de.invation.code.toval.graphic.diagrams.models.ScatterChartModel Maven / Gradle / Ivy

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package de.invation.code.toval.graphic.diagrams.models;

import java.util.HashMap;
import java.util.List;

import de.invation.code.toval.types.StatList;


public class ScatterChartModel,T extends Number & Comparable> implements ChartModel {
	
	/**
	 * Keeps the values for the two coordinate axes.

	 * The values are kept in form of StatLists and are indexable by their corresponding coordinate axes.
	 * @see StatList
	 */
	protected HashMap> values = new HashMap>(2);
	
	public ScatterChartModel() {}

	public ScatterChartModel(List xValues, List yValues, boolean equalSizes) {
		setValues(xValues, yValues, equalSizes);
	}
	
	protected void setValues(List xValues, List yValues, boolean equalSizes){
		if(xValues == null || yValues == null)
			throw new NullPointerException();
		if(equalSizes)
			if(xValues.size() != yValues.size())
				throw new IllegalArgumentException("Collection sizes do not match!");
		values.put(ValueDimension.X, new StatList(xValues, false));
		values.put(ValueDimension.Y, new StatList(yValues, false));
	}
	
	/**
	 * Returns the number of values maintained for the given dimension.

	 * @return The number of values maintained for the given dimension
	 */
	@Override
	public int getValueCount(ValueDimension dim) {
		return values.get(dim).size();
	}

	/**
	 * Returns the maintained values for the given dimension.
	 * @param dim Reference dimension
	 * @return Maintained values for the given dimension
	 */
	@Override
	public StatList getValues(ValueDimension dim) {
		return values.get(dim);
	}
	
	
	public void setXValues(List xValues){
		if(xValues == null)
			throw new NullPointerException();
		values.put(ValueDimension.X, new StatList(xValues, false));
	}
	
	public void setYValues(List yValues){
		if(yValues == null)
			throw new NullPointerException();
		values.put(ValueDimension.Y, new StatList(yValues, false));
	}
	
	/**
	 * Returns the value with the given index of the given dimension.
	 * @param dim Reference dimension for value extraction
	 * @param index Index of the desired value
	 * @return Value with the given index of the given dimension
	 */
	@Override
	public Number getValue(ValueDimension dim, int index) {
		return values.get(dim).get(index);
	}

}