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<div class="subTitle">org.apache.openjpa.jdbc.kernel</div>
<h2 title="Class PessimisticLockManager" class="title">Class PessimisticLockManager</h2>
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<ul class="inheritance">
<li><a href="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</a></li>
<li>
<ul class="inheritance">
<li><a href="../../../../../org/apache/openjpa/kernel/AbstractLockManager.html" title="class in org.apache.openjpa.kernel">org.apache.openjpa.kernel.AbstractLockManager</a></li>
<li>
<ul class="inheritance">
<li><a href="../../../../../org/apache/openjpa/kernel/VersionLockManager.html" title="class in org.apache.openjpa.kernel">org.apache.openjpa.kernel.VersionLockManager</a></li>
<li>
<ul class="inheritance">
<li>org.apache.openjpa.jdbc.kernel.PessimisticLockManager</li>
</ul>
</li>
</ul>
</li>
</ul>
</li>
</ul>
<div class="description">
<ul class="blockList">
<li class="blockList">
<dl>
<dt>All Implemented Interfaces:</dt>
<dd><a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCLockManager.html" title="interface in org.apache.openjpa.jdbc.kernel">JDBCLockManager</a>, <a href="../../../../../org/apache/openjpa/kernel/LockLevels.html" title="interface in org.apache.openjpa.kernel">LockLevels</a>, <a href="../../../../../org/apache/openjpa/kernel/LockManager.html" title="interface in org.apache.openjpa.kernel">LockManager</a>, <a href="../../../../../org/apache/openjpa/lib/util/Closeable.html" title="interface in org.apache.openjpa.lib.util">Closeable</a></dd>
</dl>
<dl>
<dt>Direct Known Subclasses:</dt>
<dd><a href="../../../../../org/apache/openjpa/jdbc/kernel/MixedLockManager.html" title="class in org.apache.openjpa.jdbc.kernel">MixedLockManager</a></dd>
</dl>
<hr>
<br>
<pre>public class <span class="strong">PessimisticLockManager</span>
extends <a href="../../../../../org/apache/openjpa/kernel/VersionLockManager.html" title="class in org.apache.openjpa.kernel">VersionLockManager</a>
implements <a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCLockManager.html" title="interface in org.apache.openjpa.jdbc.kernel">JDBCLockManager</a></pre>
<div class="block">Lock manager that uses exclusive database locks.</div>
<dl><dt><span class="strong">Author:</span></dt>
<dd>Marc Prud'hommeaux</dd></dl>
</li>
</ul>
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<h3>Field Summary</h3>
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<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>protected <a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCStore.html" title="interface in org.apache.openjpa.jdbc.kernel">JDBCStore</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/jdbc/kernel/PessimisticLockManager.html#_store">_store</a></strong></code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/jdbc/kernel/PessimisticLockManager.html#LOCK_DATASTORE_ONLY">LOCK_DATASTORE_ONLY</a></strong></code>&nbsp;</td>
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<h3>Fields inherited from class&nbsp;org.apache.openjpa.kernel.<a href="../../../../../org/apache/openjpa/kernel/AbstractLockManager.html" title="class in org.apache.openjpa.kernel">AbstractLockManager</a></h3>
<code><a href="../../../../../org/apache/openjpa/kernel/AbstractLockManager.html#ctx">ctx</a>, <a href="../../../../../org/apache/openjpa/kernel/AbstractLockManager.html#log">log</a></code></li>
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<h3>Fields inherited from interface&nbsp;org.apache.openjpa.kernel.<a href="../../../../../org/apache/openjpa/kernel/LockLevels.html" title="interface in org.apache.openjpa.kernel">LockLevels</a></h3>
<code><a href="../../../../../org/apache/openjpa/kernel/LockLevels.html#LOCK_NONE">LOCK_NONE</a>, <a href="../../../../../org/apache/openjpa/kernel/LockLevels.html#LOCK_READ">LOCK_READ</a>, <a href="../../../../../org/apache/openjpa/kernel/LockLevels.html#LOCK_WRITE">LOCK_WRITE</a></code></li>
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<th class="colOne" scope="col">Constructor and Description</th>
</tr>
<tr class="altColor">
<td class="colOne"><code><strong><a href="../../../../../org/apache/openjpa/jdbc/kernel/PessimisticLockManager.html#PessimisticLockManager()">PessimisticLockManager</a></strong>()</code>&nbsp;</td>
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<h3>Method Summary</h3>
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<caption><span>Methods</span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
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<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/jdbc/kernel/PessimisticLockManager.html#checkLock(java.sql.ResultSet,%20org.apache.openjpa.kernel.OpenJPAStateManager,%20int)">checkLock</a></strong>(<a href="http://download.oracle.com/javase/6/docs/api/java/sql/ResultSet.html?is-external=true" title="class or interface in java.sql">ResultSet</a>&nbsp;rs,
<a href="../../../../../org/apache/openjpa/kernel/OpenJPAStateManager.html" title="interface in org.apache.openjpa.kernel">OpenJPAStateManager</a>&nbsp;sm,
int&nbsp;timeout)</code>
<div class="block">This method is to provide override for non-JDBC or JDBC-like
implementation of checking lock from the result set.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected <a href="http://download.oracle.com/javase/6/docs/api/java/sql/ResultSet.html?is-external=true" title="class or interface in java.sql">ResultSet</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/jdbc/kernel/PessimisticLockManager.html#executeQuery(java.sql.Connection,%20java.sql.PreparedStatement,%20org.apache.openjpa.jdbc.sql.SQLBuffer)">executeQuery</a></strong>(<a href="http://download.oracle.com/javase/6/docs/api/java/sql/Connection.html?is-external=true" title="class or interface in java.sql">Connection</a>&nbsp;conn,
<a href="http://download.oracle.com/javase/6/docs/api/java/sql/PreparedStatement.html?is-external=true" title="class or interface in java.sql">PreparedStatement</a>&nbsp;stmnt,
<a href="../../../../../org/apache/openjpa/jdbc/sql/SQLBuffer.html" title="class in org.apache.openjpa.jdbc.sql">SQLBuffer</a>&nbsp;sql)</code>
<div class="block">This method is to provide override for non-JDBC or JDBC-like
implementation of executing query.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected <a href="http://download.oracle.com/javase/6/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../../../org/apache/openjpa/jdbc/sql/SQLBuffer.html" title="class in org.apache.openjpa.jdbc.sql">SQLBuffer</a>&gt;</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/jdbc/kernel/PessimisticLockManager.html#getLockRows(org.apache.openjpa.jdbc.sql.DBDictionary,%20java.lang.Object,%20org.apache.openjpa.jdbc.meta.ClassMapping,%20org.apache.openjpa.jdbc.kernel.JDBCFetchConfiguration,%20org.apache.openjpa.jdbc.sql.SQLFactory)">getLockRows</a></strong>(<a href="../../../../../org/apache/openjpa/jdbc/sql/DBDictionary.html" title="class in org.apache.openjpa.jdbc.sql">DBDictionary</a>&nbsp;dict,
<a href="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&nbsp;id,
<a href="../../../../../org/apache/openjpa/jdbc/meta/ClassMapping.html" title="class in org.apache.openjpa.jdbc.meta">ClassMapping</a>&nbsp;mapping,
<a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCFetchConfiguration.html" title="interface in org.apache.openjpa.jdbc.kernel">JDBCFetchConfiguration</a>&nbsp;fetch,
<a href="../../../../../org/apache/openjpa/jdbc/sql/SQLFactory.html" title="interface in org.apache.openjpa.jdbc.sql">SQLFactory</a>&nbsp;factory)</code>&nbsp;</td>
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<tr class="rowColor">
<td class="colFirst"><code><a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCStore.html" title="interface in org.apache.openjpa.jdbc.kernel">JDBCStore</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/jdbc/kernel/PessimisticLockManager.html#getStore()">getStore</a></strong>()</code>&nbsp;</td>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/jdbc/kernel/PessimisticLockManager.html#loadedForUpdate(org.apache.openjpa.kernel.OpenJPAStateManager)">loadedForUpdate</a></strong>(<a href="../../../../../org/apache/openjpa/kernel/OpenJPAStateManager.html" title="interface in org.apache.openjpa.kernel">OpenJPAStateManager</a>&nbsp;sm)</code>
<div class="block">Notification that the given instance was loaded via a result set
produced by a FOR UPDATE select.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/jdbc/kernel/PessimisticLockManager.html#lockInternal(org.apache.openjpa.kernel.OpenJPAStateManager,%20int,%20int,%20java.lang.Object,%20boolean)">lockInternal</a></strong>(<a href="../../../../../org/apache/openjpa/kernel/OpenJPAStateManager.html" title="interface in org.apache.openjpa.kernel">OpenJPAStateManager</a>&nbsp;sm,
int&nbsp;level,
int&nbsp;timeout,
<a href="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&nbsp;sdata,
boolean&nbsp;postVersionCheck)</code>
<div class="block">Marks the instance's transactional status in accordance with
the settings of <a href="../../../../../org/apache/openjpa/kernel/VersionLockManager.html#getVersionCheckOnReadLock()"><code>VersionLockManager.getVersionCheckOnReadLock()</code></a>
and <a href="../../../../../org/apache/openjpa/kernel/VersionLockManager.html#getVersionUpdateOnWriteLock()"><code>VersionLockManager.getVersionUpdateOnWriteLock()</code></a>.</div>
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<tr class="altColor">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/jdbc/kernel/PessimisticLockManager.html#lockJoinTables(java.util.List,%20org.apache.openjpa.jdbc.sql.DBDictionary,%20java.lang.Object,%20org.apache.openjpa.jdbc.meta.ClassMapping,%20org.apache.openjpa.jdbc.kernel.JDBCFetchConfiguration,%20org.apache.openjpa.jdbc.sql.SQLFactory)">lockJoinTables</a></strong>(<a href="http://download.oracle.com/javase/6/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../../../org/apache/openjpa/jdbc/sql/SQLBuffer.html" title="class in org.apache.openjpa.jdbc.sql">SQLBuffer</a>&gt;&nbsp;sqls,
<a href="../../../../../org/apache/openjpa/jdbc/sql/DBDictionary.html" title="class in org.apache.openjpa.jdbc.sql">DBDictionary</a>&nbsp;dict,
<a href="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&nbsp;id,
<a href="../../../../../org/apache/openjpa/jdbc/meta/ClassMapping.html" title="class in org.apache.openjpa.jdbc.meta">ClassMapping</a>&nbsp;mapping,
<a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCFetchConfiguration.html" title="interface in org.apache.openjpa.jdbc.kernel">JDBCFetchConfiguration</a>&nbsp;fetch,
<a href="../../../../../org/apache/openjpa/jdbc/sql/SQLFactory.html" title="interface in org.apache.openjpa.jdbc.sql">SQLFactory</a>&nbsp;factory)</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected <a href="http://download.oracle.com/javase/6/docs/api/java/sql/PreparedStatement.html?is-external=true" title="class or interface in java.sql">PreparedStatement</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/jdbc/kernel/PessimisticLockManager.html#prepareStatement(java.sql.Connection,%20org.apache.openjpa.jdbc.sql.SQLBuffer)">prepareStatement</a></strong>(<a href="http://download.oracle.com/javase/6/docs/api/java/sql/Connection.html?is-external=true" title="class or interface in java.sql">Connection</a>&nbsp;conn,
<a href="../../../../../org/apache/openjpa/jdbc/sql/SQLBuffer.html" title="class in org.apache.openjpa.jdbc.sql">SQLBuffer</a>&nbsp;sql)</code>
<div class="block">This method is to provide override for non-JDBC or JDBC-like
implementation of preparing statement.</div>
</td>
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<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/jdbc/kernel/PessimisticLockManager.html#selectForUpdate(org.apache.openjpa.jdbc.sql.Select,%20int)">selectForUpdate</a></strong>(<a href="../../../../../org/apache/openjpa/jdbc/sql/Select.html" title="interface in org.apache.openjpa.jdbc.sql">Select</a>&nbsp;sel,
int&nbsp;lockLevel)</code>
<div class="block">Return whether to issue the given select FOR UPDATE, depending on
the capabilities of the dictionary and the fetch configuration.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/openjpa/jdbc/kernel/PessimisticLockManager.html#setContext(org.apache.openjpa.kernel.StoreContext)">setContext</a></strong>(<a href="../../../../../org/apache/openjpa/kernel/StoreContext.html" title="interface in org.apache.openjpa.kernel">StoreContext</a>&nbsp;ctx)</code>
<div class="block">Set the context this lock manager is associated with.</div>
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<h3>Methods inherited from class&nbsp;org.apache.openjpa.kernel.<a href="../../../../../org/apache/openjpa/kernel/VersionLockManager.html" title="class in org.apache.openjpa.kernel">VersionLockManager</a></h3>
<code><a href="../../../../../org/apache/openjpa/kernel/VersionLockManager.html#getLockLevel(org.apache.openjpa.kernel.OpenJPAStateManager)">getLockLevel</a>, <a href="../../../../../org/apache/openjpa/kernel/VersionLockManager.html#getVersionCheckOnReadLock()">getVersionCheckOnReadLock</a>, <a href="../../../../../org/apache/openjpa/kernel/VersionLockManager.html#getVersionUpdateOnWriteLock()">getVersionUpdateOnWriteLock</a>, <a href="../../../../../org/apache/openjpa/kernel/VersionLockManager.html#lock(org.apache.openjpa.kernel.OpenJPAStateManager,%20int,%20int,%20java.lang.Object)">lock</a>, <a href="../../../../../org/apache/openjpa/kernel/VersionLockManager.html#optimisticLockInternal(org.apache.openjpa.kernel.OpenJPAStateManager,%20int,%20int,%20java.lang.Object,%20boolean)">optimisticLockInternal</a>, <a href="../../../../../org/apache/openjpa/kernel/VersionLockManager.html#refreshLock(org.apache.openjpa.kernel.OpenJPAStateManager,%20int,%20int,%20java.lang.Object)">refreshLock</a>, <a href="../../../../../org/apache/openjpa/kernel/VersionLockManager.html#release(org.apache.openjpa.kernel.OpenJPAStateManager)">release</a>, <a href="../../../../../org/apache/openjpa/kernel/VersionLockManager.html#setLockLevel(org.apache.openjpa.kernel.OpenJPAStateManager,%20int)">setLockLevel</a>, <a href="../../../../../org/apache/openjpa/kernel/VersionLockManager.html#setVersionCheckOnReadLock(boolean)">setVersionCheckOnReadLock</a>, <a href="../../../../../org/apache/openjpa/kernel/VersionLockManager.html#setVersionUpdateOnWriteLock(boolean)">setVersionUpdateOnWriteLock</a></code></li>
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<h3>Methods inherited from class&nbsp;org.apache.openjpa.kernel.<a href="../../../../../org/apache/openjpa/kernel/AbstractLockManager.html" title="class in org.apache.openjpa.kernel">AbstractLockManager</a></h3>
<code><a href="../../../../../org/apache/openjpa/kernel/AbstractLockManager.html#beginTransaction()">beginTransaction</a>, <a href="../../../../../org/apache/openjpa/kernel/AbstractLockManager.html#close()">close</a>, <a href="../../../../../org/apache/openjpa/kernel/AbstractLockManager.html#endTransaction()">endTransaction</a>, <a href="../../../../../org/apache/openjpa/kernel/AbstractLockManager.html#getContext()">getContext</a>, <a href="../../../../../org/apache/openjpa/kernel/AbstractLockManager.html#lockAll(java.util.Collection,%20int,%20int,%20java.lang.Object)">lockAll</a>, <a href="../../../../../org/apache/openjpa/kernel/AbstractLockManager.html#skipRelationFieldLock()">skipRelationFieldLock</a></code></li>
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<h3>Methods inherited from class&nbsp;java.lang.<a href="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></h3>
<code><a href="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#clone()" title="class or interface in java.lang">clone</a>, <a href="http://download.oracle.com/javase/6/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://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#finalize()" title="class or interface in java.lang">finalize</a>, <a href="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#getClass()" title="class or interface in java.lang">getClass</a>, <a href="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#hashCode()" title="class or interface in java.lang">hashCode</a>, <a href="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#notify()" title="class or interface in java.lang">notify</a>, <a href="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#notifyAll()" title="class or interface in java.lang">notifyAll</a>, <a href="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#toString()" title="class or interface in java.lang">toString</a>, <a href="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#wait()" title="class or interface in java.lang">wait</a>, <a href="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#wait(long)" title="class or interface in java.lang">wait</a>, <a href="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#wait(long,%20int)" title="class or interface in java.lang">wait</a></code></li>
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<h3>Methods inherited from interface&nbsp;org.apache.openjpa.jdbc.kernel.<a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCLockManager.html" title="interface in org.apache.openjpa.jdbc.kernel">JDBCLockManager</a></h3>
<code><a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCLockManager.html#skipRelationFieldLock()">skipRelationFieldLock</a></code></li>
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<h3>Methods inherited from interface&nbsp;org.apache.openjpa.kernel.<a href="../../../../../org/apache/openjpa/kernel/LockManager.html" title="interface in org.apache.openjpa.kernel">LockManager</a></h3>
<code><a href="../../../../../org/apache/openjpa/kernel/LockManager.html#beginTransaction()">beginTransaction</a>, <a href="../../../../../org/apache/openjpa/kernel/LockManager.html#close()">close</a>, <a href="../../../../../org/apache/openjpa/kernel/LockManager.html#endTransaction()">endTransaction</a>, <a href="../../../../../org/apache/openjpa/kernel/LockManager.html#getLockLevel(org.apache.openjpa.kernel.OpenJPAStateManager)">getLockLevel</a>, <a href="../../../../../org/apache/openjpa/kernel/LockManager.html#lock(org.apache.openjpa.kernel.OpenJPAStateManager,%20int,%20int,%20java.lang.Object)">lock</a>, <a href="../../../../../org/apache/openjpa/kernel/LockManager.html#lockAll(java.util.Collection,%20int,%20int,%20java.lang.Object)">lockAll</a>, <a href="../../../../../org/apache/openjpa/kernel/LockManager.html#refreshLock(org.apache.openjpa.kernel.OpenJPAStateManager,%20int,%20int,%20java.lang.Object)">refreshLock</a>, <a href="../../../../../org/apache/openjpa/kernel/LockManager.html#release(org.apache.openjpa.kernel.OpenJPAStateManager)">release</a></code></li>
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<h3>Field Detail</h3>
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<h4>LOCK_DATASTORE_ONLY</h4>
<pre>public static final&nbsp;int LOCK_DATASTORE_ONLY</pre>
<dl><dt><span class="strong">See Also:</span></dt><dd><a href="../../../../../constant-values.html#org.apache.openjpa.jdbc.kernel.PessimisticLockManager.LOCK_DATASTORE_ONLY">Constant Field Values</a></dd></dl>
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<pre>protected&nbsp;<a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCStore.html" title="interface in org.apache.openjpa.jdbc.kernel">JDBCStore</a> _store</pre>
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<h4>PessimisticLockManager</h4>
<pre>public&nbsp;PessimisticLockManager()</pre>
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<pre>public&nbsp;void&nbsp;setContext(<a href="../../../../../org/apache/openjpa/kernel/StoreContext.html" title="interface in org.apache.openjpa.kernel">StoreContext</a>&nbsp;ctx)</pre>
<div class="block"><strong>Description copied from interface:&nbsp;<code><a href="../../../../../org/apache/openjpa/kernel/LockManager.html#setContext(org.apache.openjpa.kernel.StoreContext)">LockManager</a></code></strong></div>
<div class="block">Set the context this lock manager is associated with.
This will be invoked in the lock manager before any other methods are
called.</div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../../../org/apache/openjpa/kernel/LockManager.html#setContext(org.apache.openjpa.kernel.StoreContext)">setContext</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/openjpa/kernel/LockManager.html" title="interface in org.apache.openjpa.kernel">LockManager</a></code></dd>
<dt><strong>Overrides:</strong></dt>
<dd><code><a href="../../../../../org/apache/openjpa/kernel/AbstractLockManager.html#setContext(org.apache.openjpa.kernel.StoreContext)">setContext</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../org/apache/openjpa/kernel/AbstractLockManager.html" title="class in org.apache.openjpa.kernel">AbstractLockManager</a></code></dd>
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<pre>public&nbsp;boolean&nbsp;selectForUpdate(<a href="../../../../../org/apache/openjpa/jdbc/sql/Select.html" title="interface in org.apache.openjpa.jdbc.sql">Select</a>&nbsp;sel,
int&nbsp;lockLevel)</pre>
<div class="block"><strong>Description copied from interface:&nbsp;<code><a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCLockManager.html#selectForUpdate(org.apache.openjpa.jdbc.sql.Select,%20int)">JDBCLockManager</a></code></strong></div>
<div class="block">Return whether to issue the given select FOR UPDATE, depending on
the capabilities of the dictionary and the fetch configuration.</div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCLockManager.html#selectForUpdate(org.apache.openjpa.jdbc.sql.Select,%20int)">selectForUpdate</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCLockManager.html" title="interface in org.apache.openjpa.jdbc.kernel">JDBCLockManager</a></code></dd>
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<pre>public&nbsp;void&nbsp;loadedForUpdate(<a href="../../../../../org/apache/openjpa/kernel/OpenJPAStateManager.html" title="interface in org.apache.openjpa.kernel">OpenJPAStateManager</a>&nbsp;sm)</pre>
<div class="block"><strong>Description copied from interface:&nbsp;<code><a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCLockManager.html#loadedForUpdate(org.apache.openjpa.kernel.OpenJPAStateManager)">JDBCLockManager</a></code></strong></div>
<div class="block">Notification that the given instance was loaded via a result set
produced by a FOR UPDATE select.</div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCLockManager.html#loadedForUpdate(org.apache.openjpa.kernel.OpenJPAStateManager)">loadedForUpdate</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCLockManager.html" title="interface in org.apache.openjpa.jdbc.kernel">JDBCLockManager</a></code></dd>
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<h4>lockInternal</h4>
<pre>protected&nbsp;void&nbsp;lockInternal(<a href="../../../../../org/apache/openjpa/kernel/OpenJPAStateManager.html" title="interface in org.apache.openjpa.kernel">OpenJPAStateManager</a>&nbsp;sm,
int&nbsp;level,
int&nbsp;timeout,
<a href="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&nbsp;sdata,
boolean&nbsp;postVersionCheck)</pre>
<div class="block"><strong>Description copied from class:&nbsp;<code><a href="../../../../../org/apache/openjpa/kernel/VersionLockManager.html#lockInternal(org.apache.openjpa.kernel.OpenJPAStateManager,%20int,%20int,%20java.lang.Object,%20boolean)">VersionLockManager</a></code></strong></div>
<div class="block">Marks the instance's transactional status in accordance with
the settings of <a href="../../../../../org/apache/openjpa/kernel/VersionLockManager.html#getVersionCheckOnReadLock()"><code>VersionLockManager.getVersionCheckOnReadLock()</code></a>
and <a href="../../../../../org/apache/openjpa/kernel/VersionLockManager.html#getVersionUpdateOnWriteLock()"><code>VersionLockManager.getVersionUpdateOnWriteLock()</code></a>. Override to perform
additional locking.</div>
<dl>
<dt><strong>Overrides:</strong></dt>
<dd><code><a href="../../../../../org/apache/openjpa/kernel/VersionLockManager.html#lockInternal(org.apache.openjpa.kernel.OpenJPAStateManager,%20int,%20int,%20java.lang.Object,%20boolean)">lockInternal</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../org/apache/openjpa/kernel/VersionLockManager.html" title="class in org.apache.openjpa.kernel">VersionLockManager</a></code></dd>
<dt><span class="strong">See Also:</span></dt><dd><a href="../../../../../org/apache/openjpa/kernel/StoreContext.html#transactional(java.lang.Object,%20boolean,%20org.apache.openjpa.kernel.OpCallbacks)"><code>StoreContext.transactional(java.lang.Object, boolean, org.apache.openjpa.kernel.OpCallbacks)</code></a></dd></dl>
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<pre>protected&nbsp;<a href="http://download.oracle.com/javase/6/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../../../org/apache/openjpa/jdbc/sql/SQLBuffer.html" title="class in org.apache.openjpa.jdbc.sql">SQLBuffer</a>&gt;&nbsp;getLockRows(<a href="../../../../../org/apache/openjpa/jdbc/sql/DBDictionary.html" title="class in org.apache.openjpa.jdbc.sql">DBDictionary</a>&nbsp;dict,
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<a href="../../../../../org/apache/openjpa/jdbc/sql/SQLFactory.html" title="interface in org.apache.openjpa.jdbc.sql">SQLFactory</a>&nbsp;factory)</pre>
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<pre>protected&nbsp;void&nbsp;lockJoinTables(<a href="http://download.oracle.com/javase/6/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../../../org/apache/openjpa/jdbc/sql/SQLBuffer.html" title="class in org.apache.openjpa.jdbc.sql">SQLBuffer</a>&gt;&nbsp;sqls,
<a href="../../../../../org/apache/openjpa/jdbc/sql/DBDictionary.html" title="class in org.apache.openjpa.jdbc.sql">DBDictionary</a>&nbsp;dict,
<a href="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&nbsp;id,
<a href="../../../../../org/apache/openjpa/jdbc/meta/ClassMapping.html" title="class in org.apache.openjpa.jdbc.meta">ClassMapping</a>&nbsp;mapping,
<a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCFetchConfiguration.html" title="interface in org.apache.openjpa.jdbc.kernel">JDBCFetchConfiguration</a>&nbsp;fetch,
<a href="../../../../../org/apache/openjpa/jdbc/sql/SQLFactory.html" title="interface in org.apache.openjpa.jdbc.sql">SQLFactory</a>&nbsp;factory)</pre>
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<pre>public&nbsp;<a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCStore.html" title="interface in org.apache.openjpa.jdbc.kernel">JDBCStore</a>&nbsp;getStore()</pre>
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<pre>protected&nbsp;<a href="http://download.oracle.com/javase/6/docs/api/java/sql/PreparedStatement.html?is-external=true" title="class or interface in java.sql">PreparedStatement</a>&nbsp;prepareStatement(<a href="http://download.oracle.com/javase/6/docs/api/java/sql/Connection.html?is-external=true" title="class or interface in java.sql">Connection</a>&nbsp;conn,
<a href="../../../../../org/apache/openjpa/jdbc/sql/SQLBuffer.html" title="class in org.apache.openjpa.jdbc.sql">SQLBuffer</a>&nbsp;sql)
throws <a href="http://download.oracle.com/javase/6/docs/api/java/sql/SQLException.html?is-external=true" title="class or interface in java.sql">SQLException</a></pre>
<div class="block">This method is to provide override for non-JDBC or JDBC-like
implementation of preparing statement.</div>
<dl><dt><span class="strong">Throws:</span></dt>
<dd><code><a href="http://download.oracle.com/javase/6/docs/api/java/sql/SQLException.html?is-external=true" title="class or interface in java.sql">SQLException</a></code></dd></dl>
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<pre>protected&nbsp;<a href="http://download.oracle.com/javase/6/docs/api/java/sql/ResultSet.html?is-external=true" title="class or interface in java.sql">ResultSet</a>&nbsp;executeQuery(<a href="http://download.oracle.com/javase/6/docs/api/java/sql/Connection.html?is-external=true" title="class or interface in java.sql">Connection</a>&nbsp;conn,
<a href="http://download.oracle.com/javase/6/docs/api/java/sql/PreparedStatement.html?is-external=true" title="class or interface in java.sql">PreparedStatement</a>&nbsp;stmnt,
<a href="../../../../../org/apache/openjpa/jdbc/sql/SQLBuffer.html" title="class in org.apache.openjpa.jdbc.sql">SQLBuffer</a>&nbsp;sql)
throws <a href="http://download.oracle.com/javase/6/docs/api/java/sql/SQLException.html?is-external=true" title="class or interface in java.sql">SQLException</a></pre>
<div class="block">This method is to provide override for non-JDBC or JDBC-like
implementation of executing query.</div>
<dl><dt><span class="strong">Throws:</span></dt>
<dd><code><a href="http://download.oracle.com/javase/6/docs/api/java/sql/SQLException.html?is-external=true" title="class or interface in java.sql">SQLException</a></code></dd></dl>
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<pre>protected&nbsp;void&nbsp;checkLock(<a href="http://download.oracle.com/javase/6/docs/api/java/sql/ResultSet.html?is-external=true" title="class or interface in java.sql">ResultSet</a>&nbsp;rs,
<a href="../../../../../org/apache/openjpa/kernel/OpenJPAStateManager.html" title="interface in org.apache.openjpa.kernel">OpenJPAStateManager</a>&nbsp;sm,
int&nbsp;timeout)
throws <a href="http://download.oracle.com/javase/6/docs/api/java/sql/SQLException.html?is-external=true" title="class or interface in java.sql">SQLException</a></pre>
<div class="block">This method is to provide override for non-JDBC or JDBC-like
implementation of checking lock from the result set.</div>
<dl><dt><span class="strong">Throws:</span></dt>
<dd><code><a href="http://download.oracle.com/javase/6/docs/api/java/sql/SQLException.html?is-external=true" title="class or interface in java.sql">SQLException</a></code></dd></dl>
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