@Override public FeatureCalc create(Expression expr) { return new SumVisitor(expr); }
@Override public FeatureCalc create(Expression expr) { // if expr is <property> wrap it with area2 function, if not, it's already wrapped if (expr instanceof FunctionExpression) { return new SumVisitor(expr); } FilterFactory factory = CommonFactoryFinder.getFilterFactory(null); return new SumVisitor(factory.function("area2", expr)); }
@Override protected FeatureCalc createVisitor(int attributeTypeIndex, SimpleFeatureType type) { return new SumVisitor(attributeTypeIndex, type); } }
/** * Calculate sum (using FeatureCalc) - only one parameter is used. * * @param collection collection to calculate the sum * @param expression Single Expression argument * @return An object containing the sum value of the attributes * @throws IllegalFilterException * @throws IOException */ static CalcResult calculateSum(SimpleFeatureCollection collection, Expression expression) throws IllegalFilterException, IOException { SumVisitor sumVisitor = new SumVisitor(expression); collection.accepts(sumVisitor, null); return sumVisitor.getResult(); }
CommonFactoryFinder.getFilterFactory(null).property(aggAttribute)); } else if (function == AggregationFunction.Sum) { calc = new SumVisitor(attIndex, features.getSchema()); } else if (function == AggregationFunction.SumArea) { calc = new SumAreaVisitor(attIndex, features.getSchema());
listLexer lexer = new listLexer(new ANTLRInputStream("[1, 2, 3]")); listParser parser = new listParser(new CommonTokenStream(lexer)); Integer sum = new SumVisitor().visit(parser.list()); System.out.println("sum=" + sum);
public void testCountSumMerge() throws IllegalFilterException, IOException { CountVisitor countVisitor = new CountVisitor(); fc2.accepts(countVisitor, null); // count = 2 SumVisitor sumVisitor = new SumVisitor(3, ft2); fc2.accepts(sumVisitor, null); // sum = 7.5 CalcResult countResult = countVisitor.getResult(); CalcResult sumResult = sumVisitor.getResult(); CalcResult averageResult1 = countResult.merge(sumResult); CalcResult averageResult2 = sumResult.merge(countResult); // both average results were correct? assertEquals((double) 3.75, averageResult1.toDouble(), 0); assertEquals((double) 3.75, averageResult2.toDouble(), 0); // neither sum nor count was destroyed? assertEquals(2, countResult.toInt()); assertEquals((double) 7.5, sumResult.toDouble(), 0); }
/** * Calculate sum (using FeatureCalc) - only one parameter is used. * * @param collection collection to calculate the sum * @param expression Single Expression argument * * @return An object containing the sum value of the attributes * * @throws IllegalFilterException * @throws IOException */ static CalcResult calculateSum(SimpleFeatureCollection collection, Expression expression) throws IllegalFilterException, IOException { SumVisitor sumVisitor = new SumVisitor(expression); collection.accepts(sumVisitor, null); return sumVisitor.getResult(); }
/** * Calculate sum (using FeatureCalc) - only one parameter is used. * * @param collection collection to calculate the sum * @param expression Single Expression argument * * @return An object containing the sum value of the attributes * * @throws IllegalFilterException * @throws IOException */ public static CalcResult calculateSum(FeatureCollection collection, Expression expression) throws IllegalFilterException, IOException { SumVisitor sumVisitor = new SumVisitor(expression); collection.accepts(sumVisitor, null); return sumVisitor.getResult(); }
public void testSum() throws IllegalFilterException, IOException { SumVisitor sumVisitor = new SumVisitor(0, ft); SumVisitor sumVisitor2 = new SumVisitor(3, ft2);
calc = new StandardDeviationVisitor(CommonFactoryFinder.getFilterFactory(null).property(aggAttribute)); } else if (function == AggregationFunction.Sum) { calc = new SumVisitor(attIndex, features.getSchema()); } else { throw new ProcessException("Uknown method " + function);