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TextType (Hibernate API Documentation) - Hibernate 3.2.4 正式版 API 英文文档

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org.hibernate.type
Class TextType

java.lang.Object
  org.hibernate.type.AbstractType
      org.hibernate.type.NullableType
          org.hibernate.type.ImmutableType
              org.hibernate.type.TextType

All Implemented Interfaces:

Serializable, Type

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public class TextType

extends ImmutableType

text: A type that maps an SQL CLOB to a Java String.

Author:

Gavin King, Bertrand Renuart

See Also:

Serialized Form

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Constructor Summary

TextType()

 

Method Summary
Object	fromStringValue(String xml)
Object	get(ResultSet rs, String name)           Get a column value from a result set, without worrying about the possibility of null values.
String	getName()           Returns the abbreviated name of the type.
Class	getReturnedClass()           The class returned by nullSafeGet() methods.
void	set(PreparedStatement st, Object value, int index)           Set a parameter value without worrying about the possibility of null values.
int	sqlType()           A convenience form of NullableType.sqlTypes(org.hibernate.engine.Mapping), returning just a single type value since these are explicitly dealing with single column mappings.
String	toString(Object val)

 

Methods inherited from class org.hibernate.type.ImmutableType

deepCopy, isMutable, replace

 

Methods inherited from class org.hibernate.type.NullableType

fromXMLNode, fromXMLString, getColumnSpan, isDirty, isEqual, isEqual, nullSafeGet, nullSafeGet, nullSafeGet, nullSafeGet, nullSafeSet, nullSafeSet, nullSafeSet, nullSafeToString, setToXMLNode, sqlTypes, toColumnNullness, toLoggableString, toXMLString

 

Methods inherited from class org.hibernate.type.AbstractType

assemble, beforeAssemble, compare, disassemble, getHashCode, getHashCode, getSemiResolvedType, hydrate, isAnyType, isAssociationType, isCollectionType, isComponentType, isDirty, isEntityType, isEqual, isModified, isSame, isXMLElement, replace, replaceNode, resolve, semiResolve

 

Methods inherited from class java.lang.Object

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

 

Constructor Detail

TextType

public TextType()

Method Detail

set

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

Description copied from class: NullableType

Set a parameter value without worrying about the possibility of null values. Called from NullableType.nullSafeSet(java.sql.PreparedStatement, java.lang.Object, int, boolean[], org.hibernate.engine.SessionImplementor) after nullness checks have been performed.

Specified by:

set in class NullableType

Parameters:

st - The statement into which to bind the parameter value.

value - The parameter value to bind.

index - The position or index at which to bind the param value.

Throws:

SQLException - Indicates problem making the JDBC call(s).

HibernateException - Generally some form of mismatch error.

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get

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

Description copied from class: NullableType

Get a column value from a result set, without worrying about the possibility of null values. Called from NullableType.nullSafeGet(java.sql.ResultSet, java.lang.String[], org.hibernate.engine.SessionImplementor, java.lang.Object) after nullness checks have been performed.

Specified by:

get in class NullableType

Parameters:

rs - The result set from which to extract the value.

name - The name of the value to extract.

Returns:

The extracted value.

Throws:

SQLException - Indicates problem making the JDBC call(s).

HibernateException - Generally some form of mismatch error.

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sqlType

public int sqlType()

Description copied from class: NullableType

A convenience form of NullableType.sqlTypes(org.hibernate.engine.Mapping), returning just a single type value since these are explicitly dealing with single column mappings.

Specified by:

sqlType in class NullableType

Returns:

The Types mapping value.

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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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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)

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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