Re: [netcdf-java] Questions about IOServiceProvider



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



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