org.apache.lucene.codecs.compressing

Class CompressingStoredFieldsReader

java.lang.Object

org.apache.lucene.codecs.StoredFieldsReader

org.apache.lucene.codecs.compressing.CompressingStoredFieldsReader

All Implemented Interfaces:

Closeable, AutoCloseable, Cloneable, Accountable

public final class CompressingStoredFieldsReader
extends StoredFieldsReader

StoredFieldsReader impl for CompressingStoredFieldsFormat.

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
CompressingStoredFieldsReader(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.
StoredFieldsReader	clone()
void	close() Close the underlying IndexInputs.
Collection<Accountable>	getChildResources() Returns nested resources of this class.
StoredFieldsReader	getMergeInstance() Returns an instance optimized for merging.
long	ramBytesUsed() Return the memory usage of this object in bytes.
String	toString()
void	visitDocument(int docID, StoredFieldVisitor visitor) Visit the stored fields for document docID

Methods inherited from class java.lang.Object

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

Constructor Detail

CompressingStoredFieldsReader

public CompressingStoredFieldsReader(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

Close the underlying IndexInputs.

Throws:

IOException

visitDocument

public void visitDocument(int docID,
                          StoredFieldVisitor visitor)
                   throws IOException

Description copied from class: StoredFieldsReader

Visit the stored fields for document docID

Specified by:

visitDocument in class StoredFieldsReader

Throws:

IOException

clone

public StoredFieldsReader clone()

Specified by:

clone in class StoredFieldsReader

getMergeInstance

public StoredFieldsReader getMergeInstance()

Description copied from class: StoredFieldsReader

Returns an instance optimized for merging. This instance may not be cloned.

The default implementation returns this

Overrides:

getMergeInstance in class StoredFieldsReader

ramBytesUsed

public long ramBytesUsed()

Description copied from interface: Accountable

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

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).

See Also:

Accountables

checkIntegrity

public void checkIntegrity()
                    throws IOException

Description copied from class: StoredFieldsReader

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 StoredFieldsReader

Throws:

IOException

toString

public String toString()

Overrides:

toString in class Object