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

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net.sf.hibernate.type
Class LongType

java.lang.Object
  net.sf.hibernate.type.AbstractType
      net.sf.hibernate.type.NullableType
          net.sf.hibernate.type.ImmutableType
              net.sf.hibernate.type.PrimitiveType
                  net.sf.hibernate.type.LongType

All Implemented Interfaces:

DiscriminatorType, IdentifierType, LiteralType, Serializable, Type, VersionType

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public class LongType

extends PrimitiveType

implements DiscriminatorType, VersionType

long: A type that maps an SQL BIGINT to a Java Long.

Author:

Gavin King

See Also:

Serialized Form

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Constructor Summary

LongType()

 

Method Summary
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	getPrimitiveClass()
Class	getReturnedClass()           The class returned by nullSafeGet() methods.
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()
Object	stringToObject(String xml)           Convert the value from the mapping file to a Java object.

 

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

equals, toString

 

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

copy, deepCopyNotNull, hasNiceEquals, 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, equals, fromString, getColumnSpan, hasNiceEquals, hydrate, isAssociationType, isComponentType, isDirty, isEntityType, isModified, isMutable, isObjectType, isPersistentCollectionType, nullSafeGet, nullSafeGet, nullSafeSet, resolveIdentifier, sqlTypes, toString

 

Constructor Detail

LongType

public LongType()

Method Detail

get

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

Specified by:

get in class NullableType

Throws:

SQLException

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getPrimitiveClass

public Class getPrimitiveClass()

Specified by:

getPrimitiveClass in class PrimitiveType

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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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stringToObject

public Object stringToObject(String xml)
                      throws Exception

Description copied from interface: IdentifierType

Convert the value from the mapping file to a Java object.

Specified by:

stringToObject in interface IdentifierType

Parameters:

xml - the value of discriminator-value or unsaved-value attribute

Returns:

Object

Throws:

Exception

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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)

Specified by:

fromStringValue in class NullableType

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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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