Package org.elasticsearch.index.snapshots.blobstore

Class BlobStoreIndexShardSnapshot.FileInfo

java.lang.Object

org.elasticsearch.index.snapshots.blobstore.BlobStoreIndexShardSnapshot.FileInfo

Enclosing class:

BlobStoreIndexShardSnapshot

public static class BlobStoreIndexShardSnapshot.FileInfo
extends java.lang.Object

Information about snapshotted file

Constructor Summary

Constructors

Constructor	Description
FileInfo(java.lang.String name, StoreFileMetaData metaData, ByteSizeValue partSize)	Constructs a new instance of file info

Method Summary

Modifier and Type	Method	Description
static java.lang.String	canonicalName(java.lang.String blobName)	Returns base file name from part name
java.lang.String	checksum()	Returns file md5 checksum provided by Store
static BlobStoreIndexShardSnapshot.FileInfo	fromXContent(XContentParser parser)	Parses JSON that represents file info
boolean	hasUnknownChecksum()	Checks if the checksum for the file is unknown.
boolean	isSame(BlobStoreIndexShardSnapshot.FileInfo fileInfo)	Checks if a file in a store is the same file
boolean	isSame(StoreFileMetaData md)	Checks if a file in a store is the same file
long	length()	File length
StoreFileMetaData	metadata()	Returns the StoreFileMetaData for this file info.
java.lang.String	name()	Returns the base file name
long	numberOfParts()	Returns number of parts
long	partBytes(int part)	Returns the size (in bytes) of a given part
java.lang.String	partName(long part)	Returns part name if file is stored as multiple parts
ByteSizeValue	partSize()	Returns part size
java.lang.String	physicalName()	Returns original file name
java.lang.String	toString()
static void	toXContent(BlobStoreIndexShardSnapshot.FileInfo file, XContentBuilder builder, ToXContent.Params params)	Serializes file info into JSON

Methods inherited from class java.lang.Object

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

Constructor Detail

FileInfo

public FileInfo(java.lang.String name,
                StoreFileMetaData metaData,
                ByteSizeValue partSize)

Constructs a new instance of file info

Parameters:

name - file name as stored in the blob store

metaData - the files meta data

partSize - size of the single chunk

Method Detail

name

public java.lang.String name()

Returns the base file name

Returns:

file name

partName

public java.lang.String partName(long part)

Returns part name if file is stored as multiple parts

Parameters:

part - part number

Returns:

part name

canonicalName

public static java.lang.String canonicalName(java.lang.String blobName)

Returns base file name from part name

Parameters:

blobName - part name

Returns:

base file name

physicalName

public java.lang.String physicalName()

Returns original file name

Returns:

original file name

length

public long length()

File length

Returns:

file length

partSize

public ByteSizeValue partSize()

Returns part size

Returns:

part size

partBytes

public long partBytes(int part)

Returns the size (in bytes) of a given part

Returns:

the size (in bytes) of a given part

numberOfParts

public long numberOfParts()

Returns number of parts

Returns:

number of parts

checksum

public java.lang.String checksum()

Returns file md5 checksum provided by Store

Returns:

file checksum

metadata

public StoreFileMetaData metadata()

Returns the StoreFileMetaData for this file info.

isSame

public boolean isSame(StoreFileMetaData md)

Checks if a file in a store is the same file

Parameters:

md - file in a store

Returns:

true if file in a store this this file have the same checksum and length

isSame

public boolean isSame(BlobStoreIndexShardSnapshot.FileInfo fileInfo)

Checks if a file in a store is the same file

Parameters:

fileInfo - file in a store

Returns:

true if file in a store this this file have the same checksum and length

hasUnknownChecksum

public boolean hasUnknownChecksum()

Checks if the checksum for the file is unknown. This only is possible on an empty shard's segments_N file which was created in older Lucene versions.

toXContent

public static void toXContent(BlobStoreIndexShardSnapshot.FileInfo file,
                              XContentBuilder builder,
                              ToXContent.Params params)
                       throws java.io.IOException

Serializes file info into JSON

Parameters:

file - file info

builder - XContent builder

params - parameters

Throws:

java.io.IOException

fromXContent

public static BlobStoreIndexShardSnapshot.FileInfo fromXContent(XContentParser parser)
                                                         throws java.io.IOException

Parses JSON that represents file info

Parameters:

parser - parser

Returns:

file info

Throws:

java.io.IOException

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object