package jforex;
import com.dukascopy.api.IConsole;
import com.dukascopy.api.indicators.*;
import com.dukascopy.api.indicators.IIndicator;
import com.dukascopy.api.indicators.IIndicatorContext;
import com.dukascopy.api.indicators.IStopListener;
import com.dukascopy.api.indicators.IndicatorInfo;
import com.dukascopy.api.indicators.IndicatorResult;
import com.dukascopy.api.indicators.InputParameterInfo;
import com.dukascopy.api.indicators.IntegerRangeDescription;
import com.dukascopy.api.indicators.OptInputParameterInfo;
import com.dukascopy.api.indicators.OutputParameterInfo;
public class IndicatorOnStop implements IIndicator, IStopListener {
private IndicatorInfo indicatorInfo;
private InputParameterInfo[] inputParameterInfos;
private OptInputParameterInfo[] optInputParameterInfos;
private OutputParameterInfo[] outputParameterInfos;
private double[][] inputs = new double[1][];
private int timePeriod = 2;
private double[][] outputs = new double[1][];
private IConsole console;
public void onStart(IIndicatorContext context) {
indicatorInfo = new IndicatorInfo("EXAMPIND", "Sums previous values", "My indicators",
false, false, false, 1, 1, 1);
inputParameterInfos = new InputParameterInfo[] {new InputParameterInfo("Input data", InputParameterInfo.Type.DOUBLE)};
optInputParameterInfos = new OptInputParameterInfo[] {new OptInputParameterInfo("Time period", OptInputParameterInfo.Type.OTHER,
new IntegerRangeDescription(2, 2, 100, 1))};
outputParameterInfos = new OutputParameterInfo[] {new OutputParameterInfo("out", OutputParameterInfo.Type.DOUBLE,
OutputParameterInfo.DrawingStyle.LINE)};
console = context.getConsole();
context.getIndicatorsProvider().addIndicatorStopListener(this, this);
}
public IndicatorResult calculate(int startIndex, int endIndex) {
if (startIndex - getLookback() < 0) {
startIndex -= startIndex - getLookback();
}
int i, j;
for (i = startIndex, j = 0; i <= endIndex; i++, j++) {
double value = 0;
for (int k = timePeriod; k > 0; k--) {
value += inputs[0][i - k];
}
outputs[0][j] = value;
}
return new IndicatorResult(startIndex, j);
}
public IndicatorInfo getIndicatorInfo() {
return indicatorInfo;
}
public InputParameterInfo getInputParameterInfo(int index) {
if (index <= inputParameterInfos.length) {
return inputParameterInfos[index];
}
return null;
}
public int getLookback() {
return timePeriod;
}
public int getLookforward() {
return 0;
}
public OptInputParameterInfo getOptInputParameterInfo(int index) {
if (index < optInputParameterInfos.length) {
return optInputParameterInfos[index];
}
return null;
}
public OutputParameterInfo getOutputParameterInfo(int index) {
if (index < outputParameterInfos.length) {
return outputParameterInfos[index];
}
return null;
}
public void setInputParameter(int index, Object array) {
inputs[index] = (double[]) array;
}
public void setOptInputParameter(int index, Object value) {
timePeriod = (Integer) value;
}
public void setOutputParameter(int index, Object array) {
outputs[index] = (double[]) array;
}
public void onStop() {
console.getOut().println("onStop");
}
}