Package ai.djl.ndarray.types

Enum DataType

  • All Implemented Interfaces:
    java.io.Serializable, java.lang.Comparable<DataType>
    public enum DataType
extends java.lang.Enum<DataType>
    An enum representing the underlying NDArray's data type.

    • Nested Class Summary

      Nested Classes 
      Modifier and Type Class Description
      static class  DataType.Format
      The general data type format categories.

    • Method Summary

      All Methods Static Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      java.nio.Buffer asDataType​(java.nio.ByteBuffer data)
      Converts a ByteBuffer to a buffer for this data type.
      java.lang.String asNumpy()
      Returns a numpy string value.
      static DataType fromBuffer​(java.nio.Buffer data)
      Returns the data type to use for a data buffer.
      static DataType fromNumpy​(java.lang.String dtype)
      Returns the data type from numpy value.
      DataType.Format getFormat()
      Returns the format of the data type.
      int getNumOfBytes()
      Returns the number of bytes for each element.
      boolean isFloating()
      Checks whether it is a floating data type.
      boolean isInteger()
      Checks whether it is an integer data type.
      java.lang.String toString()
      static DataType valueOf​(java.lang.String name)
      Returns the enum constant of this type with the specified name.
      static DataType[] values()
      Returns an array containing the constants of this enum type, in the order they are declared.

      • Methods inherited from class java.lang.Enum

        clone, compareTo, equals, finalize, getDeclaringClass, hashCode, name, ordinal, valueOf

      • Methods inherited from class java.lang.Object

        getClass, notify, notifyAll, wait, wait, wait

    • Enum Constant Detail

      • FLOAT32

        public static final DataType FLOAT32

      • FLOAT64

        public static final DataType FLOAT64

      • FLOAT16

        public static final DataType FLOAT16

      • UINT8

        public static final DataType UINT8

      • INT32

        public static final DataType INT32

      • INT8

        public static final DataType INT8

      • INT64

        public static final DataType INT64

      • BOOLEAN

        public static final DataType BOOLEAN

      • UNKNOWN

        public static final DataType UNKNOWN

      • STRING

        public static final DataType STRING

    • Method Detail

      • values

        public static DataType[] values()
        Returns an array containing the constants of this enum type, in the order they are declared. This method may be used to iterate over the constants as follows: 
        for (DataType c : DataType.values())
    System.out.println(c);
        Returns:
        an array containing the constants of this enum type, in the order they are declared

      • valueOf

        public static DataType valueOf​(java.lang.String name)
        Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)
        Parameters:
        name - the name of the enum constant to be returned.
        Returns:
        the enum constant with the specified name
        Throws:
        java.lang.IllegalArgumentException - if this enum type has no constant with the specified name
        java.lang.NullPointerException - if the argument is null

      • getNumOfBytes

        public int getNumOfBytes()
        Returns the number of bytes for each element.
        Returns:
        the number of bytes for each element

      • getFormat

        public DataType.Format getFormat()
        Returns the format of the data type.
        Returns:
        the format of the data type

      • isFloating

        public boolean isFloating()
        Checks whether it is a floating data type.
        Returns:
        whether it is a floating data type

      • isInteger

        public boolean isInteger()
        Checks whether it is an integer data type.
        Returns:
        whether it is an integer type

      • fromBuffer

        public static DataType fromBuffer​(java.nio.Buffer data)
        Returns the data type to use for a data buffer.
        Parameters:
        data - the buffer to analyze
        Returns:
        the data type for the buffer

      • fromNumpy

        public static DataType fromNumpy​(java.lang.String dtype)
        Returns the data type from numpy value.
        Parameters:
        dtype - the numpy datatype
        Returns:
        the data type

      • asDataType

        public java.nio.Buffer asDataType​(java.nio.ByteBuffer data)
        Converts a ByteBuffer to a buffer for this data type.
        Parameters:
        data - the buffer to convert
        Returns:
        the converted buffer

      • asNumpy

        public java.lang.String asNumpy()
        Returns a numpy string value.
        Returns:
        a numpy string value

      • toString

        public java.lang.String toString()
        Overrides:
        toString in class java.lang.Enum<DataType>