Package org.elasticsearch.index.fieldvisitor

Class SingleFieldsVisitor

java.lang.Object

org.apache.lucene.index.StoredFieldVisitor

org.elasticsearch.index.fieldvisitor.SingleFieldsVisitor

public final class SingleFieldsVisitor
extends StoredFieldVisitor

StoredFieldVisitor that loads a single field value.

Nested Class Summary

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

StoredFieldVisitor.Status

Constructor Summary

Constructors

Constructor	Description
SingleFieldsVisitor(MappedFieldType field, List<Object> destination)	Build the field visitor;

Method Summary

Modifier and Type	Method	Description
void	binaryField(FieldInfo fieldInfo, byte[] value)	Process a binary field.
void	doubleField(FieldInfo fieldInfo, double value)	Process a double numeric field.
void	floatField(FieldInfo fieldInfo, float value)	Process a float numeric field.
void	intField(FieldInfo fieldInfo, int value)	Process a int numeric field.
void	longField(FieldInfo fieldInfo, long value)	Process a long numeric field.
StoredFieldVisitor.Status	needsField(FieldInfo fieldInfo)	Hook before processing a field.
void	stringField(FieldInfo fieldInfo, byte[] bytes)	Process a string field; the provided byte[] value is a UTF-8 encoded string value.

Methods inherited from class java.lang.Object

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

Constructor Detail

SingleFieldsVisitor

public SingleFieldsVisitor(MappedFieldType field,
                           List<Object> destination)

Build the field visitor;

Parameters:

field - the name of the field to load

destination - where to put the field's values

Method Detail

needsField

public StoredFieldVisitor.Status needsField(FieldInfo fieldInfo)

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

binaryField

public void binaryField(FieldInfo fieldInfo,
                        byte[] value)

Description copied from class: StoredFieldVisitor

Process a binary field.

Overrides:

binaryField in class StoredFieldVisitor

value - newly allocated byte array with the binary contents.

stringField

public void stringField(FieldInfo fieldInfo,
                        byte[] bytes)

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

intField

public void intField(FieldInfo fieldInfo,
                     int value)

Description copied from class: StoredFieldVisitor

Process a int numeric field.

Overrides:

intField in class StoredFieldVisitor

longField

public void longField(FieldInfo fieldInfo,
                      long value)

Description copied from class: StoredFieldVisitor

Process a long numeric field.

Overrides:

longField in class StoredFieldVisitor

floatField

public void floatField(FieldInfo fieldInfo,
                       float value)

Description copied from class: StoredFieldVisitor

Process a float numeric field.

Overrides:

floatField in class StoredFieldVisitor

doubleField

public void doubleField(FieldInfo fieldInfo,
                        double value)

Description copied from class: StoredFieldVisitor

Process a double numeric field.

Overrides:

doubleField in class StoredFieldVisitor