Class NoChildOptimizationQueryNodeProcessor

A NoChildOptimizationQueryNodeProcessor removes every BooleanQueryNode, BoostQueryNode, TokenizedPhraseQueryNode or ModifierQueryNode that do not have a valid children.

Example: When the children of these nodes are removed for any reason then the nodes may become invalid.

Inheritance

object

QueryNodeProcessor

NoChildOptimizationQueryNodeProcessor

Implements

IQueryNodeProcessor

Inherited Members

QueryNodeProcessor.Process(IQueryNode)

QueryNodeProcessor.ProcessChildren(IQueryNode)

QueryNodeProcessor.SetQueryConfigHandler(QueryConfigHandler)

QueryNodeProcessor.GetQueryConfigHandler()

object.Equals(object)

object.Equals(object, object)

object.GetHashCode()

object.GetType()

object.MemberwiseClone()

object.ReferenceEquals(object, object)

object.ToString()

Namespace: Lucene.Net.QueryParsers.Flexible.Core.Processors

Assembly: Lucene.Net.QueryParser.dll

Syntax

public class NoChildOptimizationQueryNodeProcessor : QueryNodeProcessor, IQueryNodeProcessor

Constructors

NoChildOptimizationQueryNodeProcessor()

A NoChildOptimizationQueryNodeProcessor removes every BooleanQueryNode, BoostQueryNode, TokenizedPhraseQueryNode or ModifierQueryNode that do not have a valid children.

Example: When the children of these nodes are removed for any reason then the nodes may become invalid.

Declaration

public NoChildOptimizationQueryNodeProcessor()

Methods

PostProcessNode(IQueryNode)

This method is invoked for every node when walking up the tree.

Declaration

protected override IQueryNode PostProcessNode(IQueryNode node)

Parameters

Type	Name	Description
IQueryNode	node	node the query node to be post-processed

Returns

Type	Description
IQueryNode	a query node

Overrides

QueryNodeProcessor.PostProcessNode(IQueryNode)

Exceptions

Type	Condition
QueryNodeException	if something goes wrong during the query node processing

PreProcessNode(IQueryNode)

This method is invoked for every node when walking down the tree.

Declaration

protected override IQueryNode PreProcessNode(IQueryNode node)

Parameters

Type	Name	Description
IQueryNode	node	the query node to be pre-processed

Returns

Type	Description
IQueryNode	a query node

Overrides

QueryNodeProcessor.PreProcessNode(IQueryNode)

Exceptions

Type	Condition
QueryNodeException	if something goes wrong during the query node processing

SetChildrenOrder(IList<IQueryNode>)

This method is invoked for every node that has at least on child. It's invoked right before PostProcessNode(IQueryNode) is invoked.

Declaration

protected override IList<IQueryNode> SetChildrenOrder(IList<IQueryNode> children)

Parameters

Type	Name	Description
IList<IQueryNode>	children	the list containing all current node's children

Returns

Type	Description
IList<IQueryNode>	a new list containing all children that should be set to the current node

Overrides

QueryNodeProcessor.SetChildrenOrder(IList<IQueryNode>)

Exceptions

Type	Condition
QueryNodeException	if something goes wrong during the query node processing

Implements

IQueryNodeProcessor