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<br />Operal/on PolicIes In RSS <br />TABLE 3. Ust 01 RSS Functions and their Descriptions <br /> ..~::-~, <br /> Arguments type, " <br />Name Type' Example and Description <br />reasonrO DP (policy- TO_DETERMINE_variable :S; <br /> FOR_object_name:P; slocname:P) <br /> reasonr("ending_storage", ResA, <br /> inllow_1) <br /> Returns sum 01 the TO_DETERMINE <br /> variable over all upstream or down- <br /> stream nodes that can influence the <br /> value 01 that variable, The link Irom or <br /> to the slocname determines whether <br /> the sum is over all upstream or down- <br /> stream nodes, <br />Cache Operations <br />cacheO DP (policy- TO_DETERM INE_variable:S; <br /> expression) <br /> Cache{'ResA,Outflow",3,6) <br /> The variable name and value will be <br /> placed in a memory bank, <br />read3acheO DP (policy- TO_DETERMINE_ variable:S <br /> ) <br /> re ad _ cach e{"ResAOutflow'1 <br /> The value 01 variable stored in mem- <br /> ory will be returned, II no variable <br /> value is in memory, it will return zero, <br />check_cache DP (policy- TO_DETERMINE_variable:S <br /> ) <br /> check_cache ("ResA,Outflow") <br /> Determines whether or not a value is <br /> stored in the named cache. Zero is <br /> returned if a value is cached, other- <br /> wise. a non-zero value is returned, <br />.clear_cache DP (policy-TO _DETERMINE_variable:S <br /> ) <br /> clear_cache ("ResA.outflow") <br /> The name and values 01 variable are <br /> cleared lrom memory. <br /> <br />28 <br /> <br />Operation Poticies in RSS <br />