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<div class="subTitle"><span class="packageLabelInType">Package</span>&nbsp;<a href="package-summary.html">org.apache.cayenne</a></div>
<h2 title="Class HybridDataObject" class="title">Class HybridDataObject</h2>
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<ul class="inheritance">
<li><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang" class="externalLink">java.lang.Object</a></li>
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<li><a href="PersistentObject.html" title="class in org.apache.cayenne">org.apache.cayenne.PersistentObject</a></li>
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<li><a href="BaseDataObject.html" title="class in org.apache.cayenne">org.apache.cayenne.BaseDataObject</a></li>
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<ul class="inheritance">
<li>org.apache.cayenne.HybridDataObject</li>
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<dt>All Implemented Interfaces:</dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/Serializable.html?is-external=true" title="class or interface in java.io" class="externalLink">Serializable</a></code>, <code><a href="DataObject.html" title="interface in org.apache.cayenne">DataObject</a></code>, <code><a href="Persistent.html" title="interface in org.apache.cayenne">Persistent</a></code>, <code><a href="Validating.html" title="interface in org.apache.cayenne">Validating</a></code></dd>
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<pre>public class <span class="typeNameLabel">HybridDataObject</span>
extends <a href="BaseDataObject.html" title="class in org.apache.cayenne">BaseDataObject</a></pre>
<div class="block">This data object like <a href="CayenneDataObject.html" title="class in org.apache.cayenne"><code>CayenneDataObject</code></a> uses <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util" class="externalLink"><code>Map</code></a> to store generic attributes,
only difference is that this Map will be created lazily at first write, thus reducing memory penalty if possible.
<p>
This class can be used as superclass for objects that have attributes created at runtime.
If generic runtime attributes will be used always it may be a good idea to use <a href="CayenneDataObject.html" title="class in org.apache.cayenne"><code>CayenneDataObject</code></a> instead.
If you don't create attributes at runtime it is better to use <a href="BaseDataObject.html" title="class in org.apache.cayenne"><code>BaseDataObject</code></a> class.
<p>
Map creation is not thread safe, as DataObject in general not thread safe by it's own.</div>
<dl>
<dt><span class="simpleTagLabel">Since:</span></dt>
<dd>4.1</dd>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="BaseDataObject.html" title="class in org.apache.cayenne"><code>BaseDataObject</code></a>,
<a href="CayenneDataObject.html" title="class in org.apache.cayenne"><code>CayenneDataObject</code></a>,
<a href="../../../serialized-form.html#org.apache.cayenne.HybridDataObject">Serialized Form</a></dd>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colSecond" scope="col">Field</th>
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<td class="colFirst"><code>protected <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util" class="externalLink">Map</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a>,&#8203;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang" class="externalLink">Object</a>&gt;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#values">values</a></span></code></th>
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<h3>Fields inherited from class&nbsp;org.apache.cayenne.<a href="BaseDataObject.html" title="class in org.apache.cayenne">BaseDataObject</a></h3>
<code><a href="BaseDataObject.html#snapshotVersion">snapshotVersion</a></code></li>
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<h3>Fields inherited from class&nbsp;org.apache.cayenne.<a href="PersistentObject.html" title="class in org.apache.cayenne">PersistentObject</a></h3>
<code><a href="PersistentObject.html#objectContext">objectContext</a>, <a href="PersistentObject.html#objectId">objectId</a>, <a href="PersistentObject.html#persistenceState">persistenceState</a></code></li>
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<h3>Fields inherited from interface&nbsp;org.apache.cayenne.<a href="DataObject.html" title="interface in org.apache.cayenne">DataObject</a></h3>
<code><a href="DataObject.html#DEFAULT_VERSION">DEFAULT_VERSION</a></code></li>
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<th class="colFirst" scope="col">Constructor</th>
<th class="colLast" scope="col">Description</th>
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<th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E()">HybridDataObject</a></span>()</code></th>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colSecond" scope="col">Method</th>
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<td class="colFirst"><code>protected void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#appendProperties(java.lang.StringBuffer)">appendProperties</a></span>&#8203;(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/StringBuffer.html?is-external=true" title="class or interface in java.lang" class="externalLink">StringBuffer</a>&nbsp;buffer)</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i1" 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" class="externalLink">Object</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#readPropertyDirectly(java.lang.String)">readPropertyDirectly</a></span>&#8203;(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a>&nbsp;propName)</code></th>
<td class="colLast">
<div class="block">Returns mapped property value as curently stored in the DataObject.</div>
</td>
</tr>
<tr id="i2" class="altColor">
<td class="colFirst"><code>protected void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#readState(java.io.ObjectInputStream)">readState</a></span>&#8203;(<a href="https://docs.oracle.com/javase/8/docs/api/java/io/ObjectInputStream.html?is-external=true" title="class or interface in java.io" class="externalLink">ObjectInputStream</a>&nbsp;in)</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#writePropertyDirectly(java.lang.String,java.lang.Object)">writePropertyDirectly</a></span>&#8203;(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a>&nbsp;propName,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang" class="externalLink">Object</a>&nbsp;val)</code></th>
<td class="colLast">
<div class="block">Modifies a value of a named property without altering the object state in any way,
and without triggering any database operations.</div>
</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code>protected void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#writeState(java.io.ObjectOutputStream)">writeState</a></span>&#8203;(<a href="https://docs.oracle.com/javase/8/docs/api/java/io/ObjectOutputStream.html?is-external=true" title="class or interface in java.io" class="externalLink">ObjectOutputStream</a>&nbsp;out)</code></th>
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<h3>Methods inherited from class&nbsp;org.apache.cayenne.<a href="BaseDataObject.html" title="class in org.apache.cayenne">BaseDataObject</a></h3>
<code><a href="BaseDataObject.html#addToManyTarget(java.lang.String,org.apache.cayenne.DataObject,boolean)">addToManyTarget</a>, <a href="BaseDataObject.html#beforePropertyRead(java.lang.String)">beforePropertyRead</a>, <a href="BaseDataObject.html#beforePropertyWrite(java.lang.String,java.lang.Object,java.lang.Object)">beforePropertyWrite</a>, <a href="BaseDataObject.html#getSnapshotVersion()">getSnapshotVersion</a>, <a href="BaseDataObject.html#readNestedProperty(java.lang.String)">readNestedProperty</a>, <a href="BaseDataObject.html#readProperty(java.lang.String)">readProperty</a>, <a href="BaseDataObject.html#readSerialized(java.io.ObjectInputStream)">readSerialized</a>, <a href="BaseDataObject.html#removeToManyTarget(java.lang.String,org.apache.cayenne.DataObject,boolean)">removeToManyTarget</a>, <a href="BaseDataObject.html#setObjectContext(org.apache.cayenne.ObjectContext)">setObjectContext</a>, <a href="BaseDataObject.html#setPersistenceState(int)">setPersistenceState</a>, <a href="BaseDataObject.html#setReverseRelationship(java.lang.String,org.apache.cayenne.DataObject)">setReverseRelationship</a>, <a href="BaseDataObject.html#setSnapshotVersion(long)">setSnapshotVersion</a>, <a href="BaseDataObject.html#setToManyTarget(java.lang.String,java.util.Collection,boolean)">setToManyTarget</a>, <a href="BaseDataObject.html#setToOneTarget(java.lang.String,org.apache.cayenne.DataObject,boolean)">setToOneTarget</a>, <a href="BaseDataObject.html#toString()">toString</a>, <a href="BaseDataObject.html#toStringBuffer(java.lang.StringBuffer,boolean)">toStringBuffer</a>, <a href="BaseDataObject.html#unsetReverseRelationship(java.lang.String,org.apache.cayenne.DataObject)">unsetReverseRelationship</a>, <a href="BaseDataObject.html#validateForDelete(org.apache.cayenne.validation.ValidationResult)">validateForDelete</a>, <a href="BaseDataObject.html#validateForInsert(org.apache.cayenne.validation.ValidationResult)">validateForInsert</a>, <a href="BaseDataObject.html#validateForSave(org.apache.cayenne.validation.ValidationResult)">validateForSave</a>, <a href="BaseDataObject.html#validateForUpdate(org.apache.cayenne.validation.ValidationResult)">validateForUpdate</a>, <a href="BaseDataObject.html#willConnect(java.lang.String,org.apache.cayenne.Persistent)">willConnect</a>, <a href="BaseDataObject.html#writeProperty(java.lang.String,java.lang.Object)">writeProperty</a>, <a href="BaseDataObject.html#writeSerialized(java.io.ObjectOutputStream)">writeSerialized</a></code></li>
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<h3>Methods inherited from class&nbsp;org.apache.cayenne.<a href="PersistentObject.html" title="class in org.apache.cayenne">PersistentObject</a></h3>
<code><a href="PersistentObject.html#getMapKey(java.lang.String,java.lang.Object)">getMapKey</a>, <a href="PersistentObject.html#getObjectContext()">getObjectContext</a>, <a href="PersistentObject.html#getObjectId()">getObjectId</a>, <a href="PersistentObject.html#getPersistenceState()">getPersistenceState</a>, <a href="PersistentObject.html#setObjectId(org.apache.cayenne.ObjectId)">setObjectId</a></code></li>
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<h3>Methods inherited from class&nbsp;java.lang.<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang" class="externalLink">Object</a></h3>
<code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#clone()" title="class or interface in java.lang" class="externalLink">clone</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#equals(java.lang.Object)" title="class or interface in java.lang" class="externalLink">equals</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#finalize()" title="class or interface in java.lang" class="externalLink">finalize</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#getClass()" title="class or interface in java.lang" class="externalLink">getClass</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#hashCode()" title="class or interface in java.lang" class="externalLink">hashCode</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notify()" title="class or interface in java.lang" class="externalLink">notify</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notifyAll()" title="class or interface in java.lang" class="externalLink">notifyAll</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait()" title="class or interface in java.lang" class="externalLink">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait(long)" title="class or interface in java.lang" class="externalLink">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait(long,int)" title="class or interface in java.lang" class="externalLink">wait</a></code></li>
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<h3>Methods inherited from interface&nbsp;org.apache.cayenne.<a href="Persistent.html" title="interface in org.apache.cayenne">Persistent</a></h3>
<code><a href="Persistent.html#getObjectContext()">getObjectContext</a>, <a href="Persistent.html#getObjectId()">getObjectId</a>, <a href="Persistent.html#getPersistenceState()">getPersistenceState</a>, <a href="Persistent.html#setObjectId(org.apache.cayenne.ObjectId)">setObjectId</a></code></li>
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<h3>Field Detail</h3>
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<h4>values</h4>
<pre>protected&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util" class="externalLink">Map</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a>,&#8203;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang" class="externalLink">Object</a>&gt; values</pre>
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<h4>HybridDataObject</h4>
<pre>public&nbsp;HybridDataObject()</pre>
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<h4>readPropertyDirectly</h4>
<pre class="methodSignature">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" class="externalLink">Object</a>&nbsp;readPropertyDirectly&#8203;(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a>&nbsp;propName)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="DataObject.html#readPropertyDirectly(java.lang.String)">DataObject</a></code></span></div>
<div class="block">Returns mapped property value as curently stored in the DataObject. Returned value
maybe a fault or a real value. This method will not attempt to resolve faults, or
to read unmapped properties.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="DataObject.html#readPropertyDirectly(java.lang.String)">readPropertyDirectly</a></code>&nbsp;in interface&nbsp;<code><a href="DataObject.html" title="interface in org.apache.cayenne">DataObject</a></code></dd>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="BaseDataObject.html#readPropertyDirectly(java.lang.String)">readPropertyDirectly</a></code>&nbsp;in class&nbsp;<code><a href="BaseDataObject.html" title="class in org.apache.cayenne">BaseDataObject</a></code></dd>
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<h4>writePropertyDirectly</h4>
<pre class="methodSignature">public&nbsp;void&nbsp;writePropertyDirectly&#8203;(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a>&nbsp;propName,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang" class="externalLink">Object</a>&nbsp;val)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="DataObject.html#writePropertyDirectly(java.lang.String,java.lang.Object)">DataObject</a></code></span></div>
<div class="block">Modifies a value of a named property without altering the object state in any way,
and without triggering any database operations. This method is intended mostly for
internal use by Cayenne framework, and shouldn't be called from the application
code.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="DataObject.html#writePropertyDirectly(java.lang.String,java.lang.Object)">writePropertyDirectly</a></code>&nbsp;in interface&nbsp;<code><a href="DataObject.html" title="interface in org.apache.cayenne">DataObject</a></code></dd>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="BaseDataObject.html#writePropertyDirectly(java.lang.String,java.lang.Object)">writePropertyDirectly</a></code>&nbsp;in class&nbsp;<code><a href="BaseDataObject.html" title="class in org.apache.cayenne">BaseDataObject</a></code></dd>
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<a id="appendProperties(java.lang.StringBuffer)">
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<h4>appendProperties</h4>
<pre class="methodSignature">protected&nbsp;void&nbsp;appendProperties&#8203;(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/StringBuffer.html?is-external=true" title="class or interface in java.lang" class="externalLink">StringBuffer</a>&nbsp;buffer)</pre>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="BaseDataObject.html#appendProperties(java.lang.StringBuffer)">appendProperties</a></code>&nbsp;in class&nbsp;<code><a href="BaseDataObject.html" title="class in org.apache.cayenne">BaseDataObject</a></code></dd>
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<h4>readState</h4>
<pre class="methodSignature">protected&nbsp;void&nbsp;readState&#8203;(<a href="https://docs.oracle.com/javase/8/docs/api/java/io/ObjectInputStream.html?is-external=true" title="class or interface in java.io" class="externalLink">ObjectInputStream</a>&nbsp;in)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io" class="externalLink">IOException</a>,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/ClassNotFoundException.html?is-external=true" title="class or interface in java.lang" class="externalLink">ClassNotFoundException</a></pre>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="BaseDataObject.html#readState(java.io.ObjectInputStream)">readState</a></code>&nbsp;in class&nbsp;<code><a href="BaseDataObject.html" title="class in org.apache.cayenne">BaseDataObject</a></code></dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io" class="externalLink">IOException</a></code></dd>
<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" class="externalLink">ClassNotFoundException</a></code></dd>
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<h4>writeState</h4>
<pre class="methodSignature">protected&nbsp;void&nbsp;writeState&#8203;(<a href="https://docs.oracle.com/javase/8/docs/api/java/io/ObjectOutputStream.html?is-external=true" title="class or interface in java.io" class="externalLink">ObjectOutputStream</a>&nbsp;out)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io" class="externalLink">IOException</a></pre>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="BaseDataObject.html#writeState(java.io.ObjectOutputStream)">writeState</a></code>&nbsp;in class&nbsp;<code><a href="BaseDataObject.html" title="class in org.apache.cayenne">BaseDataObject</a></code></dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io" class="externalLink">IOException</a></code></dd>
</dl>
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