程序包 org.hibernate.type.descriptor.java

类 SerializableTypeDescriptor<T extends Serializable>

java.lang.Object

org.hibernate.type.descriptor.java.AbstractTypeDescriptor<T>

org.hibernate.type.descriptor.java.SerializableTypeDescriptor<T>

所有已实现的接口:

Serializable, BasicJavaDescriptor<T>, JavaTypeDescriptor<T>

public class SerializableTypeDescriptor<T extends Serializable>
extends AbstractTypeDescriptor<T>

Descriptor for general Serializable handling.

作者:

Steve Ebersole, Brett meyer

另请参阅:

序列化表格

嵌套类概要

嵌套类

修饰符和类型	类	说明
static class	SerializableTypeDescriptor.SerializableMutabilityPlan<S extends Serializable>

构造器概要

构造器

构造器	说明
SerializableTypeDescriptor(Class<T> type)

方法概要

修饰符和类型	方法	说明
boolean	areEqual(T one, T another)	Determine if two instances are equal
int	extractHashCode(T value)	Extract a proper hash code for this value.
protected T	fromBytes(byte[] bytes)
T	fromString(String string)
protected byte[]	toBytes(T value)
String	toString(T value)
<X> X	unwrap(T value, Class<X> type, WrapperOptions options)	Unwrap an instance of our handled Java type into the requested type.
<X> T	wrap(X value, WrapperOptions options)	Wrap a value as our handled Java type.

从类继承的方法 org.hibernate.type.descriptor.java.AbstractTypeDescriptor

extractLoggableRepresentation, getComparator, getJavaType, getJavaTypeClass, getMutabilityPlan, unknownUnwrap, unknownWrap

从类继承的方法 java.lang.Object

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

从接口继承的方法 org.hibernate.type.descriptor.java.BasicJavaDescriptor

getJdbcRecommendedSqlType

构造器详细资料

SerializableTypeDescriptor

public SerializableTypeDescriptor(Class<T> type)

方法详细资料

toString

public String toString(T value)

fromString

public T fromString(String string)

areEqual

public boolean areEqual(T one,
                        T another)

从接口复制的说明: JavaTypeDescriptor

Determine if two instances are equal

指定者:

areEqual 在接口中 JavaTypeDescriptor<T extends Serializable>

覆盖:

areEqual 在类中 AbstractTypeDescriptor<T extends Serializable>

参数:

one - One instance

another - The other instance

返回:

True if the two are considered equal; false otherwise.

extractHashCode

public int extractHashCode(T value)

从接口复制的说明: JavaTypeDescriptor

Extract a proper hash code for this value.

指定者:

extractHashCode 在接口中 JavaTypeDescriptor<T extends Serializable>

覆盖:

extractHashCode 在类中 AbstractTypeDescriptor<T extends Serializable>

参数:

value - The value for which to extract a hash code.

返回:

The extracted hash code.

unwrap

public <X> X unwrap(T value,
                    Class<X> type,
                    WrapperOptions options)

从接口复制的说明: JavaTypeDescriptor

Unwrap an instance of our handled Java type into the requested type.

As an example, if this is a JavaTypeDescriptor<Integer> and we are asked to unwrap the Integer value as a Long we would return something like Long.valueOf( value.longValue() ).

Intended use is during PreparedStatement binding.

类型参数:

X - The conversion type.

参数:

value - The value to unwrap

type - The type as which to unwrap

options - The options

返回:

The unwrapped value.

wrap

public <X> T wrap(X value,
                  WrapperOptions options)

从接口复制的说明: JavaTypeDescriptor

Wrap a value as our handled Java type.

Intended use is during ResultSet extraction.

类型参数:

X - The conversion type.

参数:

value - The value to wrap.

options - The options

返回:

The wrapped value.

toBytes

protected byte[] toBytes(T value)

fromBytes

protected T fromBytes(byte[] bytes)