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

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net.sf.hibernate.type
Class BlobType

java.lang.Object
  net.sf.hibernate.type.AbstractType
      net.sf.hibernate.type.NullableType
          net.sf.hibernate.type.ImmutableType
              net.sf.hibernate.type.BlobType

All Implemented Interfaces:

Serializable, Type

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public class BlobType

extends ImmutableType

blob: A type that maps an SQL BLOB to a java.sql.Blob.

Author:

Gavin King

See Also:

Serialized Form

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Constructor Summary

BlobType()

 

Method Summary
Serializable	disassemble(Object value, SessionImplementor session)           Return a cacheable "disassembled" representation of the object.
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)
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.
void	set(PreparedStatement st, Object value, int index)
int	sqlType()
String	toString(Object val)

 

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

copy, deepCopyNotNull, 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, 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

 

Constructor Detail

BlobType

public BlobType()

Method Detail

set

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

Specified by:

set in class NullableType

Throws:

HibernateException

SQLException

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get

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

Specified by:

get in class NullableType

Throws:

HibernateException

SQLException

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sqlType

public int sqlType()

Specified by:

sqlType in class NullableType

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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.

Returns:

Class

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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 ImmutableType

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equals

public boolean equals(Object x,
                      Object y)
               throws HibernateException

Description copied from interface: Type

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

Parameters:

x -

y -

Returns:

boolean

Throws:

HibernateException

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getName

public String getName()

Description copied from interface: Type

Returns the abbreviated name of the type.

Returns:

String the Hibernate type name

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toString

public String toString(Object val)
                throws HibernateException

Specified by:

toString in class NullableType

Throws:

HibernateException

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disassemble

public Serializable disassemble(Object value,
                                SessionImplementor session)
                         throws HibernateException

Description copied from interface: Type

Return a cacheable "disassembled" representation of the object.

Specified by:

disassemble in interface Type

Overrides:

disassemble in class AbstractType

Throws:

HibernateException

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fromStringValue

public Object fromStringValue(String xml)

Specified by:

fromStringValue in class NullableType

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