Helper class to notify class Record about changes. More...

#include <RecordInterface.h>

Public Types
enum	NoticeType { DETACH , ACQUIRE , REMOVE }
	Define the possible change types. More...

Public Member Functions
	RecordNotice (NoticeType changeType, uInt fieldNumber)
	Construct a notice for the given type and field number. More...

virtual bool	operator== (const Notice &that) const
	Always returns False. More...

NoticeType	changeType () const
	Return the change type. More...

Int	fieldNumber () const
	Return the field number. More...

Public Member Functions inherited from casacore::Notice
	Notice ()

virtual	~Notice ()

Private Attributes
NoticeType	changeType_p

uInt	fieldNumber_p

Detailed Description

Helper class to notify class Record about changes.

Intended use:

Internal

Review Status

Reviewed By:: Mark Wieringa
Date Reviewed:: 1996/04/15
Test programs:: tRecord

Prerequisite

Notice.

Synopsis

This class is of essentially no interest. The Notification system which is used to invalidate RecordFieldPtr's to a destructed or changed record requires that a class derived from Notice be available to carry messages. There are 3 messages which are described below.

Definition at line 617 of file RecordInterface.h.

Member Enumeration Documentation

◆ NoticeType

enum casacore::RecordNotice::NoticeType

Define the possible change types.

Enumerator
DETACH	Record has been deleted; detach all RecordFieldPtr's.
ACQUIRE	RecordRep has been copied; re-acquire the pointers in all RecordFieldPtr's.
REMOVE	A field has been removed; detach that RecordFieldPtr and decrement field numbers in RecordFieldPtr's following it.

Definition at line 621 of file RecordInterface.h.

Constructor & Destructor Documentation

◆ RecordNotice()

casacore::RecordNotice::RecordNotice	(	NoticeType	changeType,
		uInt	fieldNumber
	)

Construct a notice for the given type and field number.

The field number is only used for type REMOVE.

Member Function Documentation

◆ changeType()

RecordNotice::NoticeType casacore::RecordNotice::changeType ( ) const

inline

Return the change type.

Definition at line 650 of file RecordInterface.h.

References changeType_p.

◆ fieldNumber()

Int casacore::RecordNotice::fieldNumber ( ) const

inline

Return the field number.

Definition at line 654 of file RecordInterface.h.

References fieldNumber_p.

◆ operator==()

virtual bool casacore::RecordNotice::operator== ( const Notice & that ) const

virtual

Always returns False.

Implements casacore::Notice.

Member Data Documentation

◆ changeType_p

NoticeType casacore::RecordNotice::changeType_p

private

Definition at line 645 of file RecordInterface.h.

Referenced by changeType().

◆ fieldNumber_p

uInt casacore::RecordNotice::fieldNumber_p