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 String
fieldName
Doc field namestatic String
metadataSource
Metadata 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 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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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:
setConf
in interfaceConfigurable
- Overrides:
setConf
in classConfigured
- Parameters:
conf
- A populatedConfiguration
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getConf
public Configuration getConf()
- Specified by:
getConf
in interfaceConfigurable
- Overrides:
getConf
in 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: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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