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

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net.sf.hibernate.type
Class StringType

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

All Implemented Interfaces:

DiscriminatorType, IdentifierType, LiteralType, Serializable, Type

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public class StringType

extends ImmutableType

implements DiscriminatorType

string: A type that maps an SQL VARCHAR to a Java String.

Author:

Gavin King

See Also:

Serialized Form

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Constructor Summary

StringType()

 

Method Summary
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.
String	objectToSQLString(Object value)           String representation of the value, suitable for embedding in an SQL statement.
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.
String	toString(Object value)

 

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

 

Constructor Detail

StringType

public StringType()

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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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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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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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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toString

public String toString(Object value)

Specified by:

toString in class NullableType

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fromStringValue

public Object fromStringValue(String xml)

Specified by:

fromStringValue in class NullableType

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