Package org.apache.solr.search

Class DocSetUtil

java.lang.Object
org.apache.solr.search.DocSetUtil
public class DocSetUtil extends Object
WARNING: This API is experimental and might change in incompatible ways in the next release.

  • Constructor Details

    • DocSetUtil

      public DocSetUtil()

  • Method Details

    • smallSetSize

      public static int smallSetSize(int maxDoc)
      The cut-off point for small sets (SortedIntDocSet) vs large sets (BitDocSet)

      For ridiculously small sets, we'll just use a sorted int[]. maxDoc >>> 6 is a good value if you want to save memory, lower values such as maxDoc >>> 11 should provide faster building but at the expense of using a full bitset even for quite sparse data.

    • equals

      public static boolean equals(DocSet a, DocSet b)
      Iterates DocSets to test for equality - slow and for testing purposes only.
      NOTE: This API is for internal purposes only and might change in incompatible ways in the next release.

    • getDocSet

      public static DocSet getDocSet(DocSetCollector collector, SolrIndexSearcher searcher)
      This variant of getDocSet will attempt to do some deduplication on certain DocSets such as DocSets that match numDocs. This means it can return a cached version of the set, and the returned set should not be modified.
      WARNING: This API is experimental and might change in incompatible ways in the next release.

    • getDocSet

      public static DocSet getDocSet(DocSet docs, SolrIndexSearcher searcher)
      This variant of getDocSet maps all sets with size numDocs to searcher.getLiveDocs. The returned set should not be modified.
      WARNING: This API is experimental and might change in incompatible ways in the next release.

    • createDocSet

      public static DocSet createDocSet(SolrIndexSearcher searcher, org.apache.lucene.search.Query query, DocSet filter) throws IOException
      Throws:
      IOException

    • createDocSetGeneric

      public static DocSet createDocSetGeneric(SolrIndexSearcher searcher, org.apache.lucene.search.Query query) throws IOException
      Throws:
      IOException

    • createDocSet

      public static DocSet createDocSet(SolrIndexSearcher searcher, org.apache.lucene.index.Term term) throws IOException
      Throws:
      IOException

    • toSmallSet

      public static DocSet toSmallSet(BitDocSet bitSet)

    • collectSortedDocSet

      public static void collectSortedDocSet(DocSet docs, org.apache.lucene.index.IndexReader reader, org.apache.lucene.search.Collector collector) throws IOException
      Throws:
      IOException