Package org.apache.lucene.search.uhighlight

Class UnifiedHighlighter.LimitedStoredFieldVisitor

java.lang.Object

org.apache.lucene.index.StoredFieldVisitor

org.apache.lucene.search.uhighlight.UnifiedHighlighter.LimitedStoredFieldVisitor

Enclosing class:

UnifiedHighlighter

protected static class UnifiedHighlighter.LimitedStoredFieldVisitor
extends StoredFieldVisitor

Fetches stored fields for highlighting. Uses a multi-val separator char and honors a max length to retrieve.

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.lucene.index.StoredFieldVisitor

StoredFieldVisitor.Status

Field Summary

Fields

Modifier and Type	Field	Description
protected int	currentField
protected final String[]	fields
protected final int	maxLength
protected CharSequence[]	values
protected final char	valueSeparator

Constructor Summary

Constructors

Constructor	Description
LimitedStoredFieldVisitor(String[] fields, char valueSeparator, int maxLength)

Method Summary

Modifier and Type	Method	Description
(package private) CharSequence[]	getValuesByField()
(package private) void	init()
StoredFieldVisitor.Status	needsField(FieldInfo fieldInfo)	Hook before processing a field.
void	stringField(FieldInfo fieldInfo, byte[] byteValue)	Process a string field; the provided byte[] value is a UTF-8 encoded string value.

Methods inherited from class org.apache.lucene.index.StoredFieldVisitor

binaryField, doubleField, floatField, intField, longField

Methods inherited from class java.lang.Object

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

Field Details

fields

protected final String[] fields

valueSeparator

protected final char valueSeparator

maxLength

protected final int maxLength

values

protected CharSequence[] values

currentField

protected int currentField

Constructor Details

LimitedStoredFieldVisitor

public LimitedStoredFieldVisitor(String[] fields,
 char valueSeparator,
 int maxLength)

Method Details

init

void init()

stringField

public void stringField(FieldInfo fieldInfo,
 byte[] byteValue)
                 throws IOException

Description copied from class: StoredFieldVisitor

Process a string field; the provided byte[] value is a UTF-8 encoded string value.

Overrides:

stringField in class StoredFieldVisitor

Throws:

IOException

needsField

public StoredFieldVisitor.Status needsField(FieldInfo fieldInfo)
                                     throws IOException

Description copied from class: StoredFieldVisitor

Hook before processing a field. Before a field is processed, this method is invoked so that subclasses can return a StoredFieldVisitor.Status representing whether they need that particular field or not, or to stop processing entirely.

Specified by:

needsField in class StoredFieldVisitor

Throws:

IOException

getValuesByField

CharSequence[] getValuesByField()