Im not sure what's the context, but this may be what you want:
static public NetcdfFile open(String location, String className, int
bufferSize, CancelTask
cancelTask, String iospClassName);
undocumented at the moment, but a look at the source should make it obvious.
Jon Blower wrote:
> Hi John,
>
> Is it possible to explicitly specify the IOServiceProvider that should
> be used when opening a Netcdf file/dataset? In my case I will know
> what IOSP to use in advance and coding the isValidFile() method could
> be tricky in general.
>
> I guess I could use a single IOSP (whose isValidFile() always returns
> true) and use the spiObject as a signal to work out the internal logic
> (perhaps delegating to other IOSPs).
>
> Cheers, Jon
>
> On Sat, Jan 26, 2008 at 8:25 PM, John Caron <caron@xxxxxxxxxxxxxxxx> wrote:
>>
>> Jon Blower wrote:
>> > Hi,
>> >
>> > I have a couple of questions about IOServiceProviders:
>> >
>> > 1) What happens if two IOServiceProviders return true for
>> > isValidFile()? Which provider is used?
>>
>> the first one thats asked. user-loaded iosps are loaded in front of the
>> system ones, so users can override.
>>
>>
>>
>> > 2) When does sync() get called?
>>
>> sync is an attempt to deal with files that change after being opened. most
>> IOSPs cant handle this, but we are curently trying to make it work for
>> netcdf-3 record dimension growth and grib files.
>>
>> the main case is from NetcdfFileCache, sync is called when a cached file is
>> found. NcML aggregation also calls this.
>>
>> >
>> > Thanks,
>> > Jon
>> >
>>
>
>
>
