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<div class="subTitle">org.apache.openjpa.jdbc.meta.strats</div>
<h2 title="Class HandlerStrategies" class="title">Class HandlerStrategies</h2>
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<pre>public class <span class="strong">HandlerStrategies</span>
extends <a href="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></pre>
<div class="block">Utility methods for strategies using value handlers.</div>
<dl><dt><span class="strong">Since:</span></dt>
<dd>0.4.0</dd>
<dt><span class="strong">Author:</span></dt>
<dd>Abe White</dd></dl>
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<th class="colOne" scope="col">Constructor and Description</th>
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<td class="colOne"><code><strong><a href="../../../../../../org/apache/openjpa/jdbc/meta/strats/HandlerStrategies.html#HandlerStrategies()">HandlerStrategies</a></strong>()</code>&nbsp;</td>
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<caption><span>Methods</span><span class="tabEnd">&nbsp;</span></caption>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static void</code></td>
<td class="colLast"><code><strong><a href="../../../../../../org/apache/openjpa/jdbc/meta/strats/HandlerStrategies.html#assertJoinable(org.apache.openjpa.jdbc.meta.ValueMapping)">assertJoinable</a></strong>(<a href="../../../../../../org/apache/openjpa/jdbc/meta/ValueMapping.html" title="interface in org.apache.openjpa.jdbc.meta">ValueMapping</a>&nbsp;vm)</code>
<div class="block">Throw the proper exception if the given handler-controlled value
represents an unjoinable relation.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static <a href="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../../org/apache/openjpa/jdbc/meta/strats/HandlerStrategies.html#loadDataStore(org.apache.openjpa.jdbc.meta.ValueMapping,%20org.apache.openjpa.jdbc.sql.Result,%20org.apache.openjpa.jdbc.sql.Joins,%20org.apache.openjpa.jdbc.schema.Column[])">loadDataStore</a></strong>(<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/sql/Result.html" title="interface in org.apache.openjpa.jdbc.sql">Result</a>&nbsp;res,
<a href="../../../../../../org/apache/openjpa/jdbc/sql/Joins.html" title="interface in org.apache.openjpa.jdbc.sql">Joins</a>&nbsp;joins,
<a href="../../../../../../org/apache/openjpa/jdbc/schema/Column.html" title="class in org.apache.openjpa.jdbc.schema">Column</a>[]&nbsp;cols)</code>
<div class="block">Load the datastore value from the given result.</div>
</td>
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<tr class="altColor">
<td class="colFirst"><code>static <a href="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../../org/apache/openjpa/jdbc/meta/strats/HandlerStrategies.html#loadObject(org.apache.openjpa.jdbc.meta.ValueMapping,%20org.apache.openjpa.kernel.OpenJPAStateManager,%20org.apache.openjpa.jdbc.kernel.JDBCStore,%20org.apache.openjpa.jdbc.kernel.JDBCFetchConfiguration,%20org.apache.openjpa.jdbc.sql.Result,%20org.apache.openjpa.jdbc.sql.Joins,%20org.apache.openjpa.jdbc.schema.Column[],%20boolean)">loadObject</a></strong>(<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/kernel/OpenJPAStateManager.html" title="interface in org.apache.openjpa.kernel">OpenJPAStateManager</a>&nbsp;sm,
<a href="../../../../../../org/apache/openjpa/jdbc/kernel/JDBCStore.html" title="interface in org.apache.openjpa.jdbc.kernel">JDBCStore</a>&nbsp;store,
<a href="../../../../../../org/apache/openjpa/jdbc/kernel/JDBCFetchConfiguration.html" title="interface in org.apache.openjpa.jdbc.kernel">JDBCFetchConfiguration</a>&nbsp;fetch,
<a href="../../../../../../org/apache/openjpa/jdbc/sql/Result.html" title="interface in org.apache.openjpa.jdbc.sql">Result</a>&nbsp;res,
<a href="../../../../../../org/apache/openjpa/jdbc/sql/Joins.html" title="interface in org.apache.openjpa.jdbc.sql">Joins</a>&nbsp;joins,
<a href="../../../../../../org/apache/openjpa/jdbc/schema/Column.html" title="class in org.apache.openjpa.jdbc.schema">Column</a>[]&nbsp;cols,
boolean&nbsp;objectValueRequiresLoad)</code>
<div class="block">Load the Object value from the given result.</div>
</td>
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<tr class="rowColor">
<td class="colFirst"><code>static <a href="../../../../../../org/apache/openjpa/jdbc/schema/Column.html" title="class in org.apache.openjpa.jdbc.schema">Column</a>[]</code></td>
<td class="colLast"><code><strong><a href="../../../../../../org/apache/openjpa/jdbc/meta/strats/HandlerStrategies.html#map(org.apache.openjpa.jdbc.meta.ValueMapping,%20java.lang.String,%20org.apache.openjpa.jdbc.schema.ColumnIO,%20boolean)">map</a></strong>(<a href="../../../../../../org/apache/openjpa/jdbc/meta/ValueMapping.html" title="interface in org.apache.openjpa.jdbc.meta">ValueMapping</a>&nbsp;vm,
<a href="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name,
<a href="../../../../../../org/apache/openjpa/jdbc/schema/ColumnIO.html" title="class in org.apache.openjpa.jdbc.schema">ColumnIO</a>&nbsp;io,
boolean&nbsp;adapt)</code>
<div class="block">Map the given value.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static boolean</code></td>
<td class="colLast"><code><strong><a href="../../../../../../org/apache/openjpa/jdbc/meta/strats/HandlerStrategies.html#set(org.apache.openjpa.jdbc.meta.ValueMapping,%20java.lang.Object,%20org.apache.openjpa.jdbc.kernel.JDBCStore,%20org.apache.openjpa.jdbc.sql.Row,%20org.apache.openjpa.jdbc.schema.Column[],%20org.apache.openjpa.jdbc.schema.ColumnIO,%20boolean)">set</a></strong>(<a href="../../../../../../org/apache/openjpa/jdbc/meta/ValueMapping.html" title="interface in org.apache.openjpa.jdbc.meta">ValueMapping</a>&nbsp;vm,
<a href="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&nbsp;val,
<a href="../../../../../../org/apache/openjpa/jdbc/kernel/JDBCStore.html" title="interface in org.apache.openjpa.jdbc.kernel">JDBCStore</a>&nbsp;store,
<a href="../../../../../../org/apache/openjpa/jdbc/sql/Row.html" title="interface in org.apache.openjpa.jdbc.sql">Row</a>&nbsp;row,
<a href="../../../../../../org/apache/openjpa/jdbc/schema/Column.html" title="class in org.apache.openjpa.jdbc.schema">Column</a>[]&nbsp;cols,
<a href="../../../../../../org/apache/openjpa/jdbc/schema/ColumnIO.html" title="class in org.apache.openjpa.jdbc.schema">ColumnIO</a>&nbsp;io,
boolean&nbsp;nullNone)</code>
<div class="block">Set the given value into the given row.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static <a href="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../../org/apache/openjpa/jdbc/meta/strats/HandlerStrategies.html#toDataStoreValue(org.apache.openjpa.jdbc.meta.ValueMapping,%20java.lang.Object,%20org.apache.openjpa.jdbc.schema.Column[],%20org.apache.openjpa.jdbc.kernel.JDBCStore)">toDataStoreValue</a></strong>(<a href="../../../../../../org/apache/openjpa/jdbc/meta/ValueMapping.html" title="interface in org.apache.openjpa.jdbc.meta">ValueMapping</a>&nbsp;vm,
<a href="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&nbsp;val,
<a href="../../../../../../org/apache/openjpa/jdbc/schema/Column.html" title="class in org.apache.openjpa.jdbc.schema">Column</a>[]&nbsp;cols,
<a href="../../../../../../org/apache/openjpa/jdbc/kernel/JDBCStore.html" title="interface in org.apache.openjpa.jdbc.kernel">JDBCStore</a>&nbsp;store)</code>
<div class="block">Convert the given object to its datastore value(s).</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static void</code></td>
<td class="colLast"><code><strong><a href="../../../../../../org/apache/openjpa/jdbc/meta/strats/HandlerStrategies.html#where(org.apache.openjpa.jdbc.meta.ValueMapping,%20java.lang.Object,%20org.apache.openjpa.jdbc.kernel.JDBCStore,%20org.apache.openjpa.jdbc.sql.Row,%20org.apache.openjpa.jdbc.schema.Column[])">where</a></strong>(<a href="../../../../../../org/apache/openjpa/jdbc/meta/ValueMapping.html" title="interface in org.apache.openjpa.jdbc.meta">ValueMapping</a>&nbsp;vm,
<a href="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&nbsp;val,
<a href="../../../../../../org/apache/openjpa/jdbc/kernel/JDBCStore.html" title="interface in org.apache.openjpa.jdbc.kernel">JDBCStore</a>&nbsp;store,
<a href="../../../../../../org/apache/openjpa/jdbc/sql/Row.html" title="interface in org.apache.openjpa.jdbc.sql">Row</a>&nbsp;row,
<a href="../../../../../../org/apache/openjpa/jdbc/schema/Column.html" title="class in org.apache.openjpa.jdbc.schema">Column</a>[]&nbsp;cols)</code>
<div class="block">Add where conditions to the given row.</div>
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<h3>Methods inherited from class&nbsp;java.lang.<a href="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></h3>
<code><a href="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#clone()" title="class or interface in java.lang">clone</a>, <a href="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#equals(java.lang.Object)" title="class or interface in java.lang">equals</a>, <a href="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#finalize()" title="class or interface in java.lang">finalize</a>, <a href="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#getClass()" title="class or interface in java.lang">getClass</a>, <a href="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#hashCode()" title="class or interface in java.lang">hashCode</a>, <a href="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#notify()" title="class or interface in java.lang">notify</a>, <a href="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#notifyAll()" title="class or interface in java.lang">notifyAll</a>, <a href="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#toString()" title="class or interface in java.lang">toString</a>, <a href="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#wait()" title="class or interface in java.lang">wait</a>, <a href="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#wait(long)" title="class or interface in java.lang">wait</a>, <a href="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#wait(long,%20int)" title="class or interface in java.lang">wait</a></code></li>
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<h4>HandlerStrategies</h4>
<pre>public&nbsp;HandlerStrategies()</pre>
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<a name="map(org.apache.openjpa.jdbc.meta.ValueMapping, java.lang.String, org.apache.openjpa.jdbc.schema.ColumnIO, boolean)">
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<h4>map</h4>
<pre>public static&nbsp;<a href="../../../../../../org/apache/openjpa/jdbc/schema/Column.html" title="class in org.apache.openjpa.jdbc.schema">Column</a>[]&nbsp;map(<a href="../../../../../../org/apache/openjpa/jdbc/meta/ValueMapping.html" title="interface in org.apache.openjpa.jdbc.meta">ValueMapping</a>&nbsp;vm,
<a href="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name,
<a href="../../../../../../org/apache/openjpa/jdbc/schema/ColumnIO.html" title="class in org.apache.openjpa.jdbc.schema">ColumnIO</a>&nbsp;io,
boolean&nbsp;adapt)</pre>
<div class="block">Map the given value.</div>
</li>
</ul>
<a name="set(org.apache.openjpa.jdbc.meta.ValueMapping, java.lang.Object, org.apache.openjpa.jdbc.kernel.JDBCStore, org.apache.openjpa.jdbc.sql.Row, org.apache.openjpa.jdbc.schema.Column[], org.apache.openjpa.jdbc.schema.ColumnIO, boolean)">
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<h4>set</h4>
<pre>public static&nbsp;boolean&nbsp;set(<a href="../../../../../../org/apache/openjpa/jdbc/meta/ValueMapping.html" title="interface in org.apache.openjpa.jdbc.meta">ValueMapping</a>&nbsp;vm,
<a href="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&nbsp;val,
<a href="../../../../../../org/apache/openjpa/jdbc/kernel/JDBCStore.html" title="interface in org.apache.openjpa.jdbc.kernel">JDBCStore</a>&nbsp;store,
<a href="../../../../../../org/apache/openjpa/jdbc/sql/Row.html" title="interface in org.apache.openjpa.jdbc.sql">Row</a>&nbsp;row,
<a href="../../../../../../org/apache/openjpa/jdbc/schema/Column.html" title="class in org.apache.openjpa.jdbc.schema">Column</a>[]&nbsp;cols,
<a href="../../../../../../org/apache/openjpa/jdbc/schema/ColumnIO.html" title="class in org.apache.openjpa.jdbc.schema">ColumnIO</a>&nbsp;io,
boolean&nbsp;nullNone)
throws <a href="http://download.oracle.com/javase/6/docs/api/java/sql/SQLException.html?is-external=true" title="class or interface in java.sql">SQLException</a></pre>
<div class="block">Set the given value into the given row.
Return false if the given value can not be set, for example, due to
null constraints on the columns.</div>
<dl><dt><span class="strong">Throws:</span></dt>
<dd><code><a href="http://download.oracle.com/javase/6/docs/api/java/sql/SQLException.html?is-external=true" title="class or interface in java.sql">SQLException</a></code></dd></dl>
</li>
</ul>
<a name="where(org.apache.openjpa.jdbc.meta.ValueMapping, java.lang.Object, org.apache.openjpa.jdbc.kernel.JDBCStore, org.apache.openjpa.jdbc.sql.Row, org.apache.openjpa.jdbc.schema.Column[])">
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<h4>where</h4>
<pre>public static&nbsp;void&nbsp;where(<a href="../../../../../../org/apache/openjpa/jdbc/meta/ValueMapping.html" title="interface in org.apache.openjpa.jdbc.meta">ValueMapping</a>&nbsp;vm,
<a href="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&nbsp;val,
<a href="../../../../../../org/apache/openjpa/jdbc/kernel/JDBCStore.html" title="interface in org.apache.openjpa.jdbc.kernel">JDBCStore</a>&nbsp;store,
<a href="../../../../../../org/apache/openjpa/jdbc/sql/Row.html" title="interface in org.apache.openjpa.jdbc.sql">Row</a>&nbsp;row,
<a href="../../../../../../org/apache/openjpa/jdbc/schema/Column.html" title="class in org.apache.openjpa.jdbc.schema">Column</a>[]&nbsp;cols)
throws <a href="http://download.oracle.com/javase/6/docs/api/java/sql/SQLException.html?is-external=true" title="class or interface in java.sql">SQLException</a></pre>
<div class="block">Add where conditions to the given row.</div>
<dl><dt><span class="strong">Throws:</span></dt>
<dd><code><a href="http://download.oracle.com/javase/6/docs/api/java/sql/SQLException.html?is-external=true" title="class or interface in java.sql">SQLException</a></code></dd></dl>
</li>
</ul>
<a name="loadObject(org.apache.openjpa.jdbc.meta.ValueMapping, org.apache.openjpa.kernel.OpenJPAStateManager, org.apache.openjpa.jdbc.kernel.JDBCStore, org.apache.openjpa.jdbc.kernel.JDBCFetchConfiguration, org.apache.openjpa.jdbc.sql.Result, org.apache.openjpa.jdbc.sql.Joins, org.apache.openjpa.jdbc.schema.Column[], boolean)">
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<pre>public static&nbsp;<a href="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&nbsp;loadObject(<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/kernel/OpenJPAStateManager.html" title="interface in org.apache.openjpa.kernel">OpenJPAStateManager</a>&nbsp;sm,
<a href="../../../../../../org/apache/openjpa/jdbc/kernel/JDBCStore.html" title="interface in org.apache.openjpa.jdbc.kernel">JDBCStore</a>&nbsp;store,
<a href="../../../../../../org/apache/openjpa/jdbc/kernel/JDBCFetchConfiguration.html" title="interface in org.apache.openjpa.jdbc.kernel">JDBCFetchConfiguration</a>&nbsp;fetch,
<a href="../../../../../../org/apache/openjpa/jdbc/sql/Result.html" title="interface in org.apache.openjpa.jdbc.sql">Result</a>&nbsp;res,
<a href="../../../../../../org/apache/openjpa/jdbc/sql/Joins.html" title="interface in org.apache.openjpa.jdbc.sql">Joins</a>&nbsp;joins,
<a href="../../../../../../org/apache/openjpa/jdbc/schema/Column.html" title="class in org.apache.openjpa.jdbc.schema">Column</a>[]&nbsp;cols,
boolean&nbsp;objectValueRequiresLoad)
throws <a href="http://download.oracle.com/javase/6/docs/api/java/sql/SQLException.html?is-external=true" title="class or interface in java.sql">SQLException</a></pre>
<div class="block">Load the Object value from the given result.</div>
<dl><dt><span class="strong">Throws:</span></dt>
<dd><code><a href="http://download.oracle.com/javase/6/docs/api/java/sql/SQLException.html?is-external=true" title="class or interface in java.sql">SQLException</a></code></dd></dl>
</li>
</ul>
<a name="loadDataStore(org.apache.openjpa.jdbc.meta.ValueMapping, org.apache.openjpa.jdbc.sql.Result, org.apache.openjpa.jdbc.sql.Joins, org.apache.openjpa.jdbc.schema.Column[])">
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<h4>loadDataStore</h4>
<pre>public static&nbsp;<a href="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&nbsp;loadDataStore(<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/sql/Result.html" title="interface in org.apache.openjpa.jdbc.sql">Result</a>&nbsp;res,
<a href="../../../../../../org/apache/openjpa/jdbc/sql/Joins.html" title="interface in org.apache.openjpa.jdbc.sql">Joins</a>&nbsp;joins,
<a href="../../../../../../org/apache/openjpa/jdbc/schema/Column.html" title="class in org.apache.openjpa.jdbc.schema">Column</a>[]&nbsp;cols)
throws <a href="http://download.oracle.com/javase/6/docs/api/java/sql/SQLException.html?is-external=true" title="class or interface in java.sql">SQLException</a></pre>
<div class="block">Load the datastore value from the given result. This method does
<b>not</b> process the loaded value through
<a href="../../../../../../org/apache/openjpa/jdbc/meta/ValueHandler.html#toObjectValue(org.apache.openjpa.jdbc.meta.ValueMapping,%20java.lang.Object)"><code>ValueHandler.toObjectValue(org.apache.openjpa.jdbc.meta.ValueMapping, java.lang.Object)</code></a>.</div>
<dl><dt><span class="strong">Throws:</span></dt>
<dd><code><a href="http://download.oracle.com/javase/6/docs/api/java/sql/SQLException.html?is-external=true" title="class or interface in java.sql">SQLException</a></code></dd></dl>
</li>
</ul>
<a name="toDataStoreValue(org.apache.openjpa.jdbc.meta.ValueMapping, java.lang.Object, org.apache.openjpa.jdbc.schema.Column[], org.apache.openjpa.jdbc.kernel.JDBCStore)">
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<h4>toDataStoreValue</h4>
<pre>public static&nbsp;<a href="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&nbsp;toDataStoreValue(<a href="../../../../../../org/apache/openjpa/jdbc/meta/ValueMapping.html" title="interface in org.apache.openjpa.jdbc.meta">ValueMapping</a>&nbsp;vm,
<a href="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&nbsp;val,
<a href="../../../../../../org/apache/openjpa/jdbc/schema/Column.html" title="class in org.apache.openjpa.jdbc.schema">Column</a>[]&nbsp;cols,
<a href="../../../../../../org/apache/openjpa/jdbc/kernel/JDBCStore.html" title="interface in org.apache.openjpa.jdbc.kernel">JDBCStore</a>&nbsp;store)</pre>
<div class="block">Convert the given object to its datastore value(s). Relation ids are
converted to their final values immediately.</div>
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<a name="assertJoinable(org.apache.openjpa.jdbc.meta.ValueMapping)">
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<h4>assertJoinable</h4>
<pre>public static&nbsp;void&nbsp;assertJoinable(<a href="../../../../../../org/apache/openjpa/jdbc/meta/ValueMapping.html" title="interface in org.apache.openjpa.jdbc.meta">ValueMapping</a>&nbsp;vm)</pre>
<div class="block">Throw the proper exception if the given handler-controlled value
represents an unjoinable relation.</div>
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