org.corfudb.runtime.collections

Interface CorfuTable.ProjectionFunction<K,V,I,P>

Type Parameters:

K - The type of the key used in projection.

V - The type of the value used in projection.

I - The type of the index used in projection.

P - The type of the projection returned.

Enclosing class:

CorfuTable<K,V>

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

@FunctionalInterface
public static interface CorfuTable.ProjectionFunction<K,V,I,P>

The interface for a projection function.

NOTE: The projection function MUST return a new (preferably immutable) collection, the collection of entries passed during this function are NOT safe to use outside the context of this function.

Method Summary

Modifier and Type	Method and Description
Stream<P>	generateProjection(I index, Stream<Map.Entry<K,V>> entryStream)

Method Detail

generateProjection

@Nonnull
Stream<P> generateProjection(I index,
                                      @Nonnull
                                      Stream<Map.Entry<K,V>> entryStream)