Class MappingOpUnion

java.lang.Object

se.liu.ida.hefquin.mappings.algebra.ops.BaseForMappingOperator

se.liu.ida.hefquin.mappings.algebra.ops.BaseForNaryMappingOperator

se.liu.ida.hefquin.mappings.algebra.ops.MappingOpUnion

All Implemented Interfaces:

MappingOperator

public class MappingOpUnion
extends BaseForNaryMappingOperator

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
protected class	MappingOpUnion.MyCursor
protected class	MappingOpUnion.MyMappingRelation

Field Summary

Fields

Modifier and Type	Field	Description
protected final Set<String>	schema
protected final boolean	valid

Fields inherited from class se.liu.ida.hefquin.mappings.algebra.ops.BaseForNaryMappingOperator

subOps

Fields inherited from class se.liu.ida.hefquin.mappings.algebra.ops.BaseForMappingOperator

id

Constructor Summary

Constructors

Constructor	Description
MappingOpUnion(List<MappingOperator> subOps)
MappingOpUnion(MappingOperator... subOps)

Method Summary

Modifier and Type	Method	Description
MappingRelation	evaluate(Map<SourceReference,DataObject> srMap)
Set<String>	getSchema()
boolean	isValid()
boolean	isValidInput(Map<SourceReference,DataObject> srMap)
void	visit(MappingOperatorVisitor visitor)

Methods inherited from class se.liu.ida.hefquin.mappings.algebra.ops.BaseForNaryMappingOperator

getNumberOfSubOps, getSubOps

Methods inherited from class se.liu.ida.hefquin.mappings.algebra.ops.BaseForMappingOperator

getID

Methods inherited from class java.lang.Object

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

Field Details

schema

protected final Set<String> schema

valid

protected final boolean valid

Constructor Details

MappingOpUnion

public MappingOpUnion(MappingOperator... subOps)

MappingOpUnion

public MappingOpUnion(List<MappingOperator> subOps)

Method Details

getSchema

public Set<String> getSchema()

isValid

public boolean isValid()

visit

public void visit(MappingOperatorVisitor visitor)

isValidInput

public boolean isValidInput(Map<SourceReference,DataObject> srMap)

evaluate

public MappingRelation evaluate(Map<SourceReference,DataObject> srMap)