Package org.hibernate.type.descriptor.java

Class DbTimestampJavaTypeDescriptor<T>

java.lang.Object

org.hibernate.type.descriptor.java.DbTimestampJavaTypeDescriptor<T>

All Implemented Interfaces:

Serializable, BasicJavaType<T>, JavaType<T>, TemporalJavaTypeDescriptor<T>, VersionJavaType<T>

public class DbTimestampJavaTypeDescriptor<T>
extends Object
implements VersionJavaType<T>, TemporalJavaTypeDescriptor<T>

Wrapper Java type descriptor for that uses the database timestamp as seed value for versions.

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from interface org.hibernate.type.descriptor.java.JavaType

JavaType.CoercionContext

Constructor Summary

Constructors

Constructor	Description
DbTimestampJavaTypeDescriptor(TemporalJavaTypeDescriptor<T> delegate)

Method Summary

Modifier and Type	Method	Description
boolean	areEqual(T one, T another)	Determine if two instances are equal
<X> T	coerce(X value, JavaType.CoercionContext coercionContext)
int	extractHashCode(T value)	Extract a proper hash code for this value.
String	extractLoggableRepresentation(T value)	Extract a loggable representation of the value.
T	fromString(CharSequence string)
String	getCheckCondition(String columnName, JdbcType sqlType, Dialect dialect)	The check constraint that should be added to the column definition in generated DDL.
Comparator<T>	getComparator()	Retrieve the natural comparator for this type.
long	getDefaultSqlLength(Dialect dialect, JdbcType jdbcType)	The default column length when this Java type is mapped to a SQL data type which is parametrized by length, for example Types.VARCHAR.
int	getDefaultSqlPrecision(Dialect dialect, JdbcType jdbcType)	The default column precision when this Java type is mapped to a SQL data type which is parametrized by precision, for example Types.DECIMAL.
int	getDefaultSqlScale(Dialect dialect, JdbcType jdbcType)	The default column scale when this Java type is mapped to a SQL data type which is parametrized by scale, for example Types.DECIMAL.
Type	getJavaType()	Get the Java type (Type) described
Class<T>	getJavaTypeClass()	Get the Java type (Class) described
long	getLongSqlLength()	The default column length when this Java type is mapped to a column of type Types.LONGVARCHAR or Types.LONGVARBINARY.
MutabilityPlan<T>	getMutabilityPlan()	Retrieve the mutability plan for this Java type.
jakarta.persistence.TemporalType	getPrecision()	The precision represented by this type
JdbcType	getRecommendedJdbcType(JdbcTypeDescriptorIndicators indicators)	Obtain the "recommended" SQL type descriptor for this Java type.
T	next(T current, SharedSessionContractImplementor session)	Increment the version.
<X> TemporalJavaTypeDescriptor<X>	resolveTypeForPrecision(jakarta.persistence.TemporalType precision, TypeConfiguration typeConfiguration)	Resolve the appropriate TemporalJavaTypeDescriptor for the given precision "relative" to this type.
T	seed(SharedSessionContractImplementor session)	Generate an initial version.
String	toString(T value)
<X> X	unwrap(T value, Class<X> type, WrapperOptions options)	Unwrap an instance of our handled Java type into the requested type.
<X> T	wrap(X value, WrapperOptions options)	Wrap a value as our handled Java type.

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.hibernate.type.descriptor.java.JavaType

getDefaultValue, getReplacement, isInstance, isWider

Constructor Detail

DbTimestampJavaTypeDescriptor

public DbTimestampJavaTypeDescriptor(TemporalJavaTypeDescriptor<T> delegate)

Method Detail

next

public T next(T current,
              SharedSessionContractImplementor session)

Description copied from interface: VersionJavaType

Increment the version.

Specified by:

next in interface VersionJavaType<T>

Parameters:

current - the current version

session - The session from which this request originates.

Returns:

an instance of the type

seed

public T seed(SharedSessionContractImplementor session)

Description copied from interface: VersionJavaType

Generate an initial version.

Specified by:

seed in interface VersionJavaType<T>

Parameters:

session - The session from which this request originates.

Returns:

an instance of the type

getRecommendedJdbcType

public JdbcType getRecommendedJdbcType(JdbcTypeDescriptorIndicators indicators)

Description copied from interface: JavaType

Obtain the "recommended" SQL type descriptor for this Java type. The recommended aspect comes from the JDBC spec (mostly).

Specified by:

getRecommendedJdbcType in interface BasicJavaType<T>

Specified by:

getRecommendedJdbcType in interface JavaType<T>

Parameters:

indicators - Contextual information

Returns:

The recommended SQL type descriptor

fromString

public T fromString(CharSequence string)

Specified by:

fromString in interface BasicJavaType<T>

Specified by:

fromString in interface JavaType<T>

getJavaType

public Type getJavaType()

Description copied from interface: JavaType

Get the Java type (Type) described

Specified by:

getJavaType in interface JavaType<T>

See Also:

JavaType.getJavaTypeClass()

getMutabilityPlan

public MutabilityPlan<T> getMutabilityPlan()

Description copied from interface: JavaType

Retrieve the mutability plan for this Java type.

Specified by:

getMutabilityPlan in interface JavaType<T>

getDefaultSqlLength

public long getDefaultSqlLength(Dialect dialect,
                                JdbcType jdbcType)

Description copied from interface: JavaType

The default column length when this Java type is mapped to a SQL data type which is parametrized by length, for example Types.VARCHAR.

Specified by:

getDefaultSqlLength in interface JavaType<T>

Returns:

Size.DEFAULT_LENGTH unless overridden

getLongSqlLength

public long getLongSqlLength()

Description copied from interface: JavaType

The default column length when this Java type is mapped to a column of type Types.LONGVARCHAR or Types.LONGVARBINARY.

Specified by:

getLongSqlLength in interface JavaType<T>

Returns:

Size.LONG_LENGTH unless overridden

getDefaultSqlPrecision

public int getDefaultSqlPrecision(Dialect dialect,
                                  JdbcType jdbcType)

Description copied from interface: JavaType

The default column precision when this Java type is mapped to a SQL data type which is parametrized by precision, for example Types.DECIMAL.

Specified by:

getDefaultSqlPrecision in interface JavaType<T>

Returns:

Size.DEFAULT_PRECISION unless overridden

getDefaultSqlScale

public int getDefaultSqlScale(Dialect dialect,
                              JdbcType jdbcType)

Description copied from interface: JavaType

The default column scale when this Java type is mapped to a SQL data type which is parametrized by scale, for example Types.DECIMAL.

Specified by:

getDefaultSqlScale in interface JavaType<T>

Returns:

Size.DEFAULT_SCALE unless overridden

getComparator

public Comparator<T> getComparator()

Description copied from interface: JavaType

Retrieve the natural comparator for this type.

Specified by:

getComparator in interface JavaType<T>

extractHashCode

public int extractHashCode(T value)

Description copied from interface: JavaType

Extract a proper hash code for this value.

Specified by:

extractHashCode in interface JavaType<T>

Parameters:

value - The value for which to extract a hash code.

Returns:

The extracted hash code.

areEqual

public boolean areEqual(T one,
                        T another)

Description copied from interface: JavaType

Determine if two instances are equal

Specified by:

areEqual in interface JavaType<T>

Parameters:

one - One instance

another - The other instance

Returns:

True if the two are considered equal; false otherwise.

extractLoggableRepresentation

public String extractLoggableRepresentation(T value)

Description copied from interface: JavaType

Extract a loggable representation of the value.

Specified by:

extractLoggableRepresentation in interface JavaType<T>

Parameters:

value - The value for which to extract a loggable representation.

Returns:

The loggable representation

toString

public String toString(T value)

Specified by:

toString in interface JavaType<T>

unwrap

public <X> X unwrap(T value,
                    Class<X> type,
                    WrapperOptions options)

Description copied from interface: JavaType

Unwrap an instance of our handled Java type into the requested type.

As an example, if this is a JavaTypeDescriptor<Integer> and we are asked to unwrap the Integer value as a Long we would return something like Long.valueOf( value.longValue() ).

Intended use is during PreparedStatement binding.

Specified by:

unwrap in interface JavaType<T>

Type Parameters:

X - The conversion type.

Parameters:

value - The value to unwrap

type - The type as which to unwrap

options - The options

Returns:

The unwrapped value.

wrap

public <X> T wrap(X value,
                  WrapperOptions options)

Description copied from interface: JavaType

Wrap a value as our handled Java type.

Intended use is during ResultSet extraction.

Specified by:

wrap in interface JavaType<T>

Type Parameters:

X - The conversion type.

Parameters:

value - The value to wrap.

options - The options

Returns:

The wrapped value.

coerce

public <X> T coerce(X value,
                    JavaType.CoercionContext coercionContext)

Specified by:

coerce in interface JavaType<T>

getJavaTypeClass

public Class<T> getJavaTypeClass()

Description copied from interface: JavaType

Get the Java type (Class) described

Specified by:

getJavaTypeClass in interface JavaType<T>

See Also:

JavaType.getJavaType()

getCheckCondition

public String getCheckCondition(String columnName,
                                JdbcType sqlType,
                                Dialect dialect)

Description copied from interface: JavaType

The check constraint that should be added to the column definition in generated DDL.

Specified by:

getCheckCondition in interface JavaType<T>

Parameters:

columnName - the name of the column

sqlType - the JdbcType of the mapped column

dialect - the SQL Dialect

Returns:

a check constraint condition or null

getPrecision

public jakarta.persistence.TemporalType getPrecision()

Description copied from interface: TemporalJavaTypeDescriptor

The precision represented by this type

Specified by:

getPrecision in interface TemporalJavaTypeDescriptor<T>

resolveTypeForPrecision

public <X> TemporalJavaTypeDescriptor<X> resolveTypeForPrecision(jakarta.persistence.TemporalType precision,
                                                                 TypeConfiguration typeConfiguration)

Description copied from interface: TemporalJavaTypeDescriptor

Resolve the appropriate TemporalJavaTypeDescriptor for the given precision "relative" to this type.

Specified by:

resolveTypeForPrecision in interface TemporalJavaTypeDescriptor<T>