wt.graph
Class ObjectGraphFactory

java.lang.Object
  wt.graph.ObjectGraphFactory

All Implemented Interfaces:

Externalizable, RemoteAccess, Serializable

public final class ObjectGraphFactory

extends Object

implements RemoteAccess, Externalizable

Provides an abstract factory that employs an encoding approach via stream(s) to persist a meta-object's persistent attributes as an XML document.

Supported API: false

Extendable: false

See Also:

Serialized Form

Field Summary

private static String	CLASSNAME
static long	EXTERNALIZATION_VERSION_UID
private static String	FC_RESOURCE
protected static long	OLD_FORMAT_VERSION_UID
private static String	RESOURCE
(package private) static long	serialVersionUID
(package private) static boolean	SERVER

Fields inherited from interface wt.method.RemoteAccess

versionID

Constructor Summary

ObjectGraphFactory()


Supported API: false

Method Summary

protected ObjectGraph	_newGraph(Persistable root, String graphImpl, String nodeImpl, String edgeImpl) Allows construction of an object graph based on the given Persistable object as the root of the graph.
static void	main(String[] args)
ObjectGraph	newGraph(Persistable root, String graphImpl, String nodeImpl, String edgeImpl) Allows construction of an object graph based on the given Persistable object as the root of the graph.
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(ObjectGraphFactory thisObject, ObjectInput input, long readSerialVersionUID, boolean passThrough, boolean superDone) Reads the non-transient fields of this class from an external source.
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

SERVER

static final boolean SERVER

FC_RESOURCE

private static final String FC_RESOURCE

See Also:

Constant Field Values

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

ObjectGraphFactory

public ObjectGraphFactory()

Supported API: false

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(ObjectGraphFactory 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

newGraph

public ObjectGraph newGraph(Persistable root,
                            String graphImpl,
                            String nodeImpl,
                            String edgeImpl)
                     throws WTException,
                            WTPropertyVetoException,
                            ObjectGraphException

Allows construction of an object graph based on the given Persistable object as the root of the graph. This places no restriction on what type of objects can be represented in an object graph so long as they are persistable types of objects.

Supported API: false

Parameters:

root -

graphImpl -

nodeImpl -

edgeImpl -

Returns:

ObjectGraph

Throws:

WTException

WTPropertyVetoException

ObjectGraphException

_newGraph

protected ObjectGraph _newGraph(Persistable root,
                                String graphImpl,
                                String nodeImpl,
                                String edgeImpl)
                         throws WTException,
                                WTPropertyVetoException,
                                ObjectGraphException

Allows construction of an object graph based on the given Persistable object as the root of the graph. This places no restriction on what type of objects can be represented in an object graph so long as they are persistable types of objects.

Supported API: false

Parameters:

root -

graphImpl -

nodeImpl -

edgeImpl -

Returns:

ObjectGraph

Throws:

WTException

WTPropertyVetoException

ObjectGraphException

main

public static final void main(String[] args)