Package org.hibernate.type.descriptor.java

Class LongJavaType

java.lang.Object

org.hibernate.type.descriptor.java.AbstractClassJavaType<Long>

org.hibernate.type.descriptor.java.LongJavaType

All Implemented Interfaces:

Serializable, BasicJavaType<Long>, JavaType<Long>, PrimitiveJavaType<Long>, VersionJavaType<Long>

public class LongJavaType
extends AbstractClassJavaType<Long>
implements PrimitiveJavaType<Long>, VersionJavaType<Long>

Descriptor for Long handling.

See Also:

• Serialized Form

Nested Class Summary

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

JavaType.CoercionContext

Field Summary

Fields

Modifier and Type	Field	Description
static final LongJavaType	INSTANCE

Constructor Summary

Constructors

Constructor	Description
LongJavaType()

Method Summary

Modifier and Type	Method	Description
<X> Long	coerce(X value, JavaType.CoercionContext coercionContext)
Long	fromString(CharSequence string)
Class<Long[]>	getArrayClass()	Get the Java type that describes an array of 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.
Long	getDefaultValue()	Get this Java type's default value.
Class<?>	getPrimitiveArrayClass()	Get the Java type that describes an array of this type's primitive variant.
Class<?>	getPrimitiveClass()	Retrieve the primitive counterpart to the wrapper type identified by this descriptor
boolean	isInstance(Object value)	Is the given value an instance of the described type?
boolean	isWider(JavaType<?> javaType)	Determines if this Java type is wider than the given Java type, that is, if the given type can be safely widened to this type.
Long	next(Long current, Long length, Integer precision, Integer scale, SharedSessionContractImplementor session)	Increment the version.
Long	seed(Long length, Integer precision, Integer scale, SharedSessionContractImplementor session)	Generate an initial version.
String	toString(Long value)
<X> X	unwrap(Long value, Class<X> type, WrapperOptions options)	Unwrap an instance of our handled Java type into the requested type.
boolean	useObjectEqualsHashCode()	Whether to use Object.equals(Object) and Object.hashCode() or JavaType.areEqual(Object, Object) and JavaType.extractHashCode(Object) for objects of this java type.
<X> Long	wrap(X value, WrapperOptions options)	Wrap a value as our handled Java type.

Methods inherited from class org.hibernate.type.descriptor.java.AbstractClassJavaType

areEqual, extractHashCode, extractLoggableRepresentation, getComparator, getJavaType, getJavaTypeClass, getMutabilityPlan, unknownUnwrap, unknownWrap

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.BasicJavaType

getRecommendedJdbcType

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

appendEncodedString, areEqual, createJavaType, extractHashCode, extractLoggableRepresentation, fromEncodedString, fromEncodedString, getCheckCondition, getComparator, getJavaType, getJavaTypeClass, getLongSqlLength, getMutabilityPlan, getReplacement, getTypeName, isTemporalType

Field Details

INSTANCE

public static final LongJavaType INSTANCE

Constructor Details

LongJavaType

public LongJavaType()

Method Details

useObjectEqualsHashCode

public boolean useObjectEqualsHashCode()

Description copied from interface: JavaType

Whether to use Object.equals(Object) and Object.hashCode() or JavaType.areEqual(Object, Object) and JavaType.extractHashCode(Object) for objects of this java type. This is useful to avoid mega-morphic callsites.

Specified by:

useObjectEqualsHashCode in interface JavaType<Long>

toString

public String toString(Long value)

Specified by:

toString in interface JavaType<Long>

fromString

public Long fromString(CharSequence string)

Specified by:

fromString in interface BasicJavaType<Long>

Specified by:

fromString in interface JavaType<Long>

isInstance

public boolean isInstance(Object value)

Description copied from interface: JavaType

Is the given value an instance of the described type?

Usually just getJavaTypeClass().isInstance(value), but some descriptors need specialized semantics, for example, the descriptors for java.sql.Date, java.sql.Time, and java.sql.Timestamp.

Specified by:

isInstance in interface JavaType<Long>

unwrap

public <X> X unwrap(Long 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 JavaType<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<Long>

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> Long 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<Long>

Type Parameters:

X - The conversion type.

Parameters:

value - The value to wrap.

options - The options

Returns:

The wrapped value.

isWider

public boolean isWider(JavaType<?> javaType)

Description copied from interface: JavaType

Determines if this Java type is wider than the given Java type, that is, if the given type can be safely widened to this type.

Specified by:

isWider in interface JavaType<Long>

coerce

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

Specified by:

coerce in interface JavaType<Long>

getPrimitiveClass

public Class<?> getPrimitiveClass()

Description copied from interface: PrimitiveJavaType

Retrieve the primitive counterpart to the wrapper type identified by this descriptor

Specified by:

getPrimitiveClass in interface PrimitiveJavaType<Long>

Returns:

The primitive Java type.

getArrayClass

public Class<Long[]> getArrayClass()

Description copied from interface: PrimitiveJavaType

Get the Java type that describes an array of this type.

Specified by:

getArrayClass in interface PrimitiveJavaType<Long>

getPrimitiveArrayClass

public Class<?> getPrimitiveArrayClass()

Description copied from interface: PrimitiveJavaType

Get the Java type that describes an array of this type's primitive variant.

Specified by:

getPrimitiveArrayClass in interface PrimitiveJavaType<Long>

getDefaultValue

public Long getDefaultValue()

Description copied from interface: JavaType

Get this Java type's default value.

Specified by:

getDefaultValue in interface JavaType<Long>

Returns:

The default value.

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<Long>

Returns:

Size.DEFAULT_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<Long>

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<Long>

Returns:

Size.DEFAULT_SCALE unless overridden

next

public Long next(Long current,
 Long length,
 Integer precision,
 Integer scale,
 SharedSessionContractImplementor session)

Description copied from interface: VersionJavaType

Increment the version.

Specified by:

next in interface VersionJavaType<Long>

Parameters:

current - the current version

length - The length of the type

precision - The precision of the type

scale - The scale of the type

session - The session from which this request originates.

Returns:

an instance of the type

seed

public Long seed(Long length,
 Integer precision,
 Integer scale,
 SharedSessionContractImplementor session)

Description copied from interface: VersionJavaType

Generate an initial version.

Note that this operation is only used when the program sets a null or negative number as the value of the entity version field. It is not called when the program sets the version field to a sensible-looking version.

Specified by:

seed in interface VersionJavaType<Long>

Parameters:

length - The length of the type

precision - The precision of the type

scale - The scale of the type

session - The session from which this request originates.

Returns:

an instance of the type