Package org.apache.tinkerpop.gremlin.language.grammar

Class GremlinQueryParser

java.lang.Object

org.apache.tinkerpop.gremlin.language.grammar.GremlinQueryParser

public class GremlinQueryParser
extends Object

Parses Gremlin strings to an Object, typically to a Traversal.

Constructor Summary

Constructors

Constructor	Description
GremlinQueryParser()

Method Summary

Modifier and Type	Method	Description
static Object	parse(String query)	Parse Gremlin string using a default GremlinAntlrToJava object.
static Object	parse(String query, GremlinVisitor<Object> visitor)	Parse Gremlin string using a specified GremlinAntlrToJava object.
static Map<String,Object>	parseParameters(String parameterMapString)	Parses a gremlin-lang map literal string into a Map<String, Object> for use as parameters.

Methods inherited from class java.lang.Object

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

Constructor Details

GremlinQueryParser

public GremlinQueryParser()

Method Details

parse

public static Object parse(String query)

Parse Gremlin string using a default GremlinAntlrToJava object.

parse

public static Object parse(String query,
 GremlinVisitor<Object> visitor)

Parse Gremlin string using a specified GremlinAntlrToJava object.

parseParameters

public static Map<String,Object> parseParameters(String parameterMapString)

Parses a gremlin-lang map literal string into a Map<String, Object> for use as parameters.

Uses ParameterMapVisitor to prevent traversal injection and validates that all keys are strings and no values contain traversals.

Parameters:

parameterMapString - the gremlin-lang map literal string (e.g. [x:1,y:"marko"]) or null/empty

Returns:

the parsed and validated parameter map

Throws:

GremlinParserException - if parsing fails or validation detects invalid content