com.github.pmerienne.trident.state

Interface SparseMatrixState<T>

All Superinterfaces:

ExtendedState<T>, storm.trident.state.State

All Known Implementing Classes:

MemorySparseMatrixState, RedisSparseMatrixState

public interface SparseMatrixState<T>
extends ExtendedState<T>

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static interface	SparseMatrixState.SparseVector<T>

Method Summary

Methods

Modifier and Type	Method and Description
T	get(long i, long j) Gets a specific value inside the matrix.
SparseMatrixState.SparseVector<T>	getColumn(long i) Gets a specific column as a SparseMatrixState.SparseVector.
SparseMatrixState.SparseVector<T>	getRow(long j) Gets a specific row as a SparseMatrixState.SparseVector.
void	set(long i, long j, T value) Sets a specific value inside the matrix.

Methods inherited from interface storm.trident.state.State

beginCommit, commit

Method Detail

get

T get(long i,
    long j)

Gets a specific value inside the matrix.

Parameters:

i - row index

j - column index

Returns:

the specific value or null if no value was found

set

void set(long i,
       long j,
       T value)

Sets a specific value inside the matrix.

Parameters:

i - row index

j - column index

value - the new value

getColumn

SparseMatrixState.SparseVector<T> getColumn(long i)

Gets a specific column as a SparseMatrixState.SparseVector.

Parameters:

i - column index

Returns:

the specific row

getRow

SparseMatrixState.SparseVector<T> getRow(long j)

Gets a specific row as a SparseMatrixState.SparseVector.

Parameters:

j - row index

Returns:

the specific row