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<div class="aboutLanguage"><em><b>Berkeley DB</b><br><font size="-1"> version 6.1.29</font></em></div>
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<div class="subTitle">com.sleepycat.bind.serial</div>
<h2 title="Class SerialSerialKeyCreator" class="title">Class SerialSerialKeyCreator<PK,D,SK></h2>
</div>
<div class="contentContainer">
<ul class="inheritance">
<li>java.lang.Object</li>
<li>
<ul class="inheritance">
<li>com.sleepycat.bind.serial.SerialSerialKeyCreator<PK,D,SK></li>
</ul>
</li>
</ul>
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<dl>
<dt>All Implemented Interfaces:</dt>
<dd><a href="../../../../com/sleepycat/db/ForeignKeyNullifier.html" title="interface in com.sleepycat.db">ForeignKeyNullifier</a>, <a href="../../../../com/sleepycat/db/SecondaryKeyCreator.html" title="interface in com.sleepycat.db">SecondaryKeyCreator</a></dd>
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<hr>
<br>
<pre>public abstract class <span class="strong">SerialSerialKeyCreator<PK,D,SK></span>
extends java.lang.Object
implements <a href="../../../../com/sleepycat/db/SecondaryKeyCreator.html" title="interface in com.sleepycat.db">SecondaryKeyCreator</a>, <a href="../../../../com/sleepycat/db/ForeignKeyNullifier.html" title="interface in com.sleepycat.db">ForeignKeyNullifier</a></pre>
<div class="block">A abstract key creator that uses a serial key and a serial data entry.
This class takes care of serializing and deserializing the key and data
entry automatically.
The following abstract method must be implemented by a concrete subclass
to create the index key using these objects
<ul>
<li> <a href="../../../../com/sleepycat/bind/serial/SerialSerialKeyCreator.html#createSecondaryKey(PK,%20D)"><code>createSecondaryKey(Object,Object)</code></a> </li>
</ul>
<p>If <a href="../../../../com/sleepycat/db/ForeignKeyDeleteAction.html#NULLIFY"><code>ForeignKeyDeleteAction.NULLIFY</code></a> was
specified when opening the secondary database, the following method must be
overridden to nullify the foreign index key. If NULLIFY was not specified,
this method need not be overridden.</p>
<ul>
<li> <a href="../../../../com/sleepycat/bind/serial/SerialSerialKeyCreator.html#nullifyForeignKey(D)"><code>nullifyForeignKey(Object)</code></a> </li>
</ul></div>
<dl><dt><span class="strong">See Also:</span></dt><dd><a href="SerialBinding.html#evolution">Class Evolution</a></dd></dl>
</li>
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<h3>Field Summary</h3>
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<caption><span>Fields</span><span class="tabEnd"> </span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Field and Description</th>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected <a href="../../../../com/sleepycat/bind/serial/SerialBinding.html" title="class in com.sleepycat.bind.serial">SerialBinding</a><<a href="../../../../com/sleepycat/bind/serial/SerialSerialKeyCreator.html" title="type parameter in SerialSerialKeyCreator">D</a>></code></td>
<td class="colLast"><code><strong><a href="../../../../com/sleepycat/bind/serial/SerialSerialKeyCreator.html#dataBinding">dataBinding</a></strong></code> </td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected <a href="../../../../com/sleepycat/bind/serial/SerialBinding.html" title="class in com.sleepycat.bind.serial">SerialBinding</a><<a href="../../../../com/sleepycat/bind/serial/SerialSerialKeyCreator.html" title="type parameter in SerialSerialKeyCreator">SK</a>></code></td>
<td class="colLast"><code><strong><a href="../../../../com/sleepycat/bind/serial/SerialSerialKeyCreator.html#indexKeyBinding">indexKeyBinding</a></strong></code> </td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected <a href="../../../../com/sleepycat/bind/serial/SerialBinding.html" title="class in com.sleepycat.bind.serial">SerialBinding</a><<a href="../../../../com/sleepycat/bind/serial/SerialSerialKeyCreator.html" title="type parameter in SerialSerialKeyCreator">PK</a>></code></td>
<td class="colLast"><code><strong><a href="../../../../com/sleepycat/bind/serial/SerialSerialKeyCreator.html#primaryKeyBinding">primaryKeyBinding</a></strong></code> </td>
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<caption><span>Constructors</span><span class="tabEnd"> </span></caption>
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<th class="colOne" scope="col">Constructor and Description</th>
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<td class="colOne"><code><strong><a href="../../../../com/sleepycat/bind/serial/SerialSerialKeyCreator.html#SerialSerialKeyCreator(com.sleepycat.bind.serial.ClassCatalog,%20java.lang.Class,%20java.lang.Class,%20java.lang.Class)">SerialSerialKeyCreator</a></strong>(<a href="../../../../com/sleepycat/bind/serial/ClassCatalog.html" title="interface in com.sleepycat.bind.serial">ClassCatalog</a> classCatalog,
java.lang.Class<<a href="../../../../com/sleepycat/bind/serial/SerialSerialKeyCreator.html" title="type parameter in SerialSerialKeyCreator">PK</a>> primaryKeyClass,
java.lang.Class<<a href="../../../../com/sleepycat/bind/serial/SerialSerialKeyCreator.html" title="type parameter in SerialSerialKeyCreator">D</a>> dataClass,
java.lang.Class<<a href="../../../../com/sleepycat/bind/serial/SerialSerialKeyCreator.html" title="type parameter in SerialSerialKeyCreator">SK</a>> indexKeyClass)</code>
<div class="block">Creates a serial-serial key creator.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colOne"><code><strong><a href="../../../../com/sleepycat/bind/serial/SerialSerialKeyCreator.html#SerialSerialKeyCreator(com.sleepycat.bind.serial.SerialBinding,%20com.sleepycat.bind.serial.SerialBinding,%20com.sleepycat.bind.serial.SerialBinding)">SerialSerialKeyCreator</a></strong>(<a href="../../../../com/sleepycat/bind/serial/SerialBinding.html" title="class in com.sleepycat.bind.serial">SerialBinding</a><<a href="../../../../com/sleepycat/bind/serial/SerialSerialKeyCreator.html" title="type parameter in SerialSerialKeyCreator">PK</a>> primaryKeyBinding,
<a href="../../../../com/sleepycat/bind/serial/SerialBinding.html" title="class in com.sleepycat.bind.serial">SerialBinding</a><<a href="../../../../com/sleepycat/bind/serial/SerialSerialKeyCreator.html" title="type parameter in SerialSerialKeyCreator">D</a>> dataBinding,
<a href="../../../../com/sleepycat/bind/serial/SerialBinding.html" title="class in com.sleepycat.bind.serial">SerialBinding</a><<a href="../../../../com/sleepycat/bind/serial/SerialSerialKeyCreator.html" title="type parameter in SerialSerialKeyCreator">SK</a>> indexKeyBinding)</code>
<div class="block">Creates a serial-serial entity binding.</div>
</td>
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<h3>Method Summary</h3>
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<caption><span>Methods</span><span class="tabEnd"> </span></caption>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
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<td class="colFirst"><code>abstract <a href="../../../../com/sleepycat/bind/serial/SerialSerialKeyCreator.html" title="type parameter in SerialSerialKeyCreator">SK</a></code></td>
<td class="colLast"><code><strong><a href="../../../../com/sleepycat/bind/serial/SerialSerialKeyCreator.html#createSecondaryKey(PK,%20D)">createSecondaryKey</a></strong>(<a href="../../../../com/sleepycat/bind/serial/SerialSerialKeyCreator.html" title="type parameter in SerialSerialKeyCreator">PK</a> primaryKey,
<a href="../../../../com/sleepycat/bind/serial/SerialSerialKeyCreator.html" title="type parameter in SerialSerialKeyCreator">D</a> data)</code>
<div class="block">Creates the index key object from primary key and data objects.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><strong><a href="../../../../com/sleepycat/bind/serial/SerialSerialKeyCreator.html#createSecondaryKey(com.sleepycat.db.SecondaryDatabase,%20com.sleepycat.db.DatabaseEntry,%20com.sleepycat.db.DatabaseEntry,%20com.sleepycat.db.DatabaseEntry)">createSecondaryKey</a></strong>(<a href="../../../../com/sleepycat/db/SecondaryDatabase.html" title="class in com.sleepycat.db">SecondaryDatabase</a> db,
<a href="../../../../com/sleepycat/db/DatabaseEntry.html" title="class in com.sleepycat.db">DatabaseEntry</a> primaryKeyEntry,
<a href="../../../../com/sleepycat/db/DatabaseEntry.html" title="class in com.sleepycat.db">DatabaseEntry</a> dataEntry,
<a href="../../../../com/sleepycat/db/DatabaseEntry.html" title="class in com.sleepycat.db">DatabaseEntry</a> indexKeyEntry)</code>
<div class="block">Creates a secondary key entry, given a primary key and data entry.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code><a href="../../../../com/sleepycat/bind/serial/SerialSerialKeyCreator.html" title="type parameter in SerialSerialKeyCreator">D</a></code></td>
<td class="colLast"><code><strong><a href="../../../../com/sleepycat/bind/serial/SerialSerialKeyCreator.html#nullifyForeignKey(D)">nullifyForeignKey</a></strong>(<a href="../../../../com/sleepycat/bind/serial/SerialSerialKeyCreator.html" title="type parameter in SerialSerialKeyCreator">D</a> data)</code>
<div class="block">Clears the index key in a data object.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><strong><a href="../../../../com/sleepycat/bind/serial/SerialSerialKeyCreator.html#nullifyForeignKey(com.sleepycat.db.SecondaryDatabase,%20com.sleepycat.db.DatabaseEntry)">nullifyForeignKey</a></strong>(<a href="../../../../com/sleepycat/db/SecondaryDatabase.html" title="class in com.sleepycat.db">SecondaryDatabase</a> db,
<a href="../../../../com/sleepycat/db/DatabaseEntry.html" title="class in com.sleepycat.db">DatabaseEntry</a> dataEntry)</code>
<div class="block">Sets the foreign key reference to null in the datum of the primary
database.</div>
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<h3>Methods inherited from class java.lang.Object</h3>
<code>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</code></li>
</ul>
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<h3>Field Detail</h3>
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<h4>primaryKeyBinding</h4>
<pre>protected <a href="../../../../com/sleepycat/bind/serial/SerialBinding.html" title="class in com.sleepycat.bind.serial">SerialBinding</a><<a href="../../../../com/sleepycat/bind/serial/SerialSerialKeyCreator.html" title="type parameter in SerialSerialKeyCreator">PK</a>> primaryKeyBinding</pre>
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<a name="dataBinding">
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<h4>dataBinding</h4>
<pre>protected <a href="../../../../com/sleepycat/bind/serial/SerialBinding.html" title="class in com.sleepycat.bind.serial">SerialBinding</a><<a href="../../../../com/sleepycat/bind/serial/SerialSerialKeyCreator.html" title="type parameter in SerialSerialKeyCreator">D</a>> dataBinding</pre>
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<a name="indexKeyBinding">
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<h4>indexKeyBinding</h4>
<pre>protected <a href="../../../../com/sleepycat/bind/serial/SerialBinding.html" title="class in com.sleepycat.bind.serial">SerialBinding</a><<a href="../../../../com/sleepycat/bind/serial/SerialSerialKeyCreator.html" title="type parameter in SerialSerialKeyCreator">SK</a>> indexKeyBinding</pre>
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<h3>Constructor Detail</h3>
<a name="SerialSerialKeyCreator(com.sleepycat.bind.serial.ClassCatalog, java.lang.Class, java.lang.Class, java.lang.Class)">
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<h4>SerialSerialKeyCreator</h4>
<pre>public SerialSerialKeyCreator(<a href="../../../../com/sleepycat/bind/serial/ClassCatalog.html" title="interface in com.sleepycat.bind.serial">ClassCatalog</a> classCatalog,
java.lang.Class<<a href="../../../../com/sleepycat/bind/serial/SerialSerialKeyCreator.html" title="type parameter in SerialSerialKeyCreator">PK</a>> primaryKeyClass,
java.lang.Class<<a href="../../../../com/sleepycat/bind/serial/SerialSerialKeyCreator.html" title="type parameter in SerialSerialKeyCreator">D</a>> dataClass,
java.lang.Class<<a href="../../../../com/sleepycat/bind/serial/SerialSerialKeyCreator.html" title="type parameter in SerialSerialKeyCreator">SK</a>> indexKeyClass)</pre>
<div class="block">Creates a serial-serial key creator.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>classCatalog</code> - is the catalog to hold shared class information and
for a database should be a <a href="../../../../com/sleepycat/bind/serial/StoredClassCatalog.html" title="class in com.sleepycat.bind.serial"><code>StoredClassCatalog</code></a>.</dd><dd><code>primaryKeyClass</code> - is the primary key base class.</dd><dd><code>dataClass</code> - is the data base class.</dd><dd><code>indexKeyClass</code> - is the index key base class.</dd></dl>
</li>
</ul>
<a name="SerialSerialKeyCreator(com.sleepycat.bind.serial.SerialBinding, com.sleepycat.bind.serial.SerialBinding, com.sleepycat.bind.serial.SerialBinding)">
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<h4>SerialSerialKeyCreator</h4>
<pre>public SerialSerialKeyCreator(<a href="../../../../com/sleepycat/bind/serial/SerialBinding.html" title="class in com.sleepycat.bind.serial">SerialBinding</a><<a href="../../../../com/sleepycat/bind/serial/SerialSerialKeyCreator.html" title="type parameter in SerialSerialKeyCreator">PK</a>> primaryKeyBinding,
<a href="../../../../com/sleepycat/bind/serial/SerialBinding.html" title="class in com.sleepycat.bind.serial">SerialBinding</a><<a href="../../../../com/sleepycat/bind/serial/SerialSerialKeyCreator.html" title="type parameter in SerialSerialKeyCreator">D</a>> dataBinding,
<a href="../../../../com/sleepycat/bind/serial/SerialBinding.html" title="class in com.sleepycat.bind.serial">SerialBinding</a><<a href="../../../../com/sleepycat/bind/serial/SerialSerialKeyCreator.html" title="type parameter in SerialSerialKeyCreator">SK</a>> indexKeyBinding)</pre>
<div class="block">Creates a serial-serial entity binding.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>primaryKeyBinding</code> - is the primary key binding.</dd><dd><code>dataBinding</code> - is the data binding.</dd><dd><code>indexKeyBinding</code> - is the index key binding.</dd></dl>
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<h3>Method Detail</h3>
<a name="createSecondaryKey(com.sleepycat.db.SecondaryDatabase, com.sleepycat.db.DatabaseEntry, com.sleepycat.db.DatabaseEntry, com.sleepycat.db.DatabaseEntry)">
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<h4>createSecondaryKey</h4>
<pre>public boolean createSecondaryKey(<a href="../../../../com/sleepycat/db/SecondaryDatabase.html" title="class in com.sleepycat.db">SecondaryDatabase</a> db,
<a href="../../../../com/sleepycat/db/DatabaseEntry.html" title="class in com.sleepycat.db">DatabaseEntry</a> primaryKeyEntry,
<a href="../../../../com/sleepycat/db/DatabaseEntry.html" title="class in com.sleepycat.db">DatabaseEntry</a> dataEntry,
<a href="../../../../com/sleepycat/db/DatabaseEntry.html" title="class in com.sleepycat.db">DatabaseEntry</a> indexKeyEntry)</pre>
<div class="block"><strong>Description copied from interface: <code><a href="../../../../com/sleepycat/db/SecondaryKeyCreator.html#createSecondaryKey(com.sleepycat.db.SecondaryDatabase,%20com.sleepycat.db.DatabaseEntry,%20com.sleepycat.db.DatabaseEntry,%20com.sleepycat.db.DatabaseEntry)">SecondaryKeyCreator</a></code></strong></div>
<div class="block">Creates a secondary key entry, given a primary key and data entry.
<p>
A secondary key may be derived from the primary key, primary data, or a
combination of the primary key and data. For secondary keys that are
optional, the key creator method may return false and the key/data pair
will not be indexed. To ensure the integrity of a secondary database the
key creator method must always return the same result for a given set of
input parameters.
<p></div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../../com/sleepycat/db/SecondaryKeyCreator.html#createSecondaryKey(com.sleepycat.db.SecondaryDatabase,%20com.sleepycat.db.DatabaseEntry,%20com.sleepycat.db.DatabaseEntry,%20com.sleepycat.db.DatabaseEntry)">createSecondaryKey</a></code> in interface <code><a href="../../../../com/sleepycat/db/SecondaryKeyCreator.html" title="interface in com.sleepycat.db">SecondaryKeyCreator</a></code></dd>
<dt><span class="strong">Parameters:</span></dt><dd><code>db</code> - the database to which the secondary key will be added.
This parameter is passed for informational purposes but is not commonly
used.
<p></dd><dd><code>primaryKeyEntry</code> - the primary key entry. This parameter must not be modified
by this method.
<p></dd><dd><code>dataEntry</code> - the primary data entry. This parameter must not be modified
by this method.
<p></dd><dd><code>indexKeyEntry</code> - the secondary key created by this method.
<p></dd>
<dt><span class="strong">Returns:</span></dt><dd>true if a key was created, or false to indicate that the key is
not present.
<p></dd></dl>
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<h4>nullifyForeignKey</h4>
<pre>public boolean nullifyForeignKey(<a href="../../../../com/sleepycat/db/SecondaryDatabase.html" title="class in com.sleepycat.db">SecondaryDatabase</a> db,
<a href="../../../../com/sleepycat/db/DatabaseEntry.html" title="class in com.sleepycat.db">DatabaseEntry</a> dataEntry)</pre>
<div class="block"><strong>Description copied from interface: <code><a href="../../../../com/sleepycat/db/ForeignKeyNullifier.html#nullifyForeignKey(com.sleepycat.db.SecondaryDatabase,%20com.sleepycat.db.DatabaseEntry)">ForeignKeyNullifier</a></code></strong></div>
<div class="block">Sets the foreign key reference to null in the datum of the primary
database.</div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../../com/sleepycat/db/ForeignKeyNullifier.html#nullifyForeignKey(com.sleepycat.db.SecondaryDatabase,%20com.sleepycat.db.DatabaseEntry)">nullifyForeignKey</a></code> in interface <code><a href="../../../../com/sleepycat/db/ForeignKeyNullifier.html" title="interface in com.sleepycat.db">ForeignKeyNullifier</a></code></dd>
<dt><span class="strong">Parameters:</span></dt><dd><code>db</code> - the database in which the foreign key integrity
constraint is defined. This parameter is passed for informational
purposes but is not commonly used.</dd><dd><code>dataEntry</code> - the existing primary datum in which the foreign key
reference should be set to null. This parameter should be updated by
this method if it returns true.</dd>
<dt><span class="strong">Returns:</span></dt><dd>true if the datum was modified, or false to indicate that the
key is not present.</dd></dl>
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<h4>createSecondaryKey</h4>
<pre>public abstract <a href="../../../../com/sleepycat/bind/serial/SerialSerialKeyCreator.html" title="type parameter in SerialSerialKeyCreator">SK</a> createSecondaryKey(<a href="../../../../com/sleepycat/bind/serial/SerialSerialKeyCreator.html" title="type parameter in SerialSerialKeyCreator">PK</a> primaryKey,
<a href="../../../../com/sleepycat/bind/serial/SerialSerialKeyCreator.html" title="type parameter in SerialSerialKeyCreator">D</a> data)</pre>
<div class="block">Creates the index key object from primary key and data objects.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>primaryKey</code> - is the deserialized source primary key entry, or
null if no primary key entry is used to construct the index key.</dd><dd><code>data</code> - is the deserialized source data entry, or null if no
data entry is used to construct the index key.</dd>
<dt><span class="strong">Returns:</span></dt><dd>the destination index key object, or null to indicate that
the key is not present.</dd></dl>
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<h4>nullifyForeignKey</h4>
<pre>public <a href="../../../../com/sleepycat/bind/serial/SerialSerialKeyCreator.html" title="type parameter in SerialSerialKeyCreator">D</a> nullifyForeignKey(<a href="../../../../com/sleepycat/bind/serial/SerialSerialKeyCreator.html" title="type parameter in SerialSerialKeyCreator">D</a> data)</pre>
<div class="block">Clears the index key in a data object.
<p>On entry the data parameter contains the index key to be cleared. It
should be changed by this method such that <a href="../../../../com/sleepycat/bind/serial/SerialSerialKeyCreator.html#createSecondaryKey(com.sleepycat.db.SecondaryDatabase,%20com.sleepycat.db.DatabaseEntry,%20com.sleepycat.db.DatabaseEntry,%20com.sleepycat.db.DatabaseEntry)"><code>createSecondaryKey(com.sleepycat.db.SecondaryDatabase, com.sleepycat.db.DatabaseEntry, com.sleepycat.db.DatabaseEntry, com.sleepycat.db.DatabaseEntry)</code></a>
will return false. Other fields in the data object should remain
unchanged.</p></div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>data</code> - is the source and destination data object.</dd>
<dt><span class="strong">Returns:</span></dt><dd>the destination data object, or null to indicate that the
key is not present and no change is necessary. The data returned may
be the same object passed as the data parameter or a newly created
object.</dd></dl>
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