Interface IQueryNodeProcessor

An IQueryNodeProcessor is an interface for classes that process a IQueryNode tree.

The implementor of this class should perform some operation on a query node tree and return the same or another query node tree.

It also may carry a QueryConfigHandler object that contains configuration about the query represented by the query tree or the collection/index where it's intended to be executed.

In case there is any QueryConfigHandler associated to the query tree to be processed, it should be set using SetQueryConfigHandler(QueryConfigHandler) before Process(IQueryNode) is invoked.

Namespace: Lucene.Net.QueryParsers.Flexible.Core.Processors
Assembly: Lucene.Net.QueryParser.dll
Syntax
public interface IQueryNodeProcessor

Methods

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GetQueryConfigHandler()

Returns the QueryConfigHandler associated to the query tree if any, otherwise it returns null

Declaration
QueryConfigHandler GetQueryConfigHandler()
Returns
Type Description
QueryConfigHandler

the QueryConfigHandler associated to the query tree if any, otherwise it returns null
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Process(IQueryNode)

Processes a query node tree. It may return the same or another query tree. I should never return null.

Declaration
IQueryNode Process(IQueryNode queryTree)
Parameters
Type Name Description
IQueryNode queryTree

tree root node
Returns
Type Description
IQueryNode

the processed query tree
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SetQueryConfigHandler(QueryConfigHandler)

Sets the QueryConfigHandler associated to the query tree.

Declaration
void SetQueryConfigHandler(QueryConfigHandler queryConfigHandler)
Parameters
Type Name Description
QueryConfigHandler queryConfigHandler

See Also