de.fuberlin.wiwiss.d2rq.nodes

Class FixedNodeMaker

java.lang.Object

de.fuberlin.wiwiss.d2rq.nodes.FixedNodeMaker

All Implemented Interfaces:

NodeMaker

public class FixedNodeMaker
extends Object
implements NodeMaker

Field Summary

Fields inherited from interface de.fuberlin.wiwiss.d2rq.nodes.NodeMaker

EMPTY

Constructor Summary

Constructors

Constructor and Description
FixedNodeMaker(Node node, boolean isUnique)

Method Summary

Methods

Modifier and Type	Method and Description
void	describeSelf(NodeSetFilter c)
boolean	isUnique()
Node	makeNode(ResultRow tuple)
List<OrderSpec>	orderSpecs(boolean ascending) Returns expressions (with possible ASC/DESC marker) that re necessary for ordering a relation by the nodes in this NodeMaker.
Set<ProjectionSpec>	projectionSpecs()
NodeMaker	renameAttributes(ColumnRenamer renamer)
NodeMaker	selectNode(Node n, RelationalOperators sideEffects)
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

FixedNodeMaker

public FixedNodeMaker(Node node,
              boolean isUnique)

Method Detail

isUnique

public boolean isUnique()

Specified by:

isUnique in interface NodeMaker

makeNode

public Node makeNode(ResultRow tuple)

Specified by:

makeNode in interface NodeMaker

describeSelf

public void describeSelf(NodeSetFilter c)

Specified by:

describeSelf in interface NodeMaker

projectionSpecs

public Set<ProjectionSpec> projectionSpecs()

Specified by:

projectionSpecs in interface NodeMaker

selectNode

public NodeMaker selectNode(Node n,
                   RelationalOperators sideEffects)

Specified by:

selectNode in interface NodeMaker

renameAttributes

public NodeMaker renameAttributes(ColumnRenamer renamer)

Specified by:

renameAttributes in interface NodeMaker

toString

public String toString()

Overrides:

toString in class Object

orderSpecs

public List<OrderSpec> orderSpecs(boolean ascending)

Description copied from interface: NodeMaker

Returns expressions (with possible ASC/DESC marker) that re necessary for ordering a relation by the nodes in this NodeMaker. Uses SPARQL semantics for ordering.

Specified by:

orderSpecs in interface NodeMaker