org.apache.lucene.codecs.compressing

Class CompressingTermVectorsReader

java.lang.Object

org.apache.lucene.codecs.TermVectorsReader

org.apache.lucene.codecs.compressing.CompressingTermVectorsReader

All Implemented Interfaces:

Closeable, AutoCloseable, Cloneable, Accountable

public final class CompressingTermVectorsReader
extends TermVectorsReader
implements Closeable

TermVectorsReader for CompressingTermVectorsFormat.

WARNING: This API is experimental and might change in incompatible ways in the next release.

Field Summary

Fields inherited from interface org.apache.lucene.util.Accountable

NULL_ACCOUNTABLE

Constructor Summary

Constructors

Constructor and Description
CompressingTermVectorsReader(Directory d, SegmentInfo si, String segmentSuffix, FieldInfos fn, IOContext context, String formatName, CompressionMode compressionMode) Sole constructor.

Method Summary

Modifier and Type	Method and Description
void	checkIntegrity() Checks consistency of this reader.
TermVectorsReader	clone() Create a clone that one caller at a time may use to read term vectors.
void	close()
Fields	get(int doc) Returns term vectors for this document, or null if term vectors were not indexed.
Collection<Accountable>	getChildResources() Returns nested resources of this class.
long	ramBytesUsed() Return the memory usage of this object in bytes.
String	toString()

Methods inherited from class org.apache.lucene.codecs.TermVectorsReader

getMergeInstance

Methods inherited from class java.lang.Object

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

Constructor Detail

CompressingTermVectorsReader

public CompressingTermVectorsReader(Directory d,
                                    SegmentInfo si,
                                    String segmentSuffix,
                                    FieldInfos fn,
                                    IOContext context,
                                    String formatName,
                                    CompressionMode compressionMode)
                             throws IOException

Sole constructor.

Throws:

IOException

Method Detail

close

public void close()
           throws IOException

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable

Throws:

IOException

clone

public TermVectorsReader clone()

Description copied from class: TermVectorsReader

Create a clone that one caller at a time may use to read term vectors.

Specified by:

clone in class TermVectorsReader

get

public Fields get(int doc)
           throws IOException

Description copied from class: TermVectorsReader

Returns term vectors for this document, or null if term vectors were not indexed. If offsets are available they are in an OffsetAttribute available from the PostingsEnum.

Specified by:

get in class TermVectorsReader

Throws:

IOException

ramBytesUsed

public long ramBytesUsed()

Description copied from interface: Accountable

Return the memory usage of this object in bytes. Negative values are illegal.

Specified by:

ramBytesUsed in interface Accountable

getChildResources

public Collection<Accountable> getChildResources()

Description copied from interface: Accountable

Returns nested resources of this class. The result should be a point-in-time snapshot (to avoid race conditions).

Specified by:

getChildResources in interface Accountable

See Also:

Accountables

checkIntegrity

public void checkIntegrity()
                    throws IOException

Description copied from class: TermVectorsReader

Checks consistency of this reader.

Note that this may be costly in terms of I/O, e.g. may involve computing a checksum value against large data files.

Specified by:

checkIntegrity in class TermVectorsReader

Throws:

IOException

toString

public String toString()

Overrides:

toString in class Object