// Look up a schema based on site, histology and an optional discriminator. // @param lookup schema lookup input // @return a list of StagingSchemaInfo objects private List <StagingSchema> getSchemas(SchemaLookup lookup) { List <StagingSchema> matchedSchemas = new List <StagingSchema>(5); String site = lookup.getInput(StagingData.PRIMARY_SITE_KEY); String histology = lookup.getInput(StagingData.HISTOLOGY_KEY); bool hasDiscriminator = lookup.hasDiscriminator(); // site or histology must be supplied and they must be valid; I am assuming that all algorithms must have tables that validate // both site and histology if ((site != null && !isValidSite(site)) || (histology != null && !isValidHistology(histology))) { return(matchedSchemas); } // searching on a discriminator is only supported if also searching on site and histology; if ssf25 supplied without either // of those fields, return no results if (hasDiscriminator && (site == null || (site.Length == 0) || histology == null || (histology.Length == 0))) { return(matchedSchemas); } // site or histology must be supplied if (site != null || histology != null) { HashSet <String> lstSchemaIds = getSchemaIds(); // loop over selection table and match using only the supplied keys foreach (String schemaId in lstSchemaIds) { StagingSchema schema = (StagingSchema)(getDefinition(schemaId)); if (schema.getSchemaSelectionTable() != null) { StagingTable table = (StagingTable)(getTable(schema.getSchemaSelectionTable())); if (table != null && DecisionEngineFuncs.matchTable(table, lookup.getInputs(), lookup.getKeys()) != null) { matchedSchemas.Add(schema); } } } } return(matchedSchemas); }