Module org.apache.lucene.codecs
Package org.apache.lucene.codecs.memory

Class DirectPostingsFormat.DirectField.DirectIntersectTermsEnum

java.lang.Object
org.apache.lucene.index.TermsEnum
org.apache.lucene.index.BaseTermsEnum
org.apache.lucene.codecs.memory.DirectPostingsFormat.DirectField.DirectIntersectTermsEnum
All Implemented Interfaces:
BytesRefIterator
Enclosing class:
DirectPostingsFormat.DirectField
private final class DirectPostingsFormat.DirectField.DirectIntersectTermsEnum extends BaseTermsEnum

  • Field Details

  • Constructor Details

  • Method Details

    • grow

      private void grow()

    • next

      public BytesRef next()
      Description copied from interface: BytesRefIterator
      Increments the iteration to the next BytesRef in the iterator. Returns the resulting BytesRef or null if the end of the iterator is reached. The returned BytesRef may be re-used across calls to next. After this method returns null, do not call it again: the results are undefined.
      Returns:
      the next BytesRef in the iterator or null if the end of the iterator is reached.

    • termState

      public TermState termState()
      Description copied from class: TermsEnum
      Expert: Returns the TermsEnums internal state to position the TermsEnum without re-seeking the term dictionary.

      NOTE: A seek by TermState might not capture the AttributeSource's state. Callers must maintain the AttributeSource states separately

      Overrides:
      termState in class BaseTermsEnum
      See Also:

    • term

      public BytesRef term()
      Description copied from class: TermsEnum
      Returns current term. Do not call this when the enum is unpositioned.
      Specified by:
      term in class TermsEnum

    • ord

      public long ord()
      Description copied from class: TermsEnum
      Returns ordinal position for current term. This is an optional method (the codec may throw UnsupportedOperationException). Do not call this when the enum is unpositioned.
      Specified by:
      ord in class TermsEnum

    • docFreq

      public int docFreq()
      Description copied from class: TermsEnum
      Returns the number of documents containing the current term. Do not call this when the enum is unpositioned. TermsEnum.SeekStatus.END.
      Specified by:
      docFreq in class TermsEnum

    • totalTermFreq

      public long totalTermFreq()
      Description copied from class: TermsEnum
      Returns the total number of occurrences of this term across all documents (the sum of the freq() for each doc that has this term). Note that, like other term measures, this measure does not take deleted documents into account.
      Specified by:
      totalTermFreq in class TermsEnum

    • postings

      public PostingsEnum postings(PostingsEnum reuse, int flags)
      Description copied from class: TermsEnum
      Get PostingsEnum for the current term, with control over whether freqs, positions, offsets or payloads are required. Do not call this when the enum is unpositioned. This method will not return null.

      NOTE: the returned iterator may return deleted documents, so deleted documents have to be checked on top of the PostingsEnum.

      Specified by:
      postings in class TermsEnum
      Parameters:
      reuse - pass a prior PostingsEnum for possible reuse
      flags - specifies which optional per-document values you require; see PostingsEnum.FREQS

    • impacts

      public ImpactsEnum impacts(int flags) throws IOException
      Description copied from class: TermsEnum
      Return a ImpactsEnum.
      Specified by:
      impacts in class TermsEnum
      Throws:
      IOException
      See Also:

    • seekCeil

      public TermsEnum.SeekStatus seekCeil(BytesRef term)
      Description copied from class: TermsEnum
      Seeks to the specified term, if it exists, or to the next (ceiling) term. Returns SeekStatus to indicate whether exact term was found, a different term was found, or EOF was hit. The target term may be before or after the current term. If this returns SeekStatus.END, the enum is unpositioned.
      Specified by:
      seekCeil in class TermsEnum

    • seekExact

      public void seekExact(long ord)
      Description copied from class: TermsEnum
      Seeks to the specified term by ordinal (position) as previously returned by TermsEnum.ord(). The target ord may be before or after the current ord, and must be within bounds.
      Specified by:
      seekExact in class TermsEnum