ERA msiGetDataObjAVUs microservice

[Tony Edgin]

I'm using iRODS 3.3.1.

I'm trying to use msiGetDataObjAVUs, but I don't understand how.  Here's an example of a call to it.

msiGetDataObjAVUs('/iplant/home/tedgin/file', *avus);

writeLine('serverLog', *avus);

In the server log, I see the number 226.

How do I get to the AVUs that have been retrieved?

Thanks.

[Hao Xu]

Tony,

You can use LINQ to do this

*rs = SELECT META_DATA_ATTR_NAME, META_DATA_ATTR_VALUE, META_DATA_ATTR_UNIT WHERE

            DATA_NAME = "file" AND COLL_NAME = "/iplant/home/tedgin"

foreach(*row in *rs) {

     writeLine("serverLog", *row.META_DATA_ATTR_NAME ++ *row.META_DATA_ATTR_VALUE ++ *row.META_DATA_ATTR_UNIT);

}

Thanks,

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[Tony Edgin]

Does this mean the microservice isn't working?

[Hao Xu]

It's removed from the 4.x repo. If it is still needed, we'll turn it into a plugin. So It's a recommended to use LIGQ. The microservice still works using this example:

myTestRule {
#Input parameter is:
#  Path of file
#Output parameter is:
#  Buffer listing AVUs for the file in XML format
  msiGetDataObjAVUs(*Path,*Buf);
  writeBytesBuf("stdout",*Buf);
}
INPUT *Path="/tempZone/home/rods/sub1/foo1"
OUTPUT ruleExecOut