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 and Description
protected int	currentField
protected java.lang.String[]	fields
protected int	maxLength
protected java.lang.CharSequence[]	values
protected char	valueSeparator

Constructor Summary

Constructors

Constructor and Description
LimitedStoredFieldVisitor(java.lang.String[] fields, char valueSeparator, int maxLength)

Method Summary

Modifier and Type	Method and Description
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 Detail

fields

protected final java.lang.String[] fields

valueSeparator

protected final char valueSeparator

maxLength

protected final int maxLength

values

protected java.lang.CharSequence[] values

currentField

protected int currentField

Constructor Detail

LimitedStoredFieldVisitor

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

Method Detail

stringField

public void stringField(FieldInfo fieldInfo,
                        byte[] byteValue)
                 throws java.io.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:

java.io.IOException

needsField

public StoredFieldVisitor.Status needsField(FieldInfo fieldInfo)
                                     throws java.io.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:

java.io.IOException