Class RemoveDeletedQueryNodesProcessor
- java.lang.Object
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- org.apache.lucene.queryparser.flexible.core.processors.QueryNodeProcessorImpl
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- org.apache.lucene.queryparser.flexible.core.processors.RemoveDeletedQueryNodesProcessor
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- All Implemented Interfaces:
QueryNodeProcessor
public class RemoveDeletedQueryNodesProcessor extends QueryNodeProcessorImpl
AQueryNodeProcessorPipeline
class removes every instance ofDeletedQueryNode
from a query node tree. If the resulting root node is aDeletedQueryNode
,MatchNoDocsQueryNode
is returned.
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Constructor Summary
Constructors Constructor Description RemoveDeletedQueryNodesProcessor()
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description QueryNode
process(QueryNode queryTree)
Processes a query node tree.-
Methods inherited from class org.apache.lucene.queryparser.flexible.core.processors.QueryNodeProcessorImpl
getQueryConfigHandler, setQueryConfigHandler
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Method Detail
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process
public QueryNode process(QueryNode queryTree) throws QueryNodeException
Description copied from interface:QueryNodeProcessor
Processes a query node tree. It may return the same or another query tree. I should never returnnull
.- Specified by:
process
in interfaceQueryNodeProcessor
- Overrides:
process
in classQueryNodeProcessorImpl
- Parameters:
queryTree
- tree root node- Returns:
- the processed query tree
- Throws:
QueryNodeException
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