DO: If you want to count the number of batch control parameters that belong to a parent batch control, use the size() method as in the following example:
BatchControl someBatchControl = ...; BatchControlParameters parms = someBatchControl.getParameters(); int count = parms.size();
The framework implementation code has an optimized implementation of the size() method, which either counts the existing in-memory collection elements, if they are already present, or issues a SQL count(*) query, if they aren't.
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