org.apache.ignite.ml.math.distributed.keys.impl

Class MatrixBlockKey

java.lang.Object

org.apache.ignite.ml.math.distributed.keys.impl.MatrixBlockKey

All Implemented Interfaces:

Externalizable, Serializable, Binarylizable, DataStructureCacheKey, MatrixBlockKey

public class MatrixBlockKey
extends Object
implements MatrixBlockKey, Externalizable, Binarylizable

Key implementation for MatrixBlockEntry using for SparseBlockDistributedMatrix.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
MatrixBlockKey() Empty constructor required for Externalizable.
MatrixBlockKey(long rowId, long colId, UUID matrixUuid, UUID affinityKey) Construct matrix block key.

Method Summary

Modifier and Type	Method and Description
UUID	affinityKey()
long	blockColId()
long	blockRowId()
UUID	dataStructureId()
boolean	equals(Object obj)
int	hashCode()
void	readBinary(BinaryReader reader) Reads fields from provided reader.
void	readExternal(ObjectInput in)
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

MatrixBlockKey

public MatrixBlockKey()

Empty constructor required for Externalizable.

MatrixBlockKey

public MatrixBlockKey(long rowId,
                      long colId,
                      UUID matrixUuid,
                      @Nullable
                      UUID affinityKey)

Construct matrix block key.

Parameters:

matrixUuid - Matrix uuid.

affinityKey - Affinity key.

Method Detail

blockRowId

public long blockRowId()

Specified by:

blockRowId in interface MatrixBlockKey

Returns:

block row id.

blockColId

public long blockColId()

Specified by:

blockColId in interface MatrixBlockKey

Returns:

block col id.

dataStructureId

public UUID dataStructureId()

Specified by:

dataStructureId in interface DataStructureCacheKey

Returns:

matrix id.

affinityKey

public UUID affinityKey()

Specified by:

affinityKey in interface DataStructureCacheKey

Returns:

affinity key.

writeExternal

public void writeExternal(ObjectOutput out)
                   throws IOException

Specified by:

writeExternal in interface Externalizable

Throws:

IOException

readExternal

public void readExternal(ObjectInput in)
                  throws IOException,
                         ClassNotFoundException

Specified by:

readExternal in interface Externalizable

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 Object