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ObjectDetachOperation (Cayenne Documentation 3.0.2 API)
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org.apache.cayenne.util</FONT>
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Class ObjectDetachOperation</H2>
<PRE>
<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</A>
<IMG SRC="../../../../resources/inherit.gif" ALT="extended by "><B>org.apache.cayenne.util.ObjectDetachOperation</B>
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<DT><PRE>public class <B>ObjectDetachOperation</B><DT>extends <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A></DL>
</PRE>
<P>
An operation that creates a subgraph of detached objects, using the PrefetchTree to
delineate the graph boundaries. Target objects can be described by a different set of
descriptors, thus allowing server-to-client conversion to happen in the process.
<P>
<P>
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<DT><B>Since:</B></DT>
<DD>1.2</DD>
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<CODE>protected &nbsp;<A HREF="http://java.sun.com/javase/6/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</A>&lt;<A HREF="../../../../org/apache/cayenne/ObjectId.html" title="class in org.apache.cayenne">ObjectId</A>,<A HREF="../../../../org/apache/cayenne/Persistent.html" title="interface in org.apache.cayenne">Persistent</A>&gt;</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/cayenne/util/ObjectDetachOperation.html#seen">seen</A></B></CODE>
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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
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<CODE>protected &nbsp;<A HREF="../../../../org/apache/cayenne/map/EntityResolver.html" title="class in org.apache.cayenne.map">EntityResolver</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/cayenne/util/ObjectDetachOperation.html#targetResolver">targetResolver</A></B></CODE>
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<TD><CODE><B><A HREF="../../../../org/apache/cayenne/util/ObjectDetachOperation.html#ObjectDetachOperation(org.apache.cayenne.map.EntityResolver)">ObjectDetachOperation</A></B>(<A HREF="../../../../org/apache/cayenne/map/EntityResolver.html" title="class in org.apache.cayenne.map">EntityResolver</A>&nbsp;targetResolver)</CODE>
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<CODE>&nbsp;<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/cayenne/util/ObjectDetachOperation.html#detach(java.lang.Object, org.apache.cayenne.reflect.ClassDescriptor, org.apache.cayenne.query.PrefetchTreeNode)">detach</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A>&nbsp;object,
<A HREF="../../../../org/apache/cayenne/reflect/ClassDescriptor.html" title="interface in org.apache.cayenne.reflect">ClassDescriptor</A>&nbsp;descriptor,
<A HREF="../../../../org/apache/cayenne/query/PrefetchTreeNode.html" title="class in org.apache.cayenne.query">PrefetchTreeNode</A>&nbsp;prefetchTree)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;"Detaches" an object from its context by creating an unattached copy.</TD>
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<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/cayenne/util/ObjectDetachOperation.html#reset()">reset</A></B>()</CODE>
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<A NAME="targetResolver"><!-- --></A><H3>
targetResolver</H3>
<PRE>
protected <A HREF="../../../../org/apache/cayenne/map/EntityResolver.html" title="class in org.apache.cayenne.map">EntityResolver</A> <B>targetResolver</B></PRE>
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<DL>
</DL>
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<A NAME="seen"><!-- --></A><H3>
seen</H3>
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protected <A HREF="http://java.sun.com/javase/6/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</A>&lt;<A HREF="../../../../org/apache/cayenne/ObjectId.html" title="class in org.apache.cayenne">ObjectId</A>,<A HREF="../../../../org/apache/cayenne/Persistent.html" title="interface in org.apache.cayenne">Persistent</A>&gt; <B>seen</B></PRE>
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<A NAME="ObjectDetachOperation(org.apache.cayenne.map.EntityResolver)"><!-- --></A><H3>
ObjectDetachOperation</H3>
<PRE>
public <B>ObjectDetachOperation</B>(<A HREF="../../../../org/apache/cayenne/map/EntityResolver.html" title="class in org.apache.cayenne.map">EntityResolver</A>&nbsp;targetResolver)</PRE>
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<A NAME="reset()"><!-- --></A><H3>
reset</H3>
<PRE>
public void <B>reset</B>()</PRE>
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<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="detach(java.lang.Object, org.apache.cayenne.reflect.ClassDescriptor, org.apache.cayenne.query.PrefetchTreeNode)"><!-- --></A><H3>
detach</H3>
<PRE>
public <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A> <B>detach</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A>&nbsp;object,
<A HREF="../../../../org/apache/cayenne/reflect/ClassDescriptor.html" title="interface in org.apache.cayenne.reflect">ClassDescriptor</A>&nbsp;descriptor,
<A HREF="../../../../org/apache/cayenne/query/PrefetchTreeNode.html" title="class in org.apache.cayenne.query">PrefetchTreeNode</A>&nbsp;prefetchTree)</PRE>
<DL>
<DD>"Detaches" an object from its context by creating an unattached copy. The copy is
created using target descriptor of this operation that may be different from the
object descriptor passed to this method.
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