package matt.engine.rts;

public class Property
{
    public Property(String name) {
        this.name = name;
    }

    public Property(String name, Object value) {
        this(name);
        type = type_obj;
        valueObj = value;
    }

    public Property(String name, int value) {
        this(name);
        type = type_int;
        valueInt = value;
    }

    public Property(String name, float value) {
        this(name);
        type = type_float;
        valueFloat = value;
    }

    public Property(String name, boolean value) {
        this(name);
        type = type_bool;
        valueBool = value;
    }

    public String getName() {
        return name;
    }

    public void set(Object value) {
        checkType(type_obj);
        this.valueObj = value;
    }

    public void set(int value) {
        checkType(type_int);
        this.valueInt = value;
    }

    public void set(float value) {
        checkType(type_float);
        this.valueFloat = value;
    }

    public void set(boolean value) {
        checkType(type_bool);
        this.valueBool = value;
    }

    public Object getObj() {
        checkType(type_obj);
        return valueObj;
    }

    public int getInt() {
        checkType(type_int);
        return valueInt;
    }

    public float getFloat() {
        checkType(type_float);
        return valueFloat;
    }

    public boolean getBool() {
        checkType(type_bool);
        return valueBool;
    }

    private final void checkType(int type) {
        if (this.type != type)
            throw new IllegalStateException();
    }

    private final String name;

    private Object  valueObj;
    private int     valueInt;
    private float   valueFloat;
    private boolean valueBool;

    private int     type;

    private static final int type_obj = 0,
                             type_int = 1,
                             type_float = 2,
                             type_bool = 3;

}