Class StandardValueConverter

java.lang.Object

de.chojo.sadu.queries.converter.StandardValueConverter

public final class StandardValueConverter
extends Object

The StandardValueConverter class provides a set of predefined ValueConverters for various types. Each ValueConverter maps between a Java type and an intermediate SQL type.

Field Summary

Fields

Modifier and Type	Field	Description
static final ValueConverter<Instant,Long>	INSTANT_MILLIS	Writes and reads Instant as unix epoch in milliseconds
static final ValueConverter<Instant,Long>	INSTANT_SECONDS	Writes and reads Instant as unix epoch in seconds
static final ValueConverter<Instant, Timestamp>	INSTANT_TIMESTAMP	Writes and reads Instant as Timestamp
static final ValueConverter<LocalDate, Date>	LOCAL_DATE	Writes and reads LocalDate as Date.
static final ValueConverter<LocalDateTime, Timestamp>	LOCAL_DATE_TIME	Writes and reads LocalDateTime as Timestamp
static final ValueConverter<LocalTime, Time>	LOCAL_TIME	Writes and reads LocalTime as Time.
static final ValueConverter<OffsetDateTime, Timestamp>	OFFSET_DATE_TIME	Writes and reads OffsetDateTime as Timestamp.
static final ValueConverter<OffsetTime, Time>	OFFSET_TIME	Writes and reads OffsetTime as Time.
static final ValueConverter<UUID,byte[]>	UUID_BYTES	Writes and reads UUID as Byte[].
static final ValueConverter<UUID,String>	UUID_STRING	Writes and reads UUID as String.
static final ValueConverter<ZonedDateTime, Timestamp>	ZONED_DATE_TIME	Writes and reads ZonedDateTime as Timestamp.

Constructor Summary

Constructors

Constructor	Description
StandardValueConverter()

Method Summary

Modifier and Type	Method	Description
static <T extends Enum<T>> @NotNull ValueConverter<T,String>	forEnum(Class<T> clazz)	Writes and reads Enum as String.
static @NotNull ValueConverter<LocalDate, Date>	localDate(Calendar calendar)	Writes and reads LocalDate as Date.
static @NotNull ValueConverter<LocalDateTime, Timestamp>	localDateTime(Calendar calendar)	Writes and reads LocalDateTime as Timestamp
static @NotNull ValueConverter<LocalTime, Time>	localTime(Calendar calendar)	Writes and reads LocalTime as Time.
static @NotNull ValueConverter<OffsetDateTime, Timestamp>	offsetDateTime(Calendar calendar)	Writes and reads ZonedDateTime as Timestamp.
static @NotNull ValueConverter<OffsetTime, Time>	offsetTime(Calendar calendar)	Writes and reads OffsetTime as Time.
static @NotNull ValueConverter<ZonedDateTime, Timestamp>	zonedDateTime(Calendar calendar)	Writes and reads ZonedDateTime as Timestamp.

Methods inherited from class Object

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

Field Details

INSTANT_MILLIS

public static final ValueConverter<Instant,Long> INSTANT_MILLIS

Writes and reads Instant as unix epoch in milliseconds

INSTANT_SECONDS

public static final ValueConverter<Instant,Long> INSTANT_SECONDS

Writes and reads Instant as unix epoch in seconds

INSTANT_TIMESTAMP

public static final ValueConverter<Instant, Timestamp> INSTANT_TIMESTAMP

Writes and reads Instant as Timestamp

LOCAL_DATE_TIME

public static final ValueConverter<LocalDateTime, Timestamp> LOCAL_DATE_TIME

Writes and reads LocalDateTime as Timestamp

OFFSET_DATE_TIME

public static final ValueConverter<OffsetDateTime, Timestamp> OFFSET_DATE_TIME

Writes and reads OffsetDateTime as Timestamp. Will be stored in UTC.

ZONED_DATE_TIME

public static final ValueConverter<ZonedDateTime, Timestamp> ZONED_DATE_TIME

Writes and reads ZonedDateTime as Timestamp. Will be stored in UTC.

OFFSET_TIME

public static final ValueConverter<OffsetTime, Time> OFFSET_TIME

Writes and reads OffsetTime as Time. Will be stored as LocalTime.

LOCAL_DATE

public static final ValueConverter<LocalDate, Date> LOCAL_DATE

Writes and reads LocalDate as Date.

LOCAL_TIME

public static final ValueConverter<LocalTime, Time> LOCAL_TIME

Writes and reads LocalTime as Time.

UUID_STRING

public static final ValueConverter<UUID,String> UUID_STRING

Writes and reads UUID as String.

UUID_BYTES

public static final ValueConverter<UUID,byte[]> UUID_BYTES

Writes and reads UUID as Byte[].

Constructor Details

StandardValueConverter

public StandardValueConverter()

Method Details

forEnum

@Contract("_ -> new")
@NotNull
public static <T extends Enum<T>>
@NotNull ValueConverter<T,String> forEnum(Class<T> clazz)

Writes and reads Enum as String.

Type Parameters:

T - enum type

Parameters:

clazz - enum class

Returns:

A new ValueConverter instance for that specific enum type

localDate

@Contract("_ -> new")
@NotNull
public static @NotNull ValueConverter<LocalDate, Date> localDate(Calendar calendar)

Writes and reads LocalDate as Date.

Parameters:

calendar - The calendar used to construct the date

Returns:

A new ValueConverter instance using the Calendar

localTime

@Contract("_ -> new")
@NotNull
public static @NotNull ValueConverter<LocalTime, Time> localTime(Calendar calendar)

Writes and reads LocalTime as Time.

Parameters:

calendar - The calendar used to construct the timestamp

Returns:

A new ValueConverter instance using the Calendar

offsetTime

@Contract("_ -> new")
@NotNull
public static @NotNull ValueConverter<OffsetTime, Time> offsetTime(Calendar calendar)

Writes and reads OffsetTime as Time. Will be stored as LocalTime.

Parameters:

calendar - The calendar used to construct the time

Returns:

A new ValueConverter instance using the Calendar

localDateTime

@Contract("_ -> new")
@NotNull
public static @NotNull ValueConverter<LocalDateTime, Timestamp> localDateTime(Calendar calendar)

Writes and reads LocalDateTime as Timestamp

Parameters:

calendar - The calendar used to construct the timestamp

Returns:

A new ValueConverter instance using the Calendar

offsetDateTime

@Contract("_ -> new")
@NotNull
public static @NotNull ValueConverter<OffsetDateTime, Timestamp> offsetDateTime(Calendar calendar)

Writes and reads ZonedDateTime as Timestamp. Will be stored in UTC.

Parameters:

calendar - The calendar used to construct the timestamp

Returns:

A new ValueConverter instance using the Calendar

zonedDateTime

@Contract("_ -> new")
@NotNull
public static @NotNull ValueConverter<ZonedDateTime, Timestamp> zonedDateTime(Calendar calendar)

Writes and reads ZonedDateTime as Timestamp. Will be stored in UTC.

Parameters:

calendar - The calendar used to construct the timestamp

Returns:

A new ValueConverter instance using the Calendar