org.apache.lens.driver.es.translator

Interface ASTCriteriaVisitor

All Known Implementing Classes:

ESCriteriaVisitor

public interface ASTCriteriaVisitor

Method Summary

Methods

Modifier and Type	Method and Description
void	visitLogicalOp(String logicalOp, List<ASTCriteriaVisitor> visitedSubTrees)
void	visitPredicate(String conditionalOp, String leftCol, List<String> rightExps) Visits simple predicate
void	visitUnaryLogicalOp(String logicalOp, ASTCriteriaVisitor visitedSubTree)

Method Detail

visitUnaryLogicalOp

void visitUnaryLogicalOp(String logicalOp,
                       ASTCriteriaVisitor visitedSubTree)
                         throws InvalidQueryException

Parameters:

logicalOp - The unary operator

visitedSubTree - The visited subtree of unary operator

Throws:

InvalidQueryException

visitLogicalOp

void visitLogicalOp(String logicalOp,
                  List<ASTCriteriaVisitor> visitedSubTrees)
                    throws InvalidQueryException

Parameters:

logicalOp - The logical operator

visitedSubTrees - The visited subtree of logical operator

Throws:

InvalidQueryException

visitPredicate

void visitPredicate(String conditionalOp,
                  String leftCol,
                  List<String> rightExps)
                    throws InvalidQueryException

Visits simple predicate

Parameters:

conditionalOp - Operator constructing the predicate

leftCol - Left column

rightExps - Right expression

Throws:

InvalidQueryException