org.apache.druid.segment.nested

Class NestedPathFinder

java.lang.Object

org.apache.druid.segment.nested.NestedPathFinder

public class NestedPathFinder
extends Object

Constructor Summary

Constructors

Constructor and Description
NestedPathFinder()

Method Summary

Modifier and Type	Method and Description
static Object	find(Object data, List<NestedPathPart> path) Dig through a thing to find stuff
static Object[]	findKeys(Object data, List<NestedPathPart> path)
static Object	findLiteral(Object data, List<NestedPathPart> path)
static String	findStringLiteral(Object data, List<NestedPathPart> path) Dig through a thing to find stuff, if that stuff is a not nested itself
static List<NestedPathPart>	parseJqPath(String path) split a jq path into a series of extractors to find things in stuff
static List<NestedPathPart>	parseJsonPath(String path) split a JSONPath path into a series of extractors to find things in stuff
static String	toNormalizedJqPath(List<NestedPathPart> paths) Given a list of part finders, convert it to a "normalized" 'jq' path format that is consistent with how StructuredDataProcessor constructs field path names
static String	toNormalizedJsonPath(List<NestedPathPart> paths)

Methods inherited from class java.lang.Object

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

Constructor Detail

NestedPathFinder

public NestedPathFinder()

Method Detail

toNormalizedJsonPath

public static String toNormalizedJsonPath(List<NestedPathPart> paths)

parseJsonPath

public static List<NestedPathPart> parseJsonPath(@Nullable
                                                 String path)

split a JSONPath path into a series of extractors to find things in stuff

toNormalizedJqPath

public static String toNormalizedJqPath(List<NestedPathPart> paths)

Given a list of part finders, convert it to a "normalized" 'jq' path format that is consistent with how StructuredDataProcessor constructs field path names

parseJqPath

public static List<NestedPathPart> parseJqPath(@Nullable
                                               String path)

split a jq path into a series of extractors to find things in stuff

findStringLiteral

@Nullable
public static String findStringLiteral(@Nullable
                                                 Object data,
                                                 List<NestedPathPart> path)

Dig through a thing to find stuff, if that stuff is a not nested itself

findLiteral

@Nullable
public static Object findLiteral(@Nullable
                                           Object data,
                                           List<NestedPathPart> path)

findKeys

@Nullable
public static Object[] findKeys(@Nullable
                                          Object data,
                                          List<NestedPathPart> path)

find

@Nullable
public static Object find(@Nullable
                                    Object data,
                                    List<NestedPathPart> path)

Dig through a thing to find stuff