/*
 ***************************************************************************************
 *  Copyright (C) 2006 EsperTech, Inc. All rights reserved.                            *
 *  http://www.espertech.com/esper                                                     *
 *  http://www.espertech.com                                                           *
 *  ---------------------------------------------------------------------------------- *
 *  The software in this package is published under the terms of the GPL license       *
 *  a copy of which has been included with this distribution in the license.txt file.  *
 ***************************************************************************************
 */
package com.espertech.esper.type;

import java.io.StringWriter;
import java.util.HashSet;
import java.util.LinkedList;
import java.util.List;
import java.util.Set;

/**
 * Represents a list of values in a set of numeric parameters.
 */
public class ListParameter implements NumberSetParameter {
    private List<NumberSetParameter> parameters;
    private static final long serialVersionUID = 34502518196561940L;

    /**
     * Ctor.
     */
    public ListParameter() {
        this.parameters = new LinkedList<NumberSetParameter>();
    }

    /**
     * Ctor.
     *
     * @param parameters parameters in list
     */
    public ListParameter(List<NumberSetParameter> parameters) {
        this.parameters = parameters;
    }

    /**
     * Add to the list a further parameter.
     *
     * @param numberSetParameter is the parameter to add
     */
    public void add(NumberSetParameter numberSetParameter) {
        parameters.add(numberSetParameter);
    }

    /**
     * Returns list of parameters.
     *
     * @return list of parameters
     */
    public List<NumberSetParameter> getParameters() {
        return parameters;
    }

    public boolean isWildcard(int min, int max) {
        for (NumberSetParameter param : parameters) {
            if (param.isWildcard(min, max)) {
                return true;
            }
        }
        return false;
    }

    public Set<Integer> getValuesInRange(int min, int max) {
        Set<Integer> result = new HashSet<Integer>();

        for (NumberSetParameter param : parameters) {
            result.addAll(param.getValuesInRange(min, max));
        }

        return result;
    }

    public boolean containsPoint(int point) {
        return containsPoint(parameters, point);
    }

    public String formatted() {
        StringWriter writer = new StringWriter();
        String delimiter = "";
        for (NumberSetParameter param : parameters) {
            writer.append(delimiter);
            writer.append(param.formatted());
            delimiter = ", ";
        }
        return writer.toString();
    }

    public static boolean containsPoint(List<NumberSetParameter> parameters, int point) {
        for (NumberSetParameter param : parameters) {
            if (param.containsPoint(point)) {
                return true;
            }
        }
        return false;
    }
}