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## org.apache.lucene.search.vectorhighlight
Class BaseFragmentsBuilder

    java.lang.Object
      org.apache.lucene.search.vectorhighlight.BaseFragmentsBuilder

All Implemented Interfaces:
  FragmentsBuilder

Direct Known Subclasses:
  ScoreOrderFragmentsBuilder, SimpleFragmentsBuilder

    public abstract class BaseFragmentsBuilder

extends Object
implements FragmentsBuilder

Field Summary
`static String[]` | `COLORED_POST_TAGS`
`static String[]` | `COLORED_PRE_TAGS`
`protected String[]` | `postTags`
`protected String[]` | `preTags`

Constructor Summary
`protected` | `BaseFragmentsBuilder()`
`protected` | `BaseFragmentsBuilder(BoundaryScanner boundaryScanner)`
`protected` | `BaseFragmentsBuilder(String[] preTags, String[] postTags)`
`protected` | `BaseFragmentsBuilder(String[] preTags, String[] postTags, BoundaryScanner boundaryScanner)`

Method Summary
`String` | `createFragment(IndexReader reader, int docId, String fieldName, FieldFragList fieldFragList)` create a fragment.
`String` | `createFragment(IndexReader reader, int docId, String fieldName, FieldFragList fieldFragList, String[] preTags, String[] postTags, Encoder encoder)` create a fragment.
`String[]` | `createFragments(IndexReader reader, int docId, String fieldName, FieldFragList fieldFragList, int maxNumFragments)` create multiple fragments.
`String[]` | `createFragments(IndexReader reader, int docId, String fieldName, FieldFragList fieldFragList, int maxNumFragments, String[] preTags, String[] postTags, Encoder encoder)` create multiple fragments.
`protected Field[]` | `getFields(IndexReader reader, int docId, String fieldName)`
`protected String[]` | `getFieldValues(IndexReader reader, int docId, String fieldName)` Deprecated.
`protected String` | `getFragmentSource(StringBuilder buffer, int[] index, Field[] values, int startOffset, int endOffset)`
`protected String` | `getFragmentSource(StringBuilder buffer, int[] index, String[] values, int startOffset, int endOffset)` Deprecated.
`protected String` | `getFragmentSourceMSO(StringBuilder buffer, int[] index, Field[] values, int startOffset, int endOffset, int[] modifiedStartOffset)`
`char` | `getMultiValuedSeparator()`
`protected String` | `getPostTag(int num)`
`protected String` | `getPostTag(String[] postTags, int num)`
`protected String` | `getPreTag(int num)`
`protected String` | `getPreTag(String[] preTags, int num)`
`abstract List<FieldFragList.WeightedFragInfo>` | `getWeightedFragInfoList(List<FieldFragList.WeightedFragInfo> src)`
`protected String` | `makeFragment(StringBuilder buffer, int[] index, Field[] values, FieldFragList.WeightedFragInfo fragInfo, String[] preTags, String[] postTags, Encoder encoder)`
`protected String` | `makeFragment(StringBuilder buffer, int[] index, String[] values, FieldFragList.WeightedFragInfo fragInfo)` Deprecated.
`void` | `setMultiValuedSeparator(char separator)`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Field Detail

### preTags

    protected String[] preTags

### postTags

    protected String[] postTags

### COLORED_PRE_TAGS

    public static final String[] COLORED_PRE_TAGS

### COLORED_POST_TAGS

    public static final String[] COLORED_POST_TAGS

Constructor Detail

### BaseFragmentsBuilder

    protected BaseFragmentsBuilder()

### BaseFragmentsBuilder

    protected BaseFragmentsBuilder(String[] preTags,
                                   String[] postTags)

### BaseFragmentsBuilder

    protected BaseFragmentsBuilder(BoundaryScanner boundaryScanner)

### BaseFragmentsBuilder

    protected BaseFragmentsBuilder(String[] preTags,
                                   String[] postTags,
                                   BoundaryScanner boundaryScanner)

Method Detail

### getWeightedFragInfoList

    public abstract List<FieldFragList.WeightedFragInfo> getWeightedFragInfoList(List<FieldFragList.WeightedFragInfo> src)

### createFragment

    public String createFragment(IndexReader reader,
                                 int docId,
                                 String fieldName,
                                 FieldFragList fieldFragList)
                          throws IOException

  Description copied from interface: `FragmentsBuilder`
  create a fragment.

  Specified by:
    `createFragment` in interface `FragmentsBuilder`
  Parameters:
    `reader` - IndexReader of the index
    `docId` - document id to be highlighted
    `fieldName` - field of the document to be highlighted
    `fieldFragList` - FieldFragList object
  Returns:
    a created fragment or null when no fragment created
  Throws:
    `IOException`

### createFragments

    public String[] createFragments(IndexReader reader,
                                    int docId,
                                    String fieldName,
                                    FieldFragList fieldFragList,
                                    int maxNumFragments)
                             throws IOException

  Description copied from interface: `FragmentsBuilder`
  create multiple fragments.

  Specified by:
    `createFragments` in interface `FragmentsBuilder`
  Parameters:
    `reader` - IndexReader of the index
    `docId` - document id to be highlighter
    `fieldName` - field of the document to be highlighted
    `fieldFragList` - FieldFragList object
    `maxNumFragments` - maximum number of fragments
  Returns:
    created fragments or null when no fragments created. size of the array can be less than maxNumFragments
  Throws:
    `IOException`

### createFragment

    public String createFragment(IndexReader reader,
                                 int docId,
                                 String fieldName,
                                 FieldFragList fieldFragList,
                                 String[] preTags,
                                 String[] postTags,
                                 Encoder encoder)
                          throws IOException

  Description copied from interface: `FragmentsBuilder`
  create a fragment.

  Specified by:
    `createFragment` in interface `FragmentsBuilder`
  Parameters:
    `reader` - IndexReader of the index
    `docId` - document id to be highlighted
    `fieldName` - field of the document to be highlighted
    `fieldFragList` - FieldFragList object
    `preTags` - pre-tags to be used to highlight terms
    `postTags` - post-tags to be used to highlight terms
    `encoder` - an encoder that generates encoded text
  Returns:
    a created fragment or null when no fragment created
  Throws:
    `IOException`

### createFragments

    public String[] createFragments(IndexReader reader,
                                    int docId,
                                    String fieldName,
                                    FieldFragList fieldFragList,
                                    int maxNumFragments,
                                    String[] preTags,
                                    String[] postTags,
                                    Encoder encoder)
                             throws IOException

  Description copied from interface: `FragmentsBuilder`
  create multiple fragments.

  Specified by:
    `createFragments` in interface `FragmentsBuilder`
  Parameters:
    `reader` - IndexReader of the index
    `docId` - document id to be highlighter
    `fieldName` - field of the document to be highlighted
    `fieldFragList` - FieldFragList object
    `maxNumFragments` - maximum number of fragments
    `preTags` - pre-tags to be used to highlight terms
    `postTags` - post-tags to be used to highlight terms
    `encoder` - an encoder that generates encoded text
  Returns:
    created fragments or null when no fragments created. size of the array can be less than maxNumFragments
  Throws:
    `IOException`

### getFieldValues

    @Deprecated
    protected String[] getFieldValues(IndexReader reader,
                                                 int docId,
                                                 String fieldName)
                               throws IOException

  Deprecated.

  Throws:
    `IOException`

### getFields

    protected Field[] getFields(IndexReader reader,
                                int docId,
                                String fieldName)
                         throws IOException

  Throws:
    `IOException`

### makeFragment

    @Deprecated
    protected String makeFragment(StringBuilder buffer,
                                             int[] index,
                                             String[] values,
                                             FieldFragList.WeightedFragInfo fragInfo)

  Deprecated.

### makeFragment

    protected String makeFragment(StringBuilder buffer,
                                  int[] index,
                                  Field[] values,
                                  FieldFragList.WeightedFragInfo fragInfo,
                                  String[] preTags,
                                  String[] postTags,
                                  Encoder encoder)

### getFragmentSourceMSO

    protected String getFragmentSourceMSO(StringBuilder buffer,
                                          int[] index,
                                          Field[] values,
                                          int startOffset,
                                          int endOffset,
                                          int[] modifiedStartOffset)

### getFragmentSource

    @Deprecated
    protected String getFragmentSource(StringBuilder buffer,
                                                  int[] index,
                                                  String[] values,
                                                  int startOffset,
                                                  int endOffset)

  Deprecated.

### getFragmentSource

    protected String getFragmentSource(StringBuilder buffer,
                                       int[] index,
                                       Field[] values,
                                       int startOffset,
                                       int endOffset)

### setMultiValuedSeparator

    public void setMultiValuedSeparator(char separator)

### getMultiValuedSeparator

    public char getMultiValuedSeparator()

### getPreTag

    protected String getPreTag(int num)

### getPostTag

    protected String getPostTag(int num)

### getPreTag

    protected String getPreTag(String[] preTags,
                               int num)

### getPostTag

    protected String getPostTag(String[] postTags,
                                int num)

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