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java.lang.Objectorg.apache.solr.request.SimpleFacets
public class SimpleFacets
A class that generates simple Facet information for a request. More advanced facet implementations may compose or subclass this class to leverage any of it's functionality.
Nested Class Summary | |
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static class |
SimpleFacets.CountPair<K extends Comparable<? super K>,V extends Comparable<? super V>>
A simple key=>val pair whose natural order is such that higher vals come before lower vals. |
Field Summary | |
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protected DocSet |
docs
The main set of documents all facet counts should be relative to |
protected SolrParams |
params
Configuration params behavior should be driven by |
protected SolrIndexSearcher |
searcher
Searcher to use for all calculations |
Constructor Summary | |
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SimpleFacets(SolrIndexSearcher searcher,
DocSet docs,
SolrParams params)
|
Method Summary | |
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NamedList |
getFacetCounts()
Looks at various Params to determing if any simple Facet Constraint count computations are desired. |
NamedList |
getFacetFieldCounts()
Returns a list of value constraints and the associated facet counts for each facet field specified in the params. |
NamedList |
getFacetQueryCounts()
Returns a list of facet counts for each of the facet queries specified in the params |
NamedList |
getFacetTermEnumCounts(SolrIndexSearcher searcher,
DocSet docs,
String field,
int offset,
int limit,
int mincount,
boolean missing,
boolean sort,
String prefix)
Returns a list of terms in the specified field along with the corresponding count of documents in the set that match that constraint. |
static NamedList |
getFieldCacheCounts(SolrIndexSearcher searcher,
DocSet docs,
String fieldName,
int offset,
int limit,
int mincount,
boolean missing,
boolean sort,
String prefix)
Use the Lucene FieldCache to get counts for each unique field value in docs . |
static int |
getFieldMissingCount(SolrIndexSearcher searcher,
DocSet docs,
String fieldName)
Returns a count of the documents in the set which do not have any terms for for the specified field. |
NamedList |
getTermCounts(String field)
|
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
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protected DocSet docs
protected SolrParams params
protected SolrIndexSearcher searcher
Constructor Detail |
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public SimpleFacets(SolrIndexSearcher searcher, DocSet docs, SolrParams params)
Method Detail |
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public NamedList getFacetCounts()
getFacetQueryCounts()
,
getFacetFieldCounts()
,
SolrParams.FACET
public NamedList getFacetQueryCounts() throws IOException, ParseException
IOException
ParseException
SolrParams.FACET_QUERY
public NamedList getTermCounts(String field) throws IOException
IOException
public NamedList getFacetFieldCounts() throws IOException
IOException
SolrParams.FACET_FIELD
,
getFieldMissingCount(org.apache.solr.search.SolrIndexSearcher, org.apache.solr.search.DocSet, java.lang.String)
,
getFacetTermEnumCounts(org.apache.solr.search.SolrIndexSearcher, org.apache.solr.search.DocSet, java.lang.String, int, int, int, boolean, boolean, java.lang.String)
public static int getFieldMissingCount(SolrIndexSearcher searcher, DocSet docs, String fieldName) throws IOException
IOException
SolrParams.FACET_MISSING
public static NamedList getFieldCacheCounts(SolrIndexSearcher searcher, DocSet docs, String fieldName, int offset, int limit, int mincount, boolean missing, boolean sort, String prefix) throws IOException
docs
.
The field must have at most one indexed token per document.
IOException
public NamedList getFacetTermEnumCounts(SolrIndexSearcher searcher, DocSet docs, String field, int offset, int limit, int mincount, boolean missing, boolean sort, String prefix) throws IOException
docs
and the DocSet for each term in the filter.
IOException
SolrParams.FACET_LIMIT
,
SolrParams.FACET_ZEROS
,
SolrParams.FACET_MISSING
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