org.streamingpool.core.service.streamid

Class DerivedStreamId<S,T>

java.lang.Object

org.streamingpool.core.service.streamid.DerivedStreamId<S,T>

Type Parameters:

S - the type of the source stream

T - the type of the final stream

All Implemented Interfaces:

StreamId<T>

public class DerivedStreamId<S,T>
extends java.lang.Object
implements StreamId<T>

A stream id, that applies the provided function to transform the elements of the data stream. It is much like a map operator, but the operation is specified before the actual stream is created or discovered.

See Also:

DerivedStreamFactory

Constructor Summary

Constructors

Constructor and Description
DerivedStreamId(StreamId<S> sourceStreamId, java.util.function.Function<S,T> conversion)

Method Summary

Modifier and Type	Method and Description
java.util.function.Function<S,T>	conversion()
static <S,T> DerivedStreamId<S,T>	derive(StreamId<S> sourceStreamId, java.util.function.Function<S,T> conversion)
boolean	equals(java.lang.Object obj)
int	hashCode()
StreamId<S>	sourceStreamId()
java.lang.String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

DerivedStreamId

public DerivedStreamId(StreamId<S> sourceStreamId,
                       java.util.function.Function<S,T> conversion)

Method Detail

derive

public static <S,T> DerivedStreamId<S,T> derive(StreamId<S> sourceStreamId,
                                                java.util.function.Function<S,T> conversion)

sourceStreamId

public StreamId<S> sourceStreamId()

conversion

public java.util.function.Function<S,T> conversion()

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

equals

public boolean equals(java.lang.Object obj)

Overrides:

equals in class java.lang.Object

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object