X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=src%2Forg%2Fmxchange%2Fjshopcore%2Fmodel%2Fbasket%2FBaseBasket.java;h=3e7f2781b8c9f93383fcbd35812cc76b47d094bf;hb=e7033016cdc804552134aa7b50519f3070649ffc;hp=54ac27660a0e4b13d05c82669272742b92709a34;hpb=8c769586f2e78ce355d68e0d21bf123ed362457c;p=jshop-core.git

diff --git a/src/org/mxchange/jshopcore/model/basket/BaseBasket.java b/src/org/mxchange/jshopcore/model/basket/BaseBasket.java
index 54ac276..3e7f278 100644
--- a/src/org/mxchange/jshopcore/model/basket/BaseBasket.java
+++ b/src/org/mxchange/jshopcore/model/basket/BaseBasket.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2015 Roland Haeder
+ * Copyright (C) 2016 Roland Häder
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -16,75 +16,84 @@
  */
 package org.mxchange.jshopcore.model.basket;
 
-import java.util.Map;
+import java.util.Deque;
+import java.util.LinkedList;
+import java.util.List;
+import org.mxchange.jshopcore.exceptions.BasketItemAlreadyAddedException;
 
 /**
  * A general basket class. This class does not store any properties, it only
  * contains logic for handling the items (T).
- *
- * @author Roland Haeder
+ * <p>
+ * @author Roland Häder<roland@mxchange.org>
  * @param <T> Any instance that implements AddableBasketItem
  */
 public abstract class BaseBasket<T extends AddableBasketItem> implements Basket<T> {
+
 	/**
 	 * Serial number
 	 */
 	private static final long serialVersionUID = 782_396_762_230_845_717L;
 
+	/**
+	 * Ordered item list
+	 */
+	private final Deque<T> deque;
+
 	/**
 	 * Protected constructor with session instance
 	 */
 	protected BaseBasket () {
+		// Init queue
+		this.deque = new LinkedList<>();
 	}
 
 	@Override
-	public void init () {
-	}
-
-	@Override
-	public void addItem (final T item) {
+	public void addItem (final T item) throws BasketItemAlreadyAddedException {
 		// item must not be null
 		if (null == item) {
 			// Then abort here
 			throw new NullPointerException("item is null"); //NOI18N
 		} else if (this.isAdded(item)) {
 			// Already been added
-			throw new IllegalArgumentException("item has already been added. Did you miss to call isAdded()?"); //NOI18N
+			throw new BasketItemAlreadyAddedException(item); //NOI18N
 		}
 
-		// Add item to database
-		// TODO: ((BasketFrontend) this.getFrontend()).addItem(item, this.getSessionId());
+		// Add it here
+		this.deque.add(item);
 	}
 
 	@Override
-	public boolean isEmpty () {
-		// Deligate call to frontend
-		// TODO: return ((BasketFrontend) this.getFrontend()).isEmpty();
-		throw new UnsupportedOperationException("Not yet implmeneted.");
+	public void clear () {
+		// Deligate to deque
+		this.deque.clear();
 	}
 
 	@Override
-	public Map<Long, T> getAll () {
+	public List<T> getAll () {
 		// Init map
-		// TODO: Map<Long, T> map = ((BasketFrontend) this.getFrontend()).getAll();
-		Map<Long, T> map = null;
+		List<T> list = new LinkedList<>();
+
+		// Iterate over full item list
+		for (final T item : this.deque) {
+			// item should not be null
+			if (null == item) {
+				// Abort here
+				throw new NullPointerException("item is null"); //NOI18N
+			}
+
+			// Add to map, use the item's id as key
+			list.add(item);
+		}
 
 		// Return it
-		return map;
+		return list;
 	}
 
 	@Override
 	public T getLast () {
-		// Deligate to frontend
-		// TODO: return ((BasketFrontend) this.getFrontend()).getLast();
-		throw new UnsupportedOperationException("Not yet implmeneted.");
-	}
-
-	@Override
-	public int getLastNumRows () {
-		// Deligate to frontend
-		// TODO: return this.getFrontend().getLastNumRows();
-		throw new UnsupportedOperationException("Not yet implmeneted.");
+		// Deligate to list
+		return this.deque.getLast();
 	}
 
 	@Override
@@ -95,11 +104,38 @@ public abstract class BaseBasket<T extends AddableBasketItem> implements Basket<
 			throw new NullPointerException("item is null"); //NOI18N
 		}
 
-		// Call map's method
-		// TODO: boolean isAdded = ((BasketFrontend) this.getFrontend()).isAdded(item, this.getSessionId());
-		boolean isAdded = true;
+		// Get all items
+		List<T> list = this.getAll();
 
+		// Default is not found
+		boolean isAdded = false;
+
+		// Loop through list
+		for (final T i : list) {
+			// Compare id
+			if (i.equals(item)) {
+				// Okay, found it
+				isAdded = true;
+				break;
+			}
+		}
 		// Return it
 		return isAdded;
 	}
+
+	@Override
+	public boolean isEmpty () {
+		// Deligate call to frontend
+		return this.deque.isEmpty();
+	}
+
+	@Override
+	public int size () {
+		// Is the list empty?
+		assert this.isEmpty() : "deque is empty"; //NOI18N
+
+		// It is size-1
+		return this.deque.size();
+	}
+
 }