Class ArrowAdapter

java.lang.Object

org.episteme.core.io.interop.ArrowAdapter

public class ArrowAdapter
extends Object

Adapter for Apache Arrow Integration.

Facilitates Zero-Copy data exchange by exporting Episteme Matrices into Arrow-compatible ByteBuffers (Float64 contiguous arrays).

Since:

1.2

Author:

Silvere Martin-Michiellot, Gemini AI (Google DeepMind)

Constructor Summary

Constructors

Constructor	Description
ArrowAdapter()

Method Summary

Modifier and Type	Method	Description
static String	getSchemaDescription()	Creates a rudimentary Arrow Schema description for the matrix.
static ByteBuffer	toArrowBuffer(Matrix<Real> matrix)	Converts a Matrix to an Arrow-compatible ByteBuffer (Float64 array).

Methods inherited from class Object

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

Constructor Details

ArrowAdapter

public ArrowAdapter()

Method Details

toArrowBuffer

public static ByteBuffer toArrowBuffer(Matrix<Real> matrix)

Converts a Matrix to an Arrow-compatible ByteBuffer (Float64 array). This buffer can be passed to Python/Pandas via IPC.

Parameters:

matrix - Source matrix

Returns:

ByteBuffer in Little Endian containing doubles

getSchemaDescription

public static String getSchemaDescription()

Creates a rudimentary Arrow Schema description for the matrix.

Returns:

JSON-like string describing the schema (Field: "matrix", Type: Float64)