H2 Database Engine 2.3.232 · org.h2.util.LegacyDateTimeUtils

Modifier and Type	Field and Description
public static final Date	PROLEPTIC_GREGORIAN_CHANGE Gregorian change date for a `java.util.GregorianCalendar` that represents a proleptic Gregorian calendar.
public static final TimeZone	UTC UTC time zone.

Access	Constructor and Description
private	LegacyDateTimeUtils()

Method Summary

Modifier and Type	Method and Description
public static long	Returns: the date value dateValueFromLocalMillis(long the milliseconds ms) Convert a local datetime in millis to an encoded date.
public static ValueDate	Returns: the value fromDate(CastDataProvider the cast information provider provider, TimeZone time zone, or `null` for default timeZone, Date the date date) Get or create a date value for the given date.
public static ValueTime	Returns: the value fromTime(CastDataProvider the cast information provider provider, TimeZone time zone, or `null` for default timeZone, Time the time time) Get or create a time value for the given time.
public static ValueTimestamp	Returns: the value fromTimestamp(CastDataProvider the cast information provider provider, TimeZone time zone, or `null` for default timeZone, Timestamp the timestamp timestamp) Get or create a timestamp value for the given timestamp.
public static ValueTimestamp	Returns: the value fromTimestamp(CastDataProvider the cast information provider provider, long the milliseconds ms, int the nanoseconds nanos) Get or create a timestamp value for the given date/time in millis.
public static long	Returns: the number of milliseconds (UTC) getMillis(CastDataProvider the cast information provider provider, TimeZone the timezone of the parameters, or null for the default timezone tz, long date value dateValue, long nanoseconds since midnight timeNanos) Calculate the milliseconds since 1970-01-01 (UTC) for the given date and time (in the specified timezone).
public static int	Returns: local time zone offset getTimeZoneOffsetMillis(CastDataProvider the cast information provider provider, long milliseconds since Epoch in UTC ms) Returns local time zone offset for a specified timestamp.
public static TypeInfo	Returns: the value type, or `null` if not supported legacyClassToType(Class<?> the Java class clazz) Get the type information for the given legacy Java class.
public static Value	Returns: the value, or `null` if not supported legacyObjectToValue(CastDataProvider the session session, Object the value x) Convert a legacy Java object to a value.
public static long	Returns: the nanoseconds nanosFromLocalMillis(long the milliseconds ms) Convert a time in milliseconds in local time to the nanoseconds since midnight.
private static ValueTimestamp	timestampFromLocalMillis(long ms, int nanos)
public static Date	Returns: the date toDate(CastDataProvider the cast information provider provider, TimeZone the target time zone timeZone, Value the value to convert value) Get the date value converted to the specified time zone.
public static Time	Returns: the time toTime(CastDataProvider the cast information provider provider, TimeZone the target time zone timeZone, Value the value to convert value) Get the time value converted to the specified time zone.
public static Timestamp	Returns: the timestamp toTimestamp(CastDataProvider the cast information provider provider, TimeZone the target time zone timeZone, Value the value to convert value) Get the timestamp value converted to the specified time zone.
public static < the type T> T	Returns: an instance of the specified class, or `null` if not supported valueToLegacyType(Class<T> the class type, Value the value value, CastDataProvider the cast information provider provider) Converts the specified value to an object of the specified legacy type.

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

PROLEPTIC_GREGORIAN_CHANGE	back to summary
public static final Date PROLEPTIC_GREGORIAN_CHANGE Gregorian change date for a `java.util.GregorianCalendar` that represents a proleptic Gregorian calendar.

UTC	back to summary
public static final TimeZone UTC UTC time zone.

LegacyDateTimeUtils	back to summary
private LegacyDateTimeUtils()

Method Detail

dateValueFromLocalMillis	back to summary
public static long dateValueFromLocalMillis(long ms) Convert a local datetime in millis to an encoded date. Parameters ms:long the milliseconds Returns:long the date value

dateValueFromLocalMillis

back to summary

public static long dateValueFromLocalMillis(long ms)

Convert a local datetime in millis to an encoded date.

Parameters

ms:long: the milliseconds

Returns:long

the date value

fromDate back to summary

fromDate	back to summary
public static ValueDate fromDate(CastDataProvider provider, TimeZone timeZone, Date date) Get or create a date value for the given date. Parameters provider:CastDataProvider the cast information provider timeZone:TimeZone time zone, or `null` for default date:Date the date Returns:ValueDate the value

public static ValueDate fromDate(CastDataProvider provider, TimeZone timeZone, Date date)

Get or create a date value for the given date.

Parameters

provider:CastDataProvider: the cast information provider
timeZone:TimeZone: time zone, or null for default
date:Date: the date

Returns:ValueDate

the value

fromTime back to summary

fromTime	back to summary
public static ValueTime fromTime(CastDataProvider provider, TimeZone timeZone, Time time) Get or create a time value for the given time. Parameters provider:CastDataProvider the cast information provider timeZone:TimeZone time zone, or `null` for default time:Time the time Returns:ValueTime the value

public static ValueTime fromTime(CastDataProvider provider, TimeZone timeZone, Time time)

Get or create a time value for the given time.

Parameters

provider:CastDataProvider: the cast information provider
timeZone:TimeZone: time zone, or null for default
time:Time: the time

Returns:ValueTime

the value

fromTimestamp back to summary

fromTimestamp	back to summary
public static ValueTimestamp fromTimestamp(CastDataProvider provider, TimeZone timeZone, Timestamp timestamp) Get or create a timestamp value for the given timestamp. Parameters provider:CastDataProvider the cast information provider timeZone:TimeZone time zone, or `null` for default timestamp:Timestamp the timestamp Returns:ValueTimestamp the value

public static ValueTimestamp fromTimestamp(CastDataProvider provider, TimeZone timeZone, Timestamp timestamp)

Get or create a timestamp value for the given timestamp.

Parameters

provider:CastDataProvider: the cast information provider
timeZone:TimeZone: time zone, or null for default
timestamp:Timestamp: the timestamp

Returns:ValueTimestamp

the value

fromTimestamp	back to summary
public static ValueTimestamp fromTimestamp(CastDataProvider provider, long ms, int nanos) Get or create a timestamp value for the given date/time in millis. Parameters provider:CastDataProvider the cast information provider ms:long the milliseconds nanos:int the nanoseconds Returns:ValueTimestamp the value

fromTimestamp

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public static ValueTimestamp fromTimestamp(CastDataProvider provider, long ms, int nanos)

Get or create a timestamp value for the given date/time in millis.

Parameters

provider:CastDataProvider: the cast information provider
ms:long: the milliseconds
nanos:int: the nanoseconds

Returns:ValueTimestamp

the value

getMillis	back to summary
public static long getMillis(CastDataProvider provider, TimeZone tz, long dateValue, long timeNanos) Calculate the milliseconds since 1970-01-01 (UTC) for the given date and time (in the specified timezone). Parameters provider:CastDataProvider the cast information provider tz:TimeZone the timezone of the parameters, or null for the default timezone dateValue:long date value timeNanos:long nanoseconds since midnight Returns:long the number of milliseconds (UTC)

getMillis

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public static long getMillis(CastDataProvider provider, TimeZone tz, long dateValue, long timeNanos)

Calculate the milliseconds since 1970-01-01 (UTC) for the given date and time (in the specified timezone).

Parameters

provider:CastDataProvider: the cast information provider
tz:TimeZone: the timezone of the parameters, or null for the default timezone
dateValue:long: date value
timeNanos:long: nanoseconds since midnight

Returns:long

the number of milliseconds (UTC)

getTimeZoneOffsetMillis	back to summary
public static int getTimeZoneOffsetMillis(CastDataProvider provider, long ms) Returns local time zone offset for a specified timestamp. Parameters provider:CastDataProvider the cast information provider ms:long milliseconds since Epoch in UTC Returns:int local time zone offset

getTimeZoneOffsetMillis

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public static int getTimeZoneOffsetMillis(CastDataProvider provider, long ms)

Returns local time zone offset for a specified timestamp.

Parameters

provider:CastDataProvider: the cast information provider
ms:long: milliseconds since Epoch in UTC

Returns:int

local time zone offset

legacyClassToType back to summary

legacyClassToType	back to summary
public static TypeInfo legacyClassToType(Class<?> clazz) Get the type information for the given legacy Java class. Parameters clazz:Class<?> the Java class Returns:TypeInfo the value type, or `null` if not supported

public static TypeInfo legacyClassToType(Class<?> clazz)

Get the type information for the given legacy Java class.

Parameters

clazz:Class<?>: the Java class

Returns:TypeInfo

the value type, or null if not supported

legacyObjectToValue back to summary

legacyObjectToValue	back to summary
public static Value legacyObjectToValue(CastDataProvider session, Object x) Convert a legacy Java object to a value. Parameters session:CastDataProvider the session x:Object the value Returns:Value the value, or `null` if not supported

public static Value legacyObjectToValue(CastDataProvider session, Object x)

Convert a legacy Java object to a value.

Parameters

session:CastDataProvider: the session
x:Object: the value

Returns:Value

the value, or null if not supported

nanosFromLocalMillis	back to summary
public static long nanosFromLocalMillis(long ms) Convert a time in milliseconds in local time to the nanoseconds since midnight. Parameters ms:long the milliseconds Returns:long the nanoseconds

nanosFromLocalMillis

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public static long nanosFromLocalMillis(long ms)

Convert a time in milliseconds in local time to the nanoseconds since midnight.

Parameters

ms:long: the milliseconds

Returns:long

the nanoseconds

timestampFromLocalMillis	back to summary
private static ValueTimestamp timestampFromLocalMillis(long ms, int nanos)

toDate	back to summary
public static Date toDate(CastDataProvider provider, TimeZone timeZone, Value value) Get the date value converted to the specified time zone. Parameters provider:CastDataProvider the cast information provider timeZone:TimeZone the target time zone value:Value the value to convert Returns:Date the date

toDate

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public static Date toDate(CastDataProvider provider, TimeZone timeZone, Value value)

Get the date value converted to the specified time zone.

Parameters

provider:CastDataProvider: the cast information provider
timeZone:TimeZone: the target time zone
value:Value: the value to convert

Returns:Date

the date

toTime	back to summary
public static Time toTime(CastDataProvider provider, TimeZone timeZone, Value value) Get the time value converted to the specified time zone. Parameters provider:CastDataProvider the cast information provider timeZone:TimeZone the target time zone value:Value the value to convert Returns:Time the time

toTime

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public static Time toTime(CastDataProvider provider, TimeZone timeZone, Value value)

Get the time value converted to the specified time zone.

Parameters

provider:CastDataProvider: the cast information provider
timeZone:TimeZone: the target time zone
value:Value: the value to convert

Returns:Time

the time

toTimestamp	back to summary
public static Timestamp toTimestamp(CastDataProvider provider, TimeZone timeZone, Value value) Get the timestamp value converted to the specified time zone. Parameters provider:CastDataProvider the cast information provider timeZone:TimeZone the target time zone value:Value the value to convert Returns:Timestamp the timestamp

toTimestamp

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public static Timestamp toTimestamp(CastDataProvider provider, TimeZone timeZone, Value value)

Get the timestamp value converted to the specified time zone.

Parameters

provider:CastDataProvider: the cast information provider
timeZone:TimeZone: the target time zone
value:Value: the value to convert

Returns:Timestamp

the timestamp

valueToLegacyType back to summary

valueToLegacyType	back to summary
public static <T> T valueToLegacyType(Class<T> type, Value value, CastDataProvider provider) Converts the specified value to an object of the specified legacy type. Parameters <T> the type type:Class<T> the class value:Value the value provider:CastDataProvider the cast information provider Returns:T an instance of the specified class, or `null` if not supported Annotations @SuppressWarnings:unchecked

public static <T> T valueToLegacyType(Class<T> type, Value value, CastDataProvider provider)

Converts the specified value to an object of the specified legacy type.

Parameters

<T>: the type
type:Class<T>: the class
value:Value: the value
provider:CastDataProvider: the cast information provider

Returns:T

an instance of the specified class, or null if not supported

Annotations

@SuppressWarnings:unchecked

public final Class LegacyDateTimeUtils

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