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VersionAttachStrategy (OpenJPA Parent POM 2.2.1 API)
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SUMMARY:&nbsp;NESTED&nbsp;|&nbsp;<A HREF="#fields_inherited_from_class_org.apache.openjpa.kernel.TransferFieldManager">FIELD</A>&nbsp;|&nbsp;<A HREF="#constructor_summary">CONSTR</A>&nbsp;|&nbsp;<A HREF="#method_summary">METHOD</A></FONT></TD>
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org.apache.openjpa.kernel</FONT>
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Class VersionAttachStrategy</H2>
<PRE>
<A HREF="http://download.oracle.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 "><A HREF="../../../../org/apache/openjpa/kernel/TransferFieldManager.html" title="class in org.apache.openjpa.kernel">org.apache.openjpa.kernel.TransferFieldManager</A>
<IMG SRC="../../../../resources/inherit.gif" ALT="extended by "><A HREF="../../../../org/apache/openjpa/kernel/AttachStrategy.html" title="class in org.apache.openjpa.kernel">org.apache.openjpa.kernel.AttachStrategy</A>
<IMG SRC="../../../../resources/inherit.gif" ALT="extended by "><B>org.apache.openjpa.kernel.VersionAttachStrategy</B>
</PRE>
<DL>
<DT><B>All Implemented Interfaces:</B> <DD><A HREF="../../../../org/apache/openjpa/enhance/FieldConsumer.html" title="interface in org.apache.openjpa.enhance">FieldConsumer</A>, <A HREF="../../../../org/apache/openjpa/enhance/FieldManager.html" title="interface in org.apache.openjpa.enhance">FieldManager</A>, <A HREF="../../../../org/apache/openjpa/enhance/FieldSupplier.html" title="interface in org.apache.openjpa.enhance">FieldSupplier</A>, <A HREF="../../../../org/apache/openjpa/kernel/DetachState.html" title="interface in org.apache.openjpa.kernel">DetachState</A></DD>
</DL>
<HR>
<DL>
<DT><PRE> class <B>VersionAttachStrategy</B><DT>extends <A HREF="../../../../org/apache/openjpa/kernel/AttachStrategy.html" title="class in org.apache.openjpa.kernel">AttachStrategy</A><DT>implements <A HREF="../../../../org/apache/openjpa/kernel/DetachState.html" title="interface in org.apache.openjpa.kernel">DetachState</A></DL>
</PRE>
<P>
Handles attaching instances using version and primary key fields.
<P>
<P>
<DL>
<DT><B>Author:</B></DT>
<DD>Steve Kim</DD>
</DL>
<HR>
<P>
<!-- =========== FIELD SUMMARY =========== -->
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<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
<B>Field Summary</B></FONT></TH>
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</TABLE>
&nbsp;<A NAME="fields_inherited_from_class_org.apache.openjpa.kernel.TransferFieldManager"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left"><B>Fields inherited from class org.apache.openjpa.kernel.<A HREF="../../../../org/apache/openjpa/kernel/TransferFieldManager.html" title="class in org.apache.openjpa.kernel">TransferFieldManager</A></B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../../../org/apache/openjpa/kernel/TransferFieldManager.html#dblval">dblval</A>, <A HREF="../../../../org/apache/openjpa/kernel/TransferFieldManager.html#field">field</A>, <A HREF="../../../../org/apache/openjpa/kernel/TransferFieldManager.html#longval">longval</A>, <A HREF="../../../../org/apache/openjpa/kernel/TransferFieldManager.html#objval">objval</A></CODE></TD>
</TR>
</TABLE>
&nbsp;<A NAME="fields_inherited_from_class_org.apache.openjpa.kernel.DetachState"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left"><B>Fields inherited from interface org.apache.openjpa.kernel.<A HREF="../../../../org/apache/openjpa/kernel/DetachState.html" title="interface in org.apache.openjpa.kernel">DetachState</A></B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../../../org/apache/openjpa/kernel/DetachState.html#DETACH_ALL">DETACH_ALL</A>, <A HREF="../../../../org/apache/openjpa/kernel/DetachState.html#DETACH_FETCH_GROUPS">DETACH_FETCH_GROUPS</A>, <A HREF="../../../../org/apache/openjpa/kernel/DetachState.html#DETACH_FGS">DETACH_FGS</A>, <A HREF="../../../../org/apache/openjpa/kernel/DetachState.html#DETACH_LOADED">DETACH_LOADED</A></CODE></TD>
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<!-- ======== CONSTRUCTOR SUMMARY ======== -->
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><B><A HREF="../../../../org/apache/openjpa/kernel/VersionAttachStrategy.html#VersionAttachStrategy()">VersionAttachStrategy</A></B>()</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
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<!-- ========== METHOD SUMMARY =========== -->
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<B>Method Summary</B></FONT></TH>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&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></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/openjpa/kernel/VersionAttachStrategy.html#attach(org.apache.openjpa.kernel.AttachManager, java.lang.Object, org.apache.openjpa.meta.ClassMetaData, org.apache.openjpa.enhance.PersistenceCapable, org.apache.openjpa.kernel.OpenJPAStateManager, org.apache.openjpa.meta.ValueMetaData, boolean)">attach</A></B>(<A HREF="../../../../org/apache/openjpa/kernel/AttachManager.html" title="class in org.apache.openjpa.kernel">AttachManager</A>&nbsp;manager,
<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;toAttach,
<A HREF="../../../../org/apache/openjpa/meta/ClassMetaData.html" title="class in org.apache.openjpa.meta">ClassMetaData</A>&nbsp;meta,
<A HREF="../../../../org/apache/openjpa/enhance/PersistenceCapable.html" title="interface in org.apache.openjpa.enhance">PersistenceCapable</A>&nbsp;into,
<A HREF="../../../../org/apache/openjpa/kernel/OpenJPAStateManager.html" title="interface in org.apache.openjpa.kernel">OpenJPAStateManager</A>&nbsp;owner,
<A HREF="../../../../org/apache/openjpa/meta/ValueMetaData.html" title="interface in org.apache.openjpa.meta">ValueMetaData</A>&nbsp;ownerMeta,
boolean&nbsp;explicit)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Attach.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>protected &nbsp;<A HREF="../../../../org/apache/openjpa/enhance/PersistenceCapable.html" title="interface in org.apache.openjpa.enhance">PersistenceCapable</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/openjpa/kernel/VersionAttachStrategy.html#findFromDatabase(org.apache.openjpa.kernel.AttachManager, java.lang.Object)">findFromDatabase</A></B>(<A HREF="../../../../org/apache/openjpa/kernel/AttachManager.html" title="class in org.apache.openjpa.kernel">AttachManager</A>&nbsp;manager,
<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;pc)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Find a PersistenceCapable instance of an Object if it exists in the
database.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>protected &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></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/openjpa/kernel/VersionAttachStrategy.html#getDetachedObjectId(org.apache.openjpa.kernel.AttachManager, java.lang.Object)">getDetachedObjectId</A></B>(<A HREF="../../../../org/apache/openjpa/kernel/AttachManager.html" title="class in org.apache.openjpa.kernel">AttachManager</A>&nbsp;manager,
<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;toAttach)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Return the identity of the given detached instance.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>protected &nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/openjpa/kernel/VersionAttachStrategy.html#provideField(java.lang.Object, org.apache.openjpa.kernel.StateManagerImpl, int)">provideField</A></B>(<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;toAttach,
<A HREF="../../../../org/apache/openjpa/kernel/StateManagerImpl.html" title="class in org.apache.openjpa.kernel">StateManagerImpl</A>&nbsp;sm,
int&nbsp;field)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Provide the given field into this field manager.</TD>
</TR>
</TABLE>
&nbsp;<A NAME="methods_inherited_from_class_org.apache.openjpa.kernel.AttachStrategy"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left"><B>Methods inherited from class org.apache.openjpa.kernel.<A HREF="../../../../org/apache/openjpa/kernel/AttachStrategy.html" title="class in org.apache.openjpa.kernel">AttachStrategy</A></B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../../../org/apache/openjpa/kernel/AttachStrategy.html#attachCollection(org.apache.openjpa.kernel.AttachManager, java.util.Collection, org.apache.openjpa.kernel.OpenJPAStateManager, org.apache.openjpa.meta.FieldMetaData)">attachCollection</A>, <A HREF="../../../../org/apache/openjpa/kernel/AttachStrategy.html#attachField(org.apache.openjpa.kernel.AttachManager, java.lang.Object, org.apache.openjpa.kernel.StateManagerImpl, org.apache.openjpa.meta.FieldMetaData, boolean)">attachField</A>, <A HREF="../../../../org/apache/openjpa/kernel/AttachStrategy.html#attachMap(org.apache.openjpa.kernel.AttachManager, java.util.Map, org.apache.openjpa.kernel.OpenJPAStateManager, org.apache.openjpa.meta.FieldMetaData)">attachMap</A>, <A HREF="../../../../org/apache/openjpa/kernel/AttachStrategy.html#getReference(org.apache.openjpa.kernel.AttachManager, java.lang.Object, org.apache.openjpa.kernel.OpenJPAStateManager, org.apache.openjpa.meta.ValueMetaData)">getReference</A>, <A HREF="../../../../org/apache/openjpa/kernel/AttachStrategy.html#persist(org.apache.openjpa.kernel.AttachManager, org.apache.openjpa.enhance.PersistenceCapable, org.apache.openjpa.meta.ClassMetaData, java.lang.Object, boolean)">persist</A></CODE></TD>
</TR>
</TABLE>
&nbsp;<A NAME="methods_inherited_from_class_org.apache.openjpa.kernel.TransferFieldManager"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left"><B>Methods inherited from class org.apache.openjpa.kernel.<A HREF="../../../../org/apache/openjpa/kernel/TransferFieldManager.html" title="class in org.apache.openjpa.kernel">TransferFieldManager</A></B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../../../org/apache/openjpa/kernel/TransferFieldManager.html#clear()">clear</A>, <A HREF="../../../../org/apache/openjpa/kernel/TransferFieldManager.html#fetchBooleanField(int)">fetchBooleanField</A>, <A HREF="../../../../org/apache/openjpa/kernel/TransferFieldManager.html#fetchByteField(int)">fetchByteField</A>, <A HREF="../../../../org/apache/openjpa/kernel/TransferFieldManager.html#fetchCharField(int)">fetchCharField</A>, <A HREF="../../../../org/apache/openjpa/kernel/TransferFieldManager.html#fetchDoubleField(int)">fetchDoubleField</A>, <A HREF="../../../../org/apache/openjpa/kernel/TransferFieldManager.html#fetchFloatField(int)">fetchFloatField</A>, <A HREF="../../../../org/apache/openjpa/kernel/TransferFieldManager.html#fetchIntField(int)">fetchIntField</A>, <A HREF="../../../../org/apache/openjpa/kernel/TransferFieldManager.html#fetchLongField(int)">fetchLongField</A>, <A HREF="../../../../org/apache/openjpa/kernel/TransferFieldManager.html#fetchObjectField(int)">fetchObjectField</A>, <A HREF="../../../../org/apache/openjpa/kernel/TransferFieldManager.html#fetchShortField(int)">fetchShortField</A>, <A HREF="../../../../org/apache/openjpa/kernel/TransferFieldManager.html#fetchStringField(int)">fetchStringField</A>, <A HREF="../../../../org/apache/openjpa/kernel/TransferFieldManager.html#storeBooleanField(int, boolean)">storeBooleanField</A>, <A HREF="../../../../org/apache/openjpa/kernel/TransferFieldManager.html#storeByteField(int, byte)">storeByteField</A>, <A HREF="../../../../org/apache/openjpa/kernel/TransferFieldManager.html#storeCharField(int, char)">storeCharField</A>, <A HREF="../../../../org/apache/openjpa/kernel/TransferFieldManager.html#storeDoubleField(int, double)">storeDoubleField</A>, <A HREF="../../../../org/apache/openjpa/kernel/TransferFieldManager.html#storeFloatField(int, float)">storeFloatField</A>, <A HREF="../../../../org/apache/openjpa/kernel/TransferFieldManager.html#storeIntField(int, int)">storeIntField</A>, <A HREF="../../../../org/apache/openjpa/kernel/TransferFieldManager.html#storeLongField(int, long)">storeLongField</A>, <A HREF="../../../../org/apache/openjpa/kernel/TransferFieldManager.html#storeObjectField(int, java.lang.Object)">storeObjectField</A>, <A HREF="../../../../org/apache/openjpa/kernel/TransferFieldManager.html#storeShortField(int, short)">storeShortField</A>, <A HREF="../../../../org/apache/openjpa/kernel/TransferFieldManager.html#storeStringField(int, java.lang.String)">storeStringField</A></CODE></TD>
</TR>
</TABLE>
&nbsp;<A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left"><B>Methods inherited from class 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></B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><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, int)" title="class or interface in java.lang">wait</A></CODE></TD>
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&nbsp;
<P>
<!-- ========= CONSTRUCTOR DETAIL ======== -->
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<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
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<B>Constructor Detail</B></FONT></TH>
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<A NAME="VersionAttachStrategy()"><!-- --></A><H3>
VersionAttachStrategy</H3>
<PRE>
<B>VersionAttachStrategy</B>()</PRE>
<DL>
</DL>
<!-- ============ METHOD DETAIL ========== -->
<A NAME="method_detail"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
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<B>Method Detail</B></FONT></TH>
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</TABLE>
<A NAME="getDetachedObjectId(org.apache.openjpa.kernel.AttachManager, java.lang.Object)"><!-- --></A><H3>
getDetachedObjectId</H3>
<PRE>
protected <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> <B>getDetachedObjectId</B>(<A HREF="../../../../org/apache/openjpa/kernel/AttachManager.html" title="class in org.apache.openjpa.kernel">AttachManager</A>&nbsp;manager,
<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;toAttach)</PRE>
<DL>
<DD><B>Description copied from class: <CODE><A HREF="../../../../org/apache/openjpa/kernel/AttachStrategy.html#getDetachedObjectId(org.apache.openjpa.kernel.AttachManager, java.lang.Object)">AttachStrategy</A></CODE></B></DD>
<DD>Return the identity of the given detached instance.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/apache/openjpa/kernel/AttachStrategy.html#getDetachedObjectId(org.apache.openjpa.kernel.AttachManager, java.lang.Object)">getDetachedObjectId</A></CODE> in class <CODE><A HREF="../../../../org/apache/openjpa/kernel/AttachStrategy.html" title="class in org.apache.openjpa.kernel">AttachStrategy</A></CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="provideField(java.lang.Object, org.apache.openjpa.kernel.StateManagerImpl, int)"><!-- --></A><H3>
provideField</H3>
<PRE>
protected void <B>provideField</B>(<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;toAttach,
<A HREF="../../../../org/apache/openjpa/kernel/StateManagerImpl.html" title="class in org.apache.openjpa.kernel">StateManagerImpl</A>&nbsp;sm,
int&nbsp;field)</PRE>
<DL>
<DD><B>Description copied from class: <CODE><A HREF="../../../../org/apache/openjpa/kernel/AttachStrategy.html#provideField(java.lang.Object, org.apache.openjpa.kernel.StateManagerImpl, int)">AttachStrategy</A></CODE></B></DD>
<DD>Provide the given field into this field manager.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/apache/openjpa/kernel/AttachStrategy.html#provideField(java.lang.Object, org.apache.openjpa.kernel.StateManagerImpl, int)">provideField</A></CODE> in class <CODE><A HREF="../../../../org/apache/openjpa/kernel/AttachStrategy.html" title="class in org.apache.openjpa.kernel">AttachStrategy</A></CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="attach(org.apache.openjpa.kernel.AttachManager, java.lang.Object, org.apache.openjpa.meta.ClassMetaData, org.apache.openjpa.enhance.PersistenceCapable, org.apache.openjpa.kernel.OpenJPAStateManager, org.apache.openjpa.meta.ValueMetaData, boolean)"><!-- --></A><H3>
attach</H3>
<PRE>
public <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> <B>attach</B>(<A HREF="../../../../org/apache/openjpa/kernel/AttachManager.html" title="class in org.apache.openjpa.kernel">AttachManager</A>&nbsp;manager,
<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;toAttach,
<A HREF="../../../../org/apache/openjpa/meta/ClassMetaData.html" title="class in org.apache.openjpa.meta">ClassMetaData</A>&nbsp;meta,
<A HREF="../../../../org/apache/openjpa/enhance/PersistenceCapable.html" title="interface in org.apache.openjpa.enhance">PersistenceCapable</A>&nbsp;into,
<A HREF="../../../../org/apache/openjpa/kernel/OpenJPAStateManager.html" title="interface in org.apache.openjpa.kernel">OpenJPAStateManager</A>&nbsp;owner,
<A HREF="../../../../org/apache/openjpa/meta/ValueMetaData.html" title="interface in org.apache.openjpa.meta">ValueMetaData</A>&nbsp;ownerMeta,
boolean&nbsp;explicit)</PRE>
<DL>
<DD><B>Description copied from class: <CODE><A HREF="../../../../org/apache/openjpa/kernel/AttachStrategy.html#attach(org.apache.openjpa.kernel.AttachManager, java.lang.Object, org.apache.openjpa.meta.ClassMetaData, org.apache.openjpa.enhance.PersistenceCapable, org.apache.openjpa.kernel.OpenJPAStateManager, org.apache.openjpa.meta.ValueMetaData, boolean)">AttachStrategy</A></CODE></B></DD>
<DD>Attach.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/apache/openjpa/kernel/AttachStrategy.html#attach(org.apache.openjpa.kernel.AttachManager, java.lang.Object, org.apache.openjpa.meta.ClassMetaData, org.apache.openjpa.enhance.PersistenceCapable, org.apache.openjpa.kernel.OpenJPAStateManager, org.apache.openjpa.meta.ValueMetaData, boolean)">attach</A></CODE> in class <CODE><A HREF="../../../../org/apache/openjpa/kernel/AttachStrategy.html" title="class in org.apache.openjpa.kernel">AttachStrategy</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>manager</CODE> - manager holding cache of attached instances<DD><CODE>toAttach</CODE> - detached instance<DD><CODE>meta</CODE> - metadata for the instance being attached<DD><CODE>into</CODE> - instance we're attaching into<DD><CODE>owner</CODE> - state manager for <code>into</code><DD><CODE>ownerMeta</CODE> - field we traversed to find <code>toAttach</code><DD><CODE>explicit</CODE> - whether to make new instances explicitly persistent</DL>
</DD>
</DL>
<HR>
<A NAME="findFromDatabase(org.apache.openjpa.kernel.AttachManager, java.lang.Object)"><!-- --></A><H3>
findFromDatabase</H3>
<PRE>
protected <A HREF="../../../../org/apache/openjpa/enhance/PersistenceCapable.html" title="interface in org.apache.openjpa.enhance">PersistenceCapable</A> <B>findFromDatabase</B>(<A HREF="../../../../org/apache/openjpa/kernel/AttachManager.html" title="class in org.apache.openjpa.kernel">AttachManager</A>&nbsp;manager,
<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;pc)</PRE>
<DL>
<DD>Find a PersistenceCapable instance of an Object if it exists in the
database. If the object is null or can't be found in the database.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>pc</CODE> - An object which will be attached into the current context. The
object may or may not correspond to a row in the database.
<DT><B>Returns:</B><DD>If the object is null or can't be found in the database this
method returns null. Otherwise a PersistenceCapable representation of the
object is returned.</DL>
</DD>
</DL>
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