praktikum-holons/src/holeg/ui/model/IdCounter.java

package holeg.ui.model;

/**
 * Static counter
 * ID-Counter for all Cps Objects.
 * 
 * @author Gruppe14
 */
public class IdCounter {
	private static int counterObjects = 1;
	private static int counterElements = 1;

	public enum CounterType {
		Object, Element
	}
	/**
	 * Return the next ID and increment the ID counter by 1.
	 * @return the next ID
	 */
	public static synchronized int nextId(CounterType type) {
		switch(type){
			case Element:
				return counterObjects++;
			case Object:
			default:
				return counterElements++;
		}
	}

	/**
	 * Return the Counter.
	 * 
	 * @return the counter
	 */
	public static int actualId(CounterType type) {
		switch(type){
			case Element:
				return counterObjects;
			case Object:
			default:
				return counterElements;
		}
	}

	/**
	 * Set the Counter.
	 * 
	 * @param counter
	 *            the counter to set
	 */
	public static void setCounter(int counter, CounterType type) {
		
		switch(type){
		case Element:
			counterElements = counter;
		case Object:
		default:
			counterObjects = counter;
	}
	}

	/**
	 * Reset the Counter.
	 */
	public static void resetObjectCounter(CounterType type) {
		switch(type){
			case Element:
				counterObjects = 1;
			case Object:
			default:
				counterElements = 1;
		}
	}
}