| Package | Description | 
|---|---|
| com.hazelcast.function | Serializable and exception-declaring variants of functional interfaces from
  java.util.function. | 
| com.hazelcast.jet.core.processor | Contains static utility classes with factories of Jet processors. | 
| com.hazelcast.jet.function | Serializable and exception-declaring variants of functional interfaces from
  java.util.function. | 
| com.hazelcast.jet.hadoop | Apache Hadoop read/write support for Hazelcast Jet. | 
| com.hazelcast.jet.pipeline | The Pipeline API is Jet's high-level API to build and execute
 distributed computation jobs. | 
| com.hazelcast.jet.pipeline.test | This package contains various mock sources to help with pipeline testing
 and development. | 
| Modifier and Type | Method and Description | 
|---|---|
| default ConsumerEx<T> | ConsumerEx. andThen(ConsumerEx<? super T> after)Serializablevariant ofjava.util.function.Consumer#andThen(Consumer). | 
| static <T> ConsumerEx<T> | ConsumerEx. noop()Returns a consumer that does nothing. | 
| Modifier and Type | Method and Description | 
|---|---|
| default ConsumerEx<T> | ConsumerEx. andThen(ConsumerEx<? super T> after)Serializablevariant ofjava.util.function.Consumer#andThen(Consumer). | 
| Modifier and Type | Method and Description | 
|---|---|
| static <C,T,S> ProcessorMetaSupplier | SourceProcessors. convenientSourceP(FunctionEx<? super Processor.Context,? extends C> createFn,
                 BiConsumerEx<? super C,? super SourceBuilder.SourceBuffer<T>> fillBufferFn,
                 FunctionEx<? super C,? extends S> createSnapshotFn,
                 BiConsumerEx<? super C,? super List<S>> restoreSnapshotFn,
                 ConsumerEx<? super C> destroyFn,
                 int preferredLocalParallelism,
                 boolean isBatch,
                 Permission permission)Returns a supplier of processors for a source that the user can create
 using the  SourceBuilder. | 
| static <C,T,S> ProcessorMetaSupplier | SourceProcessors. convenientTimestampedSourceP(FunctionEx<? super Processor.Context,? extends C> createFn,
                            BiConsumerEx<? super C,? super SourceBuilder.TimestampedSourceBuffer<T>> fillBufferFn,
                            EventTimePolicy<? super T> eventTimePolicy,
                            FunctionEx<? super C,? extends S> createSnapshotFn,
                            BiConsumerEx<? super C,? super List<S>> restoreSnapshotFn,
                            ConsumerEx<? super C> destroyFn,
                            int preferredLocalParallelism)Returns a supplier of processors for a source that the user can create
 using the  SourceBuilder. | 
| static <W,T> SupplierEx<Processor> | SinkProcessors. writeBufferedP(FunctionEx<? super Processor.Context,? extends W> createFn,
              BiConsumerEx<? super W,? super T> onReceiveFn,
              ConsumerEx<? super W> flushFn)Shortcut for  SinkProcessors.writeBufferedP(FunctionEx, BiConsumerEx,
 ConsumerEx, ConsumerEx)with a no-opdestroyFn. | 
| static <W,T> SupplierEx<Processor> | SinkProcessors. writeBufferedP(FunctionEx<? super Processor.Context,? extends W> createFn,
              BiConsumerEx<? super W,? super T> onReceiveFn,
              ConsumerEx<? super W> flushFn,
              ConsumerEx<? super W> destroyFn)Returns a supplier of processors for a vertex that drains all the items
 from the inbox to an internal writer object and then does a flush. | 
| static <W,T> SupplierEx<Processor> | SinkProcessors. writeBufferedP(FunctionEx<? super Processor.Context,? extends W> createFn,
              BiConsumerEx<? super W,? super T> onReceiveFn,
              ConsumerEx<? super W> flushFn,
              ConsumerEx<? super W> destroyFn)Returns a supplier of processors for a vertex that drains all the items
 from the inbox to an internal writer object and then does a flush. | 
| Modifier and Type | Method and Description | 
|---|---|
| static <T> Observer<T> | Observer. of(ConsumerEx<? super T> onNext)Utility method for building an  Observeronly from its data
 callback, with default behaviour for completion & error. | 
| static <T> Observer<T> | Observer. of(ConsumerEx<? super T> onNext,
  ConsumerEx<? super Throwable> onError,
  RunnableEx onComplete)Utility method for building an  Observerfrom its basic
 callback components. | 
| static <T> Observer<T> | Observer. of(ConsumerEx<? super T> onNext,
  ConsumerEx<? super Throwable> onError,
  RunnableEx onComplete)Utility method for building an  Observerfrom its basic
 callback components. | 
| Modifier and Type | Method and Description | 
|---|---|
| static <K,V,E> BatchSource<E> | HadoopSources. inputFormat(ConsumerEx<org.apache.hadoop.conf.Configuration> configureFn,
           BiFunctionEx<K,V,E> projectionFn)Returns a source that reads records from Apache Hadoop HDFS and emits
 the results of transforming each record (a key-value pair) with the
 supplied projection function. | 
| static <K,V,R> ProcessorMetaSupplier | HadoopProcessors. readHadoopP(Permission permission,
           ConsumerEx<org.apache.hadoop.conf.Configuration> configureFn,
           BiFunctionEx<K,V,R> projectionFn)Returns a supplier of processors for  FileSources.files(String). | 
| Modifier and Type | Method and Description | 
|---|---|
| ConsumerEx<? super C> | ServiceFactory. destroyContextFn()Returns the function that destroys the shared context object at the end
 of the Jet job. | 
| ConsumerEx<? super S> | ServiceFactory. destroyServiceFn()Returns the function that destroys the service object at the end of the
 Jet job. | 
| Modifier and Type | Method and Description | 
|---|---|
| SinkBuilder<C,T> | SinkBuilder. destroyFn(ConsumerEx<? super C> destroyFn)Sets the function that will destroy the context object and perform any
 cleanup. | 
| SourceBuilder.Batch<T> | SourceBuilder.Batch. destroyFn(ConsumerEx<? super C> destroyFn) | 
| SourceBuilder.Stream<T> | SourceBuilder.Stream. destroyFn(ConsumerEx<? super C> pDestroyFn) | 
| SourceBuilder.TimestampedStream<T> | SourceBuilder.TimestampedStream. destroyFn(ConsumerEx<? super C> pDestroyFn) | 
| SinkBuilder<C,T> | SinkBuilder. flushFn(ConsumerEx<? super C> flushFn)Sets the function that implements the sink's flushing behavior. | 
| static <S> ServiceFactory<?,S> | ServiceFactories. nonSharedService(FunctionEx<? super Processor.Context,? extends S> createServiceFn,
                ConsumerEx<? super S> destroyServiceFn)Returns a  ServiceFactorywhich creates a separate service
 instance for each parallel Jet processor. | 
| static <S> ServiceFactory<?,S> | ServiceFactories. sharedService(FunctionEx<? super ProcessorSupplier.Context,S> createServiceFn,
             ConsumerEx<S> destroyServiceFn)Returns a  ServiceFactorywhich will provide a single shared
 service object per cluster member. | 
| ServiceFactory<C,S> | ServiceFactory. withDestroyContextFn(ConsumerEx<? super C> destroyContextFn)Returns a copy of this  ServiceFactorywith thedestroyContextfunction replaced with the given function. | 
| ServiceFactory<C,S> | ServiceFactory. withDestroyServiceFn(ConsumerEx<? super S> destroyServiceFn)Returns a copy of this  ServiceFactorywith thedestroyServicefunction replaced with the given function. | 
| Modifier and Type | Method and Description | 
|---|---|
| static <T> Sink<T> | AssertionSinks. assertCollected(ConsumerEx<? super List<T>> assertFn)Collects all the received items in a list and once the upstream stage is
 completed it executes the assertion supplied by  assertFn. | 
| static <T> FunctionEx<BatchStage<T>,BatchStage<T>> | Assertions. assertCollected(ConsumerEx<? super List<T>> assertFn)Collects all the received items in a list and once the upstream stage is
 completed, it executes the assertion supplied by  assertFn. | 
| static <T> Sink<T> | AssertionSinks. assertCollectedEventually(int timeoutSeconds,
                         ConsumerEx<? super List<T>> assertFn)Collects all the received items into a list and runs the  assertFnevery time a new item is received. | 
| static <T> FunctionEx<StreamStage<T>,StreamStage<T>> | Assertions. assertCollectedEventually(int timeout,
                         ConsumerEx<? super List<T>> assertFn)Collects all the received items into a list and runs the  assertFnevery time a new item is received. | 
| AssertionSinkBuilder<S,T> | AssertionSinkBuilder. completeFn(ConsumerEx<? super S> completeFn)Sets the function that will be called after all the upstream stages have
 completed and all the items were received. | 
| AssertionSinkBuilder<S,T> | AssertionSinkBuilder. timerFn(ConsumerEx<? super S> timerFn)Sets the function that will be called periodically. | 
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