# mgIAcquireLockImp.h File Reference

Include dependency graph for mgIAcquireLockImp.h:

## Namespaces
namespace | OSGeo
namespace | OSGeo::FDO
namespace | OSGeo::FDO::Commands
namespace | OSGeo::FDO::Commands::Locking
## Classes
class | OSGeo::FDO::Commands::Locking::IAcquireLockImp
| The IAcquireLockImp class is a concrete implementation of IAcquireLock. The IAcquireLock interface locks feature instances of a given class that match the specified criteria. Input to the acquire lock command includes the name of the class, the lock type, the lock strategy, and filter criteria by which to identify the instances to be locked. The filter may be specified either as text or as an expression tree (most likely produced by a query builder). The lock type value is one of. More...