/**
* Create a new Candle node to represent a single data item
*
* @param seriesIndex The index of the series the data item is in
* @param item The data item to create node for
* @param itemIndex The index of the data item in the series
* @return New candle node to represent the give data item
*/
private Node createCandle(int seriesIndex, final Data item, int itemIndex) {
Node candle = item.getNode();
// check if candle has already been created
if (candle instanceof Candle) {
((Candle) candle).setSeriesAndDataStyleClasses("series" + seriesIndex, "data" + itemIndex);
} else {
candle = new Candle("series" + seriesIndex, "data" + itemIndex);
item.setNode(candle);
}
return candle;
}
/** Called to update and layout the content for the plot */
@Override
protected void layoutPlotChildren() {
// we have nothing to layout if no data is present
if (getData() == null) {
return;
}
// update candle positions
for (int seriesIndex = 0; seriesIndex < getData().size(); seriesIndex++) {
Series<String, Number> series = getData().get(seriesIndex);
Iterator<Data<String, Number>> iter = getDisplayedDataIterator(series);
Path seriesPath = null;
if (series.getNode() instanceof Path) {
seriesPath = (Path) series.getNode();
seriesPath.getElements().clear();
}
while (iter.hasNext()) {
Data<String, Number> item = iter.next();
double x = getXAxis().getDisplayPosition(getCurrentDisplayedXValue(item));
double y = getYAxis().getDisplayPosition(getCurrentDisplayedYValue(item));
Node itemNode = item.getNode();
BarData bar = (BarData) item.getExtraValue();
if (itemNode instanceof Candle && item.getYValue() != null) {
Candle candle = (Candle) itemNode;
double close = getYAxis().getDisplayPosition(bar.getClose());
double high = getYAxis().getDisplayPosition(bar.getHigh());
double low = getYAxis().getDisplayPosition(bar.getLow());
double candleWidth = 10;
// update candle
candle.update(close - y, high - y, low - y, candleWidth);
// update tooltip content
candle.updateTooltip(bar.getOpen(), bar.getClose(), bar.getHigh(), bar.getLow());
// position the candle
candle.setLayoutX(x);
candle.setLayoutY(y);
}
}
}
}
@Test
public void testEquals() {
Candle c1 = new Candle();
Candle c2 = new Candle();
long time = System.currentTimeMillis();
Date date1 = new Date(time);
Date date2 = new Date(time);
c1.setDate(date1).setClose(10.0).setOpen(5.0).setHigh(15.0).setLow(2.0).setVolume(30);
c2.setDate(date2).setClose(10.0).setOpen(5.0).setHigh(15.0).setLow(2.0).setVolume(30);
assertTrue(c1.equals(c2));
c1.setDate(new Date(time + 1));
assertFalse(c1.equals(c2));
}
@Test
public void testProcessTick() {
candle.setDate(Utils.parseDate("01.09.2015 12:15:00.000"));
candle.processTick(tick1);
Arrays.asList(
PriceType.OPEN,
PriceType.LOW,
PriceType.HIGH,
PriceType.CLOSE,
PriceType.WEIGHTED_CLOSE)
.forEach(pt -> assertTrue(candle.getPriceValueByType(pt) == tick1.getPrice()));
candle.processTick(tick2);
assertEquals(candle.getPriceValueByType(PriceType.OPEN), tick1.getPrice());
assertEquals(
candle.getPriceValueByType(PriceType.HIGH), Math.max(tick1.getPrice(), tick2.getPrice()));
assertEquals(
candle.getPriceValueByType(PriceType.LOW), Math.min(tick1.getPrice(), tick2.getPrice()));
assertEquals(candle.getPriceValueByType(PriceType.CLOSE), tick2.getPrice());
candle.processTick(tick3);
assertEquals(candle.getPriceValueByType(PriceType.WEIGHTED_CLOSE), 10.375, 0.001); //
assertEquals(
candle.getPriceValueByType(PriceType.VOLUME_WEIGHTED), 9.235294117647058, 0.001); //
}
@Override
public double calculaPara(int posicao, SerieTemporal serie) {
Candle candle = serie.get(posicao);
return candle.getAbertura();
}
public void setArchitecture(String cpu) {
Wix.Arch arch = (cpu == null || cpu.isEmpty()) ? Wix.Arch.x86 : Wix.Arch.valueOf(cpu);
((Candle) candle).setArch(arch);
}
