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TimestampType (Hibernate API Documentation) - Hibernate 2.1.8 正式版 API 英文文档

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net.sf.hibernate.type
Class TimestampType

java.lang.Object
  net.sf.hibernate.type.AbstractType
      net.sf.hibernate.type.NullableType
          net.sf.hibernate.type.MutableType
              net.sf.hibernate.type.TimestampType

All Implemented Interfaces:

LiteralType, Serializable, Type, VersionType

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public class TimestampType

extends MutableType

implements VersionType, LiteralType

timestamp: A type that maps an SQL TIMESTAMP to a Java java.util.Date or java.sql.Timestamp.

Author:

Gavin King

See Also:

Serialized Form

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Constructor Summary

TimestampType()

 

Method Summary
Object	deepCopyNotNull(Object value)
boolean	equals(Object x, Object y)           Compare two instances of the class mapped by this type for persistence "equality", ie.
Object	fromStringValue(String xml)
Object	get(ResultSet rs, String name)
Comparator	getComparator()           Get a comparator for the version numbers
String	getName()           Returns the abbreviated name of the type.
Class	getReturnedClass()           The class returned by nullSafeGet() methods.
boolean	hasNiceEquals()           Does this type implement a well-behaved equals() method.
Object	next(Object current)           Increment the version.
String	objectToSQLString(Object value)           String representation of the value, suitable for embedding in an SQL statement.
Object	seed()           Generate an initial version.
void	set(PreparedStatement st, Object value, int index)
int	sqlType()
String	toString(Object val)

 

Methods inherited from class net.sf.hibernate.type.MutableType

copy, isMutable

 

Methods inherited from class net.sf.hibernate.type.NullableType

deepCopy, fromString, getColumnSpan, nullSafeGet, nullSafeGet, nullSafeGet, nullSafeGet, nullSafeSet, nullSafeSet, sqlTypes, toString

 

Methods inherited from class net.sf.hibernate.type.AbstractType

assemble, disassemble, equals, hashCode, hydrate, isAssociationType, isComponentType, isDirty, isEntityType, isModified, isObjectType, isPersistentCollectionType, resolveIdentifier

 

Methods inherited from class java.lang.Object

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

 

Methods inherited from interface net.sf.hibernate.type.Type

assemble, copy, deepCopy, disassemble, fromString, getColumnSpan, hydrate, isAssociationType, isComponentType, isDirty, isEntityType, isModified, isMutable, isObjectType, isPersistentCollectionType, nullSafeGet, nullSafeGet, nullSafeSet, resolveIdentifier, sqlTypes, toString

 

Constructor Detail

TimestampType

public TimestampType()

Method Detail

get

public Object get(ResultSet rs,
                  String name)
           throws SQLException

Specified by:

get in class NullableType

Throws:

SQLException

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getReturnedClass

public Class getReturnedClass()

Description copied from interface: Type

The class returned by nullSafeGet() methods. This is used to establish the class of an array of this type.

Specified by:

getReturnedClass in interface Type

Returns:

Class

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set

public void set(PreparedStatement st,
                Object value,
                int index)
         throws SQLException

Specified by:

set in class NullableType

Throws:

SQLException

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sqlType

public int sqlType()

Specified by:

sqlType in class NullableType

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getName

public String getName()

Description copied from interface: Type

Returns the abbreviated name of the type.

Specified by:

getName in interface Type

Returns:

String the Hibernate type name

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toString

public String toString(Object val)

Specified by:

toString in class NullableType

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deepCopyNotNull

public Object deepCopyNotNull(Object value)

Specified by:

deepCopyNotNull in class NullableType

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equals

public boolean equals(Object x,
                      Object y)

Description copied from interface: Type

Compare two instances of the class mapped by this type for persistence "equality", ie. Equality of persistent state.

Specified by:

equals in interface Type

Parameters:

x -

y -

Returns:

boolean

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hasNiceEquals

public boolean hasNiceEquals()

Description copied from interface: Type

Does this type implement a well-behaved equals() method. (ie. one that is consistent with Type.equals().) Strictly, if this method returns true then x.equals(y) implies Type.equals(x, y) and also Type.equals(x, y) implies that probably x.equals(y)

Specified by:

hasNiceEquals in interface Type

Overrides:

hasNiceEquals in class MutableType

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next

public Object next(Object current)

Description copied from interface: VersionType

Increment the version.

Specified by:

next in interface VersionType

Parameters:

current - the current version

Returns:

an instance of the type

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seed

public Object seed()

Description copied from interface: VersionType

Generate an initial version.

Specified by:

seed in interface VersionType

Returns:

an instance of the type

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objectToSQLString

public String objectToSQLString(Object value)
                         throws Exception

Description copied from interface: LiteralType

String representation of the value, suitable for embedding in an SQL statement.

Specified by:

objectToSQLString in interface LiteralType

Parameters:

value -

Returns:

String

Throws:

Exception

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fromStringValue

public Object fromStringValue(String xml)
                       throws HibernateException

Specified by:

fromStringValue in class NullableType

Throws:

HibernateException

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getComparator

public Comparator getComparator()

Description copied from interface: VersionType

Get a comparator for the version numbers

Specified by:

getComparator in interface VersionType

Returns:

a comparator

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