BlobImpl Class Reference

Default Blob value implementation. More...

#include <tntdb/impl/blob.h>

Inheritance diagram for BlobImpl:

List of all members.

Public Member Functions
virtual void	assign (const char *data, std::size_t len)
	Assign data of a given length.
virtual char *	reserve (std::size_t len, bool shrink)
	Makes sure, the buffer has at least len bytes.
virtual IBlob *	create () const
	Create a value implementation.
virtual void	destroy ()
	Destroy a value implementation.
Static Public Member Functions
static BlobImpl *	emptyInstance ()
Protected Member Functions
	BlobImpl (int)

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Detailed Description

This implementation uses new/delete to create and destroy the shared objects and new/delete to allocate memory for the blob-data.

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Member Function Documentation

virtual void assign	(	const char *	data,
		std::size_t	len
	)			[virtual]

The len bytes of the data pointed to by data are copied to this blob.

Implements IBlob.

virtual IBlob* create

(

)

const [virtual]

Returns a pointer to a implementation class derived from IBlob. IBlob::destroy must be implemented accordingly to destroy this instance.

Implements IBlob.

virtual void destroy

(

)

[virtual]

Destroys an instance previously created by the IBlob::create.

Implements IBlob.