org.apache.shardingsphere.core.parse.antlr.extractor.impl.dml

Class PredicateExtractor

java.lang.Object

org.apache.shardingsphere.core.parse.antlr.extractor.impl.dml.PredicateExtractor

public final class PredicateExtractor
extends Object

Predicate extractor.

Author:

duhongjun

Constructor Summary

Constructors

Constructor and Description
PredicateExtractor()

Method Summary

Modifier and Type	Method and Description
com.google.common.base.Optional<OrConditionSegment>	extract(Map<org.antlr.v4.runtime.ParserRuleContext,Integer> placeholderIndexes, org.antlr.v4.runtime.ParserRuleContext exprNode) Extract.

Methods inherited from class java.lang.Object

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

Constructor Detail

PredicateExtractor

public PredicateExtractor()

Method Detail

extract

public com.google.common.base.Optional<OrConditionSegment> extract(Map<org.antlr.v4.runtime.ParserRuleContext,Integer> placeholderIndexes,
                                                                   org.antlr.v4.runtime.ParserRuleContext exprNode)

Extract.

Parameters:

placeholderIndexes - placeholder indexes

exprNode - expression node of AST

Returns:

or condition