Package org.apache.lucene.search.vectorhighlight

## Class FieldFragList

- java.lang.Object
- - org.apache.lucene.search.vectorhighlight.FieldFragList

- Direct Known Subclasses:
    `SimpleFieldFragList`, `WeightedFieldFragList`

      public abstract class FieldFragList
      extends Object

  FieldFragList has a list of "frag info" that is used by FragmentsBuilder class to create fragments (snippets).

- - ### Nested Class Summary

    Nested Classes
    Modifier and Type | Class | Description
    --- | --- | ---
    `static class` | `FieldFragList.WeightedFragInfo` | List of term offsets + weight for a frag info

  - ### Constructor Summary

    Constructors
    Constructor | Description
    --- | ---
    `FieldFragList​(int fragCharSize)` | a constructor.

  - ### Method Summary

    All Methods Instance Methods Abstract Methods Concrete Methods
    Modifier and Type | Method | Description
    --- | --- | ---
    `abstract void` | `add​(int startOffset, int endOffset, List<FieldPhraseList.WeightedPhraseInfo> phraseInfoList)` | convert the list of WeightedPhraseInfo to WeightedFragInfo, then add it to the fragInfos
    `List<FieldFragList.WeightedFragInfo>` | `getFragInfos()` | return the list of WeightedFragInfos.

    - ### Methods inherited from class java.lang.Object

      `clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

- - ### Constructor Detail

    - #### FieldFragList

          public FieldFragList​(int fragCharSize)

      a constructor.
      Parameters:
        `fragCharSize` - the length (number of chars) of a fragment

  - ### Method Detail

    - #### add

          public abstract void add​(int startOffset,
                                   int endOffset,
                                   List<FieldPhraseList.WeightedPhraseInfo> phraseInfoList)

      convert the list of WeightedPhraseInfo to WeightedFragInfo, then add it to the fragInfos
      Parameters:
        `startOffset` - start offset of the fragment
        `endOffset` - end offset of the fragment
        `phraseInfoList` - list of WeightedPhraseInfo objects

    - #### getFragInfos

          public List<FieldFragList.WeightedFragInfo> getFragInfos()

      return the list of WeightedFragInfos.
      Returns:
        fragInfos.