Package org.tribuo.math.util

Class MatrixHeapMerger

java.lang.Object

org.tribuo.math.util.MatrixHeapMerger

All Implemented Interfaces:

Serializable, Merger, ProtoSerializable<org.tribuo.math.protos.MergerProto>

public class MatrixHeapMerger
extends Object
implements Merger

Merges each DenseSparseMatrix using a PriorityQueue as a heap on the MatrixIterator.

Relies upon MatrixIterator.compareTo(MatrixIterator).

See Also:

• Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
static final int	CURRENT_VERSION	Protobuf serialization version.

Fields inherited from interface org.tribuo.protos.ProtoSerializable

DESERIALIZATION_METHOD_NAME, PROVENANCE_SERIALIZER

Constructor Summary

Constructors

Constructor	Description
MatrixHeapMerger()	Constructs a HeapMerger.

Method Summary

Modifier and Type	Method	Description
static MatrixHeapMerger	deserializeFromProto(int version, String className, com.google.protobuf.Any message)	Deserialization factory.
boolean	equals(Object o)
int	hashCode()
DenseSparseMatrix	merge(DenseSparseMatrix[] inputs)	Merges an array of DenseSparseMatrix into a single DenseSparseMatrix.
SparseVector	merge(SparseVector[] inputs)	Merges an array of SparseVector into a single SparseVector.
org.tribuo.math.protos.MergerProto	serialize()	Serializes this object to a protobuf.

Methods inherited from class java.lang.Object

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

Field Details

CURRENT_VERSION

public static final int CURRENT_VERSION

Protobuf serialization version.

See Also:

• Constant Field Values

Constructor Details

MatrixHeapMerger

public MatrixHeapMerger()

Constructs a HeapMerger.

Method Details

deserializeFromProto

public static MatrixHeapMerger deserializeFromProto(int version,
 String className,
 com.google.protobuf.Any message)

Deserialization factory.

Parameters:

version - The serialized object version.

className - The class name.

message - The serialized data.

Returns:

The deserialized object.

serialize

public org.tribuo.math.protos.MergerProto serialize()

Description copied from interface: ProtoSerializable

Serializes this object to a protobuf.

Specified by:

serialize in interface ProtoSerializable<org.tribuo.math.protos.MergerProto>

Returns:

The protobuf.

merge

public DenseSparseMatrix merge(DenseSparseMatrix[] inputs)

Description copied from interface: Merger

Merges an array of DenseSparseMatrix into a single DenseSparseMatrix.

Specified by:

merge in interface Merger

Parameters:

inputs - The matrices to merge.

Returns:

The merged matrix.

merge

public SparseVector merge(SparseVector[] inputs)

Description copied from interface: Merger

Merges an array of SparseVector into a single SparseVector.

Specified by:

merge in interface Merger

Parameters:

inputs - The vectors to merge.

Returns:

The merged vector.

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object