package step.core;
import java.util.*;

public class StepAggregationValue extends StepValue {

    private ArrayList<StepValue> values;

    public StepAggregationValue () {
	values = new ArrayList<StepValue>();
    }
    public StepAggregationValue (ArrayList<StepValue> vals) {
	values = vals;
    }

    public ArrayList<StepValue> getValues() {
	return values;
    }

    public int size() {
	return values.size();
    }
    public StepValue get(int i) {
	return values.get(i);
    }
    public void setValues(ArrayList<StepValue> values) {
	this.values = values;
    }
    public void addAll(ArrayList<StepValue> val) {
	this.values.addAll(val);
    }
    public void add(StepValue v) {
	this.values.add(v);
    }

    public String toString() {
	return toString("");
    }

    public String toString(String tab) {
	StringBuffer buffer = new StringBuffer();
	buffer.append(tab);
	buffer.append("(");
	for (int i = 0; i < values.size(); i++) {
	    buffer.append(values.get(i).toString());
	    if (i < values.size() - 1) {
		buffer.append(",");
	    }
	}
	buffer.append(")");
	return buffer.toString();
    }
    public void accept(StepAbstractRepositoryVisitor visitor) throws Exception {
        visitor.accept((StepAggregationValue)this);	
    }
}