A convenience class to assist in migrating code to potentially use asynchronous I/O. More...

#include <VisBuffer.h>

Public Member Functions
	VisBufferAutoPtr ()
	VisBufferAutoPtr (VisBufferAutoPtr &other)
	VisBufferAutoPtr (VisBuffer &)
	VisBufferAutoPtr (VisBuffer *)
	VisBufferAutoPtr (ROVisibilityIterator *rovi)
	VisBufferAutoPtr (ROVisibilityIterator &rovi)
	~VisBufferAutoPtr ()
VisBufferAutoPtr &	operator= (VisBufferAutoPtr &other)
VisBuffer &	operator* () const
VisBuffer *	operator-> () const
VisBuffer *	get () const
VisBuffer *	release ()
void	set (VisBuffer &)
void	set (VisBuffer *)
void	set (ROVisibilityIterator *rovi, Bool attachIt=False)
void	set (ROVisibilityIterator &rovi, Bool attachIt=False)
Protected Member Functions
void	construct (ROVisibilityIterator *rovi, Bool attachVi)
void	constructVb (VisBuffer *rovi)
Private Attributes
VisBuffer *	visBuffer_p

Detailed Description

A convenience class to assist in migrating code to potentially use asynchronous I/O.

Prerequisite

Synopsis

When existing code is modified to potentially use asynchronous I/O the current VisBuffer usage is probably using automatic (stack) storage which will have to be replaced to allow VisBufferAsync objects (which derive from VisBuffer) to be used with asynchronous I/O. The goal of this class is to make that transition easier. The user will replace their existing declaration of a VisBuffer object with a declaration of a VisBufferAutoPtr object. Depending on the attributes of the VisBuffer reference/pointer or the ROVisibilityIterator provided in the VisBufferAutoPtr constructor, the appropriate type of VisBuffer will be created dynamically. The VisBufferAutoPtr will also function somewhat like an auto_ptr and delete the underlying object when the VisBufferAutoPtr object is destroyed.

Once the straight VisBuffer declaration is replaced, then the code in its scope will need to be modified to dereference the VisBufferAutoPtr or to delete use of the address-of operator, "&", applied to the previous VisBuffer variable. See the example below.

Example

Before adding asynchronous I/O support


VisBuffer vb (vi);

doSomething (vb);        // void doSomething (VisBuffer &);
doSomethingElse (& vb);  // void doSomethingElse (VisBuffer *);
 After adding asynchronous I/O support 
VisBufferAutoPtr vb (vi);

doSomething (* vb);
doSomethingElse (vb.get());

</code>

Definition at line 1187 of file VisBuffer.h.

Constructor & Destructor Documentation

casa::VisBufferAutoPtr::VisBufferAutoPtr ( )

casa::VisBufferAutoPtr::VisBufferAutoPtr ( VisBufferAutoPtr & other )

casa::VisBufferAutoPtr::VisBufferAutoPtr ( VisBuffer & ) [explicit]

casa::VisBufferAutoPtr::VisBufferAutoPtr ( VisBuffer * ) [explicit]

casa::VisBufferAutoPtr::VisBufferAutoPtr ( ROVisibilityIterator * rovi ) [explicit]

casa::VisBufferAutoPtr::VisBufferAutoPtr ( ROVisibilityIterator & rovi ) [explicit]

casa::VisBufferAutoPtr::~VisBufferAutoPtr ( )

Member Function Documentation

void casa::VisBufferAutoPtr::construct	(	ROVisibilityIterator *	rovi,
		Bool	attachVi
	)		`[protected]`

void casa::VisBufferAutoPtr::constructVb ( VisBuffer * rovi ) [protected]

VisBuffer* casa::VisBufferAutoPtr::get ( ) const

VisBuffer& casa::VisBufferAutoPtr::operator* ( ) const

VisBuffer* casa::VisBufferAutoPtr::operator-> ( ) const

VisBufferAutoPtr& casa::VisBufferAutoPtr::operator= ( VisBufferAutoPtr & other )

VisBuffer* casa::VisBufferAutoPtr::release ( )

void casa::VisBufferAutoPtr::set ( VisBuffer & )

void casa::VisBufferAutoPtr::set ( VisBuffer * )

void casa::VisBufferAutoPtr::set	(	ROVisibilityIterator *	rovi,
		Bool	attachIt = `False`
	)

void casa::VisBufferAutoPtr::set	(	ROVisibilityIterator &	rovi,
		Bool	attachIt = `False`
	)

Member Data Documentation

VisBuffer* casa::VisBufferAutoPtr::visBuffer_p [private]

Definition at line 1217 of file VisBuffer.h.

The documentation for this class was generated from the following file:

code/synthesis/MSVis/VisBuffer.h

Public Member Functions

Protected Member Functions