/**
 * Class for page reference.
 */

public class PageReference {

    public final int pageNumber;
    public final boolean write;   // TODO:  consider making an enum?  maybe not.

    /**
     * Constructor.
     * 
     * @param pageNumber
     * @param write true if reference is a write (not read)
     */
    public PageReference(int pageNumber, boolean write) {
        this.pageNumber = pageNumber;
        this.write = write;
    }
}