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<div class="subTitle">openbook.server</div>
<h2 title="Interface OpenBookService" class="title">Interface OpenBookService</h2>
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<pre>public interface <span class="typeNameLabel">OpenBookService</span></pre>
<div class="block">A simple service to select Books, purchase them and manage their inventory.
A service handle can be obtained from <a href="../../openbook/server/ServiceFactory.html#getService-java.lang.String-"><code>Service Factory</code></a>.</div>
<dl>
<dt><span class="simpleTagLabel">Author:</span></dt>
<dd>Pinaki Poddar</dd>
</dl>
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<h3>Field Summary</h3>
<table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Field Summary table, listing fields, and an explanation">
<caption><span>Fields</span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Field and Description</th>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static <a href="http://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../openbook/server/OpenBookService.html#DEFAULT_UNIT_NAME">DEFAULT_UNIT_NAME</a></span></code>&nbsp;</td>
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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="t3" class="tableTab"><span><a href="javascript:show(4);">Abstract 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/server/OpenBookService.html#clean--">clean</a></span>()</code>
<div class="block">Cleans everything.</div>
</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code>long</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../openbook/server/OpenBookService.html#count-java.lang.Class-">count</a></span>(<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>&lt;?&gt;&nbsp;cls)</code>
<div class="block">Count the number of instances of the given persistent type.</div>
</td>
</tr>
<tr id="i2" class="altColor">
<td class="colFirst"><code><a href="../../openbook/domain/PurchaseOrder.html" title="class in openbook.domain">PurchaseOrder</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../openbook/server/OpenBookService.html#deliver-openbook.domain.PurchaseOrder-">deliver</a></span>(<a href="../../openbook/domain/PurchaseOrder.html" title="class in openbook.domain">PurchaseOrder</a>&nbsp;order)</code>
<div class="block">Delivers the given order.</div>
</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code>&lt;T&gt;&nbsp;<a href="http://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;T&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../openbook/server/OpenBookService.html#getExtent-java.lang.Class-">getExtent</a></span>(<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>&lt;T&gt;&nbsp;entity)</code>&nbsp;</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code><a href="http://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../openbook/domain/PurchaseOrder.html" title="class in openbook.domain">PurchaseOrder</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../openbook/server/OpenBookService.html#getOrders-openbook.domain.PurchaseOrder.Status-openbook.domain.Customer-">getOrders</a></span>(<a href="../../openbook/domain/PurchaseOrder.Status.html" title="enum in openbook.domain">PurchaseOrder.Status</a>&nbsp;status,
<a href="../../openbook/domain/Customer.html" title="class in openbook.domain">Customer</a>&nbsp;customer)</code>
<div class="block">Gets the list of orders of given status.</div>
</td>
</tr>
<tr id="i5" class="rowColor">
<td class="colFirst"><code><a href="http://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../openbook/server/OpenBookService.html#getQuery-java.lang.String-java.lang.Double-java.lang.Double-java.lang.String-">getQuery</a></span>(<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;title,
<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a>&nbsp;min,
<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a>&nbsp;max,
<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;author)</code>
<div class="block">Gets the query String for the given parameters.</div>
</td>
</tr>
<tr id="i6" class="altColor">
<td class="colFirst"><code><a href="http://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../openbook/domain/Inventory.html" title="class in openbook.domain">Inventory</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../openbook/server/OpenBookService.html#getReorderableBooks-int-">getReorderableBooks</a></span>(int&nbsp;limit)</code>
<div class="block">Gets the list of Books whose inventory is lower than the given limit.</div>
</td>
</tr>
<tr id="i7" class="rowColor">
<td class="colFirst"><code>javax.persistence.EntityManagerFactory</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../openbook/server/OpenBookService.html#getUnit--">getUnit</a></span>()</code>
<div class="block">Gets the underlying persistence unit.</div>
</td>
</tr>
<tr id="i8" class="altColor">
<td class="colFirst"><code><a href="http://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../openbook/server/OpenBookService.html#getUnitName--">getUnitName</a></span>()</code>
<div class="block">Gets the name of the underlying persistence unit.</div>
</td>
</tr>
<tr id="i9" class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../openbook/server/OpenBookService.html#initialize-java.util.Map-">initialize</a></span>(<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="http://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,<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>&gt;&nbsp;loadParameters)</code>
<div class="block">Populates the underlying data repository with sample values, only if
the data repository is empty.</div>
</td>
</tr>
<tr id="i10" class="altColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../openbook/server/OpenBookService.html#isManaged--">isManaged</a></span>()</code>
<div class="block">Affirms if the transaction on this persistence unit is managed by a container.</div>
</td>
</tr>
<tr id="i11" 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/server/OpenBookService.html#login-java.lang.String-">login</a></span>(<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name)</code>
<div class="block">Starts a session for the given named Customer.</div>
</td>
</tr>
<tr id="i12" class="altColor">
<td class="colFirst"><code><a href="../../openbook/domain/PurchaseOrder.html" title="class in openbook.domain">PurchaseOrder</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../openbook/server/OpenBookService.html#placeOrder-openbook.domain.ShoppingCart-">placeOrder</a></span>(<a href="../../openbook/domain/ShoppingCart.html" title="class in openbook.domain">ShoppingCart</a>&nbsp;cart)</code>
<div class="block">Buys the content of the given cart.</div>
</td>
</tr>
<tr id="i13" class="rowColor">
<td class="colFirst"><code>&lt;T&gt;&nbsp;<a href="http://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;T&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../openbook/server/OpenBookService.html#query-java.lang.String-java.lang.Class-openbook.server.QueryDecorator...-">query</a></span>(<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;jpql,
<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>&lt;T&gt;&nbsp;resultClass,
<a href="../../openbook/server/QueryDecorator.html" title="interface in openbook.server">QueryDecorator</a>...&nbsp;decorators)</code>
<div class="block">Runs an arbitrary JPQL query to return a list of result.</div>
</td>
</tr>
<tr id="i14" class="altColor">
<td class="colFirst"><code><a href="http://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../openbook/domain/Book.html" title="class in openbook.domain">Book</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../openbook/server/OpenBookService.html#select-java.lang.String-java.lang.Double-java.lang.Double-java.lang.String-openbook.server.QueryDecorator...-">select</a></span>(<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;title,
<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a>&nbsp;min,
<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a>&nbsp;max,
<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;author,
<a href="../../openbook/server/QueryDecorator.html" title="interface in openbook.server">QueryDecorator</a>...&nbsp;decorators)</code>
<div class="block">Selects a list of Books matching the given conditions.</div>
</td>
</tr>
<tr id="i15" class="rowColor">
<td class="colFirst"><code><a href="../../openbook/domain/Book.html" title="class in openbook.domain">Book</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../openbook/server/OpenBookService.html#supply-openbook.domain.Book-int-">supply</a></span>(<a href="../../openbook/domain/Book.html" title="class in openbook.domain">Book</a>&nbsp;b,
int&nbsp;quantity)</code>
<div class="block">Add inventory of the given Book by the given quantity.</div>
</td>
</tr>
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<h4>DEFAULT_UNIT_NAME</h4>
<pre>static final&nbsp;<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> DEFAULT_UNIT_NAME</pre>
<dl>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../constant-values.html#openbook.server.OpenBookService.DEFAULT_UNIT_NAME">Constant Field Values</a></dd>
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<h4>login</h4>
<pre><a href="../../openbook/domain/Customer.html" title="class in openbook.domain">Customer</a>&nbsp;login(<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name)</pre>
<div class="block">Starts a session for the given named Customer.
If no record of the given name exists, a new Customer record is created.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>name</code> - name of a possibly existing customer. Or a new one.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>a Customer</dd>
</dl>
</li>
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<h4>select</h4>
<pre><a href="http://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../openbook/domain/Book.html" title="class in openbook.domain">Book</a>&gt;&nbsp;select(<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;title,
<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a>&nbsp;min,
<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a>&nbsp;max,
<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;author,
<a href="../../openbook/server/QueryDecorator.html" title="interface in openbook.server">QueryDecorator</a>...&nbsp;decorators)</pre>
<div class="block">Selects a list of Books matching the given conditions.
Each of the conditional parameter can be null.
A null parameter implies that the resultant query should ignore that parameter.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>title</code> - title of the Book</dd>
<dd><code>min</code> - minimum price</dd>
<dd><code>max</code> - maximum price</dd>
<dd><code>author</code> - name of author</dd>
<dd><code>decorators</code> - to modify the executable query such as its range.</dd>
</dl>
</li>
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<h4>getQuery</h4>
<pre><a href="http://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;getQuery(<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;title,
<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a>&nbsp;min,
<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a>&nbsp;max,
<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;author)</pre>
<div class="block">Gets the query String for the given parameters.
Each of the conditional parameter can be null.
A null parameter implies that the resultant query should ignore that parameter.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>title</code> - title of the Book</dd>
<dd><code>min</code> - minimum price</dd>
<dd><code>max</code> - maximum price</dd>
<dd><code>author</code> - name of author</dd>
<dd><code>decorators</code> - to modify the executable query such as its range.</dd>
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<pre>&lt;T&gt;&nbsp;<a href="http://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;T&gt;&nbsp;query(<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;jpql,
<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>&lt;T&gt;&nbsp;resultClass,
<a href="../../openbook/server/QueryDecorator.html" title="interface in openbook.server">QueryDecorator</a>...&nbsp;decorators)</pre>
<div class="block">Runs an arbitrary JPQL query to return a list of result.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>jpql</code> - a valid JPQL query string.</dd>
<dd><code>resultClass</code> - type of the result.</dd>
<dd><code>decorators</code> - zero or more QueryDecorators to be applied before Query is executed.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the selected instances.</dd>
</dl>
</li>
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<h4>getExtent</h4>
<pre>&lt;T&gt;&nbsp;<a href="http://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;T&gt;&nbsp;getExtent(<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>&lt;T&gt;&nbsp;entity)</pre>
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<h4>placeOrder</h4>
<pre><a href="../../openbook/domain/PurchaseOrder.html" title="class in openbook.domain">PurchaseOrder</a>&nbsp;placeOrder(<a href="../../openbook/domain/ShoppingCart.html" title="class in openbook.domain">ShoppingCart</a>&nbsp;cart)</pre>
<div class="block">Buys the content of the given cart.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>cart</code> - a non-empty cart.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>a PurchaseOrder for the content of the cart.</dd>
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<h4>deliver</h4>
<pre><a href="../../openbook/domain/PurchaseOrder.html" title="class in openbook.domain">PurchaseOrder</a>&nbsp;deliver(<a href="../../openbook/domain/PurchaseOrder.html" title="class in openbook.domain">PurchaseOrder</a>&nbsp;order)</pre>
<div class="block">Delivers the given order. Delivery changes the status of the order, decrements
inventory and finally removes the line items.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>order</code> - a PENDING order to be delivered.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the PurchaseOrder after delivery.</dd>
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<h4>supply</h4>
<pre><a href="../../openbook/domain/Book.html" title="class in openbook.domain">Book</a>&nbsp;supply(<a href="../../openbook/domain/Book.html" title="class in openbook.domain">Book</a>&nbsp;b,
int&nbsp;quantity)</pre>
<div class="block">Add inventory of the given Book by the given quantity.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>b</code> - a Book whose inventory is to be incremented</dd>
<dd><code>quantity</code> - positive number.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the Book after incrementing its inventory.</dd>
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<h4>getOrders</h4>
<pre><a href="http://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../openbook/domain/PurchaseOrder.html" title="class in openbook.domain">PurchaseOrder</a>&gt;&nbsp;getOrders(<a href="../../openbook/domain/PurchaseOrder.Status.html" title="enum in openbook.domain">PurchaseOrder.Status</a>&nbsp;status,
<a href="../../openbook/domain/Customer.html" title="class in openbook.domain">Customer</a>&nbsp;customer)</pre>
<div class="block">Gets the list of orders of given status.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>status</code> - status of the orders. null implies all orders.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>list of orders sorted by their placement dates.</dd>
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<h4>getReorderableBooks</h4>
<pre><a href="http://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../openbook/domain/Inventory.html" title="class in openbook.domain">Inventory</a>&gt;&nbsp;getReorderableBooks(int&nbsp;limit)</pre>
<div class="block">Gets the list of Books whose inventory is lower than the given limit.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>limit</code> - reorder limit. null implies all inventory.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>list of Books with inventory lower than the given limit.</dd>
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<h4>count</h4>
<pre>long&nbsp;count(<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>&lt;?&gt;&nbsp;cls)</pre>
<div class="block">Count the number of instances of the given persistent type.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>cls</code> - a persistent type.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>number of persistent entity of the given type.</dd>
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<h4>initialize</h4>
<pre>boolean&nbsp;initialize(<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="http://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,<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>&gt;&nbsp;loadParameters)</pre>
<div class="block">Populates the underlying data repository with sample values, only if
the data repository is empty.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>loadParameters</code> - control the number of Books etc. to be created.
null is allowed.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>true if the repository is initialized by this invocation.</dd>
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<h4>clean</h4>
<pre>void&nbsp;clean()</pre>
<div class="block">Cleans everything. Be careful.</div>
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<h4>getUnit</h4>
<pre>javax.persistence.EntityManagerFactory&nbsp;getUnit()</pre>
<div class="block">Gets the underlying persistence unit.</div>
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<h4>getUnitName</h4>
<pre><a href="http://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;getUnitName()</pre>
<div class="block">Gets the name of the underlying persistence unit.</div>
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<h4>isManaged</h4>
<pre>boolean&nbsp;isManaged()</pre>
<div class="block">Affirms if the transaction on this persistence unit is managed by a container.</div>
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