wt.graph
Class ObjectImage

java.lang.Object
  wt.graph.ObjectImage

All Implemented Interfaces:

Externalizable, Serializable

Direct Known Subclasses:

ObjectPrototypeImage, VariableObjectReferenceImage, XMLObjectContentImage

public abstract class ObjectImage

extends Object

implements Externalizable

Provides for a common means of abstracting any type of object, potentially ranging from some form of object reference to merely a classname.

Supported API: true

Extendable: false

See Also:

Serialized Form

Field Summary

private static String	CLASSNAME
static long	EXTERNALIZATION_VERSION_UID
protected static long	OLD_FORMAT_VERSION_UID
private static String	RESOURCE
(package private) static long	serialVersionUID
private String	value

Constructor Summary

ObjectImage()

Method Summary

abstract Persistable	getObject() Supported API: false
String	getValue() Gets the value of the attribute: value.
static ObjectImage	newObjectImage(String consumer) Makes a new instance of one of the subclassed images as defined in a property where the consumer class is paired with the image subclass.
void	readExternal(ObjectInput input) Reads the non-transient fields of this class from an external source.
private boolean	readOldVersion(ObjectInput input, long readSerialVersionUID, boolean passThrough, boolean superDone) Reads the non-transient fields of this class from an external source, which is not the current version.
protected boolean	readVersion(ObjectImage thisObject, ObjectInput input, long readSerialVersionUID, boolean passThrough, boolean superDone) Reads the non-transient fields of this class from an external source.
abstract void	setValue(Persistable value) Supported API: false
protected void	setValue(String a_Value) Sets the value of the attribute: value.
void	writeExternal(ObjectOutput output) Writes the non-transient fields of this class to an external source.

Methods inherited from class java.lang.Object

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

Field Detail

RESOURCE

private static final String RESOURCE

See Also:

Constant Field Values

CLASSNAME

private static final String CLASSNAME

value

private String value

serialVersionUID

static final long serialVersionUID

See Also:

Constant Field Values

EXTERNALIZATION_VERSION_UID

public static final long EXTERNALIZATION_VERSION_UID

See Also:

Constant Field Values

OLD_FORMAT_VERSION_UID

protected static final long OLD_FORMAT_VERSION_UID

See Also:

Constant Field Values

Constructor Detail

ObjectImage

public ObjectImage()

Method Detail

writeExternal

public void writeExternal(ObjectOutput output)
                   throws IOException

Writes the non-transient fields of this class to an external source.

Supported API: false

Specified by:

writeExternal in interface Externalizable

Parameters:

output -

Throws:

IOException

readExternal

public void readExternal(ObjectInput input)
                  throws IOException,
                         ClassNotFoundException

Reads the non-transient fields of this class from an external source.

Supported API: false

Specified by:

readExternal in interface Externalizable

Parameters:

input -

Throws:

IOException

ClassNotFoundException

readVersion

protected boolean readVersion(ObjectImage thisObject,
                              ObjectInput input,
                              long readSerialVersionUID,
                              boolean passThrough,
                              boolean superDone)
                       throws IOException,
                              ClassNotFoundException

Reads the non-transient fields of this class from an external source.

Supported API: false

Parameters:

thisObject -

input -

readSerialVersionUID -

passThrough -

superDone -

Returns:

boolean

Throws:

IOException

ClassNotFoundException

readOldVersion

private boolean readOldVersion(ObjectInput input,
                               long readSerialVersionUID,
                               boolean passThrough,
                               boolean superDone)
                        throws IOException,
                               ClassNotFoundException

Reads the non-transient fields of this class from an external source, which is not the current version.

Parameters:

input -

readSerialVersionUID -

passThrough -

superDone -

Returns:

boolean

Throws:

IOException

ClassNotFoundException

getValue

public String getValue()

Gets the value of the attribute: value.

Supported API: false

Returns:

String

setValue

protected void setValue(String a_Value)

Sets the value of the attribute: value.

Supported API: false

Parameters:

a_Value -

newObjectImage

public static final ObjectImage newObjectImage(String consumer)
                                        throws ObjectGraphException

Makes a new instance of one of the subclassed images as defined in a property where the consumer class is paired with the image subclass.

Supported API: true

Parameters:

consumer -

Returns:

ObjectImage

Throws:

ObjectGraphException

setValue

public abstract void setValue(Persistable value)
                       throws ObjectGraphException

Supported API: false

Parameters:

value -

Throws:

ObjectGraphException

getObject

public abstract Persistable getObject()
                               throws WTException,
                                      ObjectGraphException

Supported API: false

Returns:

Persistable

Throws:

WTException

ObjectGraphException