LTIMetadataReader Class Reference

abstract class for populating a metadata database More...

#include <lti_metadataReader.h>

Collaboration diagram for LTIMetadataReader:

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List of all members.

Public Member Functions

virtual ~LTIMetadataReader ()
 destructor
virtual LT_STATUS read ()=0
 read records into database

Protected Member Functions

 LTIMetadataReader (LTIMetadataDatabase &database)
 default constructor

Protected Attributes

LTIMetadataDatabasem_database
 the database to be read into


Detailed Description

This abstract class provides an interface for importing metadata records from a foreign source into an LTIMetadataDatabase.

This is used, for example, to provide a mechanism for reading the TIFF tag style metadata from a MrSID file into the format-neutral, in-memory database.

Definition at line 38 of file lti_metadataReader.h.


Constructor & Destructor Documentation

virtual LTIMetadataReader::~LTIMetadataReader (  )  [virtual]

LTIMetadataReader::LTIMetadataReader ( LTIMetadataDatabase database  )  [protected]

This base constructor creates a reader object which can insert records into a database from some foreign source.

Parameters:
database the database to be read into


Member Function Documentation

virtual LT_STATUS LTIMetadataReader::read (  )  [pure virtual]

This function must be implemented in the derived class. It should read the metadata content from the foreign metadata source, express it as LTIMetadataRecord objects, and add them to the database.

Returns:
status code indicating success or failure


Member Data Documentation

This is the database to be read into. Derived classes may access it directly.

Definition at line 74 of file lti_metadataReader.h.


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

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