org.gcube.data.streams.generators
Class Processor<E>

java.lang.Object
  org.gcube.data.streams.generators.Filter<E,E>
      org.gcube.data.streams.generators.Processor<E>

Type Parameters:

E - the type of input elements

All Implemented Interfaces:

Generator<E,E>

public abstract class Processor<E>
extends Filter<E,E>

A Filter that changes the elements of the input Stream.

Author:

Fabio Simeoni

Field Summary

Fields inherited from interface org.gcube.data.streams.generators.Generator

iteration

Constructor Summary

Processor()

Method Summary

protected abstract void	process(E element) Processes an element of a Stream.
E	yield(E element) Yields an element of a Stream from an element of another Stream.

Methods inherited from class org.gcube.data.streams.generators.Filter

skip

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Processor

public Processor()

Method Detail

yield

public final E yield(E element)

Description copied from interface: Generator

Yields an element of a Stream from an element of another Stream.

Parameters:

element - the input element

Returns:

the output element

process

protected abstract void process(E element)

Processes an element of a Stream.

Parameters:

element - the input element

Throws:

StreamSkipSignal - if no element should be yielded from the input element (i.e. the element should not contribute to the output stream)

RuntimeException - ion if no element can be yielded from the input element