Class PhraseMatcher

  • Direct Known Subclasses:
    ExactPhraseMatcher, SloppyPhraseMatcher

    public abstract class PhraseMatcher
    extends Object
    Base class for exact and sloppy phrase matching

    To find matches on a document, first advance approximation() to the relevant document, then call reset(). Clients can then call nextMatch() to iterate over the matches

    NOTE: This API is for internal purposes only and might change in incompatible ways in the next release.
    • Method Detail

      • nextMatch

        public abstract boolean nextMatch()
                                   throws IOException
        Find the next match on the current document, returning false if there are none.
        Throws:
        IOException
      • getMatchCost

        public float getMatchCost()
        An estimate of the average cost of finding all matches on a document
        See Also:
        TwoPhaseIterator.matchCost()