Class MappingOpExtract.MyCursor

java.lang.Object

se.liu.ida.hefquin.mappings.algebra.ops.MappingOpExtract.MyCursor

All Implemented Interfaces:

MappingRelationCursor

Enclosing class:

MappingOpExtract<DDS extends DataObject,DC1 extends DataObject,DC2 extends DataObject,QL1 extends Query,QL2 extends Query>

protected class MappingOpExtract.MyCursor
extends Object
implements MappingRelationCursor

Field Summary

Fields

Modifier and Type	Field	Description
protected MappingRelationCursor	currentCursor
protected final DDS	d
protected Iterator<DC1>	itContextObjs
protected MappingRelationCursor	nextCursor
protected final MappingRelation	r

Constructor Summary

Constructors

Constructor	Description
MyCursor(MappingRelation r, DDS d)

Method Summary

Modifier and Type	Method	Description
void	advance()
MappingRelation	getMappingRelation()	Returns the mapping relation over which this cursor iterates.
org.apache.jena.graph.Node	getValueOfCurrentTuple(int idxOfAttribute)
boolean	hasNext()

Methods inherited from class java.lang.Object

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

Field Details

r

protected final MappingRelation r

d

protected final DDS extends DataObject d

itContextObjs

protected Iterator<DC1 extends DataObject> itContextObjs

currentCursor

protected MappingRelationCursor currentCursor

nextCursor

protected MappingRelationCursor nextCursor

Constructor Details

MyCursor

public MyCursor(MappingRelation r,
 DDS d)

Method Details

getMappingRelation

public MappingRelation getMappingRelation()

Description copied from interface: MappingRelationCursor

Returns the mapping relation over which this cursor iterates.

Specified by:

getMappingRelation in interface MappingRelationCursor

getValueOfCurrentTuple

public org.apache.jena.graph.Node getValueOfCurrentTuple(int idxOfAttribute)

Specified by:

getValueOfCurrentTuple in interface MappingRelationCursor

hasNext

public boolean hasNext()

Specified by:

hasNext in interface MappingRelationCursor

advance

public void advance()

Specified by:

advance in interface MappingRelationCursor