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 <h2 title="Enum PessimisticLockScope" class="title">Enum PessimisticLockScope</h2>
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 <li>java.lang.Object</li>
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 <li>java.lang.Enum&lt;<a href="../../javax/persistence/PessimisticLockScope.html" title="enum in javax.persistence">PessimisticLockScope</a>&gt;</li>
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 <hr>
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 <pre>public enum <span class="typeNameLabel">PessimisticLockScope</span>
 extends java.lang.Enum&lt;<a href="../../javax/persistence/PessimisticLockScope.html" title="enum in javax.persistence">PessimisticLockScope</a>&gt;</pre>
 <div class="block">Defines the values of the <code>javax.persistence.lock.scope</code>
  property for pessimistic locking.  This property may be passed as
  an argument to the methods of the <a href="../../javax/persistence/EntityManager.html" title="interface in javax.persistence"><code>EntityManager</code></a>,
  <a href="../../javax/persistence/Query.html" title="interface in javax.persistence"><code>Query</code></a>, and <a href="../../javax/persistence/TypedQuery.html" title="interface in javax.persistence"><code>TypedQuery</code></a> interfaces that
  allow lock modes to be specified or used with the
  <a href="../../javax/persistence/NamedQuery.html" title="annotation in javax.persistence"><code>NamedQuery</code></a> annotation.</div>
 <dl>
 <dt><span class="simpleTagLabel">Since:</span></dt>
 <dd>Java Persistence 2.0</dd>
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 <td class="colOne"><code><span class="memberNameLink"><a href="../../javax/persistence/PessimisticLockScope.html#EXTENDED">EXTENDED</a></span></code>
 <div class="block">In addition to the behavior for
  <code>PessimisticLockScope.NORMAL</code>, element collections
  and relationships owned by the entity that are contained in
  join tables will be locked if the
  <code>javax.persistence.lock.scope</code> property is specified
  with a value of <code>PessimisticLockScope.EXTENDED</code>.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colOne"><code><span class="memberNameLink"><a href="../../javax/persistence/PessimisticLockScope.html#NORMAL">NORMAL</a></span></code>
 <div class="block">This value defines the default behavior for pessimistic locking.</div>
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 <td class="colFirst"><code>static <a href="../../javax/persistence/PessimisticLockScope.html" title="enum in javax.persistence">PessimisticLockScope</a></code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../javax/persistence/PessimisticLockScope.html#valueOf-java.lang.String-">valueOf</a></span>(java.lang.String&nbsp;name)</code>
 <div class="block">Returns the enum constant of this type with the specified name.</div>
 </td>
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 <tr id="i1" class="rowColor">
 <td class="colFirst"><code>static <a href="../../javax/persistence/PessimisticLockScope.html" title="enum in javax.persistence">PessimisticLockScope</a>[]</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../javax/persistence/PessimisticLockScope.html#values--">values</a></span>()</code>
 <div class="block">Returns an array containing the constants of this enum type, in
 the order they are declared.</div>
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 <pre>public static final&nbsp;<a href="../../javax/persistence/PessimisticLockScope.html" title="enum in javax.persistence">PessimisticLockScope</a> NORMAL</pre>
 <div class="block">This value defines the default behavior for pessimistic locking.

  <p>The persistence provider must lock the database row(s) that
  correspond to the non-collection-valued persistent state of
  that instance.  If a joined inheritance strategy is used, or if
  the entity is otherwise mapped to a secondary table, this
  entails locking the row(s) for the entity instance in the
  additional table(s).  Entity relationships for which the locked
  entity contains the foreign key will also be locked, but not
  the state of the referenced entities (unless those entities are
  explicitly locked).  Element collections and relationships for
  which the entity does not contain the foreign key (such as
  relationships that are mapped to join tables or unidirectional
  one-to-many relationships for which the target entity contains
  the foreign key) will not be locked by default.</div>
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 <pre>public static final&nbsp;<a href="../../javax/persistence/PessimisticLockScope.html" title="enum in javax.persistence">PessimisticLockScope</a> EXTENDED</pre>
 <div class="block">In addition to the behavior for
  <code>PessimisticLockScope.NORMAL</code>, element collections
  and relationships owned by the entity that are contained in
  join tables will be locked if the
  <code>javax.persistence.lock.scope</code> property is specified
  with a value of <code>PessimisticLockScope.EXTENDED</code>.
  The state of entities referenced by such relationships will not
  be locked (unless those entities are explicitly locked).
  Locking such a relationship or element collection generally locks only
  the rows in the join table or collection table for that
  relationship or collection.  This means that phantoms will be
  possible.</div>
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 <pre>public static&nbsp;<a href="../../javax/persistence/PessimisticLockScope.html" title="enum in javax.persistence">PessimisticLockScope</a>[]&nbsp;values()</pre>
 <div class="block">Returns an array containing the constants of this enum type, in
 the order they are declared.  This method may be used to iterate
 over the constants as follows:
 <pre>
 for (PessimisticLockScope c : PessimisticLockScope.values())
 &nbsp;   System.out.println(c);
 </pre></div>
 <dl>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>an array containing the constants of this enum type, in the order they are declared</dd>
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 <pre>public static&nbsp;<a href="../../javax/persistence/PessimisticLockScope.html" title="enum in javax.persistence">PessimisticLockScope</a>&nbsp;valueOf(java.lang.String&nbsp;name)</pre>
 <div class="block">Returns the enum constant of this type with the specified name.
 The string must match <i>exactly</i> an identifier used to declare an
 enum constant in this type.  (Extraneous whitespace characters are
 not permitted.)</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>name</code> - the name of the enum constant to be returned.</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>the enum constant with the specified name</dd>
 <dt><span class="throwsLabel">Throws:</span></dt>
 <dd><code>java.lang.IllegalArgumentException</code> - if this enum type has no constant with the specified name</dd>
 <dd><code>java.lang.NullPointerException</code> - if the argument is null</dd>
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	<h2 title="Enum PessimisticLockScope" class="title">Enum PessimisticLockScope</h2>
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	<li>java.lang.Object</li>
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	<hr>
	<br>
	<pre>public enum <span class="typeNameLabel">PessimisticLockScope</span>
	extends java.lang.Enum<<a href="../../javax/persistence/PessimisticLockScope.html" title="enum in javax.persistence">PessimisticLockScope</a>></pre>
	<div class="block">Defines the values of the <code>javax.persistence.lock.scope</code>
	property for pessimistic locking. This property may be passed as
	an argument to the methods of the <a href="../../javax/persistence/EntityManager.html" title="interface in javax.persistence"><code>EntityManager</code></a>,
	<a href="../../javax/persistence/Query.html" title="interface in javax.persistence"><code>Query</code></a>, and <a href="../../javax/persistence/TypedQuery.html" title="interface in javax.persistence"><code>TypedQuery</code></a> interfaces that
	allow lock modes to be specified or used with the
	<a href="../../javax/persistence/NamedQuery.html" title="annotation in javax.persistence"><code>NamedQuery</code></a> annotation.</div>
	<dl>
	<dt><span class="simpleTagLabel">Since:</span></dt>
	<dd>Java Persistence 2.0</dd>
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	<tr class="altColor">
	<td class="colOne"><code><span class="memberNameLink"><a href="../../javax/persistence/PessimisticLockScope.html#EXTENDED">EXTENDED</a></span></code>
	<div class="block">In addition to the behavior for
	<code>PessimisticLockScope.NORMAL</code>, element collections
	and relationships owned by the entity that are contained in
	join tables will be locked if the
	<code>javax.persistence.lock.scope</code> property is specified
	with a value of <code>PessimisticLockScope.EXTENDED</code>.</div>
	</td>
	</tr>
	<tr class="rowColor">
	<td class="colOne"><code><span class="memberNameLink"><a href="../../javax/persistence/PessimisticLockScope.html#NORMAL">NORMAL</a></span></code>
	<div class="block">This value defines the default behavior for pessimistic locking.</div>
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	<td class="colFirst"><code>static <a href="../../javax/persistence/PessimisticLockScope.html" title="enum in javax.persistence">PessimisticLockScope</a></code></td>
	<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/persistence/PessimisticLockScope.html#valueOf-java.lang.String-">valueOf</a></span>(java.lang.String name)</code>
	<div class="block">Returns the enum constant of this type with the specified name.</div>
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	<td class="colFirst"><code>static <a href="../../javax/persistence/PessimisticLockScope.html" title="enum in javax.persistence">PessimisticLockScope</a>[]</code></td>
	<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/persistence/PessimisticLockScope.html#values--">values</a></span>()</code>
	<div class="block">Returns an array containing the constants of this enum type, in
	the order they are declared.</div>
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	<h3>Methods inherited from class java.lang.Enum</h3>
	<code>clone, compareTo, equals, finalize, getDeclaringClass, hashCode, name, ordinal, toString, valueOf</code></li>
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	<h3>Methods inherited from class java.lang.Object</h3>
	<code>getClass, notify, notifyAll, wait, wait, wait</code></li>
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	<h4>NORMAL</h4>
	<pre>public static final <a href="../../javax/persistence/PessimisticLockScope.html" title="enum in javax.persistence">PessimisticLockScope</a> NORMAL</pre>
	<div class="block">This value defines the default behavior for pessimistic locking.

	<p>The persistence provider must lock the database row(s) that
	correspond to the non-collection-valued persistent state of
	that instance. If a joined inheritance strategy is used, or if
	the entity is otherwise mapped to a secondary table, this
	entails locking the row(s) for the entity instance in the
	additional table(s). Entity relationships for which the locked
	entity contains the foreign key will also be locked, but not
	the state of the referenced entities (unless those entities are
	explicitly locked). Element collections and relationships for
	which the entity does not contain the foreign key (such as
	relationships that are mapped to join tables or unidirectional
	one-to-many relationships for which the target entity contains
	the foreign key) will not be locked by default.</div>
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	<h4>EXTENDED</h4>
	<pre>public static final <a href="../../javax/persistence/PessimisticLockScope.html" title="enum in javax.persistence">PessimisticLockScope</a> EXTENDED</pre>
	<div class="block">In addition to the behavior for
	<code>PessimisticLockScope.NORMAL</code>, element collections
	and relationships owned by the entity that are contained in
	join tables will be locked if the
	<code>javax.persistence.lock.scope</code> property is specified
	with a value of <code>PessimisticLockScope.EXTENDED</code>.
	The state of entities referenced by such relationships will not
	be locked (unless those entities are explicitly locked).
	Locking such a relationship or element collection generally locks only
	the rows in the join table or collection table for that
	relationship or collection. This means that phantoms will be
	possible.</div>
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	<h4>values</h4>
	<pre>public static <a href="../../javax/persistence/PessimisticLockScope.html" title="enum in javax.persistence">PessimisticLockScope</a>[] values()</pre>
	<div class="block">Returns an array containing the constants of this enum type, in
	the order they are declared. This method may be used to iterate
	over the constants as follows:
	<pre>
	for (PessimisticLockScope c : PessimisticLockScope.values())
	System.out.println(c);
	</pre></div>
	<dl>
	<dt><span class="returnLabel">Returns:</span></dt>
	<dd>an array containing the constants of this enum type, in the order they are declared</dd>
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	<h4>valueOf</h4>
	<pre>public static <a href="../../javax/persistence/PessimisticLockScope.html" title="enum in javax.persistence">PessimisticLockScope</a> valueOf(java.lang.String name)</pre>
	<div class="block">Returns the enum constant of this type with the specified name.
	The string must match <i>exactly</i> an identifier used to declare an
	enum constant in this type. (Extraneous whitespace characters are
	not permitted.)</div>
	<dl>
	<dt><span class="paramLabel">Parameters:</span></dt>
	<dd><code>name</code> - the name of the enum constant to be returned.</dd>
	<dt><span class="returnLabel">Returns:</span></dt>
	<dd>the enum constant with the specified name</dd>
	<dt><span class="throwsLabel">Throws:</span></dt>
	<dd><code>java.lang.IllegalArgumentException</code> - if this enum type has no constant with the specified name</dd>
	<dd><code>java.lang.NullPointerException</code> - if the argument is null</dd>
	</dl>
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