content/builds/3.0.0/apidocs/openbook/domain/ShoppingCart.html - openjpa-site - Git at Google

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 <h2 title="Class ShoppingCart" class="title">Class ShoppingCart</h2>
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 <pre>public class <span class="typeNameLabel">ShoppingCart</span>
 extends <a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>
 implements <a href="http://docs.oracle.com/javase/8/docs/api/java/io/Serializable.html?is-external=true" title="class or interface in java.io">Serializable</a></pre>
 <div class="block"><A name="non-persistent"/>
  A non-persistent entity holds the content of a shopping session for a <a href="../../openbook/domain/Customer.html" title="class in openbook.domain">Customer</a>.
  Used to create a persistent PurchaseOrder.
  Books can be added or removed from this cart.</div>
 <dl>
 <dt><span class="simpleTagLabel">Author:</span></dt>
 <dd>Pinaki Poddar</dd>
 <dt><span class="seeLabel">See Also:</span></dt>
 <dd><a href="../../serialized-form.html#openbook.domain.ShoppingCart">Serialized Form</a></dd>
 </dl>
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 <caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd">&nbsp;</span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd">&nbsp;</span></span></caption>
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 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../openbook/domain/ShoppingCart.html#addItem-openbook.domain.Book-int-">addItem</a></span>(<a href="../../openbook/domain/Book.html" title="class in openbook.domain">Book</a>&nbsp;book,
        int&nbsp;quantity)</code>
 <div class="block">Add the given book with the given quantity in the cart.</div>
 </td>
 </tr>
 <tr id="i1" class="rowColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../openbook/domain/ShoppingCart.html#changeQuantity-openbook.domain.Book-int-">changeQuantity</a></span>(<a href="../../openbook/domain/Book.html" title="class in openbook.domain">Book</a>&nbsp;book,
               int&nbsp;delta)</code>
 <div class="block">Change the quantity of the given book by the given delta.</div>
 </td>
 </tr>
 <tr id="i2" class="altColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../openbook/domain/ShoppingCart.html#clear--">clear</a></span>()</code>&nbsp;</td>
 </tr>
 <tr id="i3" class="rowColor">
 <td class="colFirst"><code><a href="../../openbook/domain/Customer.html" title="class in openbook.domain">Customer</a></code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../openbook/domain/ShoppingCart.html#getCustomer--">getCustomer</a></span>()</code>
 <div class="block">Gets the Customer who owns this cart.</div>
 </td>
 </tr>
 <tr id="i4" class="altColor">
 <td class="colFirst"><code><a href="http://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a>&lt;<a href="../../openbook/domain/Book.html" title="class in openbook.domain">Book</a>,<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Integer.html?is-external=true" title="class or interface in java.lang">Integer</a>&gt;</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../openbook/domain/ShoppingCart.html#getItems--">getItems</a></span>()</code>
 <div class="block">Gets the books with their corresponding quantity in this cart.</div>
 </td>
 </tr>
 <tr id="i5" class="rowColor">
 <td class="colFirst"><code>int</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../openbook/domain/ShoppingCart.html#getTotalCount--">getTotalCount</a></span>()</code>&nbsp;</td>
 </tr>
 <tr id="i6" class="altColor">
 <td class="colFirst"><code>boolean</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../openbook/domain/ShoppingCart.html#isEmpty--">isEmpty</a></span>()</code>&nbsp;</td>
 </tr>
 <tr id="i7" class="rowColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../openbook/domain/ShoppingCart.html#remove-openbook.domain.Book-">remove</a></span>(<a href="../../openbook/domain/Book.html" title="class in openbook.domain">Book</a>&nbsp;book)</code>
 <div class="block">Removes the given book from this cart.</div>
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 <h4>getCustomer</h4>
 <pre>public&nbsp;<a href="../../openbook/domain/Customer.html" title="class in openbook.domain">Customer</a>&nbsp;getCustomer()</pre>
 <div class="block">Gets the Customer who owns this cart.</div>
 <dl>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>non-null Customer.</dd>
 </dl>
 </li>
 </ul>
 <a name="getItems--">
 <!--   -->
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 <h4>getItems</h4>
 <pre>public&nbsp;<a href="http://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a>&lt;<a href="../../openbook/domain/Book.html" title="class in openbook.domain">Book</a>,<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Integer.html?is-external=true" title="class or interface in java.lang">Integer</a>&gt;&nbsp;getItems()</pre>
 <div class="block">Gets the books with their corresponding quantity in this cart.</div>
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 <!--   -->
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 <h4>addItem</h4>
 <pre>public&nbsp;void&nbsp;addItem(<a href="../../openbook/domain/Book.html" title="class in openbook.domain">Book</a>&nbsp;book,
                     int&nbsp;quantity)</pre>
 <div class="block">Add the given book with the given quantity in the cart.
  If the book already exists then the quantity is added to the existing quantity.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>book</code> - non-null Book</dd>
 <dd><code>quantity</code> - a positive quantity.</dd>
 </dl>
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 <h4>changeQuantity</h4>
 <pre>public&nbsp;void&nbsp;changeQuantity(<a href="../../openbook/domain/Book.html" title="class in openbook.domain">Book</a>&nbsp;book,
                            int&nbsp;delta)</pre>
 <div class="block">Change the quantity of the given book by the given delta.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>book</code> - a non-null Book that must exist in this cart.</dd>
 <dd><code>delta</code> - no. of quantity to change. Can be positive or negative.
  If the resultant quantity becomes zero of negative, the book is removed from the cart.</dd>
 </dl>
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 <h4>remove</h4>
 <pre>public&nbsp;void&nbsp;remove(<a href="../../openbook/domain/Book.html" title="class in openbook.domain">Book</a>&nbsp;book)</pre>
 <div class="block">Removes the given book from this cart.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>book</code> - book a non-null Book that must exist in this cart.</dd>
 </dl>
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	<h2 title="Class ShoppingCart" class="title">Class ShoppingCart</h2>
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	<ul class="inheritance">
	<li><a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</a></li>
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	<pre>public class <span class="typeNameLabel">ShoppingCart</span>
	extends <a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>
	implements <a href="http://docs.oracle.com/javase/8/docs/api/java/io/Serializable.html?is-external=true" title="class or interface in java.io">Serializable</a></pre>
	<div class="block"><A name="non-persistent"/>
	A non-persistent entity holds the content of a shopping session for a <a href="../../openbook/domain/Customer.html" title="class in openbook.domain">Customer</a>.
	Used to create a persistent PurchaseOrder.
	Books can be added or removed from this cart.</div>
	<dl>
	<dt><span class="simpleTagLabel">Author:</span></dt>
	<dd>Pinaki Poddar</dd>
	<dt><span class="seeLabel">See Also:</span></dt>
	<dd><a href="../../serialized-form.html#openbook.domain.ShoppingCart">Serialized Form</a></dd>
	</dl>
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	<h3>Method Summary</h3>
	<table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation">
	<caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd"> </span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd"> </span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd"> </span></span></caption>
	<tr>
	<th class="colFirst" scope="col">Modifier and Type</th>
	<th class="colLast" scope="col">Method and Description</th>
	</tr>
	<tr id="i0" class="altColor">
	<td class="colFirst"><code>void</code></td>
	<td class="colLast"><code><span class="memberNameLink"><a href="../../openbook/domain/ShoppingCart.html#addItem-openbook.domain.Book-int-">addItem</a></span>(<a href="../../openbook/domain/Book.html" title="class in openbook.domain">Book</a> book,
	int quantity)</code>
	<div class="block">Add the given book with the given quantity in the cart.</div>
	</td>
	</tr>
	<tr id="i1" class="rowColor">
	<td class="colFirst"><code>void</code></td>
	<td class="colLast"><code><span class="memberNameLink"><a href="../../openbook/domain/ShoppingCart.html#changeQuantity-openbook.domain.Book-int-">changeQuantity</a></span>(<a href="../../openbook/domain/Book.html" title="class in openbook.domain">Book</a> book,
	int delta)</code>
	<div class="block">Change the quantity of the given book by the given delta.</div>
	</td>
	</tr>
	<tr id="i2" class="altColor">
	<td class="colFirst"><code>void</code></td>
	<td class="colLast"><code><span class="memberNameLink"><a href="../../openbook/domain/ShoppingCart.html#clear--">clear</a></span>()</code> </td>
	</tr>
	<tr id="i3" class="rowColor">
	<td class="colFirst"><code><a href="../../openbook/domain/Customer.html" title="class in openbook.domain">Customer</a></code></td>
	<td class="colLast"><code><span class="memberNameLink"><a href="../../openbook/domain/ShoppingCart.html#getCustomer--">getCustomer</a></span>()</code>
	<div class="block">Gets the Customer who owns this cart.</div>
	</td>
	</tr>
	<tr id="i4" class="altColor">
	<td class="colFirst"><code><a href="http://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><<a href="../../openbook/domain/Book.html" title="class in openbook.domain">Book</a>,<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Integer.html?is-external=true" title="class or interface in java.lang">Integer</a>></code></td>
	<td class="colLast"><code><span class="memberNameLink"><a href="../../openbook/domain/ShoppingCart.html#getItems--">getItems</a></span>()</code>
	<div class="block">Gets the books with their corresponding quantity in this cart.</div>
	</td>
	</tr>
	<tr id="i5" class="rowColor">
	<td class="colFirst"><code>int</code></td>
	<td class="colLast"><code><span class="memberNameLink"><a href="../../openbook/domain/ShoppingCart.html#getTotalCount--">getTotalCount</a></span>()</code> </td>
	</tr>
	<tr id="i6" class="altColor">
	<td class="colFirst"><code>boolean</code></td>
	<td class="colLast"><code><span class="memberNameLink"><a href="../../openbook/domain/ShoppingCart.html#isEmpty--">isEmpty</a></span>()</code> </td>
	</tr>
	<tr id="i7" class="rowColor">
	<td class="colFirst"><code>void</code></td>
	<td class="colLast"><code><span class="memberNameLink"><a href="../../openbook/domain/ShoppingCart.html#remove-openbook.domain.Book-">remove</a></span>(<a href="../../openbook/domain/Book.html" title="class in openbook.domain">Book</a> book)</code>
	<div class="block">Removes the given book from this cart.</div>
	</td>
	</tr>
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	<h3>Methods inherited from class java.lang.<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></h3>
	<code><a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#clone--" title="class or interface in java.lang">clone</a>, <a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#equals-java.lang.Object-" title="class or interface in java.lang">equals</a>, <a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#finalize--" title="class or interface in java.lang">finalize</a>, <a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#getClass--" title="class or interface in java.lang">getClass</a>, <a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#hashCode--" title="class or interface in java.lang">hashCode</a>, <a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notify--" title="class or interface in java.lang">notify</a>, <a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notifyAll--" title="class or interface in java.lang">notifyAll</a>, <a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#toString--" title="class or interface in java.lang">toString</a>, <a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait--" title="class or interface in java.lang">wait</a>, <a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-" title="class or interface in java.lang">wait</a>, <a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-int-" title="class or interface in java.lang">wait</a></code></li>
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	<h3>Method Detail</h3>
	<a name="getCustomer--">
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	<h4>getCustomer</h4>
	<pre>public <a href="../../openbook/domain/Customer.html" title="class in openbook.domain">Customer</a> getCustomer()</pre>
	<div class="block">Gets the Customer who owns this cart.</div>
	<dl>
	<dt><span class="returnLabel">Returns:</span></dt>
	<dd>non-null Customer.</dd>
	</dl>
	</li>
	</ul>
	<a name="getItems--">
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	<h4>getItems</h4>
	<pre>public <a href="http://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><<a href="../../openbook/domain/Book.html" title="class in openbook.domain">Book</a>,<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Integer.html?is-external=true" title="class or interface in java.lang">Integer</a>> getItems()</pre>
	<div class="block">Gets the books with their corresponding quantity in this cart.</div>
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	<h4>addItem</h4>
	<pre>public void addItem(<a href="../../openbook/domain/Book.html" title="class in openbook.domain">Book</a> book,
	int quantity)</pre>
	<div class="block">Add the given book with the given quantity in the cart.
	If the book already exists then the quantity is added to the existing quantity.</div>
	<dl>
	<dt><span class="paramLabel">Parameters:</span></dt>
	<dd><code>book</code> - non-null Book</dd>
	<dd><code>quantity</code> - a positive quantity.</dd>
	</dl>
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	<h4>changeQuantity</h4>
	<pre>public void changeQuantity(<a href="../../openbook/domain/Book.html" title="class in openbook.domain">Book</a> book,
	int delta)</pre>
	<div class="block">Change the quantity of the given book by the given delta.</div>
	<dl>
	<dt><span class="paramLabel">Parameters:</span></dt>
	<dd><code>book</code> - a non-null Book that must exist in this cart.</dd>
	<dd><code>delta</code> - no. of quantity to change. Can be positive or negative.
	If the resultant quantity becomes zero of negative, the book is removed from the cart.</dd>
	</dl>
	</li>
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	<a name="remove-openbook.domain.Book-">
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	<h4>remove</h4>
	<pre>public void remove(<a href="../../openbook/domain/Book.html" title="class in openbook.domain">Book</a> book)</pre>
	<div class="block">Removes the given book from this cart.</div>
	<dl>
	<dt><span class="paramLabel">Parameters:</span></dt>
	<dd><code>book</code> - book a non-null Book that must exist in this cart.</dd>
	</dl>
	</li>
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	<a name="clear--">
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	<h4>clear</h4>
	<pre>public void clear()</pre>
	</li>
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	<a name="isEmpty--">
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	<h4>isEmpty</h4>
	<pre>public boolean isEmpty()</pre>
	</li>
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	<a name="getTotalCount--">
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	<h4>getTotalCount</h4>
	<pre>public int getTotalCount()</pre>
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