Show / Hide Table of Contents

    Class QueryNodeOperation

    Allow joining 2 QueryNode Trees, into one.

    Inheritance
    System.Object
    QueryNodeOperation
    Namespace: Lucene.Net.QueryParsers.Flexible.Core.Util
    Assembly: Lucene.Net.QueryParser.dll
    Syntax
    public sealed class QueryNodeOperation : object

    Methods

    | Improve this Doc View Source

    LogicalAnd(IQueryNode, IQueryNode)

    perform a logical and of 2 QueryNode trees. if q1 and q2 are ANDQueryNode nodes it uses head Node from q1 and adds the children of q2 to q1 if q1 is a AND node and q2 is not, add q2 as a child of the head node of q1 if q2 is a AND node and q1 is not, add q1 as a child of the head node of q2 if q1 and q2 are not ANDQueryNode nodes, create a AND node and make q1 and q2 children of that node if q1 or q2 is null it returns the not null node if q1 = q2 = null it returns null

    Declaration
    public static IQueryNode LogicalAnd(IQueryNode q1, IQueryNode q2)
    Parameters
    Type Name Description
    IQueryNode q1
    IQueryNode q2
    Returns
    Type Description
    IQueryNode
    • Improve this Doc
    • View Source
    Back to top Copyright © 2020 Licensed to the Apache Software Foundation (ASF)