CFileDataSource

Name

CFileDataSource -- Ring item data source from a file

Synopsis

 class CFileDataSource {

  CFileDataSource(URL& url, std::vector<uint16_t> exclusionList);

  CRingItem* getItem();
}

DESCRIPTION

Provides a source of ring items from a file. For information about how to directly create and use this object see METHODS below. The normal way to create a data source object, however is to use CDataSourceFactory to create the correct type of data source from a URI

METHODS

CFileDataSource(URL& url, std::vector<uint16_t> exclusionList);

Creates a file data source. url determines which file data will be read from. The url must have a file: protocol specified.

exclusionList is a list of data item types that will not be passed to the caller by getItem.

CRingItem* getItem();

Gets the next ring item from the file whose type is not a type in the construtor's exclusionList.