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 <div class="subTitle">org.apache.openjpa.datacache</div>
 <h2 title="Class AbstractDataCache" class="title">Class AbstractDataCache</h2>
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 <li><a href="../../../../org/apache/openjpa/lib/util/concurrent/AbstractConcurrentEventManager.html" title="class in org.apache.openjpa.lib.util.concurrent">org.apache.openjpa.lib.util.concurrent.AbstractConcurrentEventManager</a></li>
 <li>
 <ul class="inheritance">
 <li>org.apache.openjpa.datacache.AbstractDataCache</li>
 </ul>
 </li>
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 </li>
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 <div class="description">
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 <dl>
 <dt>All Implemented Interfaces:</dt>
 <dd><a href="http://download.oracle.com/javase/6/docs/api/java/io/Serializable.html?is-external=true" title="class or interface in java.io">Serializable</a>, <a href="../../../../org/apache/openjpa/datacache/DataCache.html" title="interface in org.apache.openjpa.datacache">DataCache</a>, <a href="../../../../org/apache/openjpa/lib/conf/Configurable.html" title="interface in org.apache.openjpa.lib.conf">Configurable</a>, <a href="../../../../org/apache/openjpa/lib/util/Clearable.html" title="interface in org.apache.openjpa.lib.util">Clearable</a>, <a href="../../../../org/apache/openjpa/lib/util/Closeable.html" title="interface in org.apache.openjpa.lib.util">Closeable</a>, <a href="../../../../org/apache/openjpa/lib/util/EventManager.html" title="interface in org.apache.openjpa.lib.util">EventManager</a></dd>
 </dl>
 <dl>
 <dt>Direct Known Subclasses:</dt>
 <dd><a href="../../../../org/apache/openjpa/datacache/ConcurrentDataCache.html" title="class in org.apache.openjpa.datacache">ConcurrentDataCache</a></dd>
 </dl>
 <hr>
 <br>
 <pre>public abstract class <span class="strong">AbstractDataCache</span>
 extends <a href="../../../../org/apache/openjpa/lib/util/concurrent/AbstractConcurrentEventManager.html" title="class in org.apache.openjpa.lib.util.concurrent">AbstractConcurrentEventManager</a>
 implements <a href="../../../../org/apache/openjpa/datacache/DataCache.html" title="interface in org.apache.openjpa.datacache">DataCache</a>, <a href="../../../../org/apache/openjpa/lib/conf/Configurable.html" title="interface in org.apache.openjpa.lib.conf">Configurable</a></pre>
 <div class="block">Abstract <a href="../../../../org/apache/openjpa/datacache/DataCache.html" title="interface in org.apache.openjpa.datacache"><code>DataCache</code></a> implementation that provides various
  statistics, logging, and timeout functionality common across cache
  implementations.</div>
 <dl><dt><span class="strong">Author:</span></dt>
   <dd>Patrick Linskey, Abe White</dd>
 <dt><span class="strong">See Also:</span></dt><dd><a href="../../../../serialized-form.html#org.apache.openjpa.datacache.AbstractDataCache">Serialized Form</a></dd></dl>
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 <table class="overviewSummary" 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>protected boolean</code></td>
 <td class="colLast"><code><strong><a href="../../../../org/apache/openjpa/datacache/AbstractDataCache.html#_evictOnBulkUpdate">_evictOnBulkUpdate</a></strong></code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>protected <a href="http://download.oracle.com/javase/6/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</a>&lt;<a href="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&gt;</code></td>
 <td class="colLast"><code><strong><a href="../../../../org/apache/openjpa/datacache/AbstractDataCache.html#_excludedTypes">_excludedTypes</a></strong></code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>protected <a href="http://download.oracle.com/javase/6/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</a>&lt;<a href="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&gt;</code></td>
 <td class="colLast"><code><strong><a href="../../../../org/apache/openjpa/datacache/AbstractDataCache.html#_includedTypes">_includedTypes</a></strong></code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>protected <a href="../../../../org/apache/openjpa/datacache/CacheStatisticsSPI.html" title="interface in org.apache.openjpa.datacache">CacheStatisticsSPI</a></code></td>
 <td class="colLast"><code><strong><a href="../../../../org/apache/openjpa/datacache/AbstractDataCache.html#_stats">_stats</a></strong></code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>protected <a href="../../../../org/apache/openjpa/conf/OpenJPAConfiguration.html" title="interface in org.apache.openjpa.conf">OpenJPAConfiguration</a></code></td>
 <td class="colLast"><code><strong><a href="../../../../org/apache/openjpa/datacache/AbstractDataCache.html#conf">conf</a></strong></code>
 <div class="block">The configuration set by the system.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>protected <a href="../../../../org/apache/openjpa/lib/log/Log.html" title="interface in org.apache.openjpa.lib.log">Log</a></code></td>
 <td class="colLast"><code><strong><a href="../../../../org/apache/openjpa/datacache/AbstractDataCache.html#log">log</a></strong></code>
 <div class="block">The log to use.</div>
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 <!--   -->
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 <h3>Fields inherited from class&nbsp;org.apache.openjpa.lib.util.concurrent.<a href="../../../../org/apache/openjpa/lib/util/concurrent/AbstractConcurrentEventManager.html" title="class in org.apache.openjpa.lib.util.concurrent">AbstractConcurrentEventManager</a></h3>
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 <ul class="blockList">
 <li class="blockList"><a name="fields_inherited_from_class_org.apache.openjpa.datacache.DataCache">
 <!--   -->
 </a>
 <h3>Fields inherited from interface&nbsp;org.apache.openjpa.datacache.<a href="../../../../org/apache/openjpa/datacache/DataCache.html" title="interface in org.apache.openjpa.datacache">DataCache</a></h3>
 <code><a href="../../../../org/apache/openjpa/datacache/DataCache.html#NAME_DEFAULT">NAME_DEFAULT</a></code></li>
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 <caption><span>Constructors</span><span class="tabEnd">&nbsp;</span></caption>
 <tr>
 <th class="colOne" scope="col">Constructor and Description</th>
 </tr>
 <tr class="altColor">
 <td class="colOne"><code><strong><a href="../../../../org/apache/openjpa/datacache/AbstractDataCache.html#AbstractDataCache()">AbstractDataCache</a></strong>()</code>&nbsp;</td>
 </tr>
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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>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><strong><a href="../../../../org/apache/openjpa/datacache/AbstractDataCache.html#addExpirationListener(org.apache.openjpa.datacache.ExpirationListener)">addExpirationListener</a></strong>(<a href="../../../../org/apache/openjpa/datacache/ExpirationListener.html" title="interface in org.apache.openjpa.datacache">ExpirationListener</a>&nbsp;listen)</code>
 <div class="block">Add a new expiration event listener to this cache.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><strong><a href="../../../../org/apache/openjpa/datacache/AbstractDataCache.html#afterCommit(org.apache.openjpa.event.RemoteCommitEvent)">afterCommit</a></strong>(<a href="../../../../org/apache/openjpa/event/RemoteCommitEvent.html" title="class in org.apache.openjpa.event">RemoteCommitEvent</a>&nbsp;event)</code>
 <div class="block">This method is part of the <a href="../../../../org/apache/openjpa/event/RemoteCommitListener.html" title="interface in org.apache.openjpa.event"><code>RemoteCommitListener</code></a> interface.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><strong><a href="../../../../org/apache/openjpa/datacache/AbstractDataCache.html#clear()">clear</a></strong>()</code>
 <div class="block">Remove all data from this cache.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>protected abstract void</code></td>
 <td class="colLast"><code><strong><a href="../../../../org/apache/openjpa/datacache/AbstractDataCache.html#clearInternal()">clearInternal</a></strong>()</code>
 <div class="block">Clear the cache.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><strong><a href="../../../../org/apache/openjpa/datacache/AbstractDataCache.html#close()">close</a></strong>()</code>
 <div class="block">Free the resources used by this cache.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>protected void</code></td>
 <td class="colLast"><code><strong><a href="../../../../org/apache/openjpa/datacache/AbstractDataCache.html#close(boolean)">close</a></strong>(boolean&nbsp;clear)</code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><strong><a href="../../../../org/apache/openjpa/datacache/AbstractDataCache.html#commit(java.util.Collection,%20java.util.Collection,%20java.util.Collection,%20java.util.Collection)">commit</a></strong>(<a href="http://download.oracle.com/javase/6/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a>&lt;<a href="../../../../org/apache/openjpa/datacache/DataCachePCData.html" title="interface in org.apache.openjpa.datacache">DataCachePCData</a>&gt;&nbsp;additions,
       <a href="http://download.oracle.com/javase/6/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a>&lt;<a href="../../../../org/apache/openjpa/datacache/DataCachePCData.html" title="interface in org.apache.openjpa.datacache">DataCachePCData</a>&gt;&nbsp;newUpdates,
       <a href="http://download.oracle.com/javase/6/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a>&lt;<a href="../../../../org/apache/openjpa/datacache/DataCachePCData.html" title="interface in org.apache.openjpa.datacache">DataCachePCData</a>&gt;&nbsp;existingUpdates,
       <a href="http://download.oracle.com/javase/6/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a>&lt;<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>&gt;&nbsp;deletes)</code>
 <div class="block">Perform a batch update of the cache.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>boolean</code></td>
 <td class="colLast"><code><strong><a href="../../../../org/apache/openjpa/datacache/AbstractDataCache.html#contains(java.lang.Object)">contains</a></strong>(<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;key)</code>
 <div class="block">Returns <code>true</code> if this cache contains data
  corresponding to <code>oid</code>; otherwise returns
  <code>false</code>.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code><a href="http://download.oracle.com/javase/6/docs/api/java/util/BitSet.html?is-external=true" title="class or interface in java.util">BitSet</a></code></td>
 <td class="colLast"><code><strong><a href="../../../../org/apache/openjpa/datacache/AbstractDataCache.html#containsAll(java.util.Collection)">containsAll</a></strong>(<a href="http://download.oracle.com/javase/6/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a>&lt;<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>&gt;&nbsp;keys)</code>
 <div class="block">Returns the indexes of the oids in this cache.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><strong><a href="../../../../org/apache/openjpa/datacache/AbstractDataCache.html#endConfiguration()">endConfiguration</a></strong>()</code>
 <div class="block">Invoked upon completion of bean property configuration for this object.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>protected void</code></td>
 <td class="colLast"><code><strong><a href="../../../../org/apache/openjpa/datacache/AbstractDataCache.html#fireEvent(java.lang.Object,%20java.lang.Object)">fireEvent</a></strong>(<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;event,
          <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;listener)</code>
 <div class="block">Implement this method to fire the given event to the given listener.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code><a href="../../../../org/apache/openjpa/datacache/DataCachePCData.html" title="interface in org.apache.openjpa.datacache">DataCachePCData</a></code></td>
 <td class="colLast"><code><strong><a href="../../../../org/apache/openjpa/datacache/AbstractDataCache.html#get(java.lang.Object)">get</a></strong>(<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;key)</code>
 <div class="block">Return the cached object for the given oid.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code><a href="http://download.oracle.com/javase/6/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a>&lt;<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>,<a href="../../../../org/apache/openjpa/datacache/DataCachePCData.html" title="interface in org.apache.openjpa.datacache">DataCachePCData</a>&gt;</code></td>
 <td class="colLast"><code><strong><a href="../../../../org/apache/openjpa/datacache/AbstractDataCache.html#getAll(java.util.List)">getAll</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="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&gt;&nbsp;keys)</code>
 <div class="block">Returns the objects for the given key List.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><strong><a href="../../../../org/apache/openjpa/datacache/AbstractDataCache.html#getEnableStatistics()">getEnableStatistics</a></strong>()</code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code><a href="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
 <td class="colLast"><code><strong><a href="../../../../org/apache/openjpa/datacache/AbstractDataCache.html#getEvictionSchedule()">getEvictionSchedule</a></strong>()</code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>boolean</code></td>
 <td class="colLast"><code><strong><a href="../../../../org/apache/openjpa/datacache/AbstractDataCache.html#getEvictOnBulkUpdate()">getEvictOnBulkUpdate</a></strong>()</code>
 <div class="block">Returns whether the the cache needs to be updated when bulk updates as executed.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code><a href="http://download.oracle.com/javase/6/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</a>&lt;<a href="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&gt;</code></td>
 <td class="colLast"><code><strong><a href="../../../../org/apache/openjpa/datacache/AbstractDataCache.html#getExcludedTypes()">getExcludedTypes</a></strong>()</code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>protected abstract <a href="../../../../org/apache/openjpa/datacache/DataCachePCData.html" title="interface in org.apache.openjpa.datacache">DataCachePCData</a></code></td>
 <td class="colLast"><code><strong><a href="../../../../org/apache/openjpa/datacache/AbstractDataCache.html#getInternal(java.lang.Object)">getInternal</a></strong>(<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;oid)</code>
 <div class="block">Return the object for the given oid.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code><a href="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
 <td class="colLast"><code><strong><a href="../../../../org/apache/openjpa/datacache/AbstractDataCache.html#getName()">getName</a></strong>()</code>
 <div class="block">Returns a string name that can be used by end-user-visible
  code to identify this cache.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code><a href="../../../../org/apache/openjpa/datacache/DataCache.html" title="interface in org.apache.openjpa.datacache">DataCache</a></code></td>
 <td class="colLast"><code><strong><a href="../../../../org/apache/openjpa/datacache/AbstractDataCache.html#getPartition(java.lang.String,%20boolean)">getPartition</a></strong>(<a href="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name,
             boolean&nbsp;create)</code>
 <div class="block">Gets the named partition.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code><a href="http://download.oracle.com/javase/6/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</a>&lt;<a href="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&gt;</code></td>
 <td class="colLast"><code><strong><a href="../../../../org/apache/openjpa/datacache/AbstractDataCache.html#getPartitionNames()">getPartitionNames</a></strong>()</code>
 <div class="block">Gets the name of the known partitions.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code><a href="../../../../org/apache/openjpa/datacache/CacheStatistics.html" title="interface in org.apache.openjpa.datacache">CacheStatistics</a></code></td>
 <td class="colLast"><code><strong><a href="../../../../org/apache/openjpa/datacache/AbstractDataCache.html#getStatistics()">getStatistics</a></strong>()</code>
 <div class="block">Returns number of read/write request and cache hit ratio data.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code><a href="http://download.oracle.com/javase/6/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</a>&lt;<a href="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&gt;</code></td>
 <td class="colLast"><code><strong><a href="../../../../org/apache/openjpa/datacache/AbstractDataCache.html#getTypes()">getTypes</a></strong>()</code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><strong><a href="../../../../org/apache/openjpa/datacache/AbstractDataCache.html#initialize(org.apache.openjpa.datacache.DataCacheManager)">initialize</a></strong>(<a href="../../../../org/apache/openjpa/datacache/DataCacheManager.html" title="interface in org.apache.openjpa.datacache">DataCacheManager</a>&nbsp;manager)</code>
 <div class="block">Initialize any resources associated with the given
  <a href="../../../../org/apache/openjpa/datacache/DataCacheManager.html" title="interface in org.apache.openjpa.datacache"><code>DataCacheManager</code></a>.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>boolean</code></td>
 <td class="colLast"><code><strong><a href="../../../../org/apache/openjpa/datacache/AbstractDataCache.html#isClosed()">isClosed</a></strong>()</code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>boolean</code></td>
 <td class="colLast"><code><strong><a href="../../../../org/apache/openjpa/datacache/AbstractDataCache.html#isPartitioned()">isPartitioned</a></strong>()</code>
 <div class="block">Affirms if this cache maintains partitions.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>protected void</code></td>
 <td class="colLast"><code><strong><a href="../../../../org/apache/openjpa/datacache/AbstractDataCache.html#keyRemoved(java.lang.Object,%20boolean)">keyRemoved</a></strong>(<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;key,
           boolean&nbsp;expired)</code>
 <div class="block">Invoke when a key is removed from this cache.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>boolean</code></td>
 <td class="colLast"><code><strong><a href="../../../../org/apache/openjpa/datacache/AbstractDataCache.html#pin(java.lang.Object)">pin</a></strong>(<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;key)</code>
 <div class="block">Pin the value stored under <code>oid</code> into the cache.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><strong><a href="../../../../org/apache/openjpa/datacache/AbstractDataCache.html#pinAll(java.lang.Class,%20boolean)">pinAll</a></strong>(<a href="http://download.oracle.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>&lt;?&gt;&nbsp;cls,
       boolean&nbsp;subs)</code>
 <div class="block">Pin all oids for the given type.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code><a href="http://download.oracle.com/javase/6/docs/api/java/util/BitSet.html?is-external=true" title="class or interface in java.util">BitSet</a></code></td>
 <td class="colLast"><code><strong><a href="../../../../org/apache/openjpa/datacache/AbstractDataCache.html#pinAll(java.util.Collection)">pinAll</a></strong>(<a href="http://download.oracle.com/javase/6/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a>&lt;<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>&gt;&nbsp;keys)</code>
 <div class="block">Pin all oids to the cache.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>protected abstract boolean</code></td>
 <td class="colLast"><code><strong><a href="../../../../org/apache/openjpa/datacache/AbstractDataCache.html#pinInternal(java.lang.Object)">pinInternal</a></strong>(<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;oid)</code>
 <div class="block">Pin an object to the cache.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code><a href="../../../../org/apache/openjpa/datacache/DataCachePCData.html" title="interface in org.apache.openjpa.datacache">DataCachePCData</a></code></td>
 <td class="colLast"><code><strong><a href="../../../../org/apache/openjpa/datacache/AbstractDataCache.html#put(org.apache.openjpa.datacache.DataCachePCData)">put</a></strong>(<a href="../../../../org/apache/openjpa/datacache/DataCachePCData.html" title="interface in org.apache.openjpa.datacache">DataCachePCData</a>&nbsp;data)</code>
 <div class="block">Set the cached value for the given instance.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>protected void</code></td>
 <td class="colLast"><code><strong><a href="../../../../org/apache/openjpa/datacache/AbstractDataCache.html#putAllInternal(java.util.Collection)">putAllInternal</a></strong>(<a href="http://download.oracle.com/javase/6/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a>&lt;<a href="../../../../org/apache/openjpa/datacache/DataCachePCData.html" title="interface in org.apache.openjpa.datacache">DataCachePCData</a>&gt;&nbsp;pcs)</code>
 <div class="block">Add all of the given objects to the cache.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>protected abstract <a href="../../../../org/apache/openjpa/datacache/DataCachePCData.html" title="interface in org.apache.openjpa.datacache">DataCachePCData</a></code></td>
 <td class="colLast"><code><strong><a href="../../../../org/apache/openjpa/datacache/AbstractDataCache.html#putInternal(java.lang.Object,%20org.apache.openjpa.datacache.DataCachePCData)">putInternal</a></strong>(<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;oid,
            <a href="../../../../org/apache/openjpa/datacache/DataCachePCData.html" title="interface in org.apache.openjpa.datacache">DataCachePCData</a>&nbsp;pc)</code>
 <div class="block">Add the given object to the cache, returning the old object under the
  given oid.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>protected boolean</code></td>
 <td class="colLast"><code><strong><a href="../../../../org/apache/openjpa/datacache/AbstractDataCache.html#recacheUpdates()">recacheUpdates</a></strong>()</code>
 <div class="block">Return <code>true</code> if updates to data already in the
  cache (either in <a href="../../../../org/apache/openjpa/datacache/AbstractDataCache.html#commit(java.util.Collection,%20java.util.Collection,%20java.util.Collection,%20java.util.Collection)"><code>commit(java.util.Collection&lt;org.apache.openjpa.datacache.DataCachePCData&gt;, java.util.Collection&lt;org.apache.openjpa.datacache.DataCachePCData&gt;, java.util.Collection&lt;org.apache.openjpa.datacache.DataCachePCData&gt;, java.util.Collection&lt;java.lang.Object&gt;)</code></a> or the <a href="../../../../org/apache/openjpa/datacache/AbstractDataCache.html#update(org.apache.openjpa.datacache.DataCachePCData)"><code>update(org.apache.openjpa.datacache.DataCachePCData)</code></a>)
  should be put back into the cache.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code><a href="../../../../org/apache/openjpa/datacache/DataCachePCData.html" title="interface in org.apache.openjpa.datacache">DataCachePCData</a></code></td>
 <td class="colLast"><code><strong><a href="../../../../org/apache/openjpa/datacache/AbstractDataCache.html#remove(java.lang.Object)">remove</a></strong>(<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;key)</code>
 <div class="block">Remove the value stored under the given oid.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><strong><a href="../../../../org/apache/openjpa/datacache/AbstractDataCache.html#removeAll(java.lang.Class,%20boolean)">removeAll</a></strong>(<a href="http://download.oracle.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>&lt;?&gt;&nbsp;cls,
          boolean&nbsp;subClasses)</code>
 <div class="block">Remove the objects of the given class from the cache.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code><a href="http://download.oracle.com/javase/6/docs/api/java/util/BitSet.html?is-external=true" title="class or interface in java.util">BitSet</a></code></td>
 <td class="colLast"><code><strong><a href="../../../../org/apache/openjpa/datacache/AbstractDataCache.html#removeAll(java.util.Collection)">removeAll</a></strong>(<a href="http://download.oracle.com/javase/6/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a>&lt;<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>&gt;&nbsp;keys)</code>
 <div class="block">Remove the values stored under the given oids.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>protected abstract void</code></td>
 <td class="colLast"><code><strong><a href="../../../../org/apache/openjpa/datacache/AbstractDataCache.html#removeAllInternal(java.lang.Class,%20boolean)">removeAllInternal</a></strong>(<a href="http://download.oracle.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>&lt;?&gt;&nbsp;cls,
                  boolean&nbsp;subclasses)</code>
 <div class="block">Evict objects in cache by class.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>protected void</code></td>
 <td class="colLast"><code><strong><a href="../../../../org/apache/openjpa/datacache/AbstractDataCache.html#removeAllInternal(java.util.Collection)">removeAllInternal</a></strong>(<a href="http://download.oracle.com/javase/6/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a>&lt;<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>&gt;&nbsp;oids)</code>
 <div class="block">Remove all objects under the given oids from the cache.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>protected void</code></td>
 <td class="colLast"><code><strong><a href="../../../../org/apache/openjpa/datacache/AbstractDataCache.html#removeAllTypeNamesInternal(java.util.Collection)">removeAllTypeNamesInternal</a></strong>(<a href="http://download.oracle.com/javase/6/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a>&lt;<a href="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&gt;&nbsp;classNames)</code>
 <div class="block">Remove all objects of the given class names from the cache.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>boolean</code></td>
 <td class="colLast"><code><strong><a href="../../../../org/apache/openjpa/datacache/AbstractDataCache.html#removeExpirationListener(org.apache.openjpa.datacache.ExpirationListener)">removeExpirationListener</a></strong>(<a href="../../../../org/apache/openjpa/datacache/ExpirationListener.html" title="interface in org.apache.openjpa.datacache">ExpirationListener</a>&nbsp;listen)</code>
 <div class="block">Remove an expiration event listener from this cache.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>protected abstract <a href="../../../../org/apache/openjpa/datacache/DataCachePCData.html" title="interface in org.apache.openjpa.datacache">DataCachePCData</a></code></td>
 <td class="colLast"><code><strong><a href="../../../../org/apache/openjpa/datacache/AbstractDataCache.html#removeInternal(java.lang.Object)">removeInternal</a></strong>(<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;oid)</code>
 <div class="block">Remove the object under the given oid from the cache.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code><a href="../../../../org/apache/openjpa/datacache/DataCache.html" title="interface in org.apache.openjpa.datacache">DataCache</a></code></td>
 <td class="colLast"><code><strong><a href="../../../../org/apache/openjpa/datacache/AbstractDataCache.html#selectCache(org.apache.openjpa.kernel.OpenJPAStateManager)">selectCache</a></strong>(<a href="../../../../org/apache/openjpa/kernel/OpenJPAStateManager.html" title="interface in org.apache.openjpa.kernel">OpenJPAStateManager</a>&nbsp;sm)</code>&nbsp;</td>
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 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><strong><a href="../../../../org/apache/openjpa/datacache/AbstractDataCache.html#setConfiguration(org.apache.openjpa.lib.conf.Configuration)">setConfiguration</a></strong>(<a href="../../../../org/apache/openjpa/lib/conf/Configuration.html" title="interface in org.apache.openjpa.lib.conf">Configuration</a>&nbsp;conf)</code>
 <div class="block">Invoked prior to setting bean properties.</div>
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 <tr class="rowColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><strong><a href="../../../../org/apache/openjpa/datacache/AbstractDataCache.html#setEnableStatistics(boolean)">setEnableStatistics</a></strong>(boolean&nbsp;enable)</code>&nbsp;</td>
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 <tr class="altColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><strong><a href="../../../../org/apache/openjpa/datacache/AbstractDataCache.html#setEvictionSchedule(java.lang.String)">setEvictionSchedule</a></strong>(<a href="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;s)</code>&nbsp;</td>
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 <tr class="rowColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><strong><a href="../../../../org/apache/openjpa/datacache/AbstractDataCache.html#setEvictOnBulkUpdate(boolean)">setEvictOnBulkUpdate</a></strong>(boolean&nbsp;b)</code>&nbsp;</td>
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 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><strong><a href="../../../../org/apache/openjpa/datacache/AbstractDataCache.html#setExcludedTypes(java.util.Set)">setExcludedTypes</a></strong>(<a href="http://download.oracle.com/javase/6/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</a>&lt;<a href="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&gt;&nbsp;types)</code>&nbsp;</td>
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 <tr class="rowColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><strong><a href="../../../../org/apache/openjpa/datacache/AbstractDataCache.html#setExcludedTypes(java.lang.String)">setExcludedTypes</a></strong>(<a href="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;types)</code>&nbsp;</td>
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 <tr class="altColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><strong><a href="../../../../org/apache/openjpa/datacache/AbstractDataCache.html#setName(java.lang.String)">setName</a></strong>(<a href="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name)</code>
 <div class="block">Sets a string name to be used to identify this cache to end-user needs.</div>
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 <tr class="rowColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><strong><a href="../../../../org/apache/openjpa/datacache/AbstractDataCache.html#setTypes(java.util.Set)">setTypes</a></strong>(<a href="http://download.oracle.com/javase/6/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</a>&lt;<a href="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&gt;&nbsp;types)</code>&nbsp;</td>
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 <tr class="altColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><strong><a href="../../../../org/apache/openjpa/datacache/AbstractDataCache.html#setTypes(java.lang.String)">setTypes</a></strong>(<a href="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;types)</code>&nbsp;</td>
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 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><strong><a href="../../../../org/apache/openjpa/datacache/AbstractDataCache.html#startConfiguration()">startConfiguration</a></strong>()</code>
 <div class="block">Invoked before bean property configuration is begun on this object.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code><a href="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
 <td class="colLast"><code><strong><a href="../../../../org/apache/openjpa/datacache/AbstractDataCache.html#toString()">toString</a></strong>()</code>&nbsp;</td>
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 <tr class="rowColor">
 <td class="colFirst"><code>boolean</code></td>
 <td class="colLast"><code><strong><a href="../../../../org/apache/openjpa/datacache/AbstractDataCache.html#unpin(java.lang.Object)">unpin</a></strong>(<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;key)</code>
 <div class="block">Unpin the value stored under <code>oid</code> from the cache.</div>
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 <tr class="altColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><strong><a href="../../../../org/apache/openjpa/datacache/AbstractDataCache.html#unpinAll(java.lang.Class,%20boolean)">unpinAll</a></strong>(<a href="http://download.oracle.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>&lt;?&gt;&nbsp;cls,
         boolean&nbsp;subs)</code>
 <div class="block">Unpin all oids associaed with the given type from the cache.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code><a href="http://download.oracle.com/javase/6/docs/api/java/util/BitSet.html?is-external=true" title="class or interface in java.util">BitSet</a></code></td>
 <td class="colLast"><code><strong><a href="../../../../org/apache/openjpa/datacache/AbstractDataCache.html#unpinAll(java.util.Collection)">unpinAll</a></strong>(<a href="http://download.oracle.com/javase/6/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a>&lt;<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>&gt;&nbsp;keys)</code>
 <div class="block">Unpin all oids from the cache.</div>
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 <td class="colFirst"><code>protected abstract boolean</code></td>
 <td class="colLast"><code><strong><a href="../../../../org/apache/openjpa/datacache/AbstractDataCache.html#unpinInternal(java.lang.Object)">unpinInternal</a></strong>(<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;oid)</code>
 <div class="block">Unpin an object from the cache.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><strong><a href="../../../../org/apache/openjpa/datacache/AbstractDataCache.html#update(org.apache.openjpa.datacache.DataCachePCData)">update</a></strong>(<a href="../../../../org/apache/openjpa/datacache/DataCachePCData.html" title="interface in org.apache.openjpa.datacache">DataCachePCData</a>&nbsp;data)</code>
 <div class="block">Update the cached value for the given instance.</div>
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 <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#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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 <div class="block">Returns a string name that can be used by end-user-visible
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 <dl>
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 <dd><code><a href="../../../../org/apache/openjpa/datacache/DataCache.html#getName()">getName</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../org/apache/openjpa/datacache/DataCache.html" title="interface in org.apache.openjpa.datacache">DataCache</a></code></dd>
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 <dd><code><a href="../../../../org/apache/openjpa/datacache/DataCache.html#setName(java.lang.String)">setName</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../org/apache/openjpa/datacache/DataCache.html" title="interface in org.apache.openjpa.datacache">DataCache</a></code></dd>
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 <div class="block"><strong>Description copied from interface:&nbsp;<code><a href="../../../../org/apache/openjpa/datacache/DataCache.html#initialize(org.apache.openjpa.datacache.DataCacheManager)">DataCache</a></code></strong></div>
 <div class="block">Initialize any resources associated with the given
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 <dl>
 <dt><strong>Specified by:</strong></dt>
 <dd><code><a href="../../../../org/apache/openjpa/datacache/DataCache.html#initialize(org.apache.openjpa.datacache.DataCacheManager)">initialize</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../org/apache/openjpa/datacache/DataCache.html" title="interface in org.apache.openjpa.datacache">DataCache</a></code></dd>
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           <a href="http://download.oracle.com/javase/6/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a>&lt;<a href="../../../../org/apache/openjpa/datacache/DataCachePCData.html" title="interface in org.apache.openjpa.datacache">DataCachePCData</a>&gt;&nbsp;existingUpdates,
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 <div class="block"><strong>Description copied from interface:&nbsp;<code><a href="../../../../org/apache/openjpa/datacache/DataCache.html#commit(java.util.Collection,%20java.util.Collection,%20java.util.Collection,%20java.util.Collection)">DataCache</a></code></strong></div>
 <div class="block">Perform a batch update of the cache. Add all <a href="../../../../org/apache/openjpa/datacache/DataCachePCData.html" title="interface in org.apache.openjpa.datacache"><code>DataCachePCData</code></a>
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  all DataCachePCDatas in <code>existingUpdates</code>, and delete all
  OIDs in <code>deletes</code>.
   All changes made to cached data must be made via this
  method. It is this method that is responsible for performing
  any side-effects that should happen on meaningful cache changes.
   Implementations should bear in mind that the
  <code>deletes</code> collection may contain oids that are also
  in the <code>additions</code> map. This is possible because it
  is valid for a user to delete an object with a particular oid
  and then add that object in the same batch.</div>
 <dl>
 <dt><strong>Specified by:</strong></dt>
 <dd><code><a href="../../../../org/apache/openjpa/datacache/DataCache.html#commit(java.util.Collection,%20java.util.Collection,%20java.util.Collection,%20java.util.Collection)">commit</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../org/apache/openjpa/datacache/DataCache.html" title="interface in org.apache.openjpa.datacache">DataCache</a></code></dd>
 <dt><span class="strong">Parameters:</span></dt><dd><code>additions</code> - A collection of <a href="../../../../org/apache/openjpa/datacache/DataCachePCData.html" title="interface in org.apache.openjpa.datacache"><code>DataCachePCData</code></a> objects.
  These represent data that have been newly created,
  and thus must be added to the cache.</dd><dd><code>newUpdates</code> - A collection of <a href="../../../../org/apache/openjpa/datacache/DataCachePCData.html" title="interface in org.apache.openjpa.datacache"><code>DataCachePCData</code></a> objects.
  These represent data that have been modified but
  were not originally in the cache, and thus must be added to the cache.</dd><dd><code>existingUpdates</code> - A collection of <a href="../../../../org/apache/openjpa/datacache/DataCachePCData.html" title="interface in org.apache.openjpa.datacache"><code>DataCachePCData</code></a> objects.
  These represent data that have been modified and
  were originally loaded from the cache. It is
  up to the cache implementation to decide if
  these values must be re-enlisted in the cache.
  Some caches may return live data from <a href="../../../../org/apache/openjpa/datacache/DataCache.html#get(java.lang.Object)"><code>DataCache.get(java.lang.Object)</code></a>
  invocations, in which case these values need not be re-enlisted.</dd><dd><code>deletes</code> - A collection of object IDs that have been deleted
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 <h4>contains</h4>
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 <div class="block"><strong>Description copied from interface:&nbsp;<code><a href="../../../../org/apache/openjpa/datacache/DataCache.html#contains(java.lang.Object)">DataCache</a></code></strong></div>
 <div class="block">Returns <code>true</code> if this cache contains data
  corresponding to <code>oid</code>; otherwise returns
  <code>false</code>.</div>
 <dl>
 <dt><strong>Specified by:</strong></dt>
 <dd><code><a href="../../../../org/apache/openjpa/datacache/DataCache.html#contains(java.lang.Object)">contains</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../org/apache/openjpa/datacache/DataCache.html" title="interface in org.apache.openjpa.datacache">DataCache</a></code></dd>
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 <div class="block"><strong>Description copied from interface:&nbsp;<code><a href="../../../../org/apache/openjpa/datacache/DataCache.html#containsAll(java.util.Collection)">DataCache</a></code></strong></div>
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 <dl>
 <dt><strong>Specified by:</strong></dt>
 <dd><code><a href="../../../../org/apache/openjpa/datacache/DataCache.html#containsAll(java.util.Collection)">containsAll</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../org/apache/openjpa/datacache/DataCache.html" title="interface in org.apache.openjpa.datacache">DataCache</a></code></dd>
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 <h4>get</h4>
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 <div class="block"><strong>Description copied from interface:&nbsp;<code><a href="../../../../org/apache/openjpa/datacache/DataCache.html#get(java.lang.Object)">DataCache</a></code></strong></div>
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  object may or may not change the cached value; the <a href="../../../../org/apache/openjpa/datacache/DataCache.html#update(org.apache.openjpa.datacache.DataCachePCData)"><code>DataCache.update(org.apache.openjpa.datacache.DataCachePCData)</code></a>
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 <dl>
 <dt><strong>Specified by:</strong></dt>
 <dd><code><a href="../../../../org/apache/openjpa/datacache/DataCache.html#get(java.lang.Object)">get</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../org/apache/openjpa/datacache/DataCache.html" title="interface in org.apache.openjpa.datacache">DataCache</a></code></dd>
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 <dl>
 <dt><strong>Specified by:</strong></dt>
 <dd><code><a href="../../../../org/apache/openjpa/datacache/DataCache.html#getAll(java.util.List)">getAll</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../org/apache/openjpa/datacache/DataCache.html" title="interface in org.apache.openjpa.datacache">DataCache</a></code></dd>
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 <h4>put</h4>
 <pre>public&nbsp;<a href="../../../../org/apache/openjpa/datacache/DataCachePCData.html" title="interface in org.apache.openjpa.datacache">DataCachePCData</a>&nbsp;put(<a href="../../../../org/apache/openjpa/datacache/DataCachePCData.html" title="interface in org.apache.openjpa.datacache">DataCachePCData</a>&nbsp;data)</pre>
 <div class="block"><strong>Description copied from interface:&nbsp;<code><a href="../../../../org/apache/openjpa/datacache/DataCache.html#put(org.apache.openjpa.datacache.DataCachePCData)">DataCache</a></code></strong></div>
 <div class="block">Set the cached value for the given instance. This does <em>not</em>
  result in an update of other caches. Rather, it should only be
  used for loading clean data into the cache. Meaningful changes
  to the state of the cache should be made via the <a href="../../../../org/apache/openjpa/datacache/DataCache.html#commit(java.util.Collection,%20java.util.Collection,%20java.util.Collection,%20java.util.Collection)"><code>DataCache.commit(java.util.Collection&lt;org.apache.openjpa.datacache.DataCachePCData&gt;, java.util.Collection&lt;org.apache.openjpa.datacache.DataCachePCData&gt;, java.util.Collection&lt;org.apache.openjpa.datacache.DataCachePCData&gt;, java.util.Collection&lt;java.lang.Object&gt;)</code></a> method.</div>
 <dl>
 <dt><strong>Specified by:</strong></dt>
 <dd><code><a href="../../../../org/apache/openjpa/datacache/DataCache.html#put(org.apache.openjpa.datacache.DataCachePCData)">put</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../org/apache/openjpa/datacache/DataCache.html" title="interface in org.apache.openjpa.datacache">DataCache</a></code></dd>
 <dt><span class="strong">Returns:</span></dt><dd>The previously cached value, or <code>null</code> if
  the value was not previously cached. See <a href="http://download.oracle.com/javase/6/docs/api/java/util/Map.html?is-external=true#put(K,%20V)" title="class or interface in java.util"><code>Map.put(K, V)</code></a>
  for more information.</dd></dl>
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 <a name="update(org.apache.openjpa.datacache.DataCachePCData)">
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 <h4>update</h4>
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 <div class="block"><strong>Description copied from interface:&nbsp;<code><a href="../../../../org/apache/openjpa/datacache/DataCache.html#update(org.apache.openjpa.datacache.DataCachePCData)">DataCache</a></code></strong></div>
 <div class="block">Update the cached value for the given instance. This does
  <em>not</em> result in an update of other caches. Rather, it should
  only be used for loading clean data into the cache. Meaningful changes
  to the state of the cache should be made via the <a href="../../../../org/apache/openjpa/datacache/DataCache.html#commit(java.util.Collection,%20java.util.Collection,%20java.util.Collection,%20java.util.Collection)"><code>DataCache.commit(java.util.Collection&lt;org.apache.openjpa.datacache.DataCachePCData&gt;, java.util.Collection&lt;org.apache.openjpa.datacache.DataCachePCData&gt;, java.util.Collection&lt;org.apache.openjpa.datacache.DataCachePCData&gt;, java.util.Collection&lt;java.lang.Object&gt;)</code></a> method.
   A cache implementation may or may not return a live object
  from <a href="../../../../org/apache/openjpa/datacache/DataCache.html#get(java.lang.Object)"><code>DataCache.get(java.lang.Object)</code></a> invocations. If an object retrieved from a
  <a href="../../../../org/apache/openjpa/datacache/DataCache.html#get(java.lang.Object)"><code>DataCache.get(java.lang.Object)</code></a> operation needs to be updated, this method can be
  invoked instead of invoking <a href="../../../../org/apache/openjpa/datacache/DataCache.html#put(org.apache.openjpa.datacache.DataCachePCData)"><code>DataCache.put(org.apache.openjpa.datacache.DataCachePCData)</code></a>. The DataCache implementation
  can then make optimizations based on how its <a href="../../../../org/apache/openjpa/datacache/DataCache.html#get(java.lang.Object)"><code>DataCache.get(java.lang.Object)</code></a> method works.</div>
 <dl>
 <dt><strong>Specified by:</strong></dt>
 <dd><code><a href="../../../../org/apache/openjpa/datacache/DataCache.html#update(org.apache.openjpa.datacache.DataCachePCData)">update</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../org/apache/openjpa/datacache/DataCache.html" title="interface in org.apache.openjpa.datacache">DataCache</a></code></dd>
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 <h4>remove</h4>
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 <div class="block"><strong>Description copied from interface:&nbsp;<code><a href="../../../../org/apache/openjpa/datacache/DataCache.html#remove(java.lang.Object)">DataCache</a></code></strong></div>
 <div class="block">Remove the value stored under the given oid. This does
  <em>not</em> result in an update of other caches. Rather, it
  should only be used for removing data in the cache.
  Meaningful changes to the state of the cache should be made
  via the <a href="../../../../org/apache/openjpa/datacache/DataCache.html#commit(java.util.Collection,%20java.util.Collection,%20java.util.Collection,%20java.util.Collection)"><code>DataCache.commit(java.util.Collection&lt;org.apache.openjpa.datacache.DataCachePCData&gt;, java.util.Collection&lt;org.apache.openjpa.datacache.DataCachePCData&gt;, java.util.Collection&lt;org.apache.openjpa.datacache.DataCachePCData&gt;, java.util.Collection&lt;java.lang.Object&gt;)</code></a> method.</div>
 <dl>
 <dt><strong>Specified by:</strong></dt>
 <dd><code><a href="../../../../org/apache/openjpa/datacache/DataCache.html#remove(java.lang.Object)">remove</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../org/apache/openjpa/datacache/DataCache.html" title="interface in org.apache.openjpa.datacache">DataCache</a></code></dd>
 <dt><span class="strong">Returns:</span></dt><dd>The previously cached value, or <code>null</code> if
  the oid was not previously cached. See <a href="http://download.oracle.com/javase/6/docs/api/java/util/Map.html?is-external=true#remove(java.lang.Object)" title="class or interface in java.util"><code>Map.remove(java.lang.Object)</code></a>
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 <h4>removeAll</h4>
 <pre>public&nbsp;<a href="http://download.oracle.com/javase/6/docs/api/java/util/BitSet.html?is-external=true" title="class or interface in java.util">BitSet</a>&nbsp;removeAll(<a href="http://download.oracle.com/javase/6/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a>&lt;<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>&gt;&nbsp;keys)</pre>
 <div class="block"><strong>Description copied from interface:&nbsp;<code><a href="../../../../org/apache/openjpa/datacache/DataCache.html#removeAll(java.util.Collection)">DataCache</a></code></strong></div>
 <div class="block">Remove the values stored under the given oids.</div>
 <dl>
 <dt><strong>Specified by:</strong></dt>
 <dd><code><a href="../../../../org/apache/openjpa/datacache/DataCache.html#removeAll(java.util.Collection)">removeAll</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../org/apache/openjpa/datacache/DataCache.html" title="interface in org.apache.openjpa.datacache">DataCache</a></code></dd>
 <dt><span class="strong">Returns:</span></dt><dd>the indexes of the removed oids</dd><dt><span class="strong">See Also:</span></dt><dd><a href="../../../../org/apache/openjpa/datacache/DataCache.html#remove(java.lang.Object)"><code>DataCache.remove(java.lang.Object)</code></a></dd></dl>
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 <ul class="blockList">
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 <h4>removeAll</h4>
 <pre>public&nbsp;void&nbsp;removeAll(<a href="http://download.oracle.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>&lt;?&gt;&nbsp;cls,
              boolean&nbsp;subClasses)</pre>
 <div class="block">Remove the objects of the given class from the cache.</div>
 <dl>
 <dt><strong>Specified by:</strong></dt>
 <dd><code><a href="../../../../org/apache/openjpa/datacache/DataCache.html#removeAll(java.lang.Class,%20boolean)">removeAll</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../org/apache/openjpa/datacache/DataCache.html" title="interface in org.apache.openjpa.datacache">DataCache</a></code></dd>
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 <h4>pin</h4>
 <pre>public&nbsp;boolean&nbsp;pin(<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;key)</pre>
 <div class="block"><strong>Description copied from interface:&nbsp;<code><a href="../../../../org/apache/openjpa/datacache/DataCache.html#pin(java.lang.Object)">DataCache</a></code></strong></div>
 <div class="block">Pin the value stored under <code>oid</code> into the cache.
  This method guarantees that <code>oid</code>'s value will not
  be dropped by the caching algorithm. This method does not
  affect the behavior of <a href="../../../../org/apache/openjpa/datacache/DataCache.html#remove(java.lang.Object)"><code>DataCache.remove(java.lang.Object)</code></a>.</div>
 <dl>
 <dt><strong>Specified by:</strong></dt>
 <dd><code><a href="../../../../org/apache/openjpa/datacache/DataCache.html#pin(java.lang.Object)">pin</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../org/apache/openjpa/datacache/DataCache.html" title="interface in org.apache.openjpa.datacache">DataCache</a></code></dd>
 <dt><span class="strong">Returns:</span></dt><dd><code>true</code> if <code>oid</code>'s value was
  pinned into the cache; <code>false</code> if the oid is not in the cache.</dd></dl>
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 <pre>public&nbsp;<a href="http://download.oracle.com/javase/6/docs/api/java/util/BitSet.html?is-external=true" title="class or interface in java.util">BitSet</a>&nbsp;pinAll(<a href="http://download.oracle.com/javase/6/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a>&lt;<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>&gt;&nbsp;keys)</pre>
 <div class="block"><strong>Description copied from interface:&nbsp;<code><a href="../../../../org/apache/openjpa/datacache/DataCache.html#pinAll(java.util.Collection)">DataCache</a></code></strong></div>
 <div class="block">Pin all oids to the cache.</div>
 <dl>
 <dt><strong>Specified by:</strong></dt>
 <dd><code><a href="../../../../org/apache/openjpa/datacache/DataCache.html#pinAll(java.util.Collection)">pinAll</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../org/apache/openjpa/datacache/DataCache.html" title="interface in org.apache.openjpa.datacache">DataCache</a></code></dd>
 <dt><span class="strong">Returns:</span></dt><dd>the indexes of the pinned oids</dd><dt><span class="strong">See Also:</span></dt><dd><a href="../../../../org/apache/openjpa/datacache/DataCache.html#pin(java.lang.Object)"><code>DataCache.pin(java.lang.Object)</code></a></dd></dl>
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 <h4>pinAll</h4>
 <pre>public&nbsp;void&nbsp;pinAll(<a href="http://download.oracle.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>&lt;?&gt;&nbsp;cls,
           boolean&nbsp;subs)</pre>
 <div class="block"><strong>Description copied from interface:&nbsp;<code><a href="../../../../org/apache/openjpa/datacache/DataCache.html#pinAll(java.lang.Class,%20boolean)">DataCache</a></code></strong></div>
 <div class="block">Pin all oids for the given type.</div>
 <dl>
 <dt><strong>Specified by:</strong></dt>
 <dd><code><a href="../../../../org/apache/openjpa/datacache/DataCache.html#pinAll(java.lang.Class,%20boolean)">pinAll</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../org/apache/openjpa/datacache/DataCache.html" title="interface in org.apache.openjpa.datacache">DataCache</a></code></dd>
 <dd><code>subs</code> - Whether to include subclasses.</dd></dl>
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 <h4>unpin</h4>
 <pre>public&nbsp;boolean&nbsp;unpin(<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;key)</pre>
 <div class="block"><strong>Description copied from interface:&nbsp;<code><a href="../../../../org/apache/openjpa/datacache/DataCache.html#unpin(java.lang.Object)">DataCache</a></code></strong></div>
 <div class="block">Unpin the value stored under <code>oid</code> from the cache.
  This method reverses a previous invocation of <a href="../../../../org/apache/openjpa/datacache/DataCache.html#pin(java.lang.Object)"><code>DataCache.pin(java.lang.Object)</code></a>.
  This method does not remove anything from the cache; it merely
  makes <code>oid</code>'s value a candidate for flushing from the cache.</div>
 <dl>
 <dt><strong>Specified by:</strong></dt>
 <dd><code><a href="../../../../org/apache/openjpa/datacache/DataCache.html#unpin(java.lang.Object)">unpin</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../org/apache/openjpa/datacache/DataCache.html" title="interface in org.apache.openjpa.datacache">DataCache</a></code></dd>
 <dt><span class="strong">Returns:</span></dt><dd><code>true</code> if <code>oid</code>'s value was
  unpinned from the cache; <code>false</code> if the
  oid is not in the cache.</dd></dl>
 </li>
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 <h4>unpinAll</h4>
 <pre>public&nbsp;<a href="http://download.oracle.com/javase/6/docs/api/java/util/BitSet.html?is-external=true" title="class or interface in java.util">BitSet</a>&nbsp;unpinAll(<a href="http://download.oracle.com/javase/6/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a>&lt;<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>&gt;&nbsp;keys)</pre>
 <div class="block"><strong>Description copied from interface:&nbsp;<code><a href="../../../../org/apache/openjpa/datacache/DataCache.html#unpinAll(java.util.Collection)">DataCache</a></code></strong></div>
 <div class="block">Unpin all oids from the cache.</div>
 <dl>
 <dt><strong>Specified by:</strong></dt>
 <dd><code><a href="../../../../org/apache/openjpa/datacache/DataCache.html#unpinAll(java.util.Collection)">unpinAll</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../org/apache/openjpa/datacache/DataCache.html" title="interface in org.apache.openjpa.datacache">DataCache</a></code></dd>
 <dt><span class="strong">Returns:</span></dt><dd>the indexes of the unpinned oids</dd><dt><span class="strong">See Also:</span></dt><dd><a href="../../../../org/apache/openjpa/datacache/DataCache.html#unpin(java.lang.Object)"><code>DataCache.unpin(java.lang.Object)</code></a></dd></dl>
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 <a name="unpinAll(java.lang.Class, boolean)">
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 <h4>unpinAll</h4>
 <pre>public&nbsp;void&nbsp;unpinAll(<a href="http://download.oracle.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>&lt;?&gt;&nbsp;cls,
             boolean&nbsp;subs)</pre>
 <div class="block"><strong>Description copied from interface:&nbsp;<code><a href="../../../../org/apache/openjpa/datacache/DataCache.html#unpinAll(java.lang.Class,%20boolean)">DataCache</a></code></strong></div>
 <div class="block">Unpin all oids associaed with the given type from the cache.</div>
 <dl>
 <dt><strong>Specified by:</strong></dt>
 <dd><code><a href="../../../../org/apache/openjpa/datacache/DataCache.html#unpinAll(java.lang.Class,%20boolean)">unpinAll</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../org/apache/openjpa/datacache/DataCache.html" title="interface in org.apache.openjpa.datacache">DataCache</a></code></dd>
 <dd><code>subs</code> - Whether to include subclasses.</dd></dl>
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 <h4>clear</h4>
 <pre>public&nbsp;void&nbsp;clear()</pre>
 <div class="block"><strong>Description copied from interface:&nbsp;<code><a href="../../../../org/apache/openjpa/datacache/DataCache.html#clear()">DataCache</a></code></strong></div>
 <div class="block">Remove all data from this cache. This does <em>not</em> result
  in an update of other caches. Rather, it should only be used
  for clearing the cache. Meaningful changes to the state of the
  cache should be made via the <a href="../../../../org/apache/openjpa/datacache/DataCache.html#commit(java.util.Collection,%20java.util.Collection,%20java.util.Collection,%20java.util.Collection)"><code>DataCache.commit(java.util.Collection&lt;org.apache.openjpa.datacache.DataCachePCData&gt;, java.util.Collection&lt;org.apache.openjpa.datacache.DataCachePCData&gt;, java.util.Collection&lt;org.apache.openjpa.datacache.DataCachePCData&gt;, java.util.Collection&lt;java.lang.Object&gt;)</code></a> method.</div>
 <dl>
 <dt><strong>Specified by:</strong></dt>
 <dd><code><a href="../../../../org/apache/openjpa/datacache/DataCache.html#clear()">clear</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../org/apache/openjpa/datacache/DataCache.html" title="interface in org.apache.openjpa.datacache">DataCache</a></code></dd>
 <dt><strong>Specified by:</strong></dt>
 <dd><code><a href="../../../../org/apache/openjpa/lib/util/Clearable.html#clear()">clear</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../org/apache/openjpa/lib/util/Clearable.html" title="interface in org.apache.openjpa.lib.util">Clearable</a></code></dd>
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 <div class="block"><strong>Description copied from interface:&nbsp;<code><a href="../../../../org/apache/openjpa/datacache/DataCache.html#close()">DataCache</a></code></strong></div>
 <div class="block">Free the resources used by this cache.</div>
 <dl>
 <dt><strong>Specified by:</strong></dt>
 <dd><code><a href="../../../../org/apache/openjpa/datacache/DataCache.html#close()">close</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../org/apache/openjpa/datacache/DataCache.html" title="interface in org.apache.openjpa.datacache">DataCache</a></code></dd>
 <dt><strong>Specified by:</strong></dt>
 <dd><code><a href="../../../../org/apache/openjpa/lib/util/Closeable.html#close()">close</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../org/apache/openjpa/lib/util/Closeable.html" title="interface in org.apache.openjpa.lib.util">Closeable</a></code></dd>
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 <h4>close</h4>
 <pre>protected&nbsp;void&nbsp;close(boolean&nbsp;clear)</pre>
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 <pre>public&nbsp;boolean&nbsp;isClosed()</pre>
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 <div class="block"><strong>Description copied from interface:&nbsp;<code><a href="../../../../org/apache/openjpa/datacache/DataCache.html#addExpirationListener(org.apache.openjpa.datacache.ExpirationListener)">DataCache</a></code></strong></div>
 <div class="block">Add a new expiration event listener to this cache.</div>
 <dl>
 <dt><strong>Specified by:</strong></dt>
 <dd><code><a href="../../../../org/apache/openjpa/datacache/DataCache.html#addExpirationListener(org.apache.openjpa.datacache.ExpirationListener)">addExpirationListener</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../org/apache/openjpa/datacache/DataCache.html" title="interface in org.apache.openjpa.datacache">DataCache</a></code></dd>
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 <a name="removeExpirationListener(org.apache.openjpa.datacache.ExpirationListener)">
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 <h4>removeExpirationListener</h4>
 <pre>public&nbsp;boolean&nbsp;removeExpirationListener(<a href="../../../../org/apache/openjpa/datacache/ExpirationListener.html" title="interface in org.apache.openjpa.datacache">ExpirationListener</a>&nbsp;listen)</pre>
 <div class="block"><strong>Description copied from interface:&nbsp;<code><a href="../../../../org/apache/openjpa/datacache/DataCache.html#removeExpirationListener(org.apache.openjpa.datacache.ExpirationListener)">DataCache</a></code></strong></div>
 <div class="block">Remove an expiration event listener from this cache.</div>
 <dl>
 <dt><strong>Specified by:</strong></dt>
 <dd><code><a href="../../../../org/apache/openjpa/datacache/DataCache.html#removeExpirationListener(org.apache.openjpa.datacache.ExpirationListener)">removeExpirationListener</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../org/apache/openjpa/datacache/DataCache.html" title="interface in org.apache.openjpa.datacache">DataCache</a></code></dd>
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 <a name="toString()">
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 <h4>toString</h4>
 <pre>public&nbsp;<a href="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;toString()</pre>
 <dl>
 <dt><strong>Overrides:</strong></dt>
 <dd><code><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></code>&nbsp;in class&nbsp;<code><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></code></dd>
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 <h4>afterCommit</h4>
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 <div class="block">This method is part of the <a href="../../../../org/apache/openjpa/event/RemoteCommitListener.html" title="interface in org.apache.openjpa.event"><code>RemoteCommitListener</code></a> interface. If
  your cache subclass relies on OpenJPA for clustering support, make it
  implement <code>RemoteCommitListener</code>. This method will take
  care of invalidating entries from remote commits.</div>
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 <h4>keyRemoved</h4>
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               boolean&nbsp;expired)</pre>
 <div class="block">Invoke when a key is removed from this cache. Propagates the
  expiration event on to all expiration listeners registered
  with this class.</div>
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 <a name="recacheUpdates()">
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 <h4>recacheUpdates</h4>
 <pre>protected&nbsp;boolean&nbsp;recacheUpdates()</pre>
 <div class="block">Return <code>true</code> if updates to data already in the
  cache (either in <a href="../../../../org/apache/openjpa/datacache/AbstractDataCache.html#commit(java.util.Collection,%20java.util.Collection,%20java.util.Collection,%20java.util.Collection)"><code>commit(java.util.Collection&lt;org.apache.openjpa.datacache.DataCachePCData&gt;, java.util.Collection&lt;org.apache.openjpa.datacache.DataCachePCData&gt;, java.util.Collection&lt;org.apache.openjpa.datacache.DataCachePCData&gt;, java.util.Collection&lt;java.lang.Object&gt;)</code></a> or the <a href="../../../../org/apache/openjpa/datacache/AbstractDataCache.html#update(org.apache.openjpa.datacache.DataCachePCData)"><code>update(org.apache.openjpa.datacache.DataCachePCData)</code></a>)
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 <a name="getInternal(java.lang.Object)">
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 <h4>getInternal</h4>
 <pre>protected abstract&nbsp;<a href="../../../../org/apache/openjpa/datacache/DataCachePCData.html" title="interface in org.apache.openjpa.datacache">DataCachePCData</a>&nbsp;getInternal(<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;oid)</pre>
 <div class="block">Return the object for the given oid.</div>
 </li>
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 <a name="putInternal(java.lang.Object, org.apache.openjpa.datacache.DataCachePCData)">
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 <h4>putInternal</h4>
 <pre>protected abstract&nbsp;<a href="../../../../org/apache/openjpa/datacache/DataCachePCData.html" title="interface in org.apache.openjpa.datacache">DataCachePCData</a>&nbsp;putInternal(<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;oid,
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 <div class="block">Add the given object to the cache, returning the old object under the
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 <h4>putAllInternal</h4>
 <pre>protected&nbsp;void&nbsp;putAllInternal(<a href="http://download.oracle.com/javase/6/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a>&lt;<a href="../../../../org/apache/openjpa/datacache/DataCachePCData.html" title="interface in org.apache.openjpa.datacache">DataCachePCData</a>&gt;&nbsp;pcs)</pre>
 <div class="block">Add all of the given objects to the cache.</div>
 </li>
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 <a name="removeInternal(java.lang.Object)">
 <!--   -->
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 <ul class="blockList">
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 <h4>removeInternal</h4>
 <pre>protected abstract&nbsp;<a href="../../../../org/apache/openjpa/datacache/DataCachePCData.html" title="interface in org.apache.openjpa.datacache">DataCachePCData</a>&nbsp;removeInternal(<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;oid)</pre>
 <div class="block">Remove the object under the given oid from the cache.</div>
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 <a name="removeAllInternal(java.lang.Class, boolean)">
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 <h4>removeAllInternal</h4>
 <pre>protected abstract&nbsp;void&nbsp;removeAllInternal(<a href="http://download.oracle.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>&lt;?&gt;&nbsp;cls,
                      boolean&nbsp;subclasses)</pre>
 <div class="block">Evict objects in cache by class.</div>
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 <a name="removeAllInternal(java.util.Collection)">
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 <h4>removeAllInternal</h4>
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 <div class="block">Remove all objects under the given oids from the cache.</div>
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 <a name="removeAllTypeNamesInternal(java.util.Collection)">
 <!--   -->
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 <h4>removeAllTypeNamesInternal</h4>
 <pre>protected&nbsp;void&nbsp;removeAllTypeNamesInternal(<a href="http://download.oracle.com/javase/6/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a>&lt;<a href="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&gt;&nbsp;classNames)</pre>
 <div class="block">Remove all objects of the given class names from the cache.</div>
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 <div class="block">Gets the named partition. Note that a partition itself is another cache.</div>
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 <dt><strong>Specified by:</strong></dt>
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