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|  | <li>Summary: </li> | 
|  | <li>Nested | </li> | 
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|  | <div class="subTitle">org.apache.openjpa.kernel</div> | 
|  | <h2 title="Class NoneLockManager" class="title">Class NoneLockManager</h2> | 
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|  | <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>org.apache.openjpa.kernel.NoneLockManager</li> | 
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|  | <div class="description"> | 
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|  | <dl> | 
|  | <dt>All Implemented Interfaces:</dt> | 
|  | <dd><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> | 
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|  | <pre>public class <span class="typeNameLabel">NoneLockManager</span> | 
|  | extends <a href="../../../../org/apache/openjpa/kernel/AbstractLockManager.html" title="class in org.apache.openjpa.kernel">AbstractLockManager</a></pre> | 
|  | <div class="block">A lock manager that does not perform any locking.</div> | 
|  | <dl> | 
|  | <dt><span class="simpleTagLabel">Author:</span></dt> | 
|  | <dd>Marc Prud'hommeaux</dd> | 
|  | </dl> | 
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|  | <h3>Fields inherited from class 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 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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|  | <td class="colOne"><code><span class="memberNameLink"><a href="../../../../org/apache/openjpa/kernel/NoneLockManager.html#NoneLockManager--">NoneLockManager</a></span>()</code> </td> | 
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|  | <tr> | 
|  | <th class="colFirst" scope="col">Modifier and Type</th> | 
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|  | </tr> | 
|  | <tr id="i0" class="altColor"> | 
|  | <td class="colFirst"><code>int</code></td> | 
|  | <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/openjpa/kernel/NoneLockManager.html#getLockLevel-org.apache.openjpa.kernel.OpenJPAStateManager-">getLockLevel</a></span>(<a href="../../../../org/apache/openjpa/kernel/OpenJPAStateManager.html" title="interface in org.apache.openjpa.kernel">OpenJPAStateManager</a> sm)</code> | 
|  | <div class="block">Return the lock level of the specified instance, or | 
|  | <a href="../../../../org/apache/openjpa/kernel/LockLevels.html#LOCK_NONE"><code>LockLevels.LOCK_NONE</code></a> if not locked.</div> | 
|  | </td> | 
|  | </tr> | 
|  | <tr id="i1" class="rowColor"> | 
|  | <td class="colFirst"><code>void</code></td> | 
|  | <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/openjpa/kernel/NoneLockManager.html#lock-org.apache.openjpa.kernel.OpenJPAStateManager-int-int-java.lang.Object-">lock</a></span>(<a href="../../../../org/apache/openjpa/kernel/OpenJPAStateManager.html" title="interface in org.apache.openjpa.kernel">OpenJPAStateManager</a> sm, | 
|  | int level, | 
|  | int timeout, | 
|  | <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> context)</code> | 
|  | <div class="block">Obtain a lock on the specified object.</div> | 
|  | </td> | 
|  | </tr> | 
|  | <tr id="i2" class="altColor"> | 
|  | <td class="colFirst"><code>void</code></td> | 
|  | <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/openjpa/kernel/NoneLockManager.html#refreshLock-org.apache.openjpa.kernel.OpenJPAStateManager-int-int-java.lang.Object-">refreshLock</a></span>(<a href="../../../../org/apache/openjpa/kernel/OpenJPAStateManager.html" title="interface in org.apache.openjpa.kernel">OpenJPAStateManager</a> sm, | 
|  | int level, | 
|  | int timeout, | 
|  | <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> context)</code> | 
|  | <div class="block">Perform the same function as previous lock method and has the option | 
|  | to perform a version check after the lock function has completed.</div> | 
|  | </td> | 
|  | </tr> | 
|  | <tr id="i3" class="rowColor"> | 
|  | <td class="colFirst"><code>void</code></td> | 
|  | <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/openjpa/kernel/NoneLockManager.html#release-org.apache.openjpa.kernel.OpenJPAStateManager-">release</a></span>(<a href="../../../../org/apache/openjpa/kernel/OpenJPAStateManager.html" title="interface in org.apache.openjpa.kernel">OpenJPAStateManager</a> sm)</code> | 
|  | <div class="block">Release the lock on the given object.</div> | 
|  | </td> | 
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|  | <h3>Methods inherited from class 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-int-int-java.lang.Object-">lockAll</a>, <a href="../../../../org/apache/openjpa/kernel/AbstractLockManager.html#setContext-org.apache.openjpa.kernel.StoreContext-">setContext</a>, <a href="../../../../org/apache/openjpa/kernel/AbstractLockManager.html#skipRelationFieldLock--">skipRelationFieldLock</a></code></li> | 
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|  | <h3>Constructor Detail</h3> | 
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|  | <h4>NoneLockManager</h4> | 
|  | <pre>public NoneLockManager()</pre> | 
|  | </li> | 
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|  | <h3>Method Detail</h3> | 
|  | <a name="lock-org.apache.openjpa.kernel.OpenJPAStateManager-int-int-java.lang.Object-"> | 
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|  | <h4>lock</h4> | 
|  | <pre>public void lock(<a href="../../../../org/apache/openjpa/kernel/OpenJPAStateManager.html" title="interface in org.apache.openjpa.kernel">OpenJPAStateManager</a> sm, | 
|  | int level, | 
|  | int timeout, | 
|  | <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> context)</pre> | 
|  | <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../org/apache/openjpa/kernel/LockManager.html#lock-org.apache.openjpa.kernel.OpenJPAStateManager-int-int-java.lang.Object-">LockManager</a></code></span></div> | 
|  | <div class="block">Obtain a lock on the specified object. This method may be called when | 
|  | a user explicitly locks an object, and is also called automatically | 
|  | for every object accessed during a transaction. The implementation | 
|  | must track already-locked objects, and must be optimized to return | 
|  | quickly when the given object does not need additional locking. | 
|  | The lock manager might use the state manager's lock object for | 
|  | bookkeeping information.</div> | 
|  | <dl> | 
|  | <dt><span class="paramLabel">Parameters:</span></dt> | 
|  | <dd><code>sm</code> - the object to lock</dd> | 
|  | <dd><code>level</code> - one of the lock constants defined in <a href="../../../../org/apache/openjpa/kernel/LockLevels.html" title="interface in org.apache.openjpa.kernel"><code>LockLevels</code></a>, | 
|  | or a custom level</dd> | 
|  | <dd><code>timeout</code> - the timeout in milliseconds, or a negative number for | 
|  | no timeout</dd> | 
|  | <dd><code>context</code> - the context information passed from the store manager | 
|  | to the persistence context, if any; lock managers | 
|  | specific to a certain back end may be able to take | 
|  | advantage of this; others should ignore it</dd> | 
|  | <dt><span class="seeLabel">See Also:</span></dt> | 
|  | <dd><a href="../../../../org/apache/openjpa/kernel/OpenJPAStateManager.html#setLock-java.lang.Object-"><code>OpenJPAStateManager.setLock(java.lang.Object)</code></a></dd> | 
|  | </dl> | 
|  | </li> | 
|  | </ul> | 
|  | <a name="refreshLock-org.apache.openjpa.kernel.OpenJPAStateManager-int-int-java.lang.Object-"> | 
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|  | <h4>refreshLock</h4> | 
|  | <pre>public void refreshLock(<a href="../../../../org/apache/openjpa/kernel/OpenJPAStateManager.html" title="interface in org.apache.openjpa.kernel">OpenJPAStateManager</a> sm, | 
|  | int level, | 
|  | int timeout, | 
|  | <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> context)</pre> | 
|  | <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../org/apache/openjpa/kernel/LockManager.html#refreshLock-org.apache.openjpa.kernel.OpenJPAStateManager-int-int-java.lang.Object-">LockManager</a></code></span></div> | 
|  | <div class="block">Perform the same function as previous lock method and has the option | 
|  | to perform a version check after the lock function has completed.</div> | 
|  | </li> | 
|  | </ul> | 
|  | <a name="release-org.apache.openjpa.kernel.OpenJPAStateManager-"> | 
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|  | <h4>release</h4> | 
|  | <pre>public void release(<a href="../../../../org/apache/openjpa/kernel/OpenJPAStateManager.html" title="interface in org.apache.openjpa.kernel">OpenJPAStateManager</a> sm)</pre> | 
|  | <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../org/apache/openjpa/kernel/LockManager.html#release-org.apache.openjpa.kernel.OpenJPAStateManager-">LockManager</a></code></span></div> | 
|  | <div class="block">Release the lock on the given object. This method will be called | 
|  | automatically for each state manager with a lock object set on | 
|  | transaction completion, just before the call to <a href="../../../../org/apache/openjpa/kernel/LockManager.html#endTransaction--"><code>LockManager.endTransaction()</code></a>. | 
|  | The lock manager should null the state manager's lock object. Note | 
|  | that some state manager may be garbage collected during a transaction; | 
|  | thus lock managers cannot rely on this method being called for every | 
|  | state manager.</div> | 
|  | <dl> | 
|  | <dt><span class="seeLabel">See Also:</span></dt> | 
|  | <dd><a href="../../../../org/apache/openjpa/kernel/OpenJPAStateManager.html#setLock-java.lang.Object-"><code>OpenJPAStateManager.setLock(java.lang.Object)</code></a></dd> | 
|  | </dl> | 
|  | </li> | 
|  | </ul> | 
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|  | <h4>getLockLevel</h4> | 
|  | <pre>public int getLockLevel(<a href="../../../../org/apache/openjpa/kernel/OpenJPAStateManager.html" title="interface in org.apache.openjpa.kernel">OpenJPAStateManager</a> sm)</pre> | 
|  | <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../org/apache/openjpa/kernel/LockManager.html#getLockLevel-org.apache.openjpa.kernel.OpenJPAStateManager-">LockManager</a></code></span></div> | 
|  | <div class="block">Return the lock level of the specified instance, or | 
|  | <a href="../../../../org/apache/openjpa/kernel/LockLevels.html#LOCK_NONE"><code>LockLevels.LOCK_NONE</code></a> if not locked.</div> | 
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