Class WordAlternativesItem

  • All Implemented Interfaces:
    BlockItem, HasIndexItem, IndexedItem, TaggableItem, java.lang.Cloneable

    public class WordAlternativesItem
    extends TermItem
    A set of words with differing exactness scores to be used for literal boost ranking.
    Author:
    Steinar Knutsen
    • Method Detail

      • stringValue

        public java.lang.String stringValue()
        Description copied from interface: BlockItem
        Returns the value of this term as a string
      • isStemmed

        public boolean isStemmed()
      • getNumWords

        public int getNumWords()
        Description copied from interface: HasIndexItem
        Returns how many phrase words does this item contain
      • setValue

        public void setValue​(java.lang.String value)
        Description copied from class: TermItem
        Sets the value of this item from a string.
        Specified by:
        setValue in class TermItem
      • getRawWord

        public java.lang.String getRawWord()
        Description copied from class: TermItem
        Returns the raw form of the text leading to this term, exactly as received, including original casing
        Specified by:
        getRawWord in interface BlockItem
        Specified by:
        getRawWord in class TermItem
      • isWords

        public boolean isWords()
        Description copied from interface: BlockItem
        Does this item represent "usual words"?
        Specified by:
        isWords in interface BlockItem
        Specified by:
        isWords in class TermItem
      • getIndexedString

        public java.lang.String getIndexedString()
        Description copied from interface: IndexedItem
        Return the searchable term contents of this item.
        Specified by:
        getIndexedString in interface IndexedItem
        Specified by:
        getIndexedString in class SimpleIndexedItem
        Returns:
        a string representation of what is presumably stored in an index which will match this item
      • getItemType

        public Item.ItemType getItemType()
        Description copied from class: Item
        Return the enumerated type of this item.
        Specified by:
        getItemType in class Item
      • getName

        public java.lang.String getName()
        Description copied from class: Item
        Returns the name of this item
        Specified by:
        getName in class Item
      • getAlternatives

        public java.util.List<WordAlternativesItem.Alternative> getAlternatives()
        Return an immutable snapshot of the contained terms. This list will not reflect later changes to the item.
        Returns:
        an immutable list of word alternatives and their respective scores
      • addTerm

        public void addTerm​(java.lang.String term,
                            double exactness)
        Add a new alternative iff the term string is not already present with an equal or higher exactness score. If the term string is present with a lower exactness score, the new, higher score will take precedence.
        Parameters:
        term - one of several string interpretations of the input word
        exactness - how close the term string matches what the user input