OdDbPageController::write Method

Syntax

C++

virtual bool write(Key& key, OdStreamBuf* pStreamBuf) = 0;

Description

Pages out data as required to a client-supplied data source.

Parameters

Parameters	Description
key	[out] Paged data key, as used by read().
pStreamBuf	[in] Pointer to the StreamBuf object from which the data are to be written.

Returns

Returns true if and only if the PageController implementation has successfully paged the data.

Remarks

Implementations of this function are expected to write the entire contents of pStreamBuf to an external data source, and to set assign a unique value to the key argument that identifies this chunk of paged data. This key value will be used in a subsequent calls to read() to retrieve this specific paged data.

Links

OdDbPageController Class

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