicy.DEFAULT_IDLE_TIMEOUT)2 EventTimePolicy.eventTimePolicy (com.hazelcast.jet.core.EventTimePolicy.eventTimePolicy)2 ProcessorMetaSupplier (com.hazelcast.jet.core.ProcessorMetaSupplier)2 WatermarkPolicy.limitingLag (com.hazelcast.jet.core.WatermarkPolicy.limitingLag)2 TriFunction (com.hazelcast.jet.function.TriFunction)2 JetEvent.jetEvent (com.hazelcast.jet.impl.JetEvent.jetEvent)2 AbstractTransform (com.hazelcast.jet.impl.pipeline.transform.AbstractTransform)2 FlatMapStatefulTransform (com.hazelcast.jet.impl.pipeline.transform.FlatMapStatefulTransform)2