io.shardingsphere.core.parsing.antlr.extractor.util

类 ExtractorUtils

java.lang.Object

io.shardingsphere.core.parsing.antlr.extractor.util.ExtractorUtils

public final class ExtractorUtils
extends Object

Extractor utility.

作者:

duhongjun

构造器概要

构造器

构造器和说明
ExtractorUtils()

方法概要

限定符和类型	方法和说明
static com.google.common.base.Optional<org.antlr.v4.runtime.ParserRuleContext>	findFirstChildNode(org.antlr.v4.runtime.ParserRuleContext node, RuleName ruleName) Find first child node.
static com.google.common.base.Optional<org.antlr.v4.runtime.ParserRuleContext>	findFirstChildNodeNoneRecursive(org.antlr.v4.runtime.ParserRuleContext node, RuleName ruleName) Find first child node none recursive.
static Collection<org.antlr.v4.runtime.ParserRuleContext>	getAllDescendantNodes(org.antlr.v4.runtime.ParserRuleContext node, RuleName ruleName) Get all descendant nodes.

从类继承的方法 java.lang.Object

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

构造器详细资料

ExtractorUtils

public ExtractorUtils()

方法详细资料

findFirstChildNode

public static com.google.common.base.Optional<org.antlr.v4.runtime.ParserRuleContext> findFirstChildNode(org.antlr.v4.runtime.ParserRuleContext node,
                                                                                                         RuleName ruleName)

Find first child node.

参数:

node - start node

ruleName - rule name

返回:

matched node

findFirstChildNodeNoneRecursive

public static com.google.common.base.Optional<org.antlr.v4.runtime.ParserRuleContext> findFirstChildNodeNoneRecursive(org.antlr.v4.runtime.ParserRuleContext node,
                                                                                                                      RuleName ruleName)

Find first child node none recursive.

参数:

node - start node

ruleName - rule name

返回:

matched node

getAllDescendantNodes

public static Collection<org.antlr.v4.runtime.ParserRuleContext> getAllDescendantNodes(org.antlr.v4.runtime.ParserRuleContext node,
                                                                                       RuleName ruleName)

Get all descendant nodes.

参数:

node - start node

ruleName - rule name

返回:

all descendant nodes