Package org.elasticsearch.search

Class NestedUtils

java.lang.Object

org.elasticsearch.search.NestedUtils

public final class NestedUtils
extends Object

Utility methods for dealing with nested mappers

Method Summary

Modifier and Type	Method	Description
static <T> Map<String,List<T>>	partitionByChildren(String scope, List<String> children, List<T> inputs, Function<T,String> pathFunction)	Partition a set of input objects by the children of a specific nested scope The returned map will contain an entry for all children, even if some of them are empty in the inputs.

Methods inherited from class java.lang.Object

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

Method Details

partitionByChildren

public static <T> Map<String,List<T>> partitionByChildren(String scope,
 List<String> children,
 List<T> inputs,
 Function<T,String> pathFunction)

Partition a set of input objects by the children of a specific nested scope The returned map will contain an entry for all children, even if some of them are empty in the inputs. All children, and all input paths, must begin with the scope. Both children and inputs should be in sorted order.

Type Parameters:

T - the type of the inputs

Parameters:

scope - the nested scope to base partitions on

children - the immediate children of the nested scope

inputs - a set of inputs to partition

pathFunction - a function to retrieve a path for each input

Returns:

a map of nested paths to lists of inputs