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This
class represents a class that is being
serialized. An
ObjectStreamClass object contains the name of a
class, its unique version identifier, and the name and type of the
fields that constitute the serialization format for the class.
getSerialVersionUID(
)
returns a unique version identifier
for the class. It returns either the value of the private
serialVersionUID field of the class or a computed value
that is based upon the public API of the class. In Java 1.2 and
later, getFields(
) returns an array of ObjectStreamField
objects that represent the names and types of the fields of the class
to be serialized. getField(
)
returns a single ObjectStreamField object that
represents a single named field. By default, these methods use all
the fields of a class except those that are static
or transient. However, this default set of fields
can be overridden by declaring a private
serialPersistentFields field in the class. The
value of this field should be the desired array of
ObjectStreamField objects.ObjectStreamClass
class does not have a constructor; you should use the static
lookup( ) method to obtain an
ObjectStreamClass object for a given
Class object. The forClass( )
instance method performs the opposite operation; it returns the
Class object that corresponds to a given
ObjectStreamClass. Most applications never need to
use this class.
Figure 9-39. java.io.ObjectStreamClass
public class ObjectStreamClass implements Serializable {
// No Constructor
// Public Constants
1.2 public static final ObjectStreamField[ ] NO_FIELDS ;
// Public Class Methods
public static ObjectStreamClass lookup (Class<?> cl );
// Public Instance Methods
public Class<?> forClass ( );
1.2 public ObjectStreamField getField (String name );
1.2 public ObjectStreamField[ ] getFields ( );
public String getName ( );
public long getSerialVersionUID ( );
// Public Methods Overriding Object
public String toString ( );
}Passed To
ObjectInputStream.resolveClass( ),
ObjectOutputStream.writeClassDescriptor( )
Returned By
ObjectInputStream.readClassDescriptor( ),
ObjectInputStream.GetField.getObjectStreamClass( )
