Uses of Interface
com.hazelcast.function.FunctionEx

Packages that use FunctionEx

Package	Description
com.hazelcast.function	Serializable and exception-declaring variants of functional interfaces from java.util.function.
com.hazelcast.jet	Hazelcast Jet is a distributed computation engine running on top of Hazelcast IMDG technology.
com.hazelcast.jet.aggregate	Contains AggregateOperation and several its variants, as well as a builder object for the aggregate operations.
com.hazelcast.jet.core	Jet's Core API.
com.hazelcast.jet.core.processor	Contains static utility classes with factories of Jet processors.
com.hazelcast.jet.grpc	Contributes gRPC service factories that can be to apply transformations to a pipeline which for each input item calls to a gRPC service.
com.hazelcast.jet.hadoop	Apache Hadoop read/write support for Hazelcast Jet.
com.hazelcast.jet.kafka	Apache Kafka reader/writer 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.
com.hazelcast.jet.python	Contributes a PythonTransforms.mapUsingPython(com.hazelcast.jet.python.PythonServiceConfig) transform that allows you to transform Jet pipeline data using a Python function.
com.hazelcast.jet.s3	AWS S3 read/write support for Hazelcast Jet.

Uses of FunctionEx in com.hazelcast.function

Methods in com.hazelcast.function that return FunctionEx

Modifier and Type	Method	Description
default <V> FunctionEx<T,V>	FunctionEx.andThen(FunctionEx<? super R,? extends V> after)	Serializable variant of java.util.function.Function#andThen(Function).
default <V> FunctionEx<V,R>	FunctionEx.compose(FunctionEx<? super V,? extends T> before)	Serializable variant of java.util.function.Function#compose(Function).
static <K> FunctionEx<Map.Entry<K,?>,K>	Functions.entryKey()	Returns a function that extracts the key of a Map.Entry.
static <V> FunctionEx<Map.Entry<?,V>,V>	Functions.entryValue()	Returns a function that extracts the value of a Map.Entry.
static <T> FunctionEx<T,T>	FunctionEx.identity()	Serializable variant of java.util.function.Function#identity().
static <T> FunctionEx<T,T>	Functions.wholeItem()	Synonym for identity(), to be used as a projection function (e.g., key extractor).

Methods in com.hazelcast.function with parameters of type FunctionEx

Modifier and Type	Method	Description
default <V> BiFunctionEx<T,U,V>	BiFunctionEx.andThen(FunctionEx<? super R,? extends V> after)	Serializable variant of java.util.function.BiFunction#andThen(Function).
default <V> FunctionEx<T,V>	FunctionEx.andThen(FunctionEx<? super R,? extends V> after)	Serializable variant of java.util.function.Function#andThen(Function).
static <T, U extends Comparable<? super U>> ComparatorEx<T>	ComparatorEx.comparing(FunctionEx<? super T,? extends U> toKeyFn)	Serializable variant of java.util.Comparator#comparing(Function).
static <T, U> ComparatorEx<T>	ComparatorEx.comparing(FunctionEx<? super T,? extends U> toKeyFn, ComparatorEx<? super U> keyComparator)	Serializable variant of java.util.Comparator#comparing(Function, Comparator).
default <V> FunctionEx<V,R>	FunctionEx.compose(FunctionEx<? super V,? extends T> before)	Serializable variant of java.util.function.Function#compose(Function).
default <U extends Comparable<? super U>> ComparatorEx<T>	ComparatorEx.thenComparing(FunctionEx<? super T,? extends U> toKeyFn)	Serializable variant of java.util.Comparator#thenComparing(Function).
default <U> ComparatorEx<T>	ComparatorEx.thenComparing(FunctionEx<? super T,? extends U> toKeyFn, ComparatorEx<? super U> keyComparator)	Serializable variant of java.util.Comparator#thenComparing(Function, Comparator).

Uses of FunctionEx in com.hazelcast.jet

Methods in com.hazelcast.jet that return FunctionEx

Modifier and Type	Method	Description
static <K, V> FunctionEx<EventJournalCacheEvent<K,V>,V>	Util.cacheEventNewValue()	Returns a projection that extracts the new value from an EventJournalCacheEvent.
static <K, V> FunctionEx<EventJournalCacheEvent<K,V>,Map.Entry<K,V>>	Util.cacheEventToEntry()	Returns a projection that converts the EventJournalCacheEvent to a Map.Entry using the event's new value as a value.
static <K, V> FunctionEx<EventJournalMapEvent<K,V>,V>	Util.mapEventNewValue()	Returns a projection that extracts the new value from an EventJournalMapEvent.
static <K, V> FunctionEx<EventJournalMapEvent<K,V>,Map.Entry<K,V>>	Util.mapEventToEntry()	Returns a projection that converts the EventJournalMapEvent to a Map.Entry using the event's new value as a value.

Uses of FunctionEx in com.hazelcast.jet.aggregate

Methods in com.hazelcast.jet.aggregate that return FunctionEx

Modifier and Type	Method	Description
FunctionEx<? super A,? extends R>	AggregateOperation.exportFn()	A primitive that transforms the accumulator into a result of the aggregation.
default FunctionEx<? super A,? extends R>	AggregateOperation.finishFn()	A primitive that transforms the accumulator into a result of the aggregation.

Methods in com.hazelcast.jet.aggregate with parameters of type FunctionEx

Modifier and Type	Method	Description
<R_NEW> AggregateOperationBuilder.Arity1<T0,A,R_NEW>	AggregateOperationBuilder.Arity1.andExport(FunctionEx<? super A,? extends R_NEW> exportFn)	Registers the export primitive.
<R_NEW> AggregateOperationBuilder.Arity2<T0,T1,A,R_NEW>	AggregateOperationBuilder.Arity2.andExport(FunctionEx<? super A,? extends R_NEW> exportFn)	Registers the export primitive.
<R_NEW> AggregateOperationBuilder.Arity3<T0,T1,T2,A,R_NEW>	AggregateOperationBuilder.Arity3.andExport(FunctionEx<? super A,? extends R_NEW> exportFn)	Registers the export primitive.
<R_NEW> AggregateOperationBuilder.VarArity<A,R_NEW>	AggregateOperationBuilder.VarArity.andExport(FunctionEx<? super A,? extends R_NEW> exportFn)	Registers the export primitive.
<R_NEW> AggregateOperation1<T0,A,R_NEW>	AggregateOperationBuilder.Arity1.andExportFinish(FunctionEx<? super A,? extends R_NEW> exportFinishFn)	Registers the supplied function as both the export and finish primitive.
<R_NEW> AggregateOperation2<T0,T1,A,R_NEW>	AggregateOperationBuilder.Arity2.andExportFinish(FunctionEx<? super A,? extends R_NEW> exportFinishFn)	Registers the supplied function as both the export and finish primitive.
<R_NEW> AggregateOperation3<T0,T1,T2,A,R_NEW>	AggregateOperationBuilder.Arity3.andExportFinish(FunctionEx<? super A,? extends R_NEW> exportFinishFn)	Registers the supplied function as both the export and finish primitive.
<R_NEW> AggregateOperation<A,R_NEW>	AggregateOperationBuilder.VarArity.andExportFinish(FunctionEx<? super A,? extends R_NEW> exportFinishFn)	Registers the supplied function as both the export and finish primitive.
AggregateOperation1<T0,A,R>	AggregateOperationBuilder.Arity1.andFinish(FunctionEx<? super A,? extends R> finishFn)	Registers the supplied function as the finish primitive.
AggregateOperation2<T0,T1,A,R>	AggregateOperationBuilder.Arity2.andFinish(FunctionEx<? super A,? extends R> finishFn)	Registers the supplied function as the finish primitive.
AggregateOperation3<T0,T1,T2,A,R>	AggregateOperationBuilder.Arity3.andFinish(FunctionEx<? super A,? extends R> finishFn)	Registers the supplied function as the finish primitive.
AggregateOperation<A,R>	AggregateOperationBuilder.VarArity.andFinish(FunctionEx<? super A,? extends R> finishFn)	Registers the supplied function as the finish primitive.
<R_NEW> AggregateOperation<A,R_NEW>	AggregateOperation.andThen(FunctionEx<? super R,? extends R_NEW> thenFn)	Returns a copy of this aggregate operation, but with the export and finish primitives composed with the supplied thenFn.
<R_NEW> AggregateOperation1<T,A,R_NEW>	AggregateOperation1.andThen(FunctionEx<? super R,? extends R_NEW> thenFn)
<R_NEW> AggregateOperation2<T0,T1,A,R_NEW>	AggregateOperation2.andThen(FunctionEx<? super R,? extends R_NEW> thenFn)
<R_NEW> AggregateOperation3<T0,T1,T2,A,R_NEW>	AggregateOperation3.andThen(FunctionEx<? super R,? extends R_NEW> thenFn)
<R> AggregateOperation1<T,Object[],R>	AllOfAggregationBuilder.build(FunctionEx<ItemsByTag,R> exportFinishFn)	Builds and returns the composite AggregateOperation1.
<R> AggregateOperation<Object[],R>	CoAggregateOperationBuilder.build(FunctionEx<? super ItemsByTag,? extends R> exportFinishFn)	Builds and returns the multi-input AggregateOperation.
static <T, U, A, R> AggregateOperation1<T,A,R>	AggregateOperations.flatMapping(FunctionEx<? super T,? extends Traverser<? extends U>> flatMapFn, AggregateOperation1<? super U,A,? extends R> downstream)	Adapts an aggregate operation that takes items of type U to one that takes items of type T, by exploding each T into a sequence of Us and then accumulating all of them.
static <T, K> AggregateOperation1<T,Map<K,List<T>>,Map<K,List<T>>>	AggregateOperations.groupingBy(FunctionEx<? super T,? extends K> keyFn)	Returns an aggregate operation that accumulates the items into a HashMap where the key is the result of applying keyFn and the value is a list of the items with that key.
static <T, K, R, A, M extends Map<K, R>> AggregateOperation1<T,Map<K,A>,M>	AggregateOperations.groupingBy(FunctionEx<? super T,? extends K> keyFn, SupplierEx<M> createMapFn, AggregateOperation1<? super T,A,R> downstream)	Returns an AggregateOperation1 that accumulates the items into a Map (as obtained from createMapFn) where the key is the result of applying keyFn and the value is the result of applying the downstream aggregate operation to the items with that key.
static <T, K, A, R> AggregateOperation1<T,Map<K,A>,Map<K,R>>	AggregateOperations.groupingBy(FunctionEx<? super T,? extends K> keyFn, AggregateOperation1<? super T,A,R> downstream)	Returns an aggregate operation that accumulates the items into a HashMap where the key is the result of applying keyFn and the value is the result of applying the downstream aggregate operation to the items with that key.
static <T, U, A, R> AggregateOperation1<T,A,R>	AggregateOperations.mapping(FunctionEx<? super T,? extends U> mapFn, AggregateOperation1<? super U,A,? extends R> downstream)	Adapts an aggregate operation that takes items of type U to one that takes items of type T, by applying the given mapping function to each item.
static <T, A> AggregateOperation1<T,MutableReference<A>,A>	AggregateOperations.reducing(A emptyAccValue, FunctionEx<? super T,? extends A> toAccValueFn, BinaryOperatorEx<A> combineAccValuesFn, BinaryOperatorEx<A> deductAccValueFn)	Returns an aggregate operation that constructs the result through the process of immutable reduction: The initial accumulated value is emptyAccValue.
static <T, K, U> AggregateOperation1<T,Map<K,U>,Map<K,U>>	AggregateOperations.toMap(FunctionEx<? super T,? extends K> keyFn, FunctionEx<? super T,? extends U> valueFn)	Returns an aggregate operation that accumulates the items into a HashMap whose keys and values are the result of applying the provided mapping functions.
static <T, K, U> AggregateOperation1<T,Map<K,U>,Map<K,U>>	AggregateOperations.toMap(FunctionEx<? super T,? extends K> keyFn, FunctionEx<? super T,? extends U> valueFn, BinaryOperatorEx<U> mergeFn)	Returns an aggregate operation that accumulates the items into a HashMap whose keys and values are the result of applying the provided mapping functions.
static <T, K, U, M extends Map<K, U>> AggregateOperation1<T,M,M>	AggregateOperations.toMap(FunctionEx<? super T,? extends K> keyFn, FunctionEx<? super T,? extends U> valueFn, BinaryOperatorEx<U> mergeFn, SupplierEx<M> createMapFn)	Returns an aggregate operation that accumulates elements into a user-supplied Map instance.
default <T> AggregateOperation1<T,A,R>	AggregateOperation.withCombiningAccumulateFn(FunctionEx<T,A> getAccFn)	Returns a copy of this aggregate operation, but with the accumulate primitive replaced with one that expects to find accumulator objects in the input items and combines them all into a single accumulator of the same type.

Uses of FunctionEx in com.hazelcast.jet.core

Methods in com.hazelcast.jet.core with parameters of type FunctionEx

Modifier and Type	Method	Description
static ProcessorMetaSupplier	ProcessorMetaSupplier.of(int preferredLocalParallelism, FunctionEx<? super Address,? extends ProcessorSupplier> addressToSupplier)	Factory method that creates a ProcessorMetaSupplier from the supplied function that maps a cluster member address to a ProcessorSupplier.
static ProcessorMetaSupplier	ProcessorMetaSupplier.of(FunctionEx<? super Address,? extends ProcessorSupplier> addressToSupplier)	Factory method that creates a ProcessorMetaSupplier from the supplied function that maps a cluster member address to a ProcessorSupplier.
<T> Edge	Edge.partitioned(FunctionEx<T,?> extractKeyFn)	Activates the PARTITIONED routing policy and applies the default Hazelcast partitioning strategy.
<T, K> Edge	Edge.partitioned(FunctionEx<T,K> extractKeyFn, Partitioner<? super K> partitioner)	Activates the PARTITIONED routing policy and applies the provided partitioning strategy.

Uses of FunctionEx in com.hazelcast.jet.core.processor

Methods in com.hazelcast.jet.core.processor with parameters of type FunctionEx

Modifier and Type	Method	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)	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 <T, R> SupplierEx<Processor>	Processors.flatMapP(FunctionEx<? super T,? extends Traverser<? extends R>> flatMapFn)	Returns a supplier of processors for a vertex that applies the provided item-to-traverser mapping function to each received item and emits all the items from the resulting traverser.
static <T, K, S, R> SupplierEx<Processor>	Processors.flatMapStatefulP(long ttl, FunctionEx<? super T,? extends K> keyFn, ToLongFunctionEx<? super T> timestampFn, Supplier<? extends S> createFn, TriFunction<? super S,? super K,? super T,? extends Traverser<R>> statefulFlatMapFn, TriFunction<? super S,? super K,? super Long,? extends Traverser<R>> onEvictFn)	Returns a supplier of processors for a vertex that performs a stateful flat-mapping of its input.
static <T, R> SupplierEx<Processor>	Processors.mapP(FunctionEx<? super T,? extends R> mapFn)	Returns a supplier of processors for a vertex which, for each received item, emits the result of applying the given mapping function to it.
static <T, K, S, R> SupplierEx<Processor>	Processors.mapStatefulP(long ttl, FunctionEx<? super T,? extends K> keyFn, ToLongFunctionEx<? super T> timestampFn, Supplier<? extends S> createFn, TriFunction<? super S,? super K,? super T,? extends R> statefulMapFn, TriFunction<? super S,? super K,? super Long,? extends R> onEvictFn)	Returns a supplier of processors for a vertex that performs a stateful mapping of its input.
static <C, S, T, K, R> ProcessorSupplier	Processors.mapUsingServiceAsyncP(ServiceFactory<C,S> serviceFactory, int maxConcurrentOps, boolean preserveOrder, FunctionEx<T,K> extractKeyFn, BiFunctionEx<? super S,? super T,CompletableFuture<R>> mapAsyncFn)	Asynchronous version of Processors.mapUsingServiceP(com.hazelcast.jet.pipeline.ServiceFactory<C, S>, com.hazelcast.function.BiFunctionEx<? super S, ? super T, ? extends R>): the mapAsyncFn returns a CompletableFuture<R> instead of just R.
static <T, K, V> ProcessorMetaSupplier	SinkProcessors.mergeMapP(String mapName, FunctionEx<? super T,? extends K> toKeyFn, FunctionEx<? super T,? extends V> toValueFn, BinaryOperatorEx<V> mergeFn)	Returns a supplier of processors for Sinks.mapWithMerging(String, FunctionEx, FunctionEx, BinaryOperatorEx).
static <T, K, V> ProcessorMetaSupplier	SinkProcessors.mergeRemoteMapP(String mapName, ClientConfig clientConfig, FunctionEx<? super T,? extends K> toKeyFn, FunctionEx<? super T,? extends V> toValueFn, BinaryOperatorEx<V> mergeFn)	Returns a supplier of processors for Sinks.remoteMapWithMerging(String, ClientConfig, FunctionEx, FunctionEx, BinaryOperatorEx).
static <T> SupplierEx<Processor>	DiagnosticProcessors.peekInputP(FunctionEx<T,? extends CharSequence> toStringFn, PredicateEx<T> shouldLogFn, SupplierEx<Processor> wrapped)	Same as peekInput(toStringFn, shouldLogFn, metaSupplier), but accepts a SupplierEx of processors instead of a meta-supplier.
static <T> ProcessorMetaSupplier	DiagnosticProcessors.peekInputP(FunctionEx<T,? extends CharSequence> toStringFn, PredicateEx<T> shouldLogFn, ProcessorMetaSupplier wrapped)	Returns a meta-supplier that wraps the provided one and adds a logging layer to each processor it creates.
static <T> ProcessorSupplier	DiagnosticProcessors.peekInputP(FunctionEx<T,? extends CharSequence> toStringFn, PredicateEx<T> shouldLogFn, ProcessorSupplier wrapped)	Same as peekInput(toStringFn, shouldLogFn, metaSupplier), but accepts a ProcessorSupplier instead of a meta-supplier.
static <T> SupplierEx<Processor>	DiagnosticProcessors.peekOutputP(FunctionEx<? super T,? extends CharSequence> toStringFn, PredicateEx<? super T> shouldLogFn, SupplierEx<Processor> wrapped)	Same as peekOutput(toStringFn, shouldLogFn, metaSupplier), but accepts a SupplierEx of processors instead of a meta-supplier.
static <T> ProcessorMetaSupplier	DiagnosticProcessors.peekOutputP(FunctionEx<? super T,? extends CharSequence> toStringFn, PredicateEx<? super T> shouldLogFn, ProcessorMetaSupplier wrapped)	Returns a meta-supplier that wraps the provided one and adds a logging layer to each processor it creates.
static <T> ProcessorSupplier	DiagnosticProcessors.peekOutputP(FunctionEx<? super T,? extends CharSequence> toStringFn, PredicateEx<? super T> shouldLogFn, ProcessorSupplier wrapped)	Same as peekOutput(toStringFn, shouldLogFn, metaSupplier), but accepts a ProcessorSupplier instead of a meta-supplier.
static <K, V> SupplierEx<Processor>	DiagnosticProcessors.peekSnapshotP(FunctionEx<? super Map.Entry<K,V>,? extends CharSequence> toStringFn, PredicateEx<? super Map.Entry<K,V>> shouldLogFn, SupplierEx<Processor> wrapped)	Same as peekSnapshot(toStringFn, shouldLogFn, metaSupplier), but accepts a SupplierEx of processors instead of a meta-supplier.
static <K, V> ProcessorMetaSupplier	DiagnosticProcessors.peekSnapshotP(FunctionEx<? super Map.Entry<K,V>,? extends CharSequence> toStringFn, PredicateEx<? super Map.Entry<K,V>> shouldLogFn, ProcessorMetaSupplier wrapped)	Returns a meta-supplier that wraps the provided one and adds a logging layer to each processor it creates.
static <K, V> ProcessorSupplier	DiagnosticProcessors.peekSnapshotP(FunctionEx<? super Map.Entry<K,V>,? extends CharSequence> toStringFn, PredicateEx<? super Map.Entry<K,V>> shouldLogFn, ProcessorSupplier wrapped)	Same as peekSnapshot(toStringFn, shouldLogFn, metaSupplier), but accepts a ProcessorSupplier instead of a meta-supplier.
static <I> ProcessorMetaSupplier	SourceProcessors.readFilesP(String directory, String glob, boolean sharedFileSystem, FunctionEx<? super Path,? extends Stream<I>> readFileFn)	Returns a supplier of processors for Sources.filesBuilder(java.lang.String).
static <T> ProcessorMetaSupplier	SourceProcessors.readJdbcP(SupplierEx<? extends Connection> newConnectionFn, ToResultSetFunction resultSetFn, FunctionEx<? super ResultSet,? extends T> mapOutputFn)	Returns a supplier of processors for Sources.jdbc( SupplierEx, ToResultSetFunction, FunctionEx).
static <T> ProcessorMetaSupplier	SourceProcessors.readJdbcP(String connectionURL, String query, FunctionEx<? super ResultSet,? extends T> mapOutputFn)	Returns a supplier of processors for Sources.jdbc(String, String, FunctionEx).
static <T, K, V> ProcessorMetaSupplier	SourceProcessors.streamCacheP(String cacheName, PredicateEx<? super EventJournalCacheEvent<K,V>> predicateFn, FunctionEx<? super EventJournalCacheEvent<K,V>,? extends T> projectionFn, JournalInitialPosition initialPos, EventTimePolicy<? super T> eventTimePolicy)	Returns a supplier of processors for Sources.cacheJournal(String, JournalInitialPosition, FunctionEx, PredicateEx).
static <T> ProcessorMetaSupplier	SourceProcessors.streamJmsQueueP(SupplierEx<? extends javax.jms.Connection> newConnectionFn, FunctionEx<? super javax.jms.Session,? extends javax.jms.MessageConsumer> consumerFn, FunctionEx<? super javax.jms.Message,?> messageIdFn, FunctionEx<? super javax.jms.Message,? extends T> projectionFn, EventTimePolicy<? super T> eventTimePolicy, ProcessingGuarantee maxGuarantee)	Returns a supplier of processors for Sources.jmsQueueBuilder(com.hazelcast.function.SupplierEx<? extends javax.jms.ConnectionFactory>).
static <T> ProcessorMetaSupplier	SourceProcessors.streamJmsTopicP(SupplierEx<? extends javax.jms.Connection> newConnectionFn, FunctionEx<? super javax.jms.Session,? extends javax.jms.MessageConsumer> consumerFn, boolean isSharedConsumer, FunctionEx<? super javax.jms.Message,?> messageIdFn, FunctionEx<? super javax.jms.Message,? extends T> projectionFn, EventTimePolicy<? super T> eventTimePolicy, ProcessingGuarantee maxGuarantee)	Returns a supplier of processors for Sources.jmsTopicBuilder(com.hazelcast.function.SupplierEx<? extends javax.jms.ConnectionFactory>).
static <T, K, V> ProcessorMetaSupplier	SourceProcessors.streamMapP(String mapName, PredicateEx<? super EventJournalMapEvent<K,V>> predicateFn, FunctionEx<? super EventJournalMapEvent<K,V>,? extends T> projectionFn, JournalInitialPosition initialPos, EventTimePolicy<? super T> eventTimePolicy)	Returns a supplier of processors for Sources.mapJournal(String, JournalInitialPosition, FunctionEx, PredicateEx).
static <T, K, V> ProcessorMetaSupplier	SourceProcessors.streamRemoteCacheP(String cacheName, ClientConfig clientConfig, PredicateEx<? super EventJournalCacheEvent<K,V>> predicateFn, FunctionEx<? super EventJournalCacheEvent<K,V>,? extends T> projectionFn, JournalInitialPosition initialPos, EventTimePolicy<? super T> eventTimePolicy)	Returns a supplier of processors for Sources.remoteCacheJournal(String, ClientConfig, JournalInitialPosition, FunctionEx, PredicateEx).
static <T, K, V> ProcessorMetaSupplier	SourceProcessors.streamRemoteMapP(String mapName, ClientConfig clientConfig, PredicateEx<? super EventJournalMapEvent<K,V>> predicateFn, FunctionEx<? super EventJournalMapEvent<K,V>,? extends T> projectionFn, JournalInitialPosition initialPos, EventTimePolicy<? super T> eventTimePolicy)	Returns a supplier of processors for Sources.remoteMapJournal(String, ClientConfig, JournalInitialPosition, FunctionEx, PredicateEx).
static <T, K, V> ProcessorMetaSupplier	SinkProcessors.updateMapP(String mapName, FunctionEx<? super T,? extends K> toKeyFn, BiFunctionEx<? super V,? super T,? extends V> updateFn)	Returns a supplier of processors for Sinks.mapWithEntryProcessor(String, FunctionEx, FunctionEx) .
static <T, K, V, R> ProcessorMetaSupplier	SinkProcessors.updateMapP(String mapName, FunctionEx<? super T,? extends K> toKeyFn, FunctionEx<? super T,? extends EntryProcessor<K,V,R>> toEntryProcessorFn)	Returns a supplier of processors for Sinks.mapWithEntryProcessor(String, FunctionEx, FunctionEx).
static <T, K, V> ProcessorMetaSupplier	SinkProcessors.updateRemoteMapP(String mapName, ClientConfig clientConfig, FunctionEx<? super T,? extends K> toKeyFn, BiFunctionEx<? super V,? super T,? extends V> updateFn)	Returns a supplier of processors for Sinks.remoteMapWithUpdating(String, ClientConfig, FunctionEx , BiFunctionEx).
static <T, K, V, R> ProcessorMetaSupplier	SinkProcessors.updateRemoteMapP(String mapName, ClientConfig clientConfig, FunctionEx<? super T,? extends K> toKeyFn, FunctionEx<? super T,? extends EntryProcessor<K,V,R>> toEntryProcessorFn)	Returns a supplier of processors for Sinks.remoteMapWithEntryProcessor(String, ClientConfig, FunctionEx, FunctionEx).
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-op destroyFn.
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 <T> ProcessorMetaSupplier	SinkProcessors.writeFileP(String directoryName, Charset charset, String datePattern, long maxFileSize, boolean exactlyOnce, FunctionEx<? super T,? extends String> toStringFn)	Returns a supplier of processors for Sinks.filesBuilder(java.lang.String).
static <T> ProcessorMetaSupplier	DiagnosticProcessors.writeLoggerP(FunctionEx<T,? extends CharSequence> toStringFn)	Returns a meta-supplier of processors for a sink vertex that logs all the data items it receives.
static <T> ProcessorMetaSupplier	SinkProcessors.writeSocketP(String host, int port, FunctionEx<? super T,? extends String> toStringFn, Charset charset)	Returns a supplier of processors for Sinks.socket(String, int).

Method parameters in com.hazelcast.jet.core.processor with type arguments of type FunctionEx

Modifier and Type	Method	Description
static <K, A> SupplierEx<Processor>	Processors.accumulateByFrameP(List<FunctionEx<?,? extends K>> keyFns, List<ToLongFunctionEx<?>> timestampFns, TimestampKind timestampKind, SlidingWindowPolicy winPolicy, AggregateOperation<A,?> aggrOp)	Returns a supplier of processors for the first-stage vertex in a two-stage sliding window aggregation setup (see the class Javadoc for an explanation of aggregation stages).
static <K, A> SupplierEx<Processor>	Processors.accumulateByKeyP(List<FunctionEx<?,? extends K>> getKeyFns, AggregateOperation<A,?> aggrOp)	Returns a supplier of processors for the first-stage vertex in a two-stage group-and-aggregate setup.
static <K, A, R, OUT> SupplierEx<Processor>	Processors.aggregateByKeyP(List<FunctionEx<?,? extends K>> keyFns, AggregateOperation<A,R> aggrOp, BiFunctionEx<? super K,? super R,OUT> mapToOutputFn)	Returns a supplier of processors for a vertex that groups items by key and performs the provided aggregate operation on each group.
static <K, A, R, OUT> SupplierEx<Processor>	Processors.aggregateToSlidingWindowP(List<FunctionEx<?,? extends K>> keyFns, List<ToLongFunctionEx<?>> timestampFns, TimestampKind timestampKind, SlidingWindowPolicy winPolicy, long earlyResultsPeriod, AggregateOperation<A,? extends R> aggrOp, KeyedWindowResultFunction<? super K,? super R,? extends OUT> mapToOutputFn)	Returns a supplier of processors for a vertex that aggregates events into a sliding window in a single stage (see the class Javadoc for an explanation of aggregation stages).

Uses of FunctionEx in com.hazelcast.jet.grpc

Methods in com.hazelcast.jet.grpc with parameters of type FunctionEx

Modifier and Type	Method	Description
static <T, R> ServiceFactory<?,? extends GrpcService<T,R>>	GrpcServices.bidirectionalStreamingService(SupplierEx<? extends io.grpc.ManagedChannelBuilder<?>> channelFn, FunctionEx<? super io.grpc.ManagedChannel,? extends FunctionEx<io.grpc.stub.StreamObserver<R>,io.grpc.stub.StreamObserver<T>>> callStubFn)	Creates a ServiceFactory that calls out to a bidrectional streaming gRPC service.
static <T, R> ServiceFactory<?,? extends GrpcService<T,R>>	GrpcServices.unaryService(SupplierEx<? extends io.grpc.ManagedChannelBuilder<?>> channelFn, FunctionEx<? super io.grpc.ManagedChannel,? extends BiConsumerEx<T,io.grpc.stub.StreamObserver<R>>> callStubFn)	Creates a ServiceFactory that calls out to a unary gRPC service.

Method parameters in com.hazelcast.jet.grpc with type arguments of type FunctionEx

Modifier and Type	Method	Description
static <T, R> ServiceFactory<?,? extends GrpcService<T,R>>	GrpcServices.bidirectionalStreamingService(SupplierEx<? extends io.grpc.ManagedChannelBuilder<?>> channelFn, FunctionEx<? super io.grpc.ManagedChannel,? extends FunctionEx<io.grpc.stub.StreamObserver<R>,io.grpc.stub.StreamObserver<T>>> callStubFn)	Creates a ServiceFactory that calls out to a bidrectional streaming gRPC service.

Uses of FunctionEx in com.hazelcast.jet.hadoop

Methods in com.hazelcast.jet.hadoop with parameters of type FunctionEx

Modifier and Type	Method	Description
static <E, K, V> Sink<E>	HadoopSinks.outputFormat(org.apache.hadoop.conf.Configuration configuration, FunctionEx<? super E,K> extractKeyF, FunctionEx<? super E,V> extractValueF)	Returns a sink that writes to Apache Hadoop HDFS.
static <E, K, V> ProcessorMetaSupplier	HadoopProcessors.writeHadoopP(org.apache.hadoop.conf.Configuration configuration, FunctionEx<? super E,K> extractKeyFn, FunctionEx<? super E,V> extractValueFn)	Returns a supplier of processors for HadoopSinks.outputFormat(Configuration, FunctionEx, FunctionEx).

Uses of FunctionEx in com.hazelcast.jet.kafka

Methods in com.hazelcast.jet.kafka with parameters of type FunctionEx

Modifier and Type	Method	Description
KafkaSinks.Builder<E>	KafkaSinks.Builder.extractKeyFn(FunctionEx<? super E,?> extractKeyFn)	Sets the function to extract the key from the stream items.
KafkaSinks.Builder<E>	KafkaSinks.Builder.extractValueFn(FunctionEx<? super E,?> extractValueFn)	Sets the function to extract the value from the stream items.
static <E, K, V> Sink<E>	KafkaSinks.kafka(Properties properties, FunctionEx<? super E,org.apache.kafka.clients.producer.ProducerRecord<K,V>> toRecordFn)	Returns a sink that publishes messages to Apache Kafka topic(s).
static <E, K, V> Sink<E>	KafkaSinks.kafka(Properties properties, String topic, FunctionEx<? super E,K> extractKeyFn, FunctionEx<? super E,V> extractValueFn)	Convenience for KafkaSinks.kafka(Properties, FunctionEx) which creates a ProducerRecord using the given topic and the given key and value mapping functions
static <K, V, T> StreamSource<T>	KafkaSources.kafka(Properties properties, FunctionEx<org.apache.kafka.clients.consumer.ConsumerRecord<K,V>,T> projectionFn, String... topics)	Returns a source that consumes one or more Apache Kafka topics and emits items from them as Map.Entry instances.
static <K, V, T> ProcessorMetaSupplier	KafkaProcessors.streamKafkaP(Properties properties, FunctionEx<? super org.apache.kafka.clients.consumer.ConsumerRecord<K,V>,? extends T> projectionFn, EventTimePolicy<? super T> eventTimePolicy, String... topics)	Returns a supplier of processors for KafkaSources.kafka(Properties, FunctionEx, String...).
KafkaSinks.Builder<E>	KafkaSinks.Builder.toRecordFn(FunctionEx<? super E,? extends org.apache.kafka.clients.producer.ProducerRecord<?,?>> toRecordFn)	Sets the function to convert stream items into Kafka's ProducerRecord.
static <T, K, V> ProcessorMetaSupplier	KafkaProcessors.writeKafkaP(Properties properties, FunctionEx<? super T,? extends org.apache.kafka.clients.producer.ProducerRecord<K,V>> toRecordFn, boolean exactlyOnce)	Returns a supplier of processors for KafkaSinks.kafka(Properties, FunctionEx).
static <T, K, V> ProcessorMetaSupplier	KafkaProcessors.writeKafkaP(Properties properties, String topic, FunctionEx<? super T,? extends K> extractKeyFn, FunctionEx<? super T,? extends V> extractValueFn, boolean exactlyOnce)	Returns a supplier of processors for KafkaSinks.kafka(Properties, String, FunctionEx, FunctionEx).

Uses of FunctionEx in com.hazelcast.jet.pipeline

Methods in com.hazelcast.jet.pipeline that return FunctionEx

Modifier and Type	Method	Description
FunctionEx<? super ProcessorSupplier.Context,? extends C>	ServiceFactory.createContextFn()	Returns the function that creates the shared context object.
FunctionEx<? super T,? extends K>	GeneralStageWithKey.keyFn()	Returns the function that extracts the key from stream items.
FunctionEx<? super T,? extends K>	StageWithKeyAndWindow.keyFn()	Returns the function that extracts the grouping key from stream items.
FunctionEx<? super T0,? extends K>	JoinClause.leftKeyFn()	Returns the left-hand key extractor function.
FunctionEx<? super T1,? extends K>	JoinClause.rightKeyFn()	Returns the right-hand key extractor function.
FunctionEx<? super T1,? extends T1_OUT>	JoinClause.rightProjectFn()	Returns the right-hand projection function.

Methods in com.hazelcast.jet.pipeline with parameters of type FunctionEx

Modifier and Type	Method	Description
default <R> BatchStage<R>	BatchStage.apply(FunctionEx<? super BatchStage<T>,? extends BatchStage<R>> transformFn)	Transforms this stage using the provided transformFn and returns the transformed stage.
default <R> StreamStage<R>	StreamStage.apply(FunctionEx<? super StreamStage<T>,? extends StreamStage<R>> transformFn)	Transforms this stage using the provided transformFn and returns the transformed stage.
static <C> SourceBuilder.Batch<Void>	SourceBuilder.batch(String name, FunctionEx<? super Processor.Context,? extends C> createFn)	Returns a fluent-API builder with which you can create a batch source for a Jet pipeline.
<R> BatchStage<R>	AggregateBuilder.build(FunctionEx<? super ItemsByTag,? extends R> finishFn)	Creates and returns a pipeline stage that performs the co-aggregation of the stages registered with this builder object.
<T> BatchSource<T>	FileSourceBuilder.build(FunctionEx<? super Path,? extends Stream<T>> readFileFn)	Builds a custom file BatchSource with supplied components.
<T> StreamSource<T>	JmsSourceBuilder.build(FunctionEx<? super javax.jms.Message,? extends T> projectionFn)	Creates and returns the JMS StreamSource with the supplied components and the projection function projectionFn.
static <T, K, V> StreamSource<T>	Sources.cacheJournal(String cacheName, JournalInitialPosition initialPos, FunctionEx<? super EventJournalCacheEvent<K,V>,? extends T> projectionFn, PredicateEx<? super EventJournalCacheEvent<K,V>> predicateFn)	Returns a source that will stream the EventJournalCacheEvent events of a Hazelcast ICache with the specified name.
JmsSinkBuilder<T>	JmsSinkBuilder.connectionFn(FunctionEx<javax.jms.ConnectionFactory,javax.jms.Connection> connectionFn)	Sets the function which creates a connection given a connection factory.
JmsSourceBuilder	JmsSourceBuilder.connectionFn(FunctionEx<? super javax.jms.ConnectionFactory,? extends javax.jms.Connection> connectionFn)	Sets the function which creates the connection using the connection factory.
JmsSourceBuilder	JmsSourceBuilder.consumerFn(FunctionEx<? super javax.jms.Session,? extends javax.jms.MessageConsumer> consumerFn)	Sets the function which creates the message consumer from session.
<S> SourceBuilder.FaultTolerant<SourceBuilder.Stream<T>,S>	SourceBuilder.Stream.createSnapshotFn(FunctionEx<? super C,? extends S> createSnapshotFn)
<S> SourceBuilder.FaultTolerant<SourceBuilder.TimestampedStream<T>,S>	SourceBuilder.TimestampedStream.createSnapshotFn(FunctionEx<? super C,? extends S> createSnapshotFn)
<R> BatchStage<R>	BatchStage.flatMap(FunctionEx<? super T,? extends Traverser<R>> flatMapFn)
<R> GeneralStage<R>	GeneralStage.flatMap(FunctionEx<? super T,? extends Traverser<R>> flatMapFn)	Attaches a flat-mapping stage which applies the supplied function to each input item independently and emits all the items from the Traverser it returns.
<R> StreamStage<R>	StreamStage.flatMap(FunctionEx<? super T,? extends Traverser<R>> flatMapFn)
<K> BatchStageWithKey<T,K>	BatchStage.groupingKey(FunctionEx<? super T,? extends K> keyFn)	Specifies the function that will extract a key from the items in the associated pipeline stage.
<K> GeneralStageWithKey<T,K>	GeneralStage.groupingKey(FunctionEx<? super T,? extends K> keyFn)	Specifies the function that will extract a key from the items in the associated pipeline stage.
<K> StageWithKeyAndWindow<T,K>	StageWithWindow.groupingKey(FunctionEx<? super T,? extends K> keyFn)	Specifies the function that will extract the grouping key from the items in the associated pipeline stage and moves on to the step in which you'll complete the construction of a windowed group-and-aggregate stage.
<K> StreamStageWithKey<T,K>	StreamStage.groupingKey(FunctionEx<? super T,? extends K> keyFn)
static <T> BatchSource<T>	Sources.jdbc(SupplierEx<? extends Connection> newConnectionFn, ToResultSetFunction resultSetFn, FunctionEx<? super ResultSet,? extends T> createOutputFn)	Returns a source which connects to the specified database using the given newConnectionFn, queries the database and creates a result set using the the given resultSetFn.
static <T> BatchSource<T>	Sources.jdbc(String connectionURL, String query, FunctionEx<? super ResultSet,? extends T> createOutputFn)	Convenience for Sources.jdbc(SupplierEx, ToResultSetFunction, FunctionEx).
static <K, T0, T1_OUT> JoinClause<K,T0,Map.Entry<K,T1_OUT>,T1_OUT>	JoinClause.joinMapEntries(FunctionEx<? super T0,? extends K> leftKeyFn)	A shorthand factory for the common case of hash-joining with a stream of map entries.
static <T> Sink<T>	Sinks.logger(FunctionEx<? super T,String> toStringFn)	Returns a sink that logs all the data items it receives, at the INFO level to the log category WriteLoggerP.
<R> BatchStage<R>	BatchStage.map(FunctionEx<? super T,? extends R> mapFn)
<R> GeneralStage<R>	GeneralStage.map(FunctionEx<? super T,? extends R> mapFn)	Attaches a mapping stage which applies the given function to each input item independently and emits the function's result as the output item.
<R> StreamStage<R>	StreamStage.map(FunctionEx<? super T,? extends R> mapFn)
static <T, K, V> StreamSource<T>	Sources.mapJournal(IMap<? extends K,? extends V> map, JournalInitialPosition initialPos, FunctionEx<? super EventJournalMapEvent<K,V>,? extends T> projectionFn, PredicateEx<? super EventJournalMapEvent<K,V>> predicateFn)	Returns a source that will stream EventJournalMapEvents of the given Hazelcast IMap.
static <T, K, V> StreamSource<T>	Sources.mapJournal(String mapName, JournalInitialPosition initialPos, FunctionEx<? super EventJournalMapEvent<K,V>,? extends T> projectionFn, PredicateEx<? super EventJournalMapEvent<K,V>> predicateFn)	Returns a source that will stream EventJournalMapEvents of the Hazelcast IMap with the specified name.
default <K, V, R> BatchStage<R>	BatchStage.mapUsingIMap(IMap<K,V> iMap, FunctionEx<? super T,? extends K> lookupKeyFn, BiFunctionEx<? super T,? super V,? extends R> mapFn)
default <K, V, R> BatchStage<R>	BatchStage.mapUsingIMap(String mapName, FunctionEx<? super T,? extends K> lookupKeyFn, BiFunctionEx<? super T,? super V,? extends R> mapFn)
default <K, V, R> GeneralStage<R>	GeneralStage.mapUsingIMap(IMap<K,V> iMap, FunctionEx<? super T,? extends K> lookupKeyFn, BiFunctionEx<? super T,? super V,? extends R> mapFn)	Attaches a mapping stage where for each item a lookup in the supplied IMap is performed and the result of the lookup is merged with the item and emitted.
default <K, V, R> GeneralStage<R>	GeneralStage.mapUsingIMap(String mapName, FunctionEx<? super T,? extends K> lookupKeyFn, BiFunctionEx<? super T,? super V,? extends R> mapFn)	Attaches a mapping stage where for each item a lookup in the IMap with the supplied name is performed and the result of the lookup is merged with the item and emitted.
default <K, V, R> StreamStage<R>	StreamStage.mapUsingIMap(IMap<K,V> iMap, FunctionEx<? super T,? extends K> lookupKeyFn, BiFunctionEx<? super T,? super V,? extends R> mapFn)
default <K, V, R> StreamStage<R>	StreamStage.mapUsingIMap(String mapName, FunctionEx<? super T,? extends K> lookupKeyFn, BiFunctionEx<? super T,? super V,? extends R> mapFn)
default <K, V, R> BatchStage<R>	BatchStage.mapUsingReplicatedMap(ReplicatedMap<K,V> replicatedMap, FunctionEx<? super T,? extends K> lookupKeyFn, BiFunctionEx<? super T,? super V,? extends R> mapFn)
default <K, V, R> BatchStage<R>	BatchStage.mapUsingReplicatedMap(String mapName, FunctionEx<? super T,? extends K> lookupKeyFn, BiFunctionEx<? super T,? super V,? extends R> mapFn)
default <K, V, R> GeneralStage<R>	GeneralStage.mapUsingReplicatedMap(ReplicatedMap<K,V> replicatedMap, FunctionEx<? super T,? extends K> lookupKeyFn, BiFunctionEx<? super T,? super V,? extends R> mapFn)	Attaches a mapping stage where for each item a lookup in the supplied ReplicatedMap is performed and the result of the lookup is merged with the item and emitted.
default <K, V, R> GeneralStage<R>	GeneralStage.mapUsingReplicatedMap(String mapName, FunctionEx<? super T,? extends K> lookupKeyFn, BiFunctionEx<? super T,? super V,? extends R> mapFn)	Attaches a mapping stage where for each item a lookup in the ReplicatedMap with the supplied name is performed and the result of the lookup is merged with the item and emitted.
default <K, V, R> StreamStage<R>	StreamStage.mapUsingReplicatedMap(ReplicatedMap<K,V> replicatedMap, FunctionEx<? super T,? extends K> lookupKeyFn, BiFunctionEx<? super T,? super V,? extends R> mapFn)
default <K, V, R> StreamStage<R>	StreamStage.mapUsingReplicatedMap(String mapName, FunctionEx<? super T,? extends K> lookupKeyFn, BiFunctionEx<? super T,? super V,? extends R> mapFn)
static <T, K, V, R> Sink<T>	Sinks.mapWithEntryProcessor(IMap<? super K,? super V> map, FunctionEx<? super T,? extends K> toKeyFn, FunctionEx<? super T,? extends EntryProcessor<K,V,R>> toEntryProcessorFn)	Returns a sink that uses the items it receives to create EntryProcessors it submits to a Hazelcast IMap with the specified name.
static <E, K, V, R> Sink<E>	Sinks.mapWithEntryProcessor(String mapName, FunctionEx<? super E,? extends K> toKeyFn, FunctionEx<? super E,? extends EntryProcessor<K,V,R>> toEntryProcessorFn)	Returns a sink that uses the items it receives to create EntryProcessors it submits to a Hazelcast IMap with the specified name.
static <T, K, V> Sink<T>	Sinks.mapWithMerging(IMap<? super K,? super V> map, FunctionEx<? super T,? extends K> toKeyFn, FunctionEx<? super T,? extends V> toValueFn, BinaryOperatorEx<V> mergeFn)	Returns a sink that uses the supplied functions to extract the key and value with which to update a Hazelcast IMap.
static <T, K, V> Sink<T>	Sinks.mapWithMerging(String mapName, FunctionEx<? super T,? extends K> toKeyFn, FunctionEx<? super T,? extends V> toValueFn, BinaryOperatorEx<V> mergeFn)	Returns a sink that uses the supplied functions to extract the key and value with which to update a Hazelcast IMap.
static <T, K, V> Sink<T>	Sinks.mapWithUpdating(IMap<? super K,? super V> map, FunctionEx<? super T,? extends K> toKeyFn, BiFunctionEx<? super V,? super T,? extends V> updateFn)	Returns a sink that uses the supplied key-extracting and value-updating functions to update a Hazelcast IMap.
static <T, K, V> Sink<T>	Sinks.mapWithUpdating(String mapName, FunctionEx<? super T,? extends K> toKeyFn, BiFunctionEx<? super V,? super T,? extends V> updateFn)	Returns a sink that uses the supplied key-extracting and value-updating functions to update a Hazelcast IMap.
JmsSourceBuilder	JmsSourceBuilder.messageIdFn(FunctionEx<? super javax.jms.Message,?> messageIdFn)	Configures the function to extract IDs from the messages, if exactly-once guarantee is used.
static <S> ServiceFactory<?,S>	ServiceFactories.nonSharedService(FunctionEx<? super Processor.Context,? extends S> createServiceFn)	A variant of nonSharedService(createFn, destroyFn) with a no-op destroyFn.
static <S> ServiceFactory<?,S>	ServiceFactories.nonSharedService(FunctionEx<? super Processor.Context,? extends S> createServiceFn, ConsumerEx<? super S> destroyServiceFn)	Returns a ServiceFactory which creates a separate service instance for each parallel Jet processor.
static <K, T0, T1> JoinClause<K,T0,T1,T1>	JoinClause.onKeys(FunctionEx<? super T0,? extends K> leftKeyFn, FunctionEx<? super T1,? extends K> rightKeyFn)	Constructs and returns a join clause with the supplied left-hand and right-hand key extractor functions, and with an identity right-hand projection function.
default BatchStage<T>	BatchStage.peek(FunctionEx<? super T,? extends CharSequence> toStringFn)
BatchStage<T>	BatchStage.peek(PredicateEx<? super T> shouldLogFn, FunctionEx<? super T,? extends CharSequence> toStringFn)
default GeneralStage<T>	GeneralStage.peek(FunctionEx<? super T,? extends CharSequence> toStringFn)	Adds a peeking layer to this compute stage which logs its output.
GeneralStage<T>	GeneralStage.peek(PredicateEx<? super T> shouldLogFn, FunctionEx<? super T,? extends CharSequence> toStringFn)	Attaches a peeking stage which logs this stage's output and passes it through without transformation.
default StreamStage<T>	StreamStage.peek(FunctionEx<? super T,? extends CharSequence> toStringFn)
StreamStage<T>	StreamStage.peek(PredicateEx<? super T> shouldLogFn, FunctionEx<? super T,? extends CharSequence> toStringFn)
<T1_NEW_OUT> JoinClause<K,T0,T1,T1_NEW_OUT>	JoinClause.projecting(FunctionEx<? super T1,? extends T1_NEW_OUT> rightProjectFn)	Returns a copy of this join clause, but with the right-hand projection function replaced with the supplied one.
static <T, K, V> StreamSource<T>	Sources.remoteCacheJournal(String cacheName, ClientConfig clientConfig, JournalInitialPosition initialPos, FunctionEx<? super EventJournalCacheEvent<K,V>,? extends T> projectionFn, PredicateEx<? super EventJournalCacheEvent<K,V>> predicateFn)	Returns a source that will stream the EventJournalCacheEvent events of the Hazelcast ICache with the specified name from a remote cluster.
static <T, K, V> StreamSource<T>	Sources.remoteMapJournal(String mapName, ClientConfig clientConfig, JournalInitialPosition initialPos, FunctionEx<? super EventJournalMapEvent<K,V>,? extends T> projectionFn, PredicateEx<? super EventJournalMapEvent<K,V>> predicateFn)	Returns a source that will stream the EventJournalMapEvent events of the Hazelcast IMap with the specified name from a remote cluster.
static <E, K, V, R> Sink<E>	Sinks.remoteMapWithEntryProcessor(String mapName, ClientConfig clientConfig, FunctionEx<? super E,? extends K> toKeyFn, FunctionEx<? super E,? extends EntryProcessor<K,V,R>> toEntryProcessorFn)	Returns a sink equivalent to Sinks.mapWithEntryProcessor(java.lang.String, com.hazelcast.function.FunctionEx<? super E, ? extends K>, com.hazelcast.function.FunctionEx<? super E, ? extends com.hazelcast.map.EntryProcessor<K, V, R>>), but for a map in a remote Hazelcast cluster identified by the supplied ClientConfig.
static <T, K, V> Sink<T>	Sinks.remoteMapWithMerging(String mapName, ClientConfig clientConfig, FunctionEx<? super T,? extends K> toKeyFn, FunctionEx<? super T,? extends V> toValueFn, BinaryOperatorEx<V> mergeFn)	Returns a sink equivalent to Sinks.mapWithMerging(String, BinaryOperatorEx), but for a map in a remote Hazelcast cluster identified by the supplied ClientConfig.
static <T, K, V> Sink<T>	Sinks.remoteMapWithUpdating(String mapName, ClientConfig clientConfig, FunctionEx<? super T,? extends K> toKeyFn, BiFunctionEx<? super V,? super T,? extends V> updateFn)	Returns a sink equivalent to Sinks.mapWithUpdating(java.lang.String, com.hazelcast.function.FunctionEx<? super T, ? extends K>, com.hazelcast.function.BiFunctionEx<? super V, ? super T, ? extends V>), but for a map in a remote Hazelcast cluster identified by the supplied ClientConfig.
static <S> ServiceFactory<?,S>	ServiceFactories.sharedService(FunctionEx<? super ProcessorSupplier.Context,S> createServiceFn)	A variant of sharedService(createFn, destroyFn) with a no-op destroyFn.
static <S> ServiceFactory<?,S>	ServiceFactories.sharedService(FunctionEx<? super ProcessorSupplier.Context,S> createServiceFn, ConsumerEx<S> destroyServiceFn)	Returns a ServiceFactory which will provide a single shared service object per cluster member.
static <C> SinkBuilder<C,Void>	SinkBuilder.sinkBuilder(String name, FunctionEx<Processor.Context,? extends C> createFn)	Returns a builder object that offers a step-by-step fluent API to build a custom Sink for the Pipeline API.
static <T> Sink<T>	Sinks.socket(String host, int port, FunctionEx<? super T,? extends String> toStringFn)	Convenience for Sinks.socket(String, int, FunctionEx, Charset) with UTF-8 as the charset.
static <T> Sink<T>	Sinks.socket(String host, int port, FunctionEx<? super T,? extends String> toStringFn, Charset charset)	Returns a sink that connects to the specified TCP socket and writes to it a string representation of the items it receives.
static <C> SourceBuilder.Stream<Void>	SourceBuilder.stream(String name, FunctionEx<? super Processor.Context,? extends C> createFn)	Returns a fluent-API builder with which you can create an unbounded stream source for a Jet pipeline.
static <C> SourceBuilder.TimestampedStream<Void>	SourceBuilder.timestampedStream(String name, FunctionEx<? super Processor.Context,? extends C> createFn)	Returns a fluent-API builder with which you can create an unbounded stream source for a Jet pipeline.
FileSinkBuilder<T>	FileSinkBuilder.toStringFn(FunctionEx<? super T,String> toStringFn)	Sets the function which converts the item to its string representation.
static <C> ServiceFactory<C,Void>	ServiceFactory.withCreateContextFn(FunctionEx<? super ProcessorSupplier.Context,? extends C> createContextFn)	Creates a new ServiceFactory with the given function that creates the shared context object.

Uses of FunctionEx in com.hazelcast.jet.pipeline.test

Methods in com.hazelcast.jet.pipeline.test that return FunctionEx

Modifier and Type	Method	Description
static <T> FunctionEx<BatchStage<T>,BatchStage<T>>	Assertions.assertAnyOrder(String message, Collection<? extends T> expected)	Asserts that the previous stage emitted the expected items in any order, but nothing else.
static <T> FunctionEx<BatchStage<T>,BatchStage<T>>	Assertions.assertAnyOrder(Collection<? extends T> expected)	Asserts that the previous stage emitted the expected items in any order, but nothing else.
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> 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 assertFn every time a new item is received.
static <T> FunctionEx<BatchStage<T>,BatchStage<T>>	Assertions.assertContains(String message, Collection<? extends T> expected)	Asserts that the previous stage emitted all of the given items in any order.
static <T> FunctionEx<BatchStage<T>,BatchStage<T>>	Assertions.assertContains(Collection<? extends T> expected)	Asserts that the previous stage emitted all of the given items in any order.
static <T> FunctionEx<BatchStage<T>,BatchStage<T>>	Assertions.assertOrdered(String message, Collection<? extends T> expected)	Asserts that the previous stage emitted the exact sequence of expected items and nothing else.
static <T> FunctionEx<BatchStage<T>,BatchStage<T>>	Assertions.assertOrdered(Collection<? extends T> expected)	Asserts that the previous stage emitted the exact sequence of expected items and nothing else.

Uses of FunctionEx in com.hazelcast.jet.python

Methods in com.hazelcast.jet.python that return FunctionEx

Modifier and Type	Method	Description
static <K> FunctionEx<StreamStage<String>,StreamStage<String>>	PythonTransforms.mapUsingPython(FunctionEx<? super String,? extends K> keyFn, PythonServiceConfig cfg)	A stage-transforming method that adds a partitioned "map using Python" pipeline stage.
static FunctionEx<StreamStage<String>,StreamStage<String>>	PythonTransforms.mapUsingPython(PythonServiceConfig cfg)	A stage-transforming method that adds a "map using Python" pipeline stage.
static <K> FunctionEx<BatchStage<String>,BatchStage<String>>	PythonTransforms.mapUsingPythonBatch(FunctionEx<? super String,? extends K> keyFn, PythonServiceConfig cfg)	A stage-transforming method that adds a partitioned "map using Python" pipeline stage.
static FunctionEx<BatchStage<String>,BatchStage<String>>	PythonTransforms.mapUsingPythonBatch(PythonServiceConfig cfg)	A stage-transforming method that adds a "map using Python" pipeline stage.

Methods in com.hazelcast.jet.python with parameters of type FunctionEx

Modifier and Type	Method	Description
static <K> FunctionEx<StreamStage<String>,StreamStage<String>>	PythonTransforms.mapUsingPython(FunctionEx<? super String,? extends K> keyFn, PythonServiceConfig cfg)	A stage-transforming method that adds a partitioned "map using Python" pipeline stage.
static <K> FunctionEx<BatchStage<String>,BatchStage<String>>	PythonTransforms.mapUsingPythonBatch(FunctionEx<? super String,? extends K> keyFn, PythonServiceConfig cfg)	A stage-transforming method that adds a partitioned "map using Python" pipeline stage.

Uses of FunctionEx in com.hazelcast.jet.s3

Methods in com.hazelcast.jet.s3 with parameters of type FunctionEx

Modifier and Type	Method	Description
static <T> Sink<? super T>	S3Sinks.s3(String bucketName, String prefix, Charset charset, SupplierEx<? extends software.amazon.awssdk.services.s3.S3Client> clientSupplier, FunctionEx<? super T,String> toStringFn)	Creates an AWS S3 Sink which writes items to files into the given bucket.
static <I, T> BatchSource<T>	S3Sources.s3(List<String> bucketNames, String prefix, SupplierEx<? extends software.amazon.awssdk.services.s3.S3Client> clientSupplier, FunctionEx<? super InputStream,? extends Stream<I>> readFileFn, BiFunctionEx<String,? super I,? extends T> mapFn)	Creates an AWS S3 BatchSource which lists all the objects in the bucket-list using given prefix, reads them using provided readFileFn, transforms each read item to the desired output object using given mapFn and emits them to downstream.