IContentIteratorRegister Class Reference

#include <IContentIteratorRegister.h>

Inheritance diagram for IContentIteratorRegister:

Public Member Functions
virtual uint32	GetClassIDCount ()=0
virtual void	GetNthClassID (uint32 n, ClassID &id)=0
virtual uint32	GetImplementationIDCount ()=0
virtual void	GetNthImplementationID (uint32 n, ImplementationID &id)=0
virtual IContentReadIterator *	NewNthClassReadIterator (uint32 n, const VersionID &version, IPMStream *s)=0
virtual IContentWriteIterator *	NewNthClassWriteIterator (uint32 n, const VersionID &version, IPMStream *s)=0
virtual IContentReadIterator *	NewNthImplementationReadIterator (uint32 n, const VersionID &version, IPMStream *s)=0
virtual IContentWriteIterator *	NewNthImplementationWriteIterator (uint32 n, const VersionID &version, IPMStream *s)=0
Public Member Functions inherited from IPMUnknown
virtual IPMUnknown *	QueryInterface (PMIID interfaceID) const =0
virtual void	AddRef () const =0
virtual void	Release () const =0

Detailed Description

This interface allows a client to register a set of class and implementation Content Iterators. The object implementing this interface must register with the system as a service provider of type kContentIteratorRegisterServiceImpl.

See Also

IContentReadIterator

IContentWriteIterator

Member Function Documentation

virtual uint32 IContentIteratorRegister::GetClassIDCount ( )

pure virtual

Return a count of the number of classes for which iterators can be provided.

Returns

The class count

Implemented in CContentIteratorRegister.

virtual uint32 IContentIteratorRegister::GetImplementationIDCount ( )

pure virtual

Return a count of the number of implementations for which iterators can be provided.

Returns

The implementation count

Implemented in CContentIteratorRegister, and SnapIteratorRegister.

virtual void IContentIteratorRegister::GetNthClassID ( uint32  n, ClassID &  id  )

pure virtual

Return the ID of the n-th class for which iterators can be provided.

Parameters

n	IN Which class
id	OUT The class ID or kInvalidClass if n is invalid.

Implemented in CContentIteratorRegister.

virtual void IContentIteratorRegister::GetNthImplementationID ( uint32  n, ImplementationID &  id  )

pure virtual

Return the ID of the n-th implementation for which iterators can be provided.

Parameters

n	IN Which implementation
id	OUT The implementation ID or kInvalidImpl if n is invalid.

Implemented in SnapIteratorRegister, and CContentIteratorRegister.

virtual IContentReadIterator* IContentIteratorRegister::NewNthClassReadIterator ( uint32  n, const VersionID &  version, IPMStream *  s  )

pure virtual

Create a new input iterator for a particular version of a particular class.

Parameters

n	IN The index of the class in the list supplied via GetNthClassID()
version	IN The class data format
s	IN An input stream that contains the data in the specified format

Returns

A referenced instance of IContentReadIterator

Implemented in CContentIteratorRegister.

virtual IContentWriteIterator* IContentIteratorRegister::NewNthClassWriteIterator ( uint32  n, const VersionID &  version, IPMStream *  s  )

pure virtual

Create a new output iterator for a particular version of a particular class.

Parameters

n	IN The index of the class in the list supplied via GetNthClassID()
version	IN The class data format
s	IN An output stream that will contain the data

Returns

A referenced instance of IContentWriteIterator

Implemented in CContentIteratorRegister.

virtual IContentReadIterator* IContentIteratorRegister::NewNthImplementationReadIterator ( uint32  n, const VersionID &  version, IPMStream *  s  )

pure virtual

Create a new input iterator for a particular version of a particular implementation.

Parameters

n	IN The index of the implementation in the list supplied via GetNthImplementationID()
version	IN The implementation data format
s	IN An input stream that contains the data in the specified format

Returns

A referenced instance of IContentReadIterator

Implemented in SnapIteratorRegister, and CContentIteratorRegister.

virtual IContentWriteIterator* IContentIteratorRegister::NewNthImplementationWriteIterator ( uint32  n, const VersionID &  version, IPMStream *  s  )

pure virtual

Create a new output iterator for a particular version of a particular implementation.

Parameters

n	IN The index of the implementation in the list supplied via GetNthImplementationID()
version	IN The implementation data format
s	IN An output stream that will contain the data

Returns

A referenced instance of IContentWriteIterator

Implemented in SnapIteratorRegister, and CContentIteratorRegister.