org.apache.lens.driver.es.translator.impl

Class ESCriteriaVisitor

java.lang.Object

org.apache.lens.driver.es.translator.impl.ESCriteriaVisitor

All Implemented Interfaces:

ASTCriteriaVisitor

public final class ESCriteriaVisitor
extends Object
implements ASTCriteriaVisitor

Constructor Summary

Constructors

Constructor and Description
ESCriteriaVisitor()

Method Summary

Methods

Modifier and Type	Method and Description
com.fasterxml.jackson.databind.node.ObjectNode	getNode()
void	visitLogicalOp(String logicalOp, List<ASTCriteriaVisitor> visitedSubTrees)
void	visitPredicate(String predicateOp, String leftColCanonical, List<String> rightExps) Visits simple predicate
void	visitUnaryLogicalOp(String logicalOp, ASTCriteriaVisitor visitedSubTree)

Methods inherited from class java.lang.Object

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

Constructor Detail

ESCriteriaVisitor

public ESCriteriaVisitor()

Method Detail

visitLogicalOp

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

Specified by:

visitLogicalOp in interface ASTCriteriaVisitor

Parameters:

logicalOp - The logical operator

visitedSubTrees - The visited subtree of logical operator

visitUnaryLogicalOp

public void visitUnaryLogicalOp(String logicalOp,
                       ASTCriteriaVisitor visitedSubTree)

Specified by:

visitUnaryLogicalOp in interface ASTCriteriaVisitor

Parameters:

logicalOp - The unary operator

visitedSubTree - The visited subtree of unary operator

visitPredicate

public void visitPredicate(String predicateOp,
                  String leftColCanonical,
                  List<String> rightExps)
                    throws InvalidQueryException

Description copied from interface: ASTCriteriaVisitor

Visits simple predicate

Specified by:

visitPredicate in interface ASTCriteriaVisitor

Parameters:

predicateOp - Operator constructing the predicate

leftColCanonical - Left column

rightExps - Right expression

Throws:

InvalidQueryException

getNode

public com.fasterxml.jackson.databind.node.ObjectNode getNode()