Package com.yahoo.prelude.query

Class PhraseSegmentItem

    • Constructor Detail

      • PhraseSegmentItem

        public PhraseSegmentItem​(AndSegmentItem andSegment)
        Creates a phrase containing the same words and state (as pertinent) as the given SegmentAndItem.

      • PhraseSegmentItem

        public PhraseSegmentItem​(java.lang.String rawWord,
                         boolean isFromQuery,
                         boolean stemmed)

      • PhraseSegmentItem

        public PhraseSegmentItem​(java.lang.String rawWord,
                         java.lang.String current,
                         boolean isFromQuery,
                         boolean stemmed)
        Creates a phrase segment from strings
        Parameters:
        rawWord - the raw text as received in the request
        current - the normalized form of the raw text, or the raw text repeated if no normalized form is known
        isFromQuery - whether this originates in the request
        stemmed - whether this is stemmed

      • PhraseSegmentItem

        public PhraseSegmentItem​(java.lang.String rawWord,
                         java.lang.String current,
                         boolean isFromQuery,
                         boolean stemmed,
                         Substring substring)

    • Method Detail

      • 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

      • setWeight

        public void setWeight​(int weight)
        Description copied from class: Item
        Sets the relative importance of this term
        Overrides:
        setWeight in class Item

      • addItem

        public void addItem​(Item item)
        Adds subitem. The word will have its index name set to the index name of this phrase. If the item is a word, it will simply be added, if the item is a phrase, each of the words of the phrase will be added.
        Overrides:
        addItem in class SegmentItem
        Throws:
        java.lang.IllegalArgumentException - if the given item is not a WordItem or PhraseItem

      • extractSingleChild

        public java.util.Optional<Item> extractSingleChild()
        Description copied from class: CompositeItem
        Will return its single child if itself can safely be omitted.
        Overrides:
        extractSingleChild in class CompositeItem
        Returns:
        a valid Item or empty Optional if it can not be done

      • getWordItem

        public WordItem getWordItem​(int index)
        Returns a subitem as a word item
        Parameters:
        index - the (0-base) index of the item to return
        Throws:
        java.lang.IndexOutOfBoundsException - if there is no subitem at index

      • encodeThis

        protected void encodeThis​(java.nio.ByteBuffer buffer)
        Description copied from class: CompositeItem
        Encodes just this item, not it's usual subitems, to the given buffer.
        Overrides:
        encodeThis in class IndexedSegmentItem

      • encode

        public int encode​(java.nio.ByteBuffer buffer)
        Overrides:
        encode in class CompositeItem

      • encodeContent

        public int encodeContent​(java.nio.ByteBuffer buffer)

      • shouldParenthize

        protected boolean shouldParenthize()
        Returns false, no parenthezes for phrases
        Overrides:
        shouldParenthize in class CompositeItem

      • appendHeadingString

        protected void appendHeadingString​(java.lang.StringBuilder buffer)
        Segment phrase items uses a empty heading instead of "SPHRASE "
        Overrides:
        appendHeadingString in class Item

      • appendBodyString

        protected void appendBodyString​(java.lang.StringBuilder buffer)
        Description copied from class: Item
        Override to append the item body in the canonical query language of this item. An item is usually represented by the string 
         ([itemName] [body])
        The body must be appended appended by this method.
        Overrides:
        appendBodyString in class CompositeItem

      • equals

        public boolean equals​(java.lang.Object object)
        Description copied from class: CompositeItem
        Returns whether this item is of the same class and contains the same state as the given item
        Overrides:
        equals in class IndexedSegmentItem

      • 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 IndexedSegmentItem
        Returns:
        a string representation of what is presumably stored in an index which will match this item

      • isExplicit

        public boolean isExplicit()

      • setExplicit

        public void setExplicit​(boolean explicit)

      • disclose

        public void disclose​(com.yahoo.prelude.query.textualrepresentation.Discloser discloser)
        Overrides:
        disclose in class IndexedSegmentItem