wt.epm
Class EPMContextHelper

java.lang.Object
  wt.epm.EPMContextHelper

All Implemented Interfaces:

Externalizable, Serializable

public class EPMContextHelper

extends Object

implements Externalizable

Supported API: true

Extendable: false

See Also:

Serialized Form

Field Summary

private static EPMApplicationType	application
private static String	APPLICATION_KEY
private static EPMVetoableChangeListener[]	changeListeners
private static String	CLASSNAME
private static EPMConstructorListener[]	constructorListeners
static long	EXTERNALIZATION_VERSION_UID
static EPMContextManager	manager Supported API: true
protected static long	OLD_FORMAT_VERSION_UID
private static String	RESOURCE
(package private) static long	serialVersionUID
(package private) static boolean	SERVER

Constructor Summary

EPMContextHelper()

Method Summary

static void	fireConstructor(EPMObject object) EPMObjects call this from within their constructors functions to allow client-side listeners to fill in default values for the object, and to perform checking.
static void	fireVetoableChange(EPMObject object, String name, Object oldvalue, Object newvalue) EPMObjects call this from within set() functions to allow client-side listeners to veto changes to fields.
static EPMApplicationType	getApplication() Gett the "current application" as set by setApplication().
private static EPMVetoableChangeListener[]	getChangeListeners()
private static EPMConstructorListener[]	getConstructorListeners()
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(EPMContextHelper thisObject, ObjectInput input, long readSerialVersionUID, boolean passThrough, boolean superDone) Reads the non-transient fields of this class from an external source.
static void	setApplication(EPMApplicationType a_Application) Set the "current application" for use by checking code.
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

changeListeners

private static EPMVetoableChangeListener[] changeListeners

constructorListeners

private static EPMConstructorListener[] constructorListeners

application

private static EPMApplicationType application

manager

public static final EPMContextManager manager

Supported API: true

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

SERVER

static final boolean SERVER

APPLICATION_KEY

private static final String APPLICATION_KEY

See Also:

Constant Field Values

Constructor Detail

EPMContextHelper

public EPMContextHelper()

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(EPMContextHelper 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

fireConstructor

public static void fireConstructor(EPMObject object)
                            throws WTException

EPMObjects call this from within their constructors functions to allow client-side listeners to fill in default values for the object, and to perform checking.

Supported API: false

Parameters:

object -

Throws:

WTException

getApplication

public static EPMApplicationType getApplication()
                                         throws WTException

Gett the "current application" as set by setApplication(). This value is cached on the client-side, but is also sent (via the EPMContextManager) to the server-side SessionContext.

Supported API: true

Returns:

EPMApplicationType

Throws:

WTException

setApplication

public static void setApplication(EPMApplicationType a_Application)
                           throws WTPropertyVetoException

Set the "current application" for use by checking code. This value is cached on the client-side, but is also sent (via the EPMContextManager) to the server-side SessionContext.

This operation is intended for client-side use only.

Supported API: true

Parameters:

a_Application -

Throws:

WTPropertyVetoException

fireVetoableChange

public static void fireVetoableChange(EPMObject object,
                                      String name,
                                      Object oldvalue,
                                      Object newvalue)
                               throws WTPropertyVetoException

EPMObjects call this from within set() functions to allow client-side listeners to veto changes to fields.

Supported API: false

Parameters:

object -

name -

oldvalue -

newvalue -

Throws:

WTPropertyVetoException

getChangeListeners

private static EPMVetoableChangeListener[] getChangeListeners()
                                                       throws WTException

Throws:

WTException

getConstructorListeners

private static EPMConstructorListener[] getConstructorListeners()
                                                         throws WTException

Throws:

WTException