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

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

All Implemented Interfaces:
  BoundaryScanner

    public class SimpleBoundaryScanner

extends Object
implements BoundaryScanner

Simple boundary scanner implementation that divides fragments based on a set of separator characters.

Field Summary
`protected Set<Character>` | `boundaryChars`
`static Character[]` | `DEFAULT_BOUNDARY_CHARS`
`static int` | `DEFAULT_MAX_SCAN`
`protected int` | `maxScan`

Constructor Summary
`SimpleBoundaryScanner()`
`SimpleBoundaryScanner(Character[] boundaryChars)`
`SimpleBoundaryScanner(int maxScan)`
`SimpleBoundaryScanner(int maxScan, Character[] boundaryChars)`
`SimpleBoundaryScanner(int maxScan, Set<Character> boundaryChars)`

Method Summary
`int` | `findEndOffset(StringBuilder buffer, int start)` Scan forward to find start offset.
`int` | `findStartOffset(StringBuilder buffer, int start)` Scan backward to find end offset.

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

Field Detail

### DEFAULT_MAX_SCAN

    public static final int DEFAULT_MAX_SCAN

See Also:
  Constant Field Values

### DEFAULT_BOUNDARY_CHARS

    public static final Character[] DEFAULT_BOUNDARY_CHARS

### maxScan

    protected int maxScan

### boundaryChars

    protected Set<Character> boundaryChars

Constructor Detail

### SimpleBoundaryScanner

    public SimpleBoundaryScanner()

### SimpleBoundaryScanner

    public SimpleBoundaryScanner(int maxScan)

### SimpleBoundaryScanner

    public SimpleBoundaryScanner(Character[] boundaryChars)

### SimpleBoundaryScanner

    public SimpleBoundaryScanner(int maxScan,
                                 Character[] boundaryChars)

### SimpleBoundaryScanner

    public SimpleBoundaryScanner(int maxScan,
                                 Set<Character> boundaryChars)

Method Detail

### findStartOffset

    public int findStartOffset(StringBuilder buffer,
                               int start)

  Description copied from interface: `BoundaryScanner`
  Scan backward to find end offset.

  Specified by:
    `findStartOffset` in interface `BoundaryScanner`
  Parameters:
    `buffer` - scanned object
    `start` - start offset to begin
  Returns:
    the found start offset

### findEndOffset

    public int findEndOffset(StringBuilder buffer,
                             int start)

  Description copied from interface: `BoundaryScanner`
  Scan forward to find start offset.

  Specified by:
    `findEndOffset` in interface `BoundaryScanner`
  Parameters:
    `buffer` - scanned object
    `start` - start offset to begin
  Returns:
    the found end offset

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