Package io.micronaut.data.model

Enum Class DataType

java.lang.Object

java.lang.Enum<DataType>

io.micronaut.data.model.DataType

All Implemented Interfaces:

Serializable, Comparable<DataType>, Constable

public enum DataType
extends Enum<DataType>

Enum of basic data types allowing to compile time computation which can then subsequently be used at runtime for fast switching.

Since:

1.0.0

Author:

graemerocher

See Also:

• PersistentProperty.getDataType()

Nested Class Summary

Nested classes/interfaces inherited from class java.lang.Enum

Enum.EnumDesc<E extends Enum<E>>

Enum Constant Summary

Enum Constants

Enum Constant	Description
BIGDECIMAL	A big decimal such as BigDecimal.
BOOLEAN	A boolean value.
BOOLEAN_ARRAY	A boolean array.
BYTE	A byte.
BYTE_ARRAY	A byte array.
CHARACTER	A character.
CHARACTER_ARRAY	A character array.
DATE	A date such as Date or LocalDate.
DOUBLE	A Double value.
DOUBLE_ARRAY	A double array.
ENTITY	A class annotated with MappedEntity.
FLOAT	A Float value.
FLOAT_ARRAY	A long array.
INTEGER	A Integer value.
INTEGER_ARRAY	An integer array.
JSON	A JSON type.
LONG	A Long value.
LONG_ARRAY	A long array.
OBJECT	An object of an indeterminate type.
SHORT	A Short value.
SHORT_ARRAY	A short array.
STRING	A String value.
STRING_ARRAY	A string array.
TIME	A Time value.
TIMESTAMP	A timestamp such as Timestamp or Instant.
UUID	The UUID type.

Field Summary

Fields

Modifier and Type	Field	Description
static final DataType[]	EMPTY_DATA_TYPE_ARRAY	Empty array of data types.

Method Summary

Modifier and Type	Method	Description
static DataType	forType(@NonNull Class<?> type)	Obtains the data type for the given type.
boolean	isArray()	Is an array type.
boolean	isNumeric()	Gets an indicator telling whether data type is numeric.
static DataType	valueOf(String name)	Returns the enum constant of this class with the specified name.
static DataType[]	values()	Returns an array containing the constants of this enum class, in the order they are declared.

Methods inherited from class java.lang.Enum

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

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Enum Constant Details

BIGDECIMAL

public static final DataType BIGDECIMAL

A big decimal such as BigDecimal.

BOOLEAN

public static final DataType BOOLEAN

A boolean value.

BYTE

public static final DataType BYTE

A byte.

BYTE_ARRAY

public static final DataType BYTE_ARRAY

A byte array. Often stored as binary.

CHARACTER

public static final DataType CHARACTER

A character.

DATE

public static final DataType DATE

A date such as Date or LocalDate.

TIMESTAMP

public static final DataType TIMESTAMP

A timestamp such as Timestamp or Instant.

TIME

public static final DataType TIME

A Time value.

DOUBLE

public static final DataType DOUBLE

A Double value.

FLOAT

public static final DataType FLOAT

A Float value.

INTEGER

public static final DataType INTEGER

A Integer value.

LONG

public static final DataType LONG

A Long value.

SHORT

public static final DataType SHORT

A Short value.

STRING

public static final DataType STRING

A String value.

OBJECT

public static final DataType OBJECT

An object of an indeterminate type.

ENTITY

public static final DataType ENTITY

A class annotated with MappedEntity.

JSON

public static final DataType JSON

A JSON type.

UUID

public static final DataType UUID

The UUID type.

STRING_ARRAY

public static final DataType STRING_ARRAY

A string array.

SHORT_ARRAY

public static final DataType SHORT_ARRAY

A short array.

INTEGER_ARRAY

public static final DataType INTEGER_ARRAY

An integer array.

LONG_ARRAY

public static final DataType LONG_ARRAY

A long array.

FLOAT_ARRAY

public static final DataType FLOAT_ARRAY

A long array.

DOUBLE_ARRAY

public static final DataType DOUBLE_ARRAY

A double array.

CHARACTER_ARRAY

public static final DataType CHARACTER_ARRAY

A character array.

BOOLEAN_ARRAY

public static final DataType BOOLEAN_ARRAY

A boolean array.

Field Details

EMPTY_DATA_TYPE_ARRAY

public static final DataType[] EMPTY_DATA_TYPE_ARRAY

Empty array of data types.

Method Details

values

public static DataType[] values()

Returns an array containing the constants of this enum class, in the order they are declared.

Returns:

an array containing the constants of this enum class, in the order they are declared

valueOf

public static DataType valueOf(String name)

Returns the enum constant of this class with the specified name. The string must match exactly an identifier used to declare an enum constant in this class. (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:

IllegalArgumentException - if this enum class has no constant with the specified name

NullPointerException - if the argument is null

isArray

public boolean isArray()

Is an array type.

Returns:

true if an array type

forType

public static DataType forType(@NonNull
 @NonNull Class<?> type)

Obtains the data type for the given type.

Parameters:

type - The type

Returns:

The data type

isNumeric

public boolean isNumeric()

Gets an indicator telling whether data type is numeric.

Returns:

true if data type is numeric