org.apache.lucene.index

Class MultiDocValues.EmptyFixedDocValues

java.lang.Object

org.apache.lucene.index.DocValues

org.apache.lucene.index.MultiDocValues.EmptyFixedDocValues

All Implemented Interfaces:

Closeable

Enclosing class:

MultiDocValues

public static class MultiDocValues.EmptyFixedDocValues
extends DocValues

Nested Class Summary

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

DocValues.SortedSource, DocValues.Source, DocValues.SourceCache, DocValues.Type

Field Summary

Fields inherited from class org.apache.lucene.index.DocValues

EMPTY_ARRAY

Constructor Summary

Constructors

Constructor and Description
MultiDocValues.EmptyFixedDocValues(int maxDoc, DocValues.Type type, int valueSize)

Method Summary

Methods

Modifier and Type	Method and Description
DocValues.Source	getDirectSource() Returns a disk resident DocValues.Source instance.
DocValues.Type	getType() Returns the DocValues.Type of this DocValues instance
int	getValueSize() Returns the size per value in bytes or -1 iff size per value is variable.
DocValues.Source	load() Loads a new DocValues.Source instance for this DocValues field instance.

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

close, getDefaultSortedSource, getDefaultSource, getSource, setCache

Methods inherited from class java.lang.Object

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

Constructor Detail

MultiDocValues.EmptyFixedDocValues

public MultiDocValues.EmptyFixedDocValues(int maxDoc,
                                  DocValues.Type type,
                                  int valueSize)

Method Detail

load

public DocValues.Source load()
                      throws IOException

Description copied from class: DocValues

Loads a new DocValues.Source instance for this DocValues field instance. Source instances returned from this method are not cached. It is the callers responsibility to maintain the instance and release its resources once the source is not needed anymore.

For managed DocValues.Source instances see DocValues.getSource().

Specified by:

load in class DocValues

Throws:

IOException

See Also:

DocValues.getSource(), DocValues.setCache(SourceCache)

getType

public DocValues.Type getType()

Description copied from class: DocValues

Returns the DocValues.Type of this DocValues instance

Specified by:

getType in class DocValues

getValueSize

public int getValueSize()

Description copied from class: DocValues

Returns the size per value in bytes or -1 iff size per value is variable.

Overrides:

getValueSize in class DocValues

Returns:

the size per value in bytes or -1 iff size per value is variable.

getDirectSource

public DocValues.Source getDirectSource()
                                 throws IOException

Description copied from class: DocValues

Returns a disk resident DocValues.Source instance. Direct Sources are not cached in the DocValues.SourceCache and should not be shared between threads.

Specified by:

getDirectSource in class DocValues

Throws:

IOException