io.redisearch.querybuilder

Class OptionalNode

java.lang.Object

io.redisearch.querybuilder.QueryNode

io.redisearch.querybuilder.IntersectNode

io.redisearch.querybuilder.OptionalNode

All Implemented Interfaces:

Node

public class OptionalNode
extends IntersectNode

Created by mnunberg on 2/23/18. The optional node affects scoring and ordering. If it evaluates to true, the result is ranked higher. It is helpful to combine it with a UnionNode to rank a document higher if it meets one of several criteria. In RS: ~(@lang:en @country:us).

Nested Class Summary

Nested classes/interfaces inherited from interface io.redisearch.querybuilder.Node

Node.ParenMode

Constructor Summary

Constructors

Constructor and Description
OptionalNode()

Method Summary

Modifier and Type	Method and Description
String	toString(Node.ParenMode mode) Returns the string form of this node.

Methods inherited from class io.redisearch.querybuilder.IntersectNode

getJoinString

Methods inherited from class io.redisearch.querybuilder.QueryNode

add, add, add, add, shouldUseParens, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

OptionalNode

public OptionalNode()

Method Detail

toString

public String toString(Node.ParenMode mode)

Description copied from interface: Node

Returns the string form of this node.

Specified by:

toString in interface Node

Overrides:

toString in class QueryNode

Parameters:

mode - Whether the string should be encapsulated in parentheses (...)

Returns:

The string query.