/*
 * Created on Apr 27, 2005
 */
package stockportfolio;

import java.util.Date;

/** A concrete stock block.
 * 
 * CHANGE THIS CLASS TO OVERRIDE THE compareTo method.
 * See JavaDoc for the Object class for information about compareTo.
 * See the Portfolio definition (method getBlocksOwned) to see what
 * the ordering between two blocks should be.
 * 
 * Note: you are not required to use the AbsStockBlock provided;
 * it is intended as a time-saver.
 */
public class StockBlock extends AbsStockBlock implements Comparable {

    /** Create a new stock block
     * @param stock
     * @param date
     * @param amount
     * @param pricePerShare
     */
    public StockBlock(String stock, Date date, double amount,
            double pricePerShare) {
        super(stock, date, amount, pricePerShare);
    }
    
    /** Test if two stock blocks have all the same field values.
     * @return true iff all fields of both blocks are the same.
     * 
     * THIS CODE SHOULD BE OK AS IS.
     */
    public boolean equals(Object other) {
        try {
            StockBlock block = (StockBlock) other;
            if (block.getStock().equals(this.getStock())
                    && block.getTransactionDate().equals(this.getTransactionDate())
                    && block.getShares() == this.getShares()
                    && block.getPricePerShare() == this.getPricePerShare()) {
                return true;
            }
            } catch (ClassCastException e) {
                
            }
            return false;
        
    }
    
    /** Determine the relative order of two stock blocks.
     * The order sequence is : name, date, number of shares, price per share.
     * All ordering is ascending.
     * @param other any object
     * @return -1, 0, +1, as in the compareTo base method, depending on
     * whether the receiver is less than, equal to, or greater than the
     * object passed in.
     * @throws NullPointerException if the argument is null
     * @throws ClassCastException is the argument is not a StockBlock
     */
    public int compareTo(Object other) {
    
        /*  FIX ME!   */
        
        return 0;
    }

}