counter.java

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package ir.utilities;

/** A simple wrapper data structure for storing an integer count
 * as an Object that can be put into lists, maps, etc. and then
 * incremented and decremented.
 *
 * @author Ray Mooney
 */

public class Counter {
    /** The integer count */
    protected int count = 0;
    
    /** Increment and return the new count */
    public int increment() {
	return ++count;
    }

    /** Increment by n and return the new count */
    public int increment(int n) {
	count = count + n;
	return count;
    }

    /** Decrement and return the new count */
    public int decrement() {
	return --count;
    }

    /** Decrement by n and return the new count */
    public int decrement(int n) {
	count = count - n;
	return count;
    }

    /** Get the current count */
    public int getValue() {
	return count;
    }

    /** Set the current count */
    public int setValue(int value) {
	count = value;
	return count;
    }
}