net.fortytwo.ripple.libs.stream

Class Intersect

java.lang.Object

net.fortytwo.ripple.model.PrimitiveStackMapping

net.fortytwo.ripple.libs.stream.Intersect

All Implemented Interfaces:

Mapping<RippleList,RippleList,ModelConnection>, RippleValue, StackMapping

public class Intersect
extends PrimitiveStackMapping

A filter which drops any stack which has already been transmitted and behaves like the identity filter otherwise, making a stream of stacks into a set of stacks.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
protected class	Intersect.IntersectInner

Nested classes/interfaces inherited from class net.fortytwo.ripple.model.PrimitiveStackMapping

PrimitiveStackMapping.Parameter

Nested classes/interfaces inherited from interface net.fortytwo.ripple.model.RippleValue

RippleValue.Type

Constructor Summary

Constructors

Constructor and Description
Intersect()

Method Summary

Methods

Modifier and Type	Method and Description
void	apply(RippleList arg, Sink<RippleList> solutions, ModelConnection mc) Applies the mapping to a single argument, producing zero or more solutions and passing them into a downstream Sink
String	getComment()
String[]	getIdentifiers()
PrimitiveStackMapping.Parameter[]	getParameters()

Methods inherited from class net.fortytwo.ripple.model.PrimitiveStackMapping

arity, equals, getInverse, getMapping, getType, hashCode, isTransparent, printTo, setRdfEquivalent, toRDF, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

Intersect

public Intersect()
          throws RippleException

Throws:

RippleException

Method Detail

getIdentifiers

public String[] getIdentifiers()

Specified by:

getIdentifiers in class PrimitiveStackMapping

getParameters

public PrimitiveStackMapping.Parameter[] getParameters()

Specified by:

getParameters in class PrimitiveStackMapping

getComment

public String getComment()

Specified by:

getComment in class PrimitiveStackMapping

Returns:

a comment about the primitive. May be null.

apply

public void apply(RippleList arg,
         Sink<RippleList> solutions,
         ModelConnection mc)
           throws RippleException

Description copied from interface: Mapping

Applies the mapping to a single argument, producing zero or more solutions and passing them into a downstream Sink

Parameters:

arg - the argument data item

solutions - the solutions the argument is mapped to

mc - a helper object providing context (may be null)

Throws:

RippleException - if a data handling error occurs