org.apache.ignite.internal.processors.igfs

Class IgfsBlockLocationImpl

java.lang.Object

org.apache.ignite.internal.processors.igfs.IgfsBlockLocationImpl

All Implemented Interfaces:

Externalizable, Serializable, Binarylizable, IgfsBlockLocation

public class IgfsBlockLocationImpl
extends Object
implements IgfsBlockLocation, Externalizable, Binarylizable

File block location in the grid.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
IgfsBlockLocationImpl() Empty constructor for externalizable.
IgfsBlockLocationImpl(IgfsBlockLocation location, long len)
IgfsBlockLocationImpl(long start, long len, Collection<ClusterNode> nodes)
IgfsBlockLocationImpl(long start, long len, Collection<String> names, Collection<String> hosts)
IgfsBlockLocationImpl(long start, long len, IgfsBlockLocation block)

Method Summary

Methods

Modifier and Type	Method and Description
boolean	equals(Object o)
int	hashCode()
Collection<String>	hosts() Compliant with Hadoop interface.
void	increaseLength(long addLen)
long	length() Length of the data block in the file.
void	length(long len)
Collection<String>	names() Compliant with Hadoop interface.
Collection<UUID>	nodeIds() Nodes this block belongs to.
void	readBinary(BinaryReader reader) Reads fields from provided reader.
void	readExternal(ObjectInput in)
long	start() Start position in the file this block relates to.
String	toString()
void	writeBinary(BinaryWriter writer) Writes fields to provided writer.
void	writeExternal(ObjectOutput out)

Methods inherited from class java.lang.Object

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

Constructor Detail

IgfsBlockLocationImpl

public IgfsBlockLocationImpl()

Empty constructor for externalizable.

IgfsBlockLocationImpl

public IgfsBlockLocationImpl(IgfsBlockLocation location,
                     long len)

Parameters:

location - HDFS block location.

len - New length.

IgfsBlockLocationImpl

public IgfsBlockLocationImpl(long start,
                     long len,
                     Collection<ClusterNode> nodes)

Parameters:

start - Start.

len - Length.

nodes - Affinity nodes.

IgfsBlockLocationImpl

public IgfsBlockLocationImpl(long start,
                     long len,
                     IgfsBlockLocation block)

Parameters:

start - Start.

len - Length.

block - Block.

IgfsBlockLocationImpl

public IgfsBlockLocationImpl(long start,
                     long len,
                     Collection<String> names,
                     Collection<String> hosts)

Parameters:

start - Start.

len - Length.

names - Collection of host:port addresses.

hosts - Collection of host:port addresses.

Method Detail

start

public long start()

Description copied from interface: IgfsBlockLocation

Start position in the file this block relates to.

Specified by:

start in interface IgfsBlockLocation

Returns:

Start position.

length

public long length()

Description copied from interface: IgfsBlockLocation

Length of the data block in the file.

Specified by:

length in interface IgfsBlockLocation

Returns:

Length.

increaseLength

public void increaseLength(long addLen)

Parameters:

addLen - Length to increase.

length

public void length(long len)

Parameters:

len - Block length.

nodeIds

public Collection<UUID> nodeIds()

Description copied from interface: IgfsBlockLocation

Nodes this block belongs to. First node id in collection is primary node id.

Specified by:

nodeIds in interface IgfsBlockLocation

Returns:

Node IDs.

names

public Collection<String> names()

Compliant with Hadoop interface.

Specified by:

names in interface IgfsBlockLocation

Returns:

Collection of host:port addresses.

hosts

public Collection<String> hosts()

Compliant with Hadoop interface.

Specified by:

hosts in interface IgfsBlockLocation

Returns:

Collection of host names.

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object o)

Overrides:

equals in class Object

toString

public String toString()

Overrides:

toString in class Object

writeExternal

public void writeExternal(ObjectOutput out)
                   throws IOException

Specified by:

writeExternal in interface Externalizable

Throws:

IOException

readExternal

public void readExternal(ObjectInput in)
                  throws IOException

Specified by:

readExternal in interface Externalizable

Throws:

IOException

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.