@Test
@JSTranslation(ignore = true)
public void testJavaDates() {
long feb_1_1970 = 60907593600000L;
Field f =
Data.makeColumnField(
"test",
"dates",
new Object[] {
new Date(feb_1_1970),
new Date(feb_1_1970 + 1000 * 60 * 60 * 24),
new Date(feb_1_1970 + 2 * 1000 * 60 * 60 * 24),
new Date(feb_1_1970 + 3 * 1000 * 60 * 60 * 24),
new Date(feb_1_1970 + 4 * 1000 * 60 * 60 * 24),
new Date(feb_1_1970 + 5 * 1000 * 60 * 60 * 24),
new Date(feb_1_1970 + 6 * 1000 * 60 * 60 * 24),
new Date(feb_1_1970 + 7 * 1000 * 60 * 60 * 24),
new Date(feb_1_1970 + 8 * 1000 * 60 * 60 * 24),
new Date(feb_1_1970 + 9 * 1000 * 60 * 60 * 24),
new Date(feb_1_1970 + 10 * 1000 * 60 * 60 * 24),
new Date(feb_1_1970 + 20 * 1000 * 60 * 60 * 24)
});
f.set("numeric", true);
f.set("date", true);
assertTrue(f.isDate());
assertEquals("Feb 1 00:00", f.valueFormatted(0));
assertEquals("Feb 2 00:00", f.valueFormatted(1));
assertEquals("Feb 3 00:00", f.valueFormatted(2));
assertEquals("Feb 11 00:00", f.valueFormatted(10));
assertEquals("Feb 21 00:00", f.valueFormatted(11));
}
@Test
public void testProperties() {
Field f = Data.makeColumnField("a", "label", new Object[0]);
assertEquals(null, f.property("xyz"));
f.set("xyz", "12");
assertEquals("12", f.stringProperty("xyz"));
assertEquals(12.00001, f.numericProperty("xyz"), 0.001);
f.set("abc", false);
assertEquals(Boolean.FALSE, f.property("abc"));
f.set("abc", true);
assertEquals(Boolean.TRUE, f.property("abc"));
}
private void setProperties(String f, Field to, Field src) {
// Nothing to set for a list
if (f.equals("list")) {
// Need to keep the date format
to.copyProperties(src, "dateFormat");
to.set("list", true);
} else if (f.equals("count") || f.equals("percent") || f.equals("valid") || f.equals("unique"))
// These are numeric, but do not preserve properties
to.setNumeric();
else
// All properties copy over
Fields.copyBaseProperties(src, to);
}
@Test
public void testPadding() {
Field a =
Data.toNumeric(Data.makeColumnField("a", "label", new Object[] {100, 200, 120, 200, 3100}));
a.set("transform", "linear");
Assert.assertEquals(
"linear : 70 3130 : |500|1000|1500|2000|2500|3000",
asString(
NumericScale.makeLinearScale(a, false, 0.0, new double[] {0.01, 0.01}, 5, false), a));
// Does not pad past zero
Assert.assertEquals(
"linear : -200 3400 : |0|1000|2000|3000",
asString(
NumericScale.makeLinearScale(a, false, 0.0, new double[] {0.1, 0.1}, 5, false), a));
}
@Test
public void testLinearScale() {
double[] pad = {0, 0};
Field a = Data.makeColumnField("a", "label", new Object[] {2, 4, 7, 120, 45, 120, 200, 3345});
a = Data.toNumeric(a);
a.set("transform", "linear");
Assert.assertEquals(
"linear : 2 3345 : |500|1000|1500|2000|2500|3000",
asString(NumericScale.makeLinearScale(a, false, 0.0, pad, 5, false), a));
Assert.assertEquals(
"linear : 2 3345 : |200|400|600|800|1000|1200|1400|1600|1800|2000|2200|2400|2600|2800|3000|3200",
asString(NumericScale.makeLinearScale(a, false, 0.0, pad, 15, false), a));
Assert.assertEquals(
"linear : 2 3345 : |1000|2000|3000",
asString(NumericScale.makeLinearScale(a, false, 0.0, pad, 2, false), a));
Assert.assertEquals(
"linear : 2 3345 : |2000",
asString(NumericScale.makeLinearScale(a, false, 0.0, pad, 1, false), a));
Assert.assertEquals(
"linear : 0 3345 : |0|500|1000|1500|2000|2500|3000",
asString(NumericScale.makeLinearScale(a, false, 0.01, pad, 7, false), a));
Assert.assertEquals(
"linear : 0 3500 : |0|500|1000|1500|2000|2500|3000|3500",
asString(NumericScale.makeLinearScale(a, true, 0.0, pad, 7, false), a));
a = Data.makeColumnField("a", "label", new Object[] {-22.2, -22.201, -22.9, -22.7});
a = Data.toNumeric(a);
Assert.assertEquals(
"linear : -23 -22 : |-23|-22.8|-22.6|-22.4|-22.2|-22",
asString(Auto.makeNumericScale(a, true, pad, 0.0, 5, false), a));
Assert.assertEquals(
"linear : -22.9 -22.2 : |-22.8|-22.6|-22.4|-22.2",
asString(NumericScale.makeLinearScale(a, false, 0.0, pad, 4, false), a));
Assert.assertEquals(
"linear : -23 -22 : |-23|-22.5|-22",
asString(Auto.makeNumericScale(a, true, pad, 0.0, 4, false), a));
Assert.assertEquals(
"linear : -23 -22 : |-23|-22.5|-22",
asString(Auto.makeNumericScale(a, true, pad, 0.95, 4, false), a));
Assert.assertEquals(
"linear : -30 0 : |-30|-20|-10|0",
asString(NumericScale.makeLinearScale(a, true, 0.99, pad, 4, false), a));
}
private Field[] make() {
// Assemble arrays of fields
Field[] dimensionFields = getFields(dimensions);
Field[] percentBaseFields = percentBase.toArray(new Field[percentBase.size()]);
Field[] measureFields = getFields(measures);
// The comparators to let us know when rows differ
FieldRowComparison dimComparison = new FieldRowComparison(dimensionFields, null, false);
FieldRowComparison percentBaseComparison =
new FieldRowComparison(percentBaseFields, null, false);
// group[row] gives the index of the summary group for row 'row'; 'groupCount' is the number of
// groups
int[] group = new int[rowCount];
int groupCount = buildGroups(group, dimComparison);
// These are just like the summary groups, but only for the percent bases
// The percent groups nest within each base group: rows with the same group have the same
// summary group also
// we do not create these if they are not needed, for efficiency
int[] percentGroup = percentNeeded ? new int[rowCount] : null;
int percentGroupCount = percentNeeded ? buildGroups(percentGroup, percentBaseComparison) : 0;
// Create the summary values for each group, and percentage sums
SummaryValues[] summaries = new SummaryValues[groupCount];
for (int i = 0; i < summaries.length; i++)
summaries[i] = new SummaryValues(measureFields, percentBaseFields, dimensionFields);
double[][] percentSums = new double[percentGroupCount][measureFields.length];
// Perform the Aggregation
for (int row = 0; row < rowCount; row++) {
SummaryValues value = summaries[group[row]];
if (percentNeeded) {
// If the group has not had percent sums set yet, then set it
if (value.percentSums == null) value.percentSums = percentSums[percentGroup[row]];
// Then add the values to the percentage count
for (int i = 0; i < measureFields.length; i++) {
if (measures.get(i).isPercent()) {
Double v = Data.asNumeric(measureFields[i].value(row));
if (v != null) value.percentSums[i] += v;
}
}
}
// Add the current row to that group, with the relevant 'sums' for percentages
value.rows.add(row);
}
Object[][] dimData = new Object[dimensions.size()][groupCount];
Object[][] measureData = new Object[measures.size()][groupCount];
for (int g = 0; g < groupCount; g++) {
SummaryValues values = summaries[g];
int originalRow = values.firstRow();
// Set the dimension values
for (int i = 0; i < dimensions.size(); i++)
dimData[i][g] = dimensionFields[i].value(originalRow);
// Set the measure values
for (int i = 0; i < measures.size(); i++) {
MeasureField m = measures.get(i);
measureData[i][g] = values.get(i, m);
}
}
// Assemble fields
Field[] fields = new Field[dimData.length + measureData.length];
for (int i = 0; i < dimData.length; i++) {
DimensionField f = dimensions.get(i);
fields[i] = Fields.makeColumnField(f.rename, f.label(), dimData[i]);
Fields.copyBaseProperties(f.field, fields[i]);
}
for (int i = 0; i < measureData.length; i++) {
MeasureField m = measures.get(i);
Field result = Fields.makeColumnField(m.rename, m.label(), measureData[i]);
setProperties(m.method, result, m.field);
result.set("summary", m.method);
result.set("calculated", true);
if (m.field != null) result.set("originalLabel", m.field.label);
fields[dimData.length + i] = result;
}
return fields;
}