Package org.apache.nutch.indexer.jexl
Class JexlIndexingFilter
- java.lang.Object
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- org.apache.nutch.indexer.jexl.JexlIndexingFilter
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- All Implemented Interfaces:
Configurable
,IndexingFilter
,Pluggable
public class JexlIndexingFilter extends Object implements IndexingFilter
AnIndexingFilter
that allows filtering of documents based on a JEXL expression.
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Field Summary
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Fields inherited from interface org.apache.nutch.indexer.IndexingFilter
X_POINT_ID
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Constructor Summary
Constructors Constructor Description JexlIndexingFilter()
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description NutchDocument
filter(NutchDocument doc, Parse parse, Text url, CrawlDatum datum, Inlinks inlinks)
Adds fields or otherwise modifies the document that will be indexed for a parse.Configuration
getConf()
void
setConf(Configuration conf)
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Method Detail
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filter
public NutchDocument filter(NutchDocument doc, Parse parse, Text url, CrawlDatum datum, Inlinks inlinks) throws IndexingException
Description copied from interface:IndexingFilter
Adds fields or otherwise modifies the document that will be indexed for a parse. Unwanted documents can be removed from indexing by returning a null value.- Specified by:
filter
in interfaceIndexingFilter
- Parameters:
doc
- document instance for collecting fieldsparse
- parse data instanceurl
- page urldatum
- crawl datum for the page (fetch datum from segment containing fetch status and fetch time)inlinks
- page inlinks- Returns:
- modified (or a new) document instance, or null (meaning the document should be discarded)
- Throws:
IndexingException
- if an error occurs during during filtering
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setConf
public void setConf(Configuration conf)
- Specified by:
setConf
in interfaceConfigurable
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getConf
public Configuration getConf()
- Specified by:
getConf
in interfaceConfigurable
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