public void calculate(CoinList list) {
if (day <= 0 || skipDay < 0) {
Object oldValue = this.value;
this.value = null;
if (equals(oldValue, value) == false) {
this.firePropertyChange("value", oldValue, this.value);
}
return;
}
List<Coin> stocks = new ArrayList<Coin>();
List<Double> values = new ArrayList<Double>();
List<Double> highs = new ArrayList<Double>();
List<Double> lows = new ArrayList<Double>();
List<Double> closes = new ArrayList<Double>();
List<Long> volumes = new ArrayList<Long>();
final int size = list.size();
final int start = Math.max(0, size - getRequiredHistorySize());
for (int i = Math.max(0, start - skipDay), ei = Math.max(0, size - skipDay); i < ei; i++) {
final long timestamp = list.getTimestamp(i);
final Coin stock = list.getCoinTime(timestamp);
stocks.add(stock);
}
if (this.function == Function.MFI) {
for (Coin stock : stocks) {
values.add(AnalysisData.getTypicalPrice(stock));
highs.add(stock.getHighPrice());
lows.add(stock.getLowPrice());
closes.add(stock.getLastPrice());
volumes.add(stock.getVolume());
}
} else {
switch (type) {
case PrevPrice:
for (Coin stock : stocks) {
values.add(stock.getPrevPrice());
}
break;
case OpenPrice:
for (Coin stock : stocks) {
values.add(stock.getOpenPrice());
}
break;
case HighPrice:
for (Coin stock : stocks) {
values.add(stock.getHighPrice());
}
break;
case LowPrice:
for (Coin stock : stocks) {
values.add(stock.getLowPrice());
}
break;
case LastPrice:
for (Coin stock : stocks) {
values.add(stock.getLastPrice());
}
break;
case TypicalPrice:
for (Coin stock : stocks) {
values.add(AnalysisData.getTypicalPrice(stock));
}
break;
case Volume:
for (Coin stock : stocks) {
values.add(new Double(stock.getVolume()));
}
break;
case Issued:
values.add(new Double(list.getIssuedCount()));
break;
default:
assert (false);
}
}
final int dataSize = values.size();
if (dataSize == 0) {
Object oldValue = this.value;
this.value = null;
if (equals(oldValue, value) == false) {
this.firePropertyChange("value", oldValue, this.value);
}
return;
}
Double v = function == Function.Min ? Double.MAX_VALUE : 0.0;
double tmp_v = v;
switch (function) {
case Max:
for (Double _value : values) {
tmp_v = Math.max(tmp_v, _value);
}
v = tmp_v;
break;
case Min:
for (Double _value : values) {
tmp_v = Math.min(tmp_v, _value);
}
v = tmp_v;
break;
case Average:
v = average(values);
break;
case MeanDeviation:
double average = 0;
for (Double _value : values) {
average = average + _value;
}
average = average / (double) dataSize;
for (Double _value : values) {
tmp_v = tmp_v + Math.abs(_value - average);
}
tmp_v = tmp_v / (double) dataSize;
v = tmp_v;
break;
case RSI:
v = AnalysisData.createRSI(values, day);
break;
case EMA:
v = AnalysisData.createEMA(values, day);
break;
case MFI:
v = AnalysisData.createMFI(highs, lows, closes, volumes, day);
break;
case MACD:
v = AnalysisData.createMACDFix(values, day).outMACD;
break;
case MACDSignal:
v = AnalysisData.createMACDFix(values, day).outMACDSignal;
break;
case MACDHist:
v = AnalysisData.createMACDFix(values, day).outMACDHist;
break;
default:
assert (false);
}
Object oldValue = this.value;
this.value = v;
if (equals(oldValue, value) == false) {
this.firePropertyChange("value", oldValue, this.value);
}
}
public static double getTypicalPrice(Coin coin) {
return (coin.getHighPrice() + coin.getLowPrice() + coin.getLastPrice()) / 3.0d;
}
