protected override bool ReleaseHandle()
{
_deleteInstance(this.handle);
//makes GC live easier
_newInstance = null;
_deleteInstance = null;
return true;
}
public DatabaseHandle(LibraryHandle libraryHandle)
: base(true)
{
LibraryHandle = libraryHandle;
_newInstance = libraryHandle.GetUnmanagedDelegate<NewInstanceDelegate>();
_deleteInstance = libraryHandle.GetUnmanagedDelegate<DeleteInstanceDelegate>();
this.handle = _newInstance(LibraryHandle);
if (IsInvalid)
{
throw new EjdbException("Unable to create ejdb instance");
}
}
//Creates new instance of ejdb. Don't know what' is it, but it looks it should be done before opening database
public unsafe DatabaseFunctions(LibraryHandle handle)
{
NewInstance = handle.GetUnmanagedDelegate <NewInstanceDelegate>();
DeleteInstance = handle.GetUnmanagedDelegate <DeleteInstanceDelegate>();
OpenDatabase = handle.GetUnmanagedDelegate <OpenDatabaseDelegate>();
CloseDatabase = handle.GetUnmanagedDelegate <CloseDatabaseDelegate>();
IsOpen = handle.GetUnmanagedDelegate <IsOpenDelegate>();
GetErrorCode = handle.GetUnmanagedDelegate <GetErrorCodeDelegate>();
GetMetadata = handle.GetUnmanagedDelegate <GetMetaDelegate>();
Command = handle.GetUnmanagedDelegate <CommandDelegate>();
Sync = handle.GetUnmanagedDelegate <SyncDelegate>();
}
