Package org.apache.lucene.codecs

Class TermVectorsReader

java.lang.Object

org.apache.lucene.index.TermVectors

org.apache.lucene.codecs.TermVectorsReader

All Implemented Interfaces:

Closeable, AutoCloseable, Cloneable

Direct Known Subclasses:

Lucene90CompressingTermVectorsReader

public abstract class TermVectorsReader
extends TermVectors
implements Cloneable, Closeable

Codec API for reading term vectors:

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

Field Summary

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

EMPTY

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	TermVectorsReader()	Sole constructor.

Method Summary

Modifier and Type	Method	Description
abstract void	checkIntegrity()	Checks consistency of this reader.
abstract TermVectorsReader	clone()	Create a clone that one caller at a time may use to read term vectors.
TermVectorsReader	getMergeInstance()	Returns an instance optimized for merging.

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

get, get

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.io.Closeable

close

Constructor Details

TermVectorsReader

protected TermVectorsReader()

Sole constructor. (For invocation by subclass constructors, typically implicit.)

Method Details

checkIntegrity

public abstract void checkIntegrity()
                             throws IOException

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.

Throws:

IOException

NOTE: This API is for internal purposes only and might change in incompatible ways in the next release.

clone

public abstract TermVectorsReader clone()

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

Overrides:

clone in class Object

getMergeInstance

public TermVectorsReader getMergeInstance()

Returns an instance optimized for merging. This instance may only be consumed in the thread that called getMergeInstance().

The default implementation returns this