MappingOperator (HeFQUIN 0.0.10-SNAPSHOT API)

All Known Implementing Classes:: BaseForBinaryMappingOperator, BaseForMappingOperator, BaseForNaryMappingOperator, BaseForUnaryMappingOperator, MappingOpConstant, MappingOpExtend, MappingOpExtract, MappingOpExtractJSON, MappingOpJoin, MappingOpProject, MappingOpUnion

public interface MappingOperator

Method Summary

Modifier and Type

Method

Description

MappingRelation

evaluate(Map<SourceReference,DataObject> srMap)

int

getID()

Returns an identifier of this operator, which should be distinct from the identifiers of all other operators within the same plan (no matter what type of operator they are).

Set<String>

getSchema()

boolean

isValid()

boolean

isValidInput(Map<SourceReference,DataObject> srMap)

void

visit(MappingOperatorVisitor visitor)

Method Details
- getID
  
  int getID()
  
  Returns an identifier of this operator, which should be distinct from the identifiers of all other operators within the same plan (no matter what type of operator they are).
- getSchema
  
  Set<String> getSchema()
- isValid
  
  boolean isValid()
- isValidInput
  
  boolean isValidInput(Map<SourceReference,DataObject> srMap)
- visit
  
  void visit(MappingOperatorVisitor visitor)
- evaluate
  
  MappingRelation evaluate(Map<SourceReference,DataObject> srMap)