Class SubcollectionIndexingFilter
- java.lang.Object
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- org.apache.hadoop.conf.Configured
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- org.apache.nutch.indexer.subcollection.SubcollectionIndexingFilter
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- All Implemented Interfaces:
Configurable,IndexingFilter,Pluggable
public class SubcollectionIndexingFilter extends Configured implements IndexingFilter
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Field Summary
Fields Modifier and Type Field Description static StringfieldNameDoc field namestatic StringmetadataSourceMetadata source field name-
Fields inherited from interface org.apache.nutch.indexer.IndexingFilter
X_POINT_ID
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Constructor Summary
Constructors Constructor Description SubcollectionIndexingFilter()SubcollectionIndexingFilter(Configuration conf)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description NutchDocumentfilter(NutchDocument doc, Parse parse, Text url, CrawlDatum datum, Inlinks inlinks)Adds fields or otherwise modifies the document that will be indexed for a parse.ConfigurationgetConf()voidsetConf(Configuration conf)
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Constructor Detail
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SubcollectionIndexingFilter
public SubcollectionIndexingFilter()
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SubcollectionIndexingFilter
public SubcollectionIndexingFilter(Configuration conf)
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Method Detail
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setConf
public void setConf(Configuration conf)
- Specified by:
setConfin interfaceConfigurable- Overrides:
setConfin classConfigured- Parameters:
conf- A populatedConfiguration
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getConf
public Configuration getConf()
- Specified by:
getConfin interfaceConfigurable- Overrides:
getConfin classConfigured- Returns:
- Configuration
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filter
public NutchDocument filter(NutchDocument doc, Parse parse, Text url, CrawlDatum datum, Inlinks inlinks) throws IndexingException
Description copied from interface:IndexingFilterAdds 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:
filterin 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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