com.fluxtion.ext.declarative.api.stream

Interface StreamOperator

public interface StreamOperator

An interface defining stream operations on a node in a SEP graph. The ServiceLoader mechanism is used to load an implementation at runtime for the StreamOperator interface.

Author:

V12 Technology Ltd.

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static class	StreamOperator.ConsoleLog

Method Summary

Modifier and Type	Method and Description
default <S,T> FilterWrapper<T>	filter(com.fluxtion.api.partition.LambdaReflection.SerializableFunction<S,Boolean> filter, Wrapper<T> source, Method accessor, boolean cast)
default <T> FilterWrapper<T>	filter(com.fluxtion.api.partition.LambdaReflection.SerializableFunction<T,Boolean> filter, Wrapper<T> source, boolean cast)
default <T,S extends T> Wrapper<T>	forEach(com.fluxtion.api.partition.LambdaReflection.SerializableConsumer<S> consumer, Wrapper<T> source, String consumerId) Supply the wrapper to a consumer when the wrapper is on the execution path
default <T,R> Wrapper<R>	map(com.fluxtion.api.partition.LambdaReflection.SerializableFunction<T,R> mapper, Wrapper<T> source, boolean cast)
default <T,R> Wrapper<R>	map(com.fluxtion.api.partition.LambdaReflection.SerializableFunction<T,R> mapper, Wrapper<T> source, Method accessor, boolean cast)
default <T> T	nodeId(T node, String name) name a StreamOperator node in the generated SEP.
default <T> Wrapper<T>	notiferMerge(Wrapper<T> source, Object notifier) Attaches an event notification instance to the current stream node and merges notifications from stream and the added notifier.When the notifier updates all the child nodes of this stream node will be on the execution path and invoked following normal SEP rules.The existing execution path will be unaltered if either the parent wrapped node or the eventNotifier updates then the execution path will progress.
default <T> Wrapper<T>	notifierOverride(Wrapper<T> source, Object notifier) Attaches an event notification instance to the current stream node, overriding the execution path of the current stream.Only when the notifier updates will the child nodes of this stream node be on the execution path.
default <T,R> void	push(Wrapper<T> source, Method accessor, com.fluxtion.api.partition.LambdaReflection.SerializableConsumer<R> consumer) push data from the wrapper to the consumer
static StreamOperator	service()
static <I> void	standardOut(I out)

Method Detail

filter

default <S,T> FilterWrapper<T> filter(com.fluxtion.api.partition.LambdaReflection.SerializableFunction<S,Boolean> filter,
                                      Wrapper<T> source,
                                      Method accessor,
                                      boolean cast)

filter

default <T> FilterWrapper<T> filter(com.fluxtion.api.partition.LambdaReflection.SerializableFunction<T,Boolean> filter,
                                    Wrapper<T> source,
                                    boolean cast)

map

default <T,R> Wrapper<R> map(com.fluxtion.api.partition.LambdaReflection.SerializableFunction<T,R> mapper,
                             Wrapper<T> source,
                             boolean cast)

map

default <T,R> Wrapper<R> map(com.fluxtion.api.partition.LambdaReflection.SerializableFunction<T,R> mapper,
                             Wrapper<T> source,
                             Method accessor,
                             boolean cast)

push

default <T,R> void push(Wrapper<T> source,
                        Method accessor,
                        com.fluxtion.api.partition.LambdaReflection.SerializableConsumer<R> consumer)

push data from the wrapper to the consumer

Type Parameters:

T -

R -

Parameters:

source -

accessor -

consumer -

forEach

default <T,S extends T> Wrapper<T> forEach(com.fluxtion.api.partition.LambdaReflection.SerializableConsumer<S> consumer,
                                           Wrapper<T> source,
                                           String consumerId)

Supply the wrapper to a consumer when the wrapper is on the execution path

Type Parameters:

T -

S -

Parameters:

consumer -

source -

consumerId - - id for node in SEP, can be null for autonaming

Returns:

notiferMerge

default <T> Wrapper<T> notiferMerge(Wrapper<T> source,
                                    Object notifier)

Attaches an event notification instance to the current stream node and merges notifications from stream and the added notifier.When the notifier updates all the child nodes of this stream node will be on the execution path and invoked following normal SEP rules.The existing execution path will be unaltered if either the parent wrapped node or the eventNotifier updates then the execution path will progress.

Type Parameters:

T -

Parameters:

source -

notifier -

Returns:

notifierOverride

default <T> Wrapper<T> notifierOverride(Wrapper<T> source,
                                        Object notifier)

Attaches an event notification instance to the current stream node, overriding the execution path of the current stream.Only when the notifier updates will the child nodes of this stream node be on the execution path.

Type Parameters:

T -

Parameters:

source -

notifier - external event notifier

Returns:

nodeId

default <T> T nodeId(T node,
                     String name)

name a StreamOperator node in the generated SEP.

Type Parameters:

T -

Parameters:

node -

name -

Returns:

service

static StreamOperator service()

standardOut

static <I> void standardOut(I out)