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 <h2 title="Class JDBCStoreManager" class="title">Class JDBCStoreManager</h2>
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 <dt>All Implemented Interfaces:</dt>
 <dd><a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCStore.html" title="interface in org.apache.openjpa.jdbc.kernel">JDBCStore</a>, <a href="../../../../../org/apache/openjpa/kernel/StoreManager.html" title="interface in org.apache.openjpa.kernel">StoreManager</a>, <a href="../../../../../org/apache/openjpa/lib/util/Closeable.html" title="interface in org.apache.openjpa.lib.util">Closeable</a></dd>
 </dl>
 <dl>
 <dt>Direct Known Subclasses:</dt>
 <dd><a href="../../../../../org/apache/openjpa/slice/jdbc/SliceStoreManager.html" title="class in org.apache.openjpa.slice.jdbc">SliceStoreManager</a></dd>
 </dl>
 <hr>
 <br>
 <pre>public class <span class="typeNameLabel">JDBCStoreManager</span>
 extends <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>
 implements <a href="../../../../../org/apache/openjpa/kernel/StoreManager.html" title="interface in org.apache.openjpa.kernel">StoreManager</a>, <a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCStore.html" title="interface in org.apache.openjpa.jdbc.kernel">JDBCStore</a></pre>
 <div class="block">StoreManager plugin that uses JDBC to store persistent data in a
  relational data store.</div>
 <dl>
 <dt><span class="simpleTagLabel">Author:</span></dt>
 <dd>Abe White</dd>
 </dl>
 </li>
 </ul>
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 <th class="colFirst" scope="col">Modifier and Type</th>
 <th class="colLast" scope="col">Class and Description</th>
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 <tr class="altColor">
 <td class="colFirst"><code>static class&nbsp;</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCStoreManager.ClientConnection.html" title="class in org.apache.openjpa.jdbc.kernel">JDBCStoreManager.ClientConnection</a></span></code>
 <div class="block">Connection returned to client code.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>protected class&nbsp;</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCStoreManager.RefCountConnection.html" title="class in org.apache.openjpa.jdbc.kernel">JDBCStoreManager.RefCountConnection</a></span></code>
 <div class="block">Connection wrapper that keeps an internal ref count so that it knows
  when to really close.</div>
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 <h3>Fields inherited from interface&nbsp;org.apache.openjpa.kernel.<a href="../../../../../org/apache/openjpa/kernel/StoreManager.html" title="interface in org.apache.openjpa.kernel">StoreManager</a></h3>
 <code><a href="../../../../../org/apache/openjpa/kernel/StoreManager.html#FORCE_LOAD_ALL">FORCE_LOAD_ALL</a>, <a href="../../../../../org/apache/openjpa/kernel/StoreManager.html#FORCE_LOAD_DFG">FORCE_LOAD_DFG</a>, <a href="../../../../../org/apache/openjpa/kernel/StoreManager.html#FORCE_LOAD_NONE">FORCE_LOAD_NONE</a>, <a href="../../../../../org/apache/openjpa/kernel/StoreManager.html#FORCE_LOAD_REFRESH">FORCE_LOAD_REFRESH</a>, <a href="../../../../../org/apache/openjpa/kernel/StoreManager.html#VERSION_DIFFERENT">VERSION_DIFFERENT</a>, <a href="../../../../../org/apache/openjpa/kernel/StoreManager.html#VERSION_EARLIER">VERSION_EARLIER</a>, <a href="../../../../../org/apache/openjpa/kernel/StoreManager.html#VERSION_LATER">VERSION_LATER</a>, <a href="../../../../../org/apache/openjpa/kernel/StoreManager.html#VERSION_SAME">VERSION_SAME</a></code></li>
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 <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCStoreManager.html#JDBCStoreManager--">JDBCStoreManager</a></span>()</code>&nbsp;</td>
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 <th class="colLast" scope="col">Method and Description</th>
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 <td class="colFirst"><code>boolean</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCStoreManager.html#assignField-org.apache.openjpa.kernel.OpenJPAStateManager-int-boolean-">assignField</a></span>(<a href="../../../../../org/apache/openjpa/kernel/OpenJPAStateManager.html" title="interface in org.apache.openjpa.kernel">OpenJPAStateManager</a>&nbsp;sm,
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            boolean&nbsp;preFlush)</code>
 <div class="block">Assign a value to the given field.</div>
 </td>
 </tr>
 <tr id="i1" class="rowColor">
 <td class="colFirst"><code>boolean</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCStoreManager.html#assignObjectId-org.apache.openjpa.kernel.OpenJPAStateManager-boolean-">assignObjectId</a></span>(<a href="../../../../../org/apache/openjpa/kernel/OpenJPAStateManager.html" title="interface in org.apache.openjpa.kernel">OpenJPAStateManager</a>&nbsp;sm,
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 <div class="block">Assign an object id to the given new instance.</div>
 </td>
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 <tr id="i2" class="altColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCStoreManager.html#beforeStateChange-org.apache.openjpa.kernel.OpenJPAStateManager-org.apache.openjpa.kernel.PCState-org.apache.openjpa.kernel.PCState-">beforeStateChange</a></span>(<a href="../../../../../org/apache/openjpa/kernel/OpenJPAStateManager.html" title="interface in org.apache.openjpa.kernel">OpenJPAStateManager</a>&nbsp;sm,
                  <a href="../../../../../org/apache/openjpa/kernel/PCState.html" title="class in org.apache.openjpa.kernel">PCState</a>&nbsp;fromState,
                  <a href="../../../../../org/apache/openjpa/kernel/PCState.html" title="class in org.apache.openjpa.kernel">PCState</a>&nbsp;toState)</code>
 <div class="block">Notification that the given state manager is about to change its
  lifecycle state.</div>
 </td>
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 <tr id="i3" class="rowColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCStoreManager.html#begin--">begin</a></span>()</code>
 <div class="block">Begin a data store transaction.</div>
 </td>
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 <tr id="i4" class="altColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCStoreManager.html#beginOptimistic--">beginOptimistic</a></span>()</code>
 <div class="block">Notification that an optimistic transaction has started.</div>
 </td>
 </tr>
 <tr id="i5" class="rowColor">
 <td class="colFirst"><code>boolean</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCStoreManager.html#cancelAll--">cancelAll</a></span>()</code>
 <div class="block">Cancel all pending data store statements.</div>
 </td>
 </tr>
 <tr id="i6" class="altColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCStoreManager.html#close--">close</a></span>()</code>
 <div class="block">Free any resources this store manager is using.</div>
 </td>
 </tr>
 <tr id="i7" class="rowColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCStoreManager.html#commit--">commit</a></span>()</code>
 <div class="block">Commit the current data store transaction.</div>
 </td>
 </tr>
 <tr id="i8" class="altColor">
 <td class="colFirst"><code>int</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCStoreManager.html#compareVersion-org.apache.openjpa.kernel.OpenJPAStateManager-java.lang.Object-java.lang.Object-">compareVersion</a></span>(<a href="../../../../../org/apache/openjpa/kernel/OpenJPAStateManager.html" title="interface in org.apache.openjpa.kernel">OpenJPAStateManager</a>&nbsp;state,
               <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>&nbsp;v1,
               <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>&nbsp;v2)</code>
 <div class="block">Compare the two version objects.</div>
 </td>
 </tr>
 <tr id="i9" class="rowColor">
 <td class="colFirst"><code>protected <a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCStoreManager.RefCountConnection.html" title="class in org.apache.openjpa.jdbc.kernel">JDBCStoreManager.RefCountConnection</a></code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCStoreManager.html#connectInternal--">connectInternal</a></span>()</code>
 <div class="block">Connect to the database.</div>
 </td>
 </tr>
 <tr id="i10" class="altColor">
 <td class="colFirst"><code><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></code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCStoreManager.html#copyDataStoreId-java.lang.Object-org.apache.openjpa.meta.ClassMetaData-">copyDataStoreId</a></span>(<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>&nbsp;oid,
                <a href="../../../../../org/apache/openjpa/meta/ClassMetaData.html" title="class in org.apache.openjpa.meta">ClassMetaData</a>&nbsp;meta)</code>
 <div class="block">Copy the given object id value.</div>
 </td>
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 <tr id="i11" class="rowColor">
 <td class="colFirst"><code><a href="../../../../../org/apache/openjpa/lib/rop/ResultObjectProvider.html" title="interface in org.apache.openjpa.lib.rop">ResultObjectProvider</a></code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCStoreManager.html#executeExtent-org.apache.openjpa.meta.ClassMetaData-boolean-org.apache.openjpa.kernel.FetchConfiguration-">executeExtent</a></span>(<a href="../../../../../org/apache/openjpa/meta/ClassMetaData.html" title="class in org.apache.openjpa.meta">ClassMetaData</a>&nbsp;meta,
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 <div class="block">Return a provider for all instances of the given candidate class,
  optionally including subclasses.</div>
 </td>
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 <tr id="i12" class="altColor">
 <td class="colFirst"><code>boolean</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCStoreManager.html#exists-org.apache.openjpa.kernel.OpenJPAStateManager-java.lang.Object-">exists</a></span>(<a href="../../../../../org/apache/openjpa/kernel/OpenJPAStateManager.html" title="interface in org.apache.openjpa.kernel">OpenJPAStateManager</a>&nbsp;sm,
       <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>&nbsp;context)</code>
 <div class="block">Verify that the given instance exists in the data store; return false
  if it does not.</div>
 </td>
 </tr>
 <tr id="i13" class="rowColor">
 <td class="colFirst"><code><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></code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCStoreManager.html#find-java.lang.Object-org.apache.openjpa.jdbc.meta.ValueMapping-org.apache.openjpa.jdbc.kernel.JDBCFetchConfiguration-">find</a></span>(<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>&nbsp;oid,
     <a href="../../../../../org/apache/openjpa/jdbc/meta/ValueMapping.html" title="interface in org.apache.openjpa.jdbc.meta">ValueMapping</a>&nbsp;vm,
     <a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCFetchConfiguration.html" title="interface in org.apache.openjpa.jdbc.kernel">JDBCFetchConfiguration</a>&nbsp;fetch)</code>
 <div class="block">Find the object with the given oid.</div>
 </td>
 </tr>
 <tr id="i14" class="altColor">
 <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a></code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCStoreManager.html#flush-java.util.Collection-">flush</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a>&nbsp;sms)</code>
 <div class="block">Flush the given state manager collection to the datastore, returning
  a collection of exceptions encountered during flushing.</div>
 </td>
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 <tr id="i15" class="rowColor">
 <td class="colFirst"><code><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></code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCStoreManager.html#getClientConnection--">getClientConnection</a></span>()</code>
 <div class="block">Return a connection to the data store suitable for client use.</div>
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 <tr id="i16" class="altColor">
 <td class="colFirst"><code><a href="../../../../../org/apache/openjpa/jdbc/conf/JDBCConfiguration.html" title="interface in org.apache.openjpa.jdbc.conf">JDBCConfiguration</a></code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCStoreManager.html#getConfiguration--">getConfiguration</a></span>()</code>
 <div class="block">Return the configuration for this runtime.</div>
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 <tr id="i17" class="rowColor">
 <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/sql/Connection.html?is-external=true" title="class or interface in java.sql">Connection</a></code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCStoreManager.html#getConnection--">getConnection</a></span>()</code>
 <div class="block">Return a SQL connection to the database.</div>
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 <tr id="i18" class="altColor">
 <td class="colFirst"><code><a href="../../../../../org/apache/openjpa/kernel/StoreContext.html" title="interface in org.apache.openjpa.kernel">StoreContext</a></code></td>
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 <tr id="i19" class="rowColor">
 <td class="colFirst"><code>protected <a href="https://docs.oracle.com/javase/8/docs/api/javax/sql/DataSource.html?is-external=true" title="class or interface in javax.sql">DataSource</a></code></td>
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 <tr id="i20" class="altColor">
 <td class="colFirst"><code><a href="../../../../../org/apache/openjpa/kernel/Seq.html" title="interface in org.apache.openjpa.kernel">Seq</a></code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCStoreManager.html#getDataStoreIdSequence-org.apache.openjpa.meta.ClassMetaData-">getDataStoreIdSequence</a></span>(<a href="../../../../../org/apache/openjpa/meta/ClassMetaData.html" title="class in org.apache.openjpa.meta">ClassMetaData</a>&nbsp;meta)</code>
 <div class="block">Return a sequence that generates datastore identity values for the
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 </td>
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 <tr id="i21" class="rowColor">
 <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>&lt;?&gt;</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCStoreManager.html#getDataStoreIdType-org.apache.openjpa.meta.ClassMetaData-">getDataStoreIdType</a></span>(<a href="../../../../../org/apache/openjpa/meta/ClassMetaData.html" title="class in org.apache.openjpa.meta">ClassMetaData</a>&nbsp;meta)</code>
 <div class="block">Return the class used by this StoreManager for datastore identity
  values.</div>
 </td>
 </tr>
 <tr id="i22" class="altColor">
 <td class="colFirst"><code><a href="../../../../../org/apache/openjpa/jdbc/sql/DBDictionary.html" title="class in org.apache.openjpa.jdbc.sql">DBDictionary</a></code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCStoreManager.html#getDBDictionary--">getDBDictionary</a></span>()</code>
 <div class="block">Return the dictionary in use.</div>
 </td>
 </tr>
 <tr id="i23" class="rowColor">
 <td class="colFirst"><code><a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCFetchConfiguration.html" title="interface in org.apache.openjpa.jdbc.kernel">JDBCFetchConfiguration</a></code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCStoreManager.html#getFetchConfiguration--">getFetchConfiguration</a></span>()</code>
 <div class="block">Return the current default fetch configuration.</div>
 </td>
 </tr>
 <tr id="i24" class="altColor">
 <td class="colFirst"><code><a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCLockManager.html" title="interface in org.apache.openjpa.jdbc.kernel">JDBCLockManager</a></code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCStoreManager.html#getLockManager--">getLockManager</a></span>()</code>
 <div class="block">If the lock manager in use is a <a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCLockManager.html" title="interface in org.apache.openjpa.jdbc.kernel"><code>JDBCLockManager</code></a>, return it.</div>
 </td>
 </tr>
 <tr id="i25" class="rowColor">
 <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>&lt;?&gt;</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCStoreManager.html#getManagedType-java.lang.Object-">getManagedType</a></span>(<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>&nbsp;oid)</code>
 <div class="block">Return the persistent class for the given data store identity value.</div>
 </td>
 </tr>
 <tr id="i26" class="altColor">
 <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/sql/Connection.html?is-external=true" title="class or interface in java.sql">Connection</a></code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCStoreManager.html#getNewConnection--">getNewConnection</a></span>()</code>
 <div class="block">Return a new SQL connection to the database.</div>
 </td>
 </tr>
 <tr id="i27" class="rowColor">
 <td class="colFirst"><code><a href="../../../../../org/apache/openjpa/jdbc/sql/SQLFactory.html" title="interface in org.apache.openjpa.jdbc.sql">SQLFactory</a></code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCStoreManager.html#getSQLFactory--">getSQLFactory</a></span>()</code>
 <div class="block">Return the SQL factory for this runtime.</div>
 </td>
 </tr>
 <tr id="i28" class="altColor">
 <td class="colFirst"><code>protected <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>&lt;?&gt;</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCStoreManager.html#getType-org.apache.openjpa.jdbc.sql.Result-org.apache.openjpa.jdbc.meta.ClassMapping-">getType</a></span>(<a href="../../../../../org/apache/openjpa/jdbc/sql/Result.html" title="interface in org.apache.openjpa.jdbc.sql">Result</a>&nbsp;res,
        <a href="../../../../../org/apache/openjpa/jdbc/meta/ClassMapping.html" title="class in org.apache.openjpa.jdbc.meta">ClassMapping</a>&nbsp;mapping)</code>
 <div class="block">This method is to provide override for non-JDBC or JDBC-like
  implementation of getting type from the result set.</div>
 </td>
 </tr>
 <tr id="i29" class="rowColor">
 <td class="colFirst"><code><a href="../../../../../org/apache/openjpa/kernel/Seq.html" title="interface in org.apache.openjpa.kernel">Seq</a></code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCStoreManager.html#getValueSequence-org.apache.openjpa.meta.FieldMetaData-">getValueSequence</a></span>(<a href="../../../../../org/apache/openjpa/meta/FieldMetaData.html" title="class in org.apache.openjpa.meta">FieldMetaData</a>&nbsp;fmd)</code>
 <div class="block">Return a sequence that generates values for the given field.</div>
 </td>
 </tr>
 <tr id="i30" class="altColor">
 <td class="colFirst"><code>protected void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCStoreManager.html#getVersion-org.apache.openjpa.jdbc.meta.ClassMapping-org.apache.openjpa.kernel.OpenJPAStateManager-org.apache.openjpa.jdbc.sql.Result-">getVersion</a></span>(<a href="../../../../../org/apache/openjpa/jdbc/meta/ClassMapping.html" title="class in org.apache.openjpa.jdbc.meta">ClassMapping</a>&nbsp;mapping,
           <a href="../../../../../org/apache/openjpa/kernel/OpenJPAStateManager.html" title="interface in org.apache.openjpa.kernel">OpenJPAStateManager</a>&nbsp;sm,
           <a href="../../../../../org/apache/openjpa/jdbc/sql/Result.html" title="interface in org.apache.openjpa.jdbc.sql">Result</a>&nbsp;res)</code>
 <div class="block">This method is to provide override for non-JDBC or JDBC-like
  implementation of getting version from the result set.</div>
 </td>
 </tr>
 <tr id="i31" class="rowColor">
 <td class="colFirst"><code>boolean</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCStoreManager.html#initialize-org.apache.openjpa.kernel.OpenJPAStateManager-org.apache.openjpa.kernel.PCState-org.apache.openjpa.kernel.FetchConfiguration-java.lang.Object-">initialize</a></span>(<a href="../../../../../org/apache/openjpa/kernel/OpenJPAStateManager.html" title="interface in org.apache.openjpa.kernel">OpenJPAStateManager</a>&nbsp;sm,
           <a href="../../../../../org/apache/openjpa/kernel/PCState.html" title="class in org.apache.openjpa.kernel">PCState</a>&nbsp;state,
           <a href="../../../../../org/apache/openjpa/kernel/FetchConfiguration.html" title="interface in org.apache.openjpa.kernel">FetchConfiguration</a>&nbsp;fetch,
           <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>&nbsp;context)</code>
 <div class="block">Initialize the given state manager.</div>
 </td>
 </tr>
 <tr id="i32" class="altColor">
 <td class="colFirst"><code>protected boolean</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCStoreManager.html#initializeState-org.apache.openjpa.kernel.OpenJPAStateManager-org.apache.openjpa.kernel.PCState-org.apache.openjpa.jdbc.kernel.JDBCFetchConfiguration-org.apache.openjpa.jdbc.kernel.ConnectionInfo-">initializeState</a></span>(<a href="../../../../../org/apache/openjpa/kernel/OpenJPAStateManager.html" title="interface in org.apache.openjpa.kernel">OpenJPAStateManager</a>&nbsp;sm,
                <a href="../../../../../org/apache/openjpa/kernel/PCState.html" title="class in org.apache.openjpa.kernel">PCState</a>&nbsp;state,
                <a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCFetchConfiguration.html" title="interface in org.apache.openjpa.jdbc.kernel">JDBCFetchConfiguration</a>&nbsp;fetch,
                <a href="../../../../../org/apache/openjpa/jdbc/kernel/ConnectionInfo.html" title="class in org.apache.openjpa.jdbc.kernel">ConnectionInfo</a>&nbsp;info)</code>
 <div class="block">Initialize a newly-loaded instance.</div>
 </td>
 </tr>
 <tr id="i33" class="rowColor">
 <td class="colFirst"><code>boolean</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCStoreManager.html#isCached-java.util.List-java.util.BitSet-">isCached</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&gt;&nbsp;oids,
         <a href="https://docs.oracle.com/javase/8/docs/api/java/util/BitSet.html?is-external=true" title="class or interface in java.util">BitSet</a>&nbsp;edata)</code>
 <div class="block">Verify that the given instance exists in the data store in memory; return false
  if it does not.</div>
 </td>
 </tr>
 <tr id="i34" class="altColor">
 <td class="colFirst"><code>protected boolean</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCStoreManager.html#isEmptyResult-org.apache.openjpa.jdbc.sql.Result-">isEmptyResult</a></span>(<a href="../../../../../org/apache/openjpa/jdbc/sql/Result.html" title="interface in org.apache.openjpa.jdbc.sql">Result</a>&nbsp;res)</code>
 <div class="block">This method is to provide override for non-JDBC or JDBC-like
  implementation of checking whether the result set is empty or not.</div>
 </td>
 </tr>
 <tr id="i35" class="rowColor">
 <td class="colFirst"><code><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></code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCStoreManager.html#load-org.apache.openjpa.jdbc.meta.ClassMapping-org.apache.openjpa.jdbc.kernel.JDBCFetchConfiguration-java.util.BitSet-org.apache.openjpa.jdbc.sql.Result-">load</a></span>(<a href="../../../../../org/apache/openjpa/jdbc/meta/ClassMapping.html" title="class in org.apache.openjpa.jdbc.meta">ClassMapping</a>&nbsp;mapping,
     <a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCFetchConfiguration.html" title="interface in org.apache.openjpa.jdbc.kernel">JDBCFetchConfiguration</a>&nbsp;fetch,
     <a href="https://docs.oracle.com/javase/8/docs/api/java/util/BitSet.html?is-external=true" title="class or interface in java.util">BitSet</a>&nbsp;exclude,
     <a href="../../../../../org/apache/openjpa/jdbc/sql/Result.html" title="interface in org.apache.openjpa.jdbc.sql">Result</a>&nbsp;result)</code>
 <div class="block">Load the object in the current row of the given result.</div>
 </td>
 </tr>
 <tr id="i36" class="altColor">
 <td class="colFirst"><code>boolean</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCStoreManager.html#load-org.apache.openjpa.kernel.OpenJPAStateManager-java.util.BitSet-org.apache.openjpa.kernel.FetchConfiguration-int-java.lang.Object-">load</a></span>(<a href="../../../../../org/apache/openjpa/kernel/OpenJPAStateManager.html" title="interface in org.apache.openjpa.kernel">OpenJPAStateManager</a>&nbsp;sm,
     <a href="https://docs.oracle.com/javase/8/docs/api/java/util/BitSet.html?is-external=true" title="class or interface in java.util">BitSet</a>&nbsp;fields,
     <a href="../../../../../org/apache/openjpa/kernel/FetchConfiguration.html" title="interface in org.apache.openjpa.kernel">FetchConfiguration</a>&nbsp;fetch,
     int&nbsp;lockLevel,
     <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>&nbsp;context)</code>
 <div class="block">Load the given state manager.</div>
 </td>
 </tr>
 <tr id="i37" class="rowColor">
 <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a></code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCStoreManager.html#loadAll-java.util.Collection-org.apache.openjpa.kernel.PCState-int-org.apache.openjpa.kernel.FetchConfiguration-java.lang.Object-">loadAll</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a>&nbsp;sms,
        <a href="../../../../../org/apache/openjpa/kernel/PCState.html" title="class in org.apache.openjpa.kernel">PCState</a>&nbsp;state,
        int&nbsp;load,
        <a href="../../../../../org/apache/openjpa/kernel/FetchConfiguration.html" title="interface in org.apache.openjpa.kernel">FetchConfiguration</a>&nbsp;fetch,
        <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>&nbsp;context)</code>
 <div class="block">Initialize, load, or validate the existance of all of the given
  objects.</div>
 </td>
 </tr>
 <tr id="i38" class="altColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCStoreManager.html#loadSubclasses-org.apache.openjpa.jdbc.meta.ClassMapping-">loadSubclasses</a></span>(<a href="../../../../../org/apache/openjpa/jdbc/meta/ClassMapping.html" title="class in org.apache.openjpa.jdbc.meta">ClassMapping</a>&nbsp;mapping)</code>
 <div class="block">Makes sure all subclasses of the given type are loaded in the JVM.</div>
 </td>
 </tr>
 <tr id="i39" class="rowColor">
 <td class="colFirst"><code><a href="../../../../../org/apache/openjpa/util/Id.html" title="class in org.apache.openjpa.util">Id</a></code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCStoreManager.html#newDataStoreId-long-org.apache.openjpa.jdbc.meta.ClassMapping-boolean-">newDataStoreId</a></span>(long&nbsp;id,
               <a href="../../../../../org/apache/openjpa/jdbc/meta/ClassMapping.html" title="class in org.apache.openjpa.jdbc.meta">ClassMapping</a>&nbsp;mapping,
               boolean&nbsp;subs)</code>
 <div class="block">Create a new datastore identity object from the given id value and
  mapping.</div>
 </td>
 </tr>
 <tr id="i40" class="altColor">
 <td class="colFirst"><code><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></code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCStoreManager.html#newDataStoreId-java.lang.Object-org.apache.openjpa.meta.ClassMetaData-">newDataStoreId</a></span>(<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>&nbsp;val,
               <a href="../../../../../org/apache/openjpa/meta/ClassMetaData.html" title="class in org.apache.openjpa.meta">ClassMetaData</a>&nbsp;meta)</code>
 <div class="block">Create a new unique datastore identity for the given type from
  the given oid value (presumably pk, stringified oid, or oid instance).</div>
 </td>
 </tr>
 <tr id="i41" class="rowColor">
 <td class="colFirst"><code><a href="../../../../../org/apache/openjpa/kernel/FetchConfiguration.html" title="interface in org.apache.openjpa.kernel">FetchConfiguration</a></code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCStoreManager.html#newFetchConfiguration--">newFetchConfiguration</a></span>()</code>
 <div class="block">Return a fetch configuration suitable for this runtime.</div>
 </td>
 </tr>
 <tr id="i42" class="altColor">
 <td class="colFirst"><code><a href="../../../../../org/apache/openjpa/kernel/StoreQuery.html" title="interface in org.apache.openjpa.kernel">StoreQuery</a></code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCStoreManager.html#newQuery-java.lang.String-">newQuery</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;language)</code>
 <div class="block">Return a query implementation suitable for this store.</div>
 </td>
 </tr>
 <tr id="i43" class="rowColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCStoreManager.html#releaseConnection--">releaseConnection</a></span>()</code>
 <div class="block">Instruct the store to release a retained connection.</div>
 </td>
 </tr>
 <tr id="i44" class="altColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCStoreManager.html#retainConnection--">retainConnection</a></span>()</code>
 <div class="block">Instruct the store to retain a connection for continued use.</div>
 </td>
 </tr>
 <tr id="i45" class="rowColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCStoreManager.html#rollback--">rollback</a></span>()</code>
 <div class="block">Rollback the current data store transaction.</div>
 </td>
 </tr>
 <tr id="i46" class="altColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCStoreManager.html#rollbackOptimistic--">rollbackOptimistic</a></span>()</code>
 <div class="block">Notification that an optimistic transaction was rolled back before
  a data store transaction ever began.</div>
 </td>
 </tr>
 <tr id="i47" class="rowColor">
 <td class="colFirst"><code>boolean</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCStoreManager.html#select-org.apache.openjpa.jdbc.sql.Select-org.apache.openjpa.jdbc.meta.ClassMapping-int-org.apache.openjpa.kernel.OpenJPAStateManager-java.util.BitSet-org.apache.openjpa.jdbc.kernel.JDBCFetchConfiguration-int-boolean-boolean-">select</a></span>(<a href="../../../../../org/apache/openjpa/jdbc/sql/Select.html" title="interface in org.apache.openjpa.jdbc.sql">Select</a>&nbsp;sel,
       <a href="../../../../../org/apache/openjpa/jdbc/meta/ClassMapping.html" title="class in org.apache.openjpa.jdbc.meta">ClassMapping</a>&nbsp;mapping,
       int&nbsp;subs,
       <a href="../../../../../org/apache/openjpa/kernel/OpenJPAStateManager.html" title="interface in org.apache.openjpa.kernel">OpenJPAStateManager</a>&nbsp;sm,
       <a href="https://docs.oracle.com/javase/8/docs/api/java/util/BitSet.html?is-external=true" title="class or interface in java.util">BitSet</a>&nbsp;fields,
       <a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCFetchConfiguration.html" title="interface in org.apache.openjpa.jdbc.kernel">JDBCFetchConfiguration</a>&nbsp;fetch,
       int&nbsp;eager,
       boolean&nbsp;ident,
       boolean&nbsp;outer)</code>
 <div class="block">For implementation use only.</div>
 </td>
 </tr>
 <tr id="i48" class="altColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCStoreManager.html#setContext-org.apache.openjpa.kernel.StoreContext-">setContext</a></span>(<a href="../../../../../org/apache/openjpa/kernel/StoreContext.html" title="interface in org.apache.openjpa.kernel">StoreContext</a>&nbsp;ctx)</code>
 <div class="block">Set a reference to the corresponding context.</div>
 </td>
 </tr>
 <tr id="i49" class="rowColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCStoreManager.html#setContext-org.apache.openjpa.kernel.StoreContext-org.apache.openjpa.jdbc.conf.JDBCConfiguration-">setContext</a></span>(<a href="../../../../../org/apache/openjpa/kernel/StoreContext.html" title="interface in org.apache.openjpa.kernel">StoreContext</a>&nbsp;ctx,
           <a href="../../../../../org/apache/openjpa/jdbc/conf/JDBCConfiguration.html" title="interface in org.apache.openjpa.jdbc.conf">JDBCConfiguration</a>&nbsp;conf)</code>&nbsp;</td>
 </tr>
 <tr id="i50" class="altColor">
 <td class="colFirst"><code>protected void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCStoreManager.html#setMappedBy-org.apache.openjpa.kernel.OpenJPAStateManager-org.apache.openjpa.jdbc.meta.FieldMapping-java.lang.Object-">setMappedBy</a></span>(<a href="../../../../../org/apache/openjpa/kernel/OpenJPAStateManager.html" title="interface in org.apache.openjpa.kernel">OpenJPAStateManager</a>&nbsp;sm,
            <a href="../../../../../org/apache/openjpa/jdbc/meta/FieldMapping.html" title="class in org.apache.openjpa.jdbc.meta">FieldMapping</a>&nbsp;mappedByFieldMapping,
            <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>&nbsp;mappedByObject)</code>&nbsp;</td>
 </tr>
 <tr id="i51" class="rowColor">
 <td class="colFirst"><code>boolean</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCStoreManager.html#syncVersion-org.apache.openjpa.kernel.OpenJPAStateManager-java.lang.Object-">syncVersion</a></span>(<a href="../../../../../org/apache/openjpa/kernel/OpenJPAStateManager.html" title="interface in org.apache.openjpa.kernel">OpenJPAStateManager</a>&nbsp;sm,
            <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>&nbsp;context)</code>
 <div class="block">Update the version information in the given state manager to the
  version stored in the data store.</div>
 </td>
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 <h4>JDBCStoreManager</h4>
 <pre>public&nbsp;JDBCStoreManager()</pre>
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 <pre>public&nbsp;<a href="../../../../../org/apache/openjpa/kernel/StoreContext.html" title="interface in org.apache.openjpa.kernel">StoreContext</a>&nbsp;getContext()</pre>
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 <div class="block">Current persistence context.</div>
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 <div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../../org/apache/openjpa/kernel/StoreManager.html#setContext-org.apache.openjpa.kernel.StoreContext-">StoreManager</a></code></span></div>
 <div class="block">Set a reference to the corresponding context. This method
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  context, including the transaction mode and connection retain mode.</div>
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 <pre>public&nbsp;<a href="../../../../../org/apache/openjpa/jdbc/conf/JDBCConfiguration.html" title="interface in org.apache.openjpa.jdbc.conf">JDBCConfiguration</a>&nbsp;getConfiguration()</pre>
 <div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCStore.html#getConfiguration--">JDBCStore</a></code></span></div>
 <div class="block">Return the configuration for this runtime.</div>
 <dl>
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 <dd><code><a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCStore.html#getConfiguration--">getConfiguration</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCStore.html" title="interface in org.apache.openjpa.jdbc.kernel">JDBCStore</a></code></dd>
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 <div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCStore.html#getDBDictionary--">JDBCStore</a></code></span></div>
 <div class="block">Return the dictionary in use.</div>
 <dl>
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 <dd><code><a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCStore.html#getDBDictionary--">getDBDictionary</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCStore.html" title="interface in org.apache.openjpa.jdbc.kernel">JDBCStore</a></code></dd>
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 <div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCStore.html#getSQLFactory--">JDBCStore</a></code></span></div>
 <div class="block">Return the SQL factory for this runtime.</div>
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 <dd><code><a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCStore.html#getSQLFactory--">getSQLFactory</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCStore.html" title="interface in org.apache.openjpa.jdbc.kernel">JDBCStore</a></code></dd>
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 <pre>public&nbsp;<a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCLockManager.html" title="interface in org.apache.openjpa.jdbc.kernel">JDBCLockManager</a>&nbsp;getLockManager()</pre>
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 <pre>public&nbsp;<a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCFetchConfiguration.html" title="interface in org.apache.openjpa.jdbc.kernel">JDBCFetchConfiguration</a>&nbsp;getFetchConfiguration()</pre>
 <div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCStore.html#getFetchConfiguration--">JDBCStore</a></code></span></div>
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 <dl>
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 <dd><code><a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCStore.html#getFetchConfiguration--">getFetchConfiguration</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCStore.html" title="interface in org.apache.openjpa.jdbc.kernel">JDBCStore</a></code></dd>
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 <div class="block">Notification that an optimistic transaction has started. This method
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  when a true data store transaction should begin.</div>
 <dl>
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 <dd><code><a href="../../../../../org/apache/openjpa/kernel/StoreManager.html#beginOptimistic--">beginOptimistic</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/openjpa/kernel/StoreManager.html" title="interface in org.apache.openjpa.kernel">StoreManager</a></code></dd>
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  a data store transaction ever began.</div>
 <dl>
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 <dd><code><a href="../../../../../org/apache/openjpa/kernel/StoreManager.html#rollbackOptimistic--">rollbackOptimistic</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/openjpa/kernel/StoreManager.html" title="interface in org.apache.openjpa.kernel">StoreManager</a></code></dd>
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 <div class="block">Begin a data store transaction. After this method is called,
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  transaction that can be committed or rolled back. If optimistic
  transactions are in use, this method will only be called when the
  system requires a transactionally consistent connection due to a
  user request to flush or commit the transaction. In this case, it
  is possible that the optimistic transaction does not have the latest
  versions of all instances (i.e. another transaction has modified the
  same instances and committed since the optimistic transaction started).
  On commit, an exception must be thrown on any attempt to overwrite
  data for an instance with an older version.</div>
 <dl>
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 <dl>
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 <dd><code><a href="../../../../../org/apache/openjpa/kernel/StoreManager.html#commit--">commit</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/openjpa/kernel/StoreManager.html" title="interface in org.apache.openjpa.kernel">StoreManager</a></code></dd>
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 <div class="block">Rollback the current data store transaction.</div>
 <dl>
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 <dd><code><a href="../../../../../org/apache/openjpa/kernel/StoreManager.html#rollback--">rollback</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/openjpa/kernel/StoreManager.html" title="interface in org.apache.openjpa.kernel">StoreManager</a></code></dd>
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 <div class="block">Instruct the store to retain a connection for continued use. This
  will be invoked automatically based on the user's configured connection
  retain mode.</div>
 <dl>
 <dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
 <dd><code><a href="../../../../../org/apache/openjpa/kernel/StoreManager.html#retainConnection--">retainConnection</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/openjpa/kernel/StoreManager.html" title="interface in org.apache.openjpa.kernel">StoreManager</a></code></dd>
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 <div class="block">Instruct the store to release a retained connection. This
  will be invoked automatically based on the user's configured connection
  retain mode.</div>
 <dl>
 <dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
 <dd><code><a href="../../../../../org/apache/openjpa/kernel/StoreManager.html#releaseConnection--">releaseConnection</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/openjpa/kernel/StoreManager.html" title="interface in org.apache.openjpa.kernel">StoreManager</a></code></dd>
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 <pre>public&nbsp;<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>&nbsp;getClientConnection()</pre>
 <div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../../org/apache/openjpa/kernel/StoreManager.html#getClientConnection--">StoreManager</a></code></span></div>
 <div class="block">Return a connection to the data store suitable for client use. If
  this method is called during a data store transaction, thie connection
  must be transactional. If no connection is in use, this method should
  create one to return.</div>
 <dl>
 <dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
 <dd><code><a href="../../../../../org/apache/openjpa/kernel/StoreManager.html#getClientConnection--">getClientConnection</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/openjpa/kernel/StoreManager.html" title="interface in org.apache.openjpa.kernel">StoreManager</a></code></dd>
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 <div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCStore.html#getConnection--">JDBCStore</a></code></span></div>
 <div class="block">Return a SQL connection to the database.
  The <code>close</code> method should always be called on the connection
  to free any resources it is using. When appropriate, the close
  method is implemented as a no-op.</div>
 <dl>
 <dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
 <dd><code><a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCStore.html#getConnection--">getConnection</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCStore.html" title="interface in org.apache.openjpa.jdbc.kernel">JDBCStore</a></code></dd>
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 <pre>protected&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/javax/sql/DataSource.html?is-external=true" title="class or interface in javax.sql">DataSource</a>&nbsp;getDataSource()</pre>
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 <pre>public&nbsp;boolean&nbsp;exists(<a href="../../../../../org/apache/openjpa/kernel/OpenJPAStateManager.html" title="interface in org.apache.openjpa.kernel">OpenJPAStateManager</a>&nbsp;sm,
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 <div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../../org/apache/openjpa/kernel/StoreManager.html#exists-org.apache.openjpa.kernel.OpenJPAStateManager-java.lang.Object-">StoreManager</a></code></span></div>
 <div class="block">Verify that the given instance exists in the data store; return false
  if it does not.</div>
 <dl>
 <dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
 <dd><code><a href="../../../../../org/apache/openjpa/kernel/StoreManager.html#exists-org.apache.openjpa.kernel.OpenJPAStateManager-java.lang.Object-">exists</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/openjpa/kernel/StoreManager.html" title="interface in org.apache.openjpa.kernel">StoreManager</a></code></dd>
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 <div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../../org/apache/openjpa/kernel/StoreManager.html#isCached-java.util.List-java.util.BitSet-">StoreManager</a></code></span></div>
 <div class="block">Verify that the given instance exists in the data store in memory; return false
  if it does not. When an object is found in memory the corresponding element of
  the BitSet is set to 1.</div>
 <dl>
 <dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
 <dd><code><a href="../../../../../org/apache/openjpa/kernel/StoreManager.html#isCached-java.util.List-java.util.BitSet-">isCached</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/openjpa/kernel/StoreManager.html" title="interface in org.apache.openjpa.kernel">StoreManager</a></code></dd>
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 <pre>public&nbsp;boolean&nbsp;syncVersion(<a href="../../../../../org/apache/openjpa/kernel/OpenJPAStateManager.html" title="interface in org.apache.openjpa.kernel">OpenJPAStateManager</a>&nbsp;sm,
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 <div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../../org/apache/openjpa/kernel/StoreManager.html#syncVersion-org.apache.openjpa.kernel.OpenJPAStateManager-java.lang.Object-">StoreManager</a></code></span></div>
 <div class="block">Update the version information in the given state manager to the
  version stored in the data store.</div>
 <dl>
 <dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
 <dd><code><a href="../../../../../org/apache/openjpa/kernel/StoreManager.html#syncVersion-org.apache.openjpa.kernel.OpenJPAStateManager-java.lang.Object-">syncVersion</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/openjpa/kernel/StoreManager.html" title="interface in org.apache.openjpa.kernel">StoreManager</a></code></dd>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>sm</code> - the instance to check</dd>
 <dd><code>context</code> - the current execution data, or null if not
  given to the calling method of the context</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>true if the instance still exists in the
  datastore and is up-to-date, false otherwise</dd>
 </dl>
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 <pre>public&nbsp;int&nbsp;compareVersion(<a href="../../../../../org/apache/openjpa/kernel/OpenJPAStateManager.html" title="interface in org.apache.openjpa.kernel">OpenJPAStateManager</a>&nbsp;state,
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 <div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../../org/apache/openjpa/kernel/StoreManager.html#compareVersion-org.apache.openjpa.kernel.OpenJPAStateManager-java.lang.Object-java.lang.Object-">StoreManager</a></code></span></div>
 <div class="block">Compare the two version objects.</div>
 <dl>
 <dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
 <dd><code><a href="../../../../../org/apache/openjpa/kernel/StoreManager.html#compareVersion-org.apache.openjpa.kernel.OpenJPAStateManager-java.lang.Object-java.lang.Object-">compareVersion</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/openjpa/kernel/StoreManager.html" title="interface in org.apache.openjpa.kernel">StoreManager</a></code></dd>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>state</code> - the state manager for the object</dd>
 <dd><code>v1</code> - the first version object to compare</dd>
 <dd><code>v2</code> - the second version object to compare</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd><ul>
  <li><a href="../../../../../org/apache/openjpa/kernel/StoreManager.html#VERSION_LATER"><code>StoreManager.VERSION_LATER</code></a> if <code>v1</code>
  is later than <code>v2</code></li>
  <li><a href="../../../../../org/apache/openjpa/kernel/StoreManager.html#VERSION_EARLIER"><code>StoreManager.VERSION_EARLIER</code></a> if <code>v1</code>
  is earlier than <code>v2</code></li>
  <li><a href="../../../../../org/apache/openjpa/kernel/StoreManager.html#VERSION_SAME"><code>StoreManager.VERSION_SAME</code></a> if <code>v1</code>
  is the same as <code>v2</code></li>
  <li><a href="../../../../../org/apache/openjpa/kernel/StoreManager.html#VERSION_DIFFERENT"><code>StoreManager.VERSION_DIFFERENT</code></a> if <code>v1</code>
  is different from <code>v2</code>, but the time
  difference of the versions cannot be determined</li>
  </ul></dd>
 </dl>
 </li>
 </ul>
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 <pre>public&nbsp;boolean&nbsp;initialize(<a href="../../../../../org/apache/openjpa/kernel/OpenJPAStateManager.html" title="interface in org.apache.openjpa.kernel">OpenJPAStateManager</a>&nbsp;sm,
                           <a href="../../../../../org/apache/openjpa/kernel/PCState.html" title="class in org.apache.openjpa.kernel">PCState</a>&nbsp;state,
                           <a href="../../../../../org/apache/openjpa/kernel/FetchConfiguration.html" title="interface in org.apache.openjpa.kernel">FetchConfiguration</a>&nbsp;fetch,
                           <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>&nbsp;context)</pre>
 <div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../../org/apache/openjpa/kernel/StoreManager.html#initialize-org.apache.openjpa.kernel.OpenJPAStateManager-org.apache.openjpa.kernel.PCState-org.apache.openjpa.kernel.FetchConfiguration-java.lang.Object-">StoreManager</a></code></span></div>
 <div class="block">Initialize the given state manager. The object id of the
  state manager will be set, and the state manager's metadata be set to
  the class of the instance to load, or possibly one of its superclasses.
  Initialization involves first calling the
  <a href="../../../../../org/apache/openjpa/kernel/OpenJPAStateManager.html#initialize-java.lang.Class-org.apache.openjpa.kernel.PCState-"><code>OpenJPAStateManager.initialize(java.lang.Class, org.apache.openjpa.kernel.PCState)</code></a> method with
  a new instance of the correct type constructed with the
  <a href="../../../../../org/apache/openjpa/enhance/PCRegistry.html#newInstance-java.lang.Class-org.apache.openjpa.enhance.StateManager-boolean-"><code>PCRegistry.newInstance(Class,
  org.apache.openjpa.enhance.StateManager, boolean)</code></a> method
  (this will reset the state manager's metadata if the actual type was a
  subclass). After instance initialization, load any the fields for the
  given fetch configuration that can be efficiently retrieved. If any of
  the configured fields are not loaded in this method, they will be
  loaded with a subsequent call to <a href="../../../../../org/apache/openjpa/kernel/StoreManager.html#load-org.apache.openjpa.kernel.OpenJPAStateManager-java.util.BitSet-org.apache.openjpa.kernel.FetchConfiguration-int-java.lang.Object-"><code>StoreManager.load(org.apache.openjpa.kernel.OpenJPAStateManager, java.util.BitSet, org.apache.openjpa.kernel.FetchConfiguration, int, java.lang.Object)</code></a>. If this method is
  called during a data store transaction, the instance's database record
  should be locked. Version information can be loaded if desired through
  the <a href="../../../../../org/apache/openjpa/kernel/OpenJPAStateManager.html#setVersion-java.lang.Object-"><code>OpenJPAStateManager.setVersion(java.lang.Object)</code></a> method.</div>
 <dl>
 <dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
 <dd><code><a href="../../../../../org/apache/openjpa/kernel/StoreManager.html#initialize-org.apache.openjpa.kernel.OpenJPAStateManager-org.apache.openjpa.kernel.PCState-org.apache.openjpa.kernel.FetchConfiguration-java.lang.Object-">initialize</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/openjpa/kernel/StoreManager.html" title="interface in org.apache.openjpa.kernel">StoreManager</a></code></dd>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>sm</code> - the instance to initialize</dd>
 <dd><code>state</code> - the lifecycle state to initialize the state manager with</dd>
 <dd><code>fetch</code> - configuration for how to load the instance</dd>
 <dd><code>context</code> - the current execution data, or null if not
  given to the calling method of the broker</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>true if the matching instance exists in the data
  store, false otherwise</dd>
 </dl>
 </li>
 </ul>
 <a name="initializeState-org.apache.openjpa.kernel.OpenJPAStateManager-org.apache.openjpa.kernel.PCState-org.apache.openjpa.jdbc.kernel.JDBCFetchConfiguration-org.apache.openjpa.jdbc.kernel.ConnectionInfo-">
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 <pre>protected&nbsp;boolean&nbsp;initializeState(<a href="../../../../../org/apache/openjpa/kernel/OpenJPAStateManager.html" title="interface in org.apache.openjpa.kernel">OpenJPAStateManager</a>&nbsp;sm,
                                   <a href="../../../../../org/apache/openjpa/kernel/PCState.html" title="class in org.apache.openjpa.kernel">PCState</a>&nbsp;state,
                                   <a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCFetchConfiguration.html" title="interface in org.apache.openjpa.jdbc.kernel">JDBCFetchConfiguration</a>&nbsp;fetch,
                                   <a href="../../../../../org/apache/openjpa/jdbc/kernel/ConnectionInfo.html" title="class in org.apache.openjpa.jdbc.kernel">ConnectionInfo</a>&nbsp;info)
                            throws <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/ClassNotFoundException.html?is-external=true" title="class or interface in java.lang">ClassNotFoundException</a>,
                                   <a href="https://docs.oracle.com/javase/8/docs/api/java/sql/SQLException.html?is-external=true" title="class or interface in java.sql">SQLException</a></pre>
 <div class="block">Initialize a newly-loaded instance.</div>
 <dl>
 <dt><span class="throwsLabel">Throws:</span></dt>
 <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/ClassNotFoundException.html?is-external=true" title="class or interface in java.lang">ClassNotFoundException</a></code></dd>
 <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/sql/SQLException.html?is-external=true" title="class or interface in java.sql">SQLException</a></code></dd>
 </dl>
 </li>
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 <pre>protected&nbsp;void&nbsp;setMappedBy(<a href="../../../../../org/apache/openjpa/kernel/OpenJPAStateManager.html" title="interface in org.apache.openjpa.kernel">OpenJPAStateManager</a>&nbsp;sm,
                            <a href="../../../../../org/apache/openjpa/jdbc/meta/FieldMapping.html" title="class in org.apache.openjpa.jdbc.meta">FieldMapping</a>&nbsp;mappedByFieldMapping,
                            <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>&nbsp;mappedByObject)</pre>
 </li>
 </ul>
 <a name="getVersion-org.apache.openjpa.jdbc.meta.ClassMapping-org.apache.openjpa.kernel.OpenJPAStateManager-org.apache.openjpa.jdbc.sql.Result-">
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 <h4>getVersion</h4>
 <pre>protected&nbsp;void&nbsp;getVersion(<a href="../../../../../org/apache/openjpa/jdbc/meta/ClassMapping.html" title="class in org.apache.openjpa.jdbc.meta">ClassMapping</a>&nbsp;mapping,
                           <a href="../../../../../org/apache/openjpa/kernel/OpenJPAStateManager.html" title="interface in org.apache.openjpa.kernel">OpenJPAStateManager</a>&nbsp;sm,
                           <a href="../../../../../org/apache/openjpa/jdbc/sql/Result.html" title="interface in org.apache.openjpa.jdbc.sql">Result</a>&nbsp;res)
                    throws <a href="https://docs.oracle.com/javase/8/docs/api/java/sql/SQLException.html?is-external=true" title="class or interface in java.sql">SQLException</a></pre>
 <div class="block">This method is to provide override for non-JDBC or JDBC-like
  implementation of getting version from the result set.</div>
 <dl>
 <dt><span class="throwsLabel">Throws:</span></dt>
 <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/sql/SQLException.html?is-external=true" title="class or interface in java.sql">SQLException</a></code></dd>
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 <pre>protected&nbsp;boolean&nbsp;isEmptyResult(<a href="../../../../../org/apache/openjpa/jdbc/sql/Result.html" title="interface in org.apache.openjpa.jdbc.sql">Result</a>&nbsp;res)
                          throws <a href="https://docs.oracle.com/javase/8/docs/api/java/sql/SQLException.html?is-external=true" title="class or interface in java.sql">SQLException</a></pre>
 <div class="block">This method is to provide override for non-JDBC or JDBC-like
  implementation of checking whether the result set is empty or not.</div>
 <dl>
 <dt><span class="throwsLabel">Throws:</span></dt>
 <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/sql/SQLException.html?is-external=true" title="class or interface in java.sql">SQLException</a></code></dd>
 </dl>
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 <h4>getType</h4>
 <pre>protected&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>&lt;?&gt;&nbsp;getType(<a href="../../../../../org/apache/openjpa/jdbc/sql/Result.html" title="interface in org.apache.openjpa.jdbc.sql">Result</a>&nbsp;res,
                            <a href="../../../../../org/apache/openjpa/jdbc/meta/ClassMapping.html" title="class in org.apache.openjpa.jdbc.meta">ClassMapping</a>&nbsp;mapping)</pre>
 <div class="block">This method is to provide override for non-JDBC or JDBC-like
  implementation of getting type from the result set.</div>
 </li>
 </ul>
 <a name="load-org.apache.openjpa.kernel.OpenJPAStateManager-java.util.BitSet-org.apache.openjpa.kernel.FetchConfiguration-int-java.lang.Object-">
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 <pre>public&nbsp;boolean&nbsp;load(<a href="../../../../../org/apache/openjpa/kernel/OpenJPAStateManager.html" title="interface in org.apache.openjpa.kernel">OpenJPAStateManager</a>&nbsp;sm,
                     <a href="https://docs.oracle.com/javase/8/docs/api/java/util/BitSet.html?is-external=true" title="class or interface in java.util">BitSet</a>&nbsp;fields,
                     <a href="../../../../../org/apache/openjpa/kernel/FetchConfiguration.html" title="interface in org.apache.openjpa.kernel">FetchConfiguration</a>&nbsp;fetch,
                     int&nbsp;lockLevel,
                     <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>&nbsp;context)</pre>
 <div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../../org/apache/openjpa/kernel/StoreManager.html#load-org.apache.openjpa.kernel.OpenJPAStateManager-java.util.BitSet-org.apache.openjpa.kernel.FetchConfiguration-int-java.lang.Object-">StoreManager</a></code></span></div>
 <div class="block">Load the given state manager.
  Note that any collection or map types loaded into the state manager
  will be proxied with the correct type; therefore the store manager
  does not have to load the same concrete collection/map types as the
  instance declares. However, array types must be consistent with the
  array type stored by the persistence capable instance. If this method
  is called during a data store transaction, the instance should be
  locked. If the given state manager does not have its version set
  already, version information can be loaded if desired through the
  <a href="../../../../../org/apache/openjpa/kernel/OpenJPAStateManager.html#setVersion-java.lang.Object-"><code>OpenJPAStateManager.setVersion(java.lang.Object)</code></a> method.</div>
 <dl>
 <dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
 <dd><code><a href="../../../../../org/apache/openjpa/kernel/StoreManager.html#load-org.apache.openjpa.kernel.OpenJPAStateManager-java.util.BitSet-org.apache.openjpa.kernel.FetchConfiguration-int-java.lang.Object-">load</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/openjpa/kernel/StoreManager.html" title="interface in org.apache.openjpa.kernel">StoreManager</a></code></dd>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>sm</code> - the instance to load</dd>
 <dd><code>fields</code> - set of fields to load; all field indexes in this
  set must be loaded; this set is mutable</dd>
 <dd><code>fetch</code> - the fetch configuration to use when loading
  related objects</dd>
 <dd><code>lockLevel</code> - attempt to load simple fields at this lock level;
  relations should be loaded at the read lock level
  of the fetch configuration</dd>
 <dd><code>context</code> - the current execution data, or null if not
  given to the calling method of the broker</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>false if the object no longer exists in the
  database, true otherwise</dd>
 </dl>
 </li>
 </ul>
 <a name="loadAll-java.util.Collection-org.apache.openjpa.kernel.PCState-int-org.apache.openjpa.kernel.FetchConfiguration-java.lang.Object-">
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 <h4>loadAll</h4>
 <pre>public&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a>&nbsp;loadAll(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a>&nbsp;sms,
                           <a href="../../../../../org/apache/openjpa/kernel/PCState.html" title="class in org.apache.openjpa.kernel">PCState</a>&nbsp;state,
                           int&nbsp;load,
                           <a href="../../../../../org/apache/openjpa/kernel/FetchConfiguration.html" title="interface in org.apache.openjpa.kernel">FetchConfiguration</a>&nbsp;fetch,
                           <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>&nbsp;context)</pre>
 <div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../../org/apache/openjpa/kernel/StoreManager.html#loadAll-java.util.Collection-org.apache.openjpa.kernel.PCState-int-org.apache.openjpa.kernel.FetchConfiguration-java.lang.Object-">StoreManager</a></code></span></div>
 <div class="block">Initialize, load, or validate the existance of all of the given
  objects. This method is called from various broker methods that act
  on multiple objects, such as <a href="../../../../../org/apache/openjpa/kernel/StoreContext.html#retrieveAll-java.util.Collection-boolean-org.apache.openjpa.kernel.OpCallbacks-"><code>StoreContext.retrieveAll(java.util.Collection&lt;java.lang.Object&gt;, boolean, org.apache.openjpa.kernel.OpCallbacks)</code></a>. It gives
  the store manager an opportunity to efficiently batch-load data for
  several objects. Each of the given state managers will be in one of
  three states, each requiring a different action:
  <ul>
  <li><code>stateManager.getO () == null</code>: An
  uninitialized state manager. Perform the same actions as in
  <a href="../../../../../org/apache/openjpa/kernel/StoreManager.html#initialize-org.apache.openjpa.kernel.OpenJPAStateManager-org.apache.openjpa.kernel.PCState-org.apache.openjpa.kernel.FetchConfiguration-java.lang.Object-"><code>StoreManager.initialize(org.apache.openjpa.kernel.OpenJPAStateManager, org.apache.openjpa.kernel.PCState, org.apache.openjpa.kernel.FetchConfiguration, java.lang.Object)</code></a>.
  <li><code>load != FORCE_LOAD_NONE || stateManager.getPCState ()
  == PCState.HOLLOW</code>: A hollow state manager, or one whose
  fields must be loaded because this is a refresh or retrieve action.
  Peform the same actions as in <a href="../../../../../org/apache/openjpa/kernel/StoreManager.html#load-org.apache.openjpa.kernel.OpenJPAStateManager-java.util.BitSet-org.apache.openjpa.kernel.FetchConfiguration-int-java.lang.Object-"><code>StoreManager.load(org.apache.openjpa.kernel.OpenJPAStateManager, java.util.BitSet, org.apache.openjpa.kernel.FetchConfiguration, int, java.lang.Object)</code></a>, choosing the fields
  to load based on the fetch configuration, or loading all fields
  if <code>load == FORCE_LOAD_ALL</code>. Any required fields left
  unloaded will cause a subsequent invocation of <a href="../../../../../org/apache/openjpa/kernel/StoreManager.html#load-org.apache.openjpa.kernel.OpenJPAStateManager-java.util.BitSet-org.apache.openjpa.kernel.FetchConfiguration-int-java.lang.Object-"><code>StoreManager.load(org.apache.openjpa.kernel.OpenJPAStateManager, java.util.BitSet, org.apache.openjpa.kernel.FetchConfiguration, int, java.lang.Object)</code></a> on
  the individual object in question.</li>
  <li><code>load == FORCE_LOAD_NONE &amp;&amp;
  stateManager.getPCState () != PCState.HOLLOW</code>: A non-hollow
  state manager. Perform the same actions as in <a href="../../../../../org/apache/openjpa/kernel/StoreManager.html#exists-org.apache.openjpa.kernel.OpenJPAStateManager-java.lang.Object-"><code>StoreManager.exists(org.apache.openjpa.kernel.OpenJPAStateManager, java.lang.Object)</code></a>,
  and load additional state if desired. Non-hollow objects will only
  be included outside of refresh invocations if a user calls
  <code>findAll</code> with the <code>validate</code>
  parameter set to <code>true</code>.</li>
  </ul>
  Store managers that cannot efficiently batch load can simply test
  for these conditions and delegate to the proper methods.</div>
 <dl>
 <dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
 <dd><code><a href="../../../../../org/apache/openjpa/kernel/StoreManager.html#loadAll-java.util.Collection-org.apache.openjpa.kernel.PCState-int-org.apache.openjpa.kernel.FetchConfiguration-java.lang.Object-">loadAll</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/openjpa/kernel/StoreManager.html" title="interface in org.apache.openjpa.kernel">StoreManager</a></code></dd>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>sms</code> - the state manager instances to load</dd>
 <dd><code>state</code> - the lifecycle state to initialize uninitialized
  state managers with; may be null if no uninitialized
  instances are included in <code>sms</code></dd>
 <dd><code>load</code> - one of the FORCE_LOAD_* constants describing the
  fields to force-load if this is a refresh or retrieve action</dd>
 <dd><code>fetch</code> - the current fetch configuration to use when loading
  related objects</dd>
 <dd><code>context</code> - the current execution data, or null if not
  given to the calling method of the broker</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>a collection of the state manager identities for
  which no data store record exists</dd>
 <dt><span class="seeLabel">See Also:</span></dt>
 <dd><a href="../../../../../org/apache/openjpa/util/ImplHelper.html#loadAll-java.util.Collection-org.apache.openjpa.kernel.StoreManager-org.apache.openjpa.kernel.PCState-int-org.apache.openjpa.kernel.FetchConfiguration-java.lang.Object-"><code>ImplHelper.loadAll(java.util.Collection, org.apache.openjpa.kernel.StoreManager, org.apache.openjpa.kernel.PCState, int, org.apache.openjpa.kernel.FetchConfiguration, java.lang.Object)</code></a></dd>
 </dl>
 </li>
 </ul>
 <a name="beforeStateChange-org.apache.openjpa.kernel.OpenJPAStateManager-org.apache.openjpa.kernel.PCState-org.apache.openjpa.kernel.PCState-">
 <!--   -->
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 <h4>beforeStateChange</h4>
 <pre>public&nbsp;void&nbsp;beforeStateChange(<a href="../../../../../org/apache/openjpa/kernel/OpenJPAStateManager.html" title="interface in org.apache.openjpa.kernel">OpenJPAStateManager</a>&nbsp;sm,
                               <a href="../../../../../org/apache/openjpa/kernel/PCState.html" title="class in org.apache.openjpa.kernel">PCState</a>&nbsp;fromState,
                               <a href="../../../../../org/apache/openjpa/kernel/PCState.html" title="class in org.apache.openjpa.kernel">PCState</a>&nbsp;toState)</pre>
 <div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../../org/apache/openjpa/kernel/StoreManager.html#beforeStateChange-org.apache.openjpa.kernel.OpenJPAStateManager-org.apache.openjpa.kernel.PCState-org.apache.openjpa.kernel.PCState-">StoreManager</a></code></span></div>
 <div class="block">Notification that the given state manager is about to change its
  lifecycle state. The store manager is not required to do anything in
  this method, but some back ends may need to.</div>
 <dl>
 <dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
 <dd><code><a href="../../../../../org/apache/openjpa/kernel/StoreManager.html#beforeStateChange-org.apache.openjpa.kernel.OpenJPAStateManager-org.apache.openjpa.kernel.PCState-org.apache.openjpa.kernel.PCState-">beforeStateChange</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/openjpa/kernel/StoreManager.html" title="interface in org.apache.openjpa.kernel">StoreManager</a></code></dd>
 </dl>
 </li>
 </ul>
 <a name="flush-java.util.Collection-">
 <!--   -->
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 <ul class="blockList">
 <li class="blockList">
 <h4>flush</h4>
 <pre>public&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a>&nbsp;flush(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a>&nbsp;sms)</pre>
 <div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../../org/apache/openjpa/kernel/StoreManager.html#flush-java.util.Collection-">StoreManager</a></code></span></div>
 <div class="block">Flush the given state manager collection to the datastore, returning
  a collection of exceptions encountered during flushing.
  The given collection may include states that do not require data
  store action, such as persistent-clean instances or persistent-dirty
  instances that have not been modified since they were last flushed.
  For datastore updates and inserts, the dirty, non-flushed fields of
  each state should be flushed. New instances without an assigned object
  id should be given one via <a href="../../../../../org/apache/openjpa/kernel/OpenJPAStateManager.html#setObjectId-java.lang.Object-"><code>OpenJPAStateManager.setObjectId(java.lang.Object)</code></a>. New
  instances with value-strategy fields that have not been assigned yet
  should have their fields set. Datastore version information should be
  updated during flush, and the state manager's version indicator
  updated through the <a href="../../../../../org/apache/openjpa/kernel/OpenJPAStateManager.html#setNextVersion-java.lang.Object-"><code>OpenJPAStateManager.setNextVersion(java.lang.Object)</code></a> method.
  The current version will roll over to this next version upon successful
  commit.</div>
 <dl>
 <dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
 <dd><code><a href="../../../../../org/apache/openjpa/kernel/StoreManager.html#flush-java.util.Collection-">flush</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/openjpa/kernel/StoreManager.html" title="interface in org.apache.openjpa.kernel">StoreManager</a></code></dd>
 <dt><span class="seeLabel">See Also:</span></dt>
 <dd><code>org.apache.openjpa.util.ApplicationIds#assign()</code></dd>
 </dl>
 </li>
 </ul>
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 <h4>cancelAll</h4>
 <pre>public&nbsp;boolean&nbsp;cancelAll()</pre>
 <div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../../org/apache/openjpa/kernel/StoreManager.html#cancelAll--">StoreManager</a></code></span></div>
 <div class="block">Cancel all pending data store statements.</div>
 <dl>
 <dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
 <dd><code><a href="../../../../../org/apache/openjpa/kernel/StoreManager.html#cancelAll--">cancelAll</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/openjpa/kernel/StoreManager.html" title="interface in org.apache.openjpa.kernel">StoreManager</a></code></dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>true if any statements cancelled, false otherwise</dd>
 </dl>
 </li>
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 <a name="assignObjectId-org.apache.openjpa.kernel.OpenJPAStateManager-boolean-">
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 <h4>assignObjectId</h4>
 <pre>public&nbsp;boolean&nbsp;assignObjectId(<a href="../../../../../org/apache/openjpa/kernel/OpenJPAStateManager.html" title="interface in org.apache.openjpa.kernel">OpenJPAStateManager</a>&nbsp;sm,
                               boolean&nbsp;preFlush)</pre>
 <div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../../org/apache/openjpa/kernel/StoreManager.html#assignObjectId-org.apache.openjpa.kernel.OpenJPAStateManager-boolean-">StoreManager</a></code></span></div>
 <div class="block">Assign an object id to the given new instance. Return false if the
  instance cannot be assigned an identity because a flush is required
  (for example, the identity is determined by the datastore on insert).
  For application identity instances, the assigned object id should be
  based on field state. The implementation is responsible for using the
  proper value strategy according to the instance metadata. This method
  is called the first time a user requests the oid of a new instance
  before flush.</div>
 <dl>
 <dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
 <dd><code><a href="../../../../../org/apache/openjpa/kernel/StoreManager.html#assignObjectId-org.apache.openjpa.kernel.OpenJPAStateManager-boolean-">assignObjectId</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/openjpa/kernel/StoreManager.html" title="interface in org.apache.openjpa.kernel">StoreManager</a></code></dd>
 <dd><code>preFlush</code> - whether this assignment is being requested by the
  system as part of pre-flush activities, and can
  be ignored if it is more efficient to assign within <a href="../../../../../org/apache/openjpa/kernel/StoreManager.html#flush-java.util.Collection-"><code>StoreManager.flush(java.util.Collection&lt;org.apache.openjpa.kernel.OpenJPAStateManager&gt;)</code></a></dd>
 <dt><span class="seeLabel">See Also:</span></dt>
 <dd><a href="../../../../../org/apache/openjpa/util/ImplHelper.html#generateFieldValue-org.apache.openjpa.kernel.StoreContext-org.apache.openjpa.meta.FieldMetaData-"><code>ImplHelper.generateFieldValue(org.apache.openjpa.kernel.StoreContext, org.apache.openjpa.meta.FieldMetaData)</code></a>,
 <a href="../../../../../org/apache/openjpa/util/ImplHelper.html#generateIdentityValue-org.apache.openjpa.kernel.StoreContext-org.apache.openjpa.meta.ClassMetaData-int-"><code>ImplHelper.generateIdentityValue(org.apache.openjpa.kernel.StoreContext, org.apache.openjpa.meta.ClassMetaData, int)</code></a>,
 <code>org.apache.openjpa.util.ApplicationIds#assign()</code></dd>
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                            int&nbsp;field,
                            boolean&nbsp;preFlush)</pre>
 <div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../../org/apache/openjpa/kernel/StoreManager.html#assignField-org.apache.openjpa.kernel.OpenJPAStateManager-int-boolean-">StoreManager</a></code></span></div>
 <div class="block">Assign a value to the given field. Return false if the value cannot
  be assigned because a flush is required (for example, the field value
  is determined by the datastore on insert). This method is called the
  first time a user requests the value of a field with a value-strategy
  on a new instance before flush.</div>
 <dl>
 <dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
 <dd><code><a href="../../../../../org/apache/openjpa/kernel/StoreManager.html#assignField-org.apache.openjpa.kernel.OpenJPAStateManager-int-boolean-">assignField</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/openjpa/kernel/StoreManager.html" title="interface in org.apache.openjpa.kernel">StoreManager</a></code></dd>
 <dd><code>preFlush</code> - whether this assignment is being requested by the
  system as part of pre-flush activities, and can
  be ignored if it is more efficient to assign within <a href="../../../../../org/apache/openjpa/kernel/StoreManager.html#flush-java.util.Collection-"><code>StoreManager.flush(java.util.Collection&lt;org.apache.openjpa.kernel.OpenJPAStateManager&gt;)</code></a></dd>
 <dt><span class="seeLabel">See Also:</span></dt>
 <dd><a href="../../../../../org/apache/openjpa/util/ImplHelper.html#generateFieldValue-org.apache.openjpa.kernel.StoreContext-org.apache.openjpa.meta.FieldMetaData-"><code>ImplHelper.generateFieldValue(org.apache.openjpa.kernel.StoreContext, org.apache.openjpa.meta.FieldMetaData)</code></a></dd>
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 <pre>public&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>&lt;?&gt;&nbsp;getManagedType(<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>&nbsp;oid)</pre>
 <div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../../org/apache/openjpa/kernel/StoreManager.html#getManagedType-java.lang.Object-">StoreManager</a></code></span></div>
 <div class="block">Return the persistent class for the given data store identity value.
  If the given value is not a datastore identity object, return null.</div>
 <dl>
 <dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
 <dd><code><a href="../../../../../org/apache/openjpa/kernel/StoreManager.html#getManagedType-java.lang.Object-">getManagedType</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/openjpa/kernel/StoreManager.html" title="interface in org.apache.openjpa.kernel">StoreManager</a></code></dd>
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 <pre>public&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>&lt;?&gt;&nbsp;getDataStoreIdType(<a href="../../../../../org/apache/openjpa/meta/ClassMetaData.html" title="class in org.apache.openjpa.meta">ClassMetaData</a>&nbsp;meta)</pre>
 <div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../../org/apache/openjpa/kernel/StoreManager.html#getDataStoreIdType-org.apache.openjpa.meta.ClassMetaData-">StoreManager</a></code></span></div>
 <div class="block">Return the class used by this StoreManager for datastore identity
  values. The given metadata may be null, in which case the return
  value should the common datastore identity class for all classes, or
  null if this store manager does not use a common identity class.</div>
 <dl>
 <dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
 <dd><code><a href="../../../../../org/apache/openjpa/kernel/StoreManager.html#getDataStoreIdType-org.apache.openjpa.meta.ClassMetaData-">getDataStoreIdType</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/openjpa/kernel/StoreManager.html" title="interface in org.apache.openjpa.kernel">StoreManager</a></code></dd>
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 <pre>public&nbsp;<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>&nbsp;copyDataStoreId(<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>&nbsp;oid,
                               <a href="../../../../../org/apache/openjpa/meta/ClassMetaData.html" title="class in org.apache.openjpa.meta">ClassMetaData</a>&nbsp;meta)</pre>
 <div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../../org/apache/openjpa/kernel/StoreManager.html#copyDataStoreId-java.lang.Object-org.apache.openjpa.meta.ClassMetaData-">StoreManager</a></code></span></div>
 <div class="block">Copy the given object id value. Use the described type of the given
  metadata, which may be a subclass of the given oid's described type.</div>
 <dl>
 <dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
 <dd><code><a href="../../../../../org/apache/openjpa/kernel/StoreManager.html#copyDataStoreId-java.lang.Object-org.apache.openjpa.meta.ClassMetaData-">copyDataStoreId</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/openjpa/kernel/StoreManager.html" title="interface in org.apache.openjpa.kernel">StoreManager</a></code></dd>
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 <pre>public&nbsp;<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>&nbsp;newDataStoreId(<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>&nbsp;val,
                              <a href="../../../../../org/apache/openjpa/meta/ClassMetaData.html" title="class in org.apache.openjpa.meta">ClassMetaData</a>&nbsp;meta)</pre>
 <div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../../org/apache/openjpa/kernel/StoreManager.html#newDataStoreId-java.lang.Object-org.apache.openjpa.meta.ClassMetaData-">StoreManager</a></code></span></div>
 <div class="block">Create a new unique datastore identity for the given type from
  the given oid value (presumably pk, stringified oid, or oid instance).</div>
 <dl>
 <dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
 <dd><code><a href="../../../../../org/apache/openjpa/kernel/StoreManager.html#newDataStoreId-java.lang.Object-org.apache.openjpa.meta.ClassMetaData-">newDataStoreId</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/openjpa/kernel/StoreManager.html" title="interface in org.apache.openjpa.kernel">StoreManager</a></code></dd>
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 <pre>public&nbsp;<a href="../../../../../org/apache/openjpa/util/Id.html" title="class in org.apache.openjpa.util">Id</a>&nbsp;newDataStoreId(long&nbsp;id,
                          <a href="../../../../../org/apache/openjpa/jdbc/meta/ClassMapping.html" title="class in org.apache.openjpa.jdbc.meta">ClassMapping</a>&nbsp;mapping,
                          boolean&nbsp;subs)</pre>
 <div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCStore.html#newDataStoreId-long-org.apache.openjpa.jdbc.meta.ClassMapping-boolean-">JDBCStore</a></code></span></div>
 <div class="block">Create a new datastore identity object from the given id value and
  mapping.</div>
 <dl>
 <dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
 <dd><code><a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCStore.html#newDataStoreId-long-org.apache.openjpa.jdbc.meta.ClassMapping-boolean-">newDataStoreId</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCStore.html" title="interface in org.apache.openjpa.jdbc.kernel">JDBCStore</a></code></dd>
 </dl>
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 <pre>public&nbsp;<a href="../../../../../org/apache/openjpa/lib/rop/ResultObjectProvider.html" title="interface in org.apache.openjpa.lib.rop">ResultObjectProvider</a>&nbsp;executeExtent(<a href="../../../../../org/apache/openjpa/meta/ClassMetaData.html" title="class in org.apache.openjpa.meta">ClassMetaData</a>&nbsp;meta,
                                           boolean&nbsp;subclasses,
                                           <a href="../../../../../org/apache/openjpa/kernel/FetchConfiguration.html" title="interface in org.apache.openjpa.kernel">FetchConfiguration</a>&nbsp;fetch)</pre>
 <div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../../org/apache/openjpa/kernel/StoreManager.html#executeExtent-org.apache.openjpa.meta.ClassMetaData-boolean-org.apache.openjpa.kernel.FetchConfiguration-">StoreManager</a></code></span></div>
 <div class="block">Return a provider for all instances of the given candidate class,
  optionally including subclasses. The given candidate may be an
  unmapped type with mapped subclasses. If the provider is iterated
  within a data store transaction, returned instances should be locked.</div>
 <dl>
 <dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
 <dd><code><a href="../../../../../org/apache/openjpa/kernel/StoreManager.html#executeExtent-org.apache.openjpa.meta.ClassMetaData-boolean-org.apache.openjpa.kernel.FetchConfiguration-">executeExtent</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/openjpa/kernel/StoreManager.html" title="interface in org.apache.openjpa.kernel">StoreManager</a></code></dd>
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 <pre>public&nbsp;<a href="../../../../../org/apache/openjpa/kernel/StoreQuery.html" title="interface in org.apache.openjpa.kernel">StoreQuery</a>&nbsp;newQuery(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;language)</pre>
 <div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../../org/apache/openjpa/kernel/StoreManager.html#newQuery-java.lang.String-">StoreManager</a></code></span></div>
 <div class="block">Return a query implementation suitable for this store. If the query
  is iterated within a data store transaction, returned instances should
  be locked. Return null if this store does not support native execution
  of the given language. OpenJPA can execute JPQL in memory even without
  back end support.</div>
 <dl>
 <dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
 <dd><code><a href="../../../../../org/apache/openjpa/kernel/StoreManager.html#newQuery-java.lang.String-">newQuery</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/openjpa/kernel/StoreManager.html" title="interface in org.apache.openjpa.kernel">StoreManager</a></code></dd>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>language</code> - the query language</dd>
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 <pre>public&nbsp;<a href="../../../../../org/apache/openjpa/kernel/FetchConfiguration.html" title="interface in org.apache.openjpa.kernel">FetchConfiguration</a>&nbsp;newFetchConfiguration()</pre>
 <div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../../org/apache/openjpa/kernel/StoreManager.html#newFetchConfiguration--">StoreManager</a></code></span></div>
 <div class="block">Return a fetch configuration suitable for this runtime. Typically
  will be or extend <code>FetchConfigurationImpl</code>.</div>
 <dl>
 <dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
 <dd><code><a href="../../../../../org/apache/openjpa/kernel/StoreManager.html#newFetchConfiguration--">newFetchConfiguration</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/openjpa/kernel/StoreManager.html" title="interface in org.apache.openjpa.kernel">StoreManager</a></code></dd>
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 <pre>public&nbsp;<a href="../../../../../org/apache/openjpa/kernel/Seq.html" title="interface in org.apache.openjpa.kernel">Seq</a>&nbsp;getDataStoreIdSequence(<a href="../../../../../org/apache/openjpa/meta/ClassMetaData.html" title="class in org.apache.openjpa.meta">ClassMetaData</a>&nbsp;meta)</pre>
 <div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../../org/apache/openjpa/kernel/StoreManager.html#getDataStoreIdSequence-org.apache.openjpa.meta.ClassMetaData-">StoreManager</a></code></span></div>
 <div class="block">Return a sequence that generates datastore identity values for the
  given class. This method will only be called when the identity strategy
  for the class is one of:
  <ul>
  <li><a href="../../../../../org/apache/openjpa/meta/ValueStrategies.html#NATIVE"><code>ValueStrategies.NATIVE</code></a></li>
  <li><a href="../../../../../org/apache/openjpa/meta/ValueStrategies.html#AUTOASSIGN"><code>ValueStrategies.AUTOASSIGN</code></a></li>
  <li><a href="../../../../../org/apache/openjpa/meta/ValueStrategies.html#INCREMENT"><code>ValueStrategies.INCREMENT</code></a></li>
  </ul>
  If the identity strategy cannot be represented as a sequence, return
  null.</div>
 <dl>
 <dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
 <dd><code><a href="../../../../../org/apache/openjpa/kernel/StoreManager.html#getDataStoreIdSequence-org.apache.openjpa.meta.ClassMetaData-">getDataStoreIdSequence</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/openjpa/kernel/StoreManager.html" title="interface in org.apache.openjpa.kernel">StoreManager</a></code></dd>
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 <pre>public&nbsp;<a href="../../../../../org/apache/openjpa/kernel/Seq.html" title="interface in org.apache.openjpa.kernel">Seq</a>&nbsp;getValueSequence(<a href="../../../../../org/apache/openjpa/meta/FieldMetaData.html" title="class in org.apache.openjpa.meta">FieldMetaData</a>&nbsp;fmd)</pre>
 <div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../../org/apache/openjpa/kernel/StoreManager.html#getValueSequence-org.apache.openjpa.meta.FieldMetaData-">StoreManager</a></code></span></div>
 <div class="block">Return a sequence that generates values for the given field. This
  method will only be called when the value strategy for the field
  is one of:
  <ul>
  <li><a href="../../../../../org/apache/openjpa/meta/ValueStrategies.html#NATIVE"><code>ValueStrategies.NATIVE</code></a></li>
  <li><a href="../../../../../org/apache/openjpa/meta/ValueStrategies.html#AUTOASSIGN"><code>ValueStrategies.AUTOASSIGN</code></a></li>
  <li><a href="../../../../../org/apache/openjpa/meta/ValueStrategies.html#INCREMENT"><code>ValueStrategies.INCREMENT</code></a></li>
  </ul> If the value strategy cannot be represented as a sequence, return
  null.</div>
 <dl>
 <dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
 <dd><code><a href="../../../../../org/apache/openjpa/kernel/StoreManager.html#getValueSequence-org.apache.openjpa.meta.FieldMetaData-">getValueSequence</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/openjpa/kernel/StoreManager.html" title="interface in org.apache.openjpa.kernel">StoreManager</a></code></dd>
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 <h4>close</h4>
 <pre>public&nbsp;void&nbsp;close()</pre>
 <div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../../org/apache/openjpa/kernel/StoreManager.html#close--">StoreManager</a></code></span></div>
 <div class="block">Free any resources this store manager is using.</div>
 <dl>
 <dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
 <dd><code><a href="../../../../../org/apache/openjpa/kernel/StoreManager.html#close--">close</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/openjpa/kernel/StoreManager.html" title="interface in org.apache.openjpa.kernel">StoreManager</a></code></dd>
 <dt><span class="overrideSpecifyLabel">Specified by:</span></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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 <pre>protected&nbsp;<a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCStoreManager.RefCountConnection.html" title="class in org.apache.openjpa.jdbc.kernel">JDBCStoreManager.RefCountConnection</a>&nbsp;connectInternal()
                                                        throws <a href="https://docs.oracle.com/javase/8/docs/api/java/sql/SQLException.html?is-external=true" title="class or interface in java.sql">SQLException</a></pre>
 <div class="block">Connect to the database. This method is separated out so that it
  can be overridden.</div>
 <dl>
 <dt><span class="throwsLabel">Throws:</span></dt>
 <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/sql/SQLException.html?is-external=true" title="class or interface in java.sql">SQLException</a></code></dd>
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 <pre>public&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/sql/Connection.html?is-external=true" title="class or interface in java.sql">Connection</a>&nbsp;getNewConnection()</pre>
 <div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCStore.html#getNewConnection--">JDBCStore</a></code></span></div>
 <div class="block">Return a new SQL connection to the database.
  This is used when the current connection still has a open result set
  and a new database operation needs to be done.
  The <code>close</code> method should always be called on the connection
  to free any resources it is using. When appropriate, the close
  method is implemented as a no-op.</div>
 <dl>
 <dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
 <dd><code><a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCStore.html#getNewConnection--">getNewConnection</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCStore.html" title="interface in org.apache.openjpa.jdbc.kernel">JDBCStore</a></code></dd>
 </dl>
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 <a name="find-java.lang.Object-org.apache.openjpa.jdbc.meta.ValueMapping-org.apache.openjpa.jdbc.kernel.JDBCFetchConfiguration-">
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 <h4>find</h4>
 <pre>public&nbsp;<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>&nbsp;find(<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>&nbsp;oid,
                    <a href="../../../../../org/apache/openjpa/jdbc/meta/ValueMapping.html" title="interface in org.apache.openjpa.jdbc.meta">ValueMapping</a>&nbsp;vm,
                    <a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCFetchConfiguration.html" title="interface in org.apache.openjpa.jdbc.kernel">JDBCFetchConfiguration</a>&nbsp;fetch)</pre>
 <div class="block">Find the object with the given oid.</div>
 <dl>
 <dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
 <dd><code><a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCStore.html#find-java.lang.Object-org.apache.openjpa.jdbc.meta.ValueMapping-org.apache.openjpa.jdbc.kernel.JDBCFetchConfiguration-">find</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCStore.html" title="interface in org.apache.openjpa.jdbc.kernel">JDBCStore</a></code></dd>
 <dd><code>vm</code> - the mapping holding this oid, or null if not applicable</dd>
 </dl>
 </li>
 </ul>
 <a name="load-org.apache.openjpa.jdbc.meta.ClassMapping-org.apache.openjpa.jdbc.kernel.JDBCFetchConfiguration-java.util.BitSet-org.apache.openjpa.jdbc.sql.Result-">
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 <pre>public&nbsp;<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>&nbsp;load(<a href="../../../../../org/apache/openjpa/jdbc/meta/ClassMapping.html" title="class in org.apache.openjpa.jdbc.meta">ClassMapping</a>&nbsp;mapping,
                    <a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCFetchConfiguration.html" title="interface in org.apache.openjpa.jdbc.kernel">JDBCFetchConfiguration</a>&nbsp;fetch,
                    <a href="https://docs.oracle.com/javase/8/docs/api/java/util/BitSet.html?is-external=true" title="class or interface in java.util">BitSet</a>&nbsp;exclude,
                    <a href="../../../../../org/apache/openjpa/jdbc/sql/Result.html" title="interface in org.apache.openjpa.jdbc.sql">Result</a>&nbsp;result)
             throws <a href="https://docs.oracle.com/javase/8/docs/api/java/sql/SQLException.html?is-external=true" title="class or interface in java.sql">SQLException</a></pre>
 <div class="block">Load the object in the current row of the given result.</div>
 <dl>
 <dt><span class="throwsLabel">Throws:</span></dt>
 <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/sql/SQLException.html?is-external=true" title="class or interface in java.sql">SQLException</a></code></dd>
 </dl>
 </li>
 </ul>
 <a name="select-org.apache.openjpa.jdbc.sql.Select-org.apache.openjpa.jdbc.meta.ClassMapping-int-org.apache.openjpa.kernel.OpenJPAStateManager-java.util.BitSet-org.apache.openjpa.jdbc.kernel.JDBCFetchConfiguration-int-boolean-boolean-">
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 <h4>select</h4>
 <pre>public&nbsp;boolean&nbsp;select(<a href="../../../../../org/apache/openjpa/jdbc/sql/Select.html" title="interface in org.apache.openjpa.jdbc.sql">Select</a>&nbsp;sel,
                       <a href="../../../../../org/apache/openjpa/jdbc/meta/ClassMapping.html" title="class in org.apache.openjpa.jdbc.meta">ClassMapping</a>&nbsp;mapping,
                       int&nbsp;subs,
                       <a href="../../../../../org/apache/openjpa/kernel/OpenJPAStateManager.html" title="interface in org.apache.openjpa.kernel">OpenJPAStateManager</a>&nbsp;sm,
                       <a href="https://docs.oracle.com/javase/8/docs/api/java/util/BitSet.html?is-external=true" title="class or interface in java.util">BitSet</a>&nbsp;fields,
                       <a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCFetchConfiguration.html" title="interface in org.apache.openjpa.jdbc.kernel">JDBCFetchConfiguration</a>&nbsp;fetch,
                       int&nbsp;eager,
                       boolean&nbsp;ident,
                       boolean&nbsp;outer)</pre>
 <div class="block">For implementation use only.
  Return a select for the proper mappings. Return null if no select is
  needed. The method is designed to be complementary to the load methods.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>sel</code> - select to build on</dd>
 <dd><code>mapping</code> - the mapping for the base type to select for</dd>
 <dd><code>subs</code> - whether the select might include subclasses of the
  given mapping</dd>
 <dd><code>sm</code> - state manager if an instance is being loaded or
  initialized, else null</dd>
 <dd><code>fields</code> - if a state manager is being loaded, the set of
  fields that must be loaded in order, else null</dd>
 <dd><code>fetch</code> - the fetch configuration; used if no specific fields
  must be loaded, and used when selecting relations</dd>
 <dd><code>eager</code> - eager fetch mode to use</dd>
 <dd><code>ident</code> - whether to select primary key columns as distinct
  identifiers</dd>
 <dd><code>outer</code> - whether we're outer-joining to this type</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>true if the select is required, false otherwise</dd>
 </dl>
 </li>
 </ul>
 <a name="loadSubclasses-org.apache.openjpa.jdbc.meta.ClassMapping-">
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 </a>
 <ul class="blockListLast">
 <li class="blockList">
 <h4>loadSubclasses</h4>
 <pre>public&nbsp;void&nbsp;loadSubclasses(<a href="../../../../../org/apache/openjpa/jdbc/meta/ClassMapping.html" title="class in org.apache.openjpa.jdbc.meta">ClassMapping</a>&nbsp;mapping)</pre>
 <div class="block">Makes sure all subclasses of the given type are loaded in the JVM.
  This is usually done automatically.</div>
 <dl>
 <dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
 <dd><code><a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCStore.html#loadSubclasses-org.apache.openjpa.jdbc.meta.ClassMapping-">loadSubclasses</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/openjpa/jdbc/kernel/JDBCStore.html" title="interface in org.apache.openjpa.jdbc.kernel">JDBCStore</a></code></dd>
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