X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=src%2Forg%2Fmxchange%2Fjshopcore%2Fmodel%2Fbasket%2FBaseBasket.java;h=4d8e7c4480073f3463e808a0f1dd9ab2c9e8b053;hb=372d8438a9727498b709e318404fc1e6d1faa343;hp=b019f8300a7086ce1de34a24c7a016b527b4c598;hpb=6b9f17d0a9ac8377e24651fb9f48e2d3ce7de94e;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 b019f83..4d8e7c4 100644
--- a/src/org/mxchange/jshopcore/model/basket/BaseBasket.java
+++ b/src/org/mxchange/jshopcore/model/basket/BaseBasket.java
@@ -16,129 +16,125 @@
  */
 package org.mxchange.jshopcore.model.basket;
 
-import java.io.IOException;
-import java.io.Serializable;
-import java.lang.reflect.InvocationTargetException;
-import java.sql.SQLException;
-import java.text.MessageFormat;
-import java.util.Map;
-import org.mxchange.jcore.BaseFrameworkSystem;
-import org.mxchange.jshopcore.model.item.AddableBasketItem;
+import java.util.Deque;
+import java.util.LinkedList;
+import java.util.List;
+import org.mxchange.jshopcore.exceptions.BasketItemAlreadyAddedException;
 
 /**
- * A general basket class
+ * A general basket class. This class does not store any properties, it only
+ * contains logic for handling the items (T).
  *
- * @author Roland Haeder
+ * @author Roland Haeder<roland@mxchange.org>
  * @param <T> Any instance that implements AddableBasketItem
  */
-public abstract class BaseBasket<T extends AddableBasketItem> extends BaseFrameworkSystem implements Basket<T>, Serializable {
+public abstract class BaseBasket<T extends AddableBasketItem> implements Basket<T> {
+
 	/**
 	 * Serial number
 	 */
-	private static final long serialVersionUID = 784_396_762_230_845_717L;
+	private static final long serialVersionUID = 782_396_762_230_845_717L;
 
 	/**
-	 * Protected constructor with session instance
-	 *
-	 * @throws java.sql.SQLException If an SQL error occurs
+	 * Ordered item list
 	 */
-	protected BaseBasket () throws SQLException {
-		// Trace message
-		this.getLogger().trace("CALLED!"); //NOI18N
-	}
+	private final Deque<T> deque;
 
-	@Override
-	public void init () throws SQLException {
-		// Trace message
-		this.getLogger().trace("CALLED!"); //NOI18N
-
-		// Is the bundle initialized?
-		if (!BaseFrameworkSystem.isBundledInitialized()) {
-			// Temporary initialize default bundle
-			// TODO The enum Gender uses this
-			this.initBundle();
-		}
+	/**
+	 * Protected constructor with session instance
+	 */
+	protected BaseBasket () {
+		// Init queue
+		this.deque = new LinkedList<>();
 	}
 
 	@Override
-	@SuppressWarnings ("unchecked")
-	public void addItem (final T item) throws IOException, SQLException, NoSuchMethodException, IllegalAccessException, InvocationTargetException {
-		// Trace call
-		this.getLogger().trace(MessageFormat.format("item={0} - CALLED!", item)); //NOI18N
-
+	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());
-
-		// Trace call
-		this.getLogger().trace("EXIT!"); //NOI18N
+		// Add it here
+		this.deque.add(item);
 	}
 
 	@Override
-	public boolean isEmpty () throws IOException, SQLException, NoSuchMethodException, IllegalAccessException, InvocationTargetException {
-		// 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
-	@SuppressWarnings("unchecked")
-	public Map<Long, T> getAll () throws IOException, SQLException, NoSuchMethodException, IllegalAccessException, InvocationTargetException {
-		// Trace message
-		this.getLogger().trace("CALLED!"); //NOI18N
-
+	public List<T> getAll () {
 		// Init map
-		// TODO: Map<Long, T> map = ((BasketFrontend) this.getFrontend()).getAll();
-		Map<Long, T> map = null;
-
-		// Trace message
-		this.getLogger().trace("map=" + map); //NOI18N
+		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 AddableBasketItem getLast () throws IOException, SQLException, NoSuchMethodException, IllegalAccessException, InvocationTargetException {
-		// Deligate to frontend
-		// TODO: return ((BasketFrontend) this.getFrontend()).getLast();
-		throw new UnsupportedOperationException("Not yet implmeneted.");
+	public T getLast () {
+		// Deligate to list
+		return this.deque.getLast();
 	}
 
 	@Override
 	public int getLastNumRows () {
-		// Deligate to frontend
-		// TODO: return this.getFrontend().getLastNumRows();
-		throw new UnsupportedOperationException("Not yet implmeneted.");
+		// Is the list empty?
+		assert this.isEmpty() : "deque is empty"; //NOI18N
+
+		// It is size-1
+		return (this.deque.size() - 1);
 	}
 
 	@Override
-	public boolean isAdded (final T item) throws IOException, SQLException, NoSuchMethodException, IllegalAccessException, InvocationTargetException {
-		// Trace call
-		this.getLogger().trace(MessageFormat.format("item={0} - CALLED!", item)); //NOI18N
-
+	public boolean isAdded (final T item) {
 		// item must not be null
 		if (null == item) {
 			// Then abort here
 			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();
 
-		// Trace message
-		this.getLogger().trace(MessageFormat.format("isAdded={0} - EXIT!", isAdded)); //NOI18N
+		// 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();
+	}
 }