org.nd4j.linalg.util

Class Nd4jValidator

java.lang.Object

org.nd4j.linalg.util.Nd4jValidator

public class Nd4jValidator
extends Object

A utility for validating multiple file formats that ND4J and SameDiff can read

Author:

Alex Black

Method Summary

Modifier and Type	Method and Description
static org.nd4j.validation.ValidationResult	validateINDArrayFile(File f) Validate whether the file represents a valid INDArray (of any data type) saved previously with Nd4j.saveBinary(INDArray, File) to be read with Nd4j.readBinary(File)
static org.nd4j.validation.ValidationResult	validateINDArrayFile(File f, DataType... allowableDataTypes) Validate whether the file represents a valid INDArray (of one of the allowed/specified data types) saved previously with Nd4j.saveBinary(INDArray, File) to be read with Nd4j.readBinary(File)
static org.nd4j.validation.ValidationResult	validateINDArrayTextFile(File f) Validate whether the file represents a valid INDArray text file (of any data type) saved previously with Nd4j.writeTxt(INDArray, String) to be read with Nd4j.readTxt(String) }
static org.nd4j.validation.ValidationResult	validateNpyFile(File f) Validate whether the file represents a valid Numpy .npy file to be read with Nd4j.createFromNpyFile(File) }
static org.nd4j.validation.ValidationResult	validateNpzFile(File f) Validate whether the file represents a valid Numpy .npz file to be read with Nd4j.createFromNpyFile(File) }
static org.nd4j.validation.ValidationResult	validateNumpyTxtFile(File f, String delimiter, Charset charset) Validate whether the file represents a valid Numpy text file (written using numpy.savetxt) to be read with Nd4j.readNumpy(String) }
static org.nd4j.validation.ValidationResult	validateSameDiffFlatBuffers(File f) Validate whether the file represents a valid SameDiff FlatBuffers file, previously saved with SameDiff.asFlatFile(File) ) to be read with SameDiff.fromFlatFile(File) }

Methods inherited from class java.lang.Object

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

Method Detail

validateINDArrayFile

public static org.nd4j.validation.ValidationResult validateINDArrayFile(@NonNull
                                                                        File f)

Validate whether the file represents a valid INDArray (of any data type) saved previously with Nd4j.saveBinary(INDArray, File) to be read with Nd4j.readBinary(File)

Parameters:

f - File that should represent an INDArray saved with Nd4j.saveBinary

Returns:

Result of validation

validateINDArrayFile

public static org.nd4j.validation.ValidationResult validateINDArrayFile(@NonNull
                                                                        File f,
                                                                        DataType... allowableDataTypes)

Validate whether the file represents a valid INDArray (of one of the allowed/specified data types) saved previously with Nd4j.saveBinary(INDArray, File) to be read with Nd4j.readBinary(File)

Parameters:

f - File that should represent an INDArray saved with Nd4j.saveBinary

allowableDataTypes - May be null. If non-null, the file must represent one of the specified data types

Returns:

Result of validation

validateINDArrayTextFile

public static org.nd4j.validation.ValidationResult validateINDArrayTextFile(@NonNull
                                                                            File f)

Validate whether the file represents a valid INDArray text file (of any data type) saved previously with Nd4j.writeTxt(INDArray, String) to be read with Nd4j.readTxt(String) }

Parameters:

f - File that should represent an INDArray saved with Nd4j.writeTxt

Returns:

Result of validation

validateNpyFile

public static org.nd4j.validation.ValidationResult validateNpyFile(@NonNull
                                                                   File f)

Validate whether the file represents a valid Numpy .npy file to be read with Nd4j.createFromNpyFile(File) }

Parameters:

f - File that should represent a Numpy .npy file written with Numpy save method

Returns:

Result of validation

validateNpzFile

public static org.nd4j.validation.ValidationResult validateNpzFile(@NonNull
                                                                   File f)

Validate whether the file represents a valid Numpy .npz file to be read with Nd4j.createFromNpyFile(File) }

Parameters:

f - File that should represent a Numpy .npz file written with Numpy savez method

Returns:

Result of validation

validateNumpyTxtFile

public static org.nd4j.validation.ValidationResult validateNumpyTxtFile(@NonNull
                                                                        File f,
                                                                        @NonNull
                                                                        String delimiter,
                                                                        @NonNull
                                                                        Charset charset)

Validate whether the file represents a valid Numpy text file (written using numpy.savetxt) to be read with Nd4j.readNumpy(String) }

Parameters:

f - File that should represent a Numpy text file written with Numpy savetxt method

Returns:

Result of validation

validateSameDiffFlatBuffers

public static org.nd4j.validation.ValidationResult validateSameDiffFlatBuffers(@NonNull
                                                                               File f)

Validate whether the file represents a valid SameDiff FlatBuffers file, previously saved with SameDiff.asFlatFile(File) ) to be read with SameDiff.fromFlatFile(File) }

Parameters:

f - File that should represent a SameDiff FlatBuffers file

Returns:

Result of validation