org.apache.ignite.internal.processors.igfs

Class IgfsFileInfo

java.lang.Object

org.apache.ignite.internal.processors.igfs.IgfsEntryInfo

org.apache.ignite.internal.processors.igfs.IgfsFileInfo

All Implemented Interfaces:

Externalizable, Serializable, Binarylizable

public final class IgfsFileInfo
extends IgfsEntryInfo
implements Binarylizable

IGFS file info.

See Also:

Serialized Form

Field Summary

Fields inherited from class org.apache.ignite.internal.processors.igfs.IgfsEntryInfo

accessTime, id, modificationTime, props

Constructor Summary

Constructors

Constructor and Description
IgfsFileInfo() Externalizable support.

Method Summary

Modifier and Type	Method and Description
IgniteUuid	affinityKey()
long	blocksCount()
int	blockSize() Get single data block size to store this file.
protected IgfsFileInfo	copy() Copy file info.
boolean	equals(Object obj)
boolean	evictExclude() Get evict exclude flag.
IgfsFileMap	fileMap()
IgfsFileInfo	fileMap(IgfsFileMap fileMap) Update file map.
boolean	hasChild(String name)
boolean	hasChild(String name, IgniteUuid expId)
boolean	hasChildren()
int	hashCode()
boolean	isFile()
long	length() Get file size.
IgfsFileInfo	length(long len) Update length.
Map<String,IgfsListingEntry>	listing()
IgfsEntryInfo	listing(Map<String,IgfsListingEntry> listing) Update listing.
IgfsFileInfo	lock(IgniteUuid lockId) Lock file.
IgniteUuid	lockId() Get lock ID.
void	readBinary(BinaryReader reader) Reads fields from provided reader.
void	readExternal(ObjectInput in)
String	toString()
IgfsFileInfo	unlock(long modificationTime) Unlock file.
void	writeBinary(BinaryWriter writer) Writes fields to provided writer.
void	writeExternal(ObjectOutput out)

Methods inherited from class org.apache.ignite.internal.processors.igfs.IgfsEntryInfo

accessModificationTime, accessTime, id, isDirectory, modificationTime, properties, properties, readBinary, writeBinary

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

IgfsFileInfo

public IgfsFileInfo()

Externalizable support.

Method Detail

length

public IgfsFileInfo length(long len)

Update length.

Specified by:

length in class IgfsEntryInfo

Parameters:

len - New length.

Returns:

Updated file info.

listing

public IgfsEntryInfo listing(@Nullable
                             Map<String,IgfsListingEntry> listing)

Update listing.

Specified by:

listing in class IgfsEntryInfo

Parameters:

listing - Listing.

Returns:

Updated file info.

lock

public IgfsFileInfo lock(IgniteUuid lockId)

Lock file.

Specified by:

lock in class IgfsEntryInfo

Parameters:

lockId - Lock ID.

Returns:

Update file info.

unlock

public IgfsFileInfo unlock(long modificationTime)

Unlock file.

Specified by:

unlock in class IgfsEntryInfo

Parameters:

modificationTime - Modification time.

Returns:

Updated file info.

fileMap

public IgfsFileInfo fileMap(IgfsFileMap fileMap)

Update file map.

Specified by:

fileMap in class IgfsEntryInfo

Parameters:

fileMap - File affinity map.

Returns:

Updated file info.

copy

protected IgfsFileInfo copy()

Copy file info.

Specified by:

copy in class IgfsEntryInfo

Returns:

Copy.

isFile

public boolean isFile()

Specified by:

isFile in class IgfsEntryInfo

Returns:

True if this is a file.

length

public long length()

Get file size.

Specified by:

length in class IgfsEntryInfo

Returns:

File size.

blockSize

public int blockSize()

Get single data block size to store this file.

Specified by:

blockSize in class IgfsEntryInfo

Returns:

Single data block size to store this file.

blocksCount

public long blocksCount()

Specified by:

blocksCount in class IgfsEntryInfo

Returns:

Number of data blocks to store this file.

listing

public Map<String,IgfsListingEntry> listing()

Specified by:

listing in class IgfsEntryInfo

Returns:

Directory listing.

hasChildren

public boolean hasChildren()

Specified by:

hasChildren in class IgfsEntryInfo

Returns:

True if at least one child exists.

hasChild

public boolean hasChild(String name)

Specified by:

hasChild in class IgfsEntryInfo

Parameters:

name - Child name.

Returns:

True if child with such name exists.

hasChild

public boolean hasChild(String name,
                        IgniteUuid expId)

Specified by:

hasChild in class IgfsEntryInfo

Parameters:

name - Child name.

expId - Expected child ID.

Returns:

True if child with such name exists.

affinityKey

@Nullable
public IgniteUuid affinityKey()

Specified by:

affinityKey in class IgfsEntryInfo

Returns:

Affinity key used for single-node file collocation. If null, usual mapper procedure is used for block affinity detection.

fileMap

public IgfsFileMap fileMap()

Specified by:

fileMap in class IgfsEntryInfo

Returns:

File affinity map.

lockId

@Nullable
public IgniteUuid lockId()

Get lock ID.

Specified by:

lockId in class IgfsEntryInfo

Returns:

Lock ID if file is locked or null if file is free of locks.

evictExclude

public boolean evictExclude()

Get evict exclude flag.

Specified by:

evictExclude in class IgfsEntryInfo

Returns:

Evict exclude flag.

writeExternal

public void writeExternal(ObjectOutput out)
                   throws IOException

Specified by:

writeExternal in interface Externalizable

Overrides:

writeExternal in class IgfsEntryInfo

Throws:

IOException

readExternal

public void readExternal(ObjectInput in)
                  throws IOException,
                         ClassNotFoundException

Specified by:

readExternal in interface Externalizable

Overrides:

readExternal in class IgfsEntryInfo

Throws:

IOException

ClassNotFoundException

writeBinary

public void writeBinary(BinaryWriter writer)
                 throws BinaryObjectException

Writes fields to provided writer.

Specified by:

writeBinary in interface Binarylizable

Parameters:

writer - Binary object writer.

Throws:

BinaryObjectException - In case of error.

readBinary

public void readBinary(BinaryReader reader)
                throws BinaryObjectException

Reads fields from provided reader.

Specified by:

readBinary in interface Binarylizable

Parameters:

reader - Binary object reader.

Throws:

BinaryObjectException - In case of error.

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

toString

public String toString()

Overrides:

toString in class IgfsEntryInfo