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# gnSourceFactory.h File Reference

`#include "gn/gnDefs.h"`
`#include <string>`
`#include <vector>`
`#include <map>`
`#include "gn/gnBaseSource.h"`

Go to the source code of this file.

## Compounds
class | gnSourceFactory
| gnSourceFactory is the middle man when acessing a sequence data source It tracks all data sources currently in use, ensuring that a particular data source is only opened and parsed once. More...