Package com.yahoo.tensor.serialization

Class JsonFormat

java.lang.Object

com.yahoo.tensor.serialization.JsonFormat

public class JsonFormat
extends Object

Writes tensors on the JSON format used in Vespa tensor document fields: A JSON map containing a 'cells' or 'values' array. See https://docs.vespa.ai/en/reference/document-json-format.html

Author:

bratseth

Constructor Summary

Constructors

Constructor	Description
JsonFormat()

Method Summary

Modifier and Type	Method	Description
static Tensor	decode(TensorType type, byte[] jsonTensorValue)	Deserializes the given tensor from JSON format
static double[]	decodeHexString(String input, TensorType.Value valueType)
static byte[]	encode(Tensor tensor)	Serializes the given tensor value into JSON format
static byte[]	encodeShortForm(Tensor tensor)	Serializes the given tensor type and value into a short-form JSON format
static byte[]	encodeWithType(Tensor tensor)	Serializes the given tensor type and value into JSON format

Methods inherited from class java.lang.Object

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

Constructor Detail

JsonFormat

public JsonFormat()

Method Detail

encode

public static byte[] encode(Tensor tensor)

Serializes the given tensor value into JSON format

encodeWithType

public static byte[] encodeWithType(Tensor tensor)

Serializes the given tensor type and value into JSON format

encodeShortForm

public static byte[] encodeShortForm(Tensor tensor)

Serializes the given tensor type and value into a short-form JSON format

decode

public static Tensor decode(TensorType type,
                            byte[] jsonTensorValue)

Deserializes the given tensor from JSON format

decodeHexString

public static double[] decodeHexString(String input,
                                       TensorType.Value valueType)