Package com.yahoo.search.predicate.index

Class ZeroConstraintPostingList

  • All Implemented Interfaces:
    PostingList
    public class ZeroConstraintPostingList
extends java.lang.Object
implements PostingList
    Wraps an int stream of document ids into a PostingList. All documents in the stream are considered matches.
    Author:
    Magnar Nedland, bjorncs

    • Constructor Detail

      • ZeroConstraintPostingList

        public ZeroConstraintPostingList​(int[] docIds)

    • Method Detail

      • nextDocument

        public boolean nextDocument​(int docId)
        Description copied from interface: PostingList
        Moves the posting list past the supplied document id.
        Specified by:
        nextDocument in interface PostingList
        Parameters:
        docId - Document id to move past.
        Returns:
        True if a new document was found

      • prepareIntervals

        public boolean prepareIntervals()
        Description copied from interface: PostingList
        Prepare iterator for interval iteration.
        Specified by:
        prepareIntervals in interface PostingList
        Returns:
        True if the iterator has any intervals.

      • nextInterval

        public boolean nextInterval()
        Description copied from interface: PostingList
        Fetches the next interval for the current document.
        Specified by:
        nextInterval in interface PostingList
        Returns:
        True if there was a next interval

      • size

        public int size()
        Specified by:
        size in interface PostingList
        Returns:
        The number of documents (actual count or estimate)

      • getInterval

        public int getInterval()
        Specified by:
        getInterval in interface PostingList
        Returns:
        The current interval for the current document

      • getDocId

        public int getDocId()
        Specified by:
        getDocId in interface PostingList
        Returns:
        The doc id for the current document

      • getSubquery

        public long getSubquery()
        Specified by:
        getSubquery in interface PostingList
        Returns:
        the subquery bitmap for this posting list.

      • getDocIds

        public int[] getDocIds()
        Specified by:
        getDocIds in interface PostingList
        Returns:
        The document ids