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OpCallbacks (OpenJPA Parent POM 2.1.1 API)
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org.apache.openjpa.kernel</FONT>
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Interface OpCallbacks</H2>
<DL>
<DT><B>All Known Implementing Classes:</B> <DD><A HREF="../../../../org/apache/openjpa/persistence/EntityManagerImpl.html" title="class in org.apache.openjpa.persistence">EntityManagerImpl</A></DD>
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<DT><PRE>public interface <B>OpCallbacks</B></DL>
</PRE>
<P>
Allows facades to control the particulars of persistence operations
through callbacks.
<P>
<P>
<DL>
<DT><B>Author:</B></DT>
<DD>Abe White</DD>
</DL>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/openjpa/kernel/OpCallbacks.html#ACT_CASCADE">ACT_CASCADE</A></B></CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/openjpa/kernel/OpCallbacks.html#ACT_NONE">ACT_NONE</A></B></CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/openjpa/kernel/OpCallbacks.html#ACT_RUN">ACT_RUN</A></B></CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/openjpa/kernel/OpCallbacks.html#OP_ATTACH">OP_ATTACH</A></B></CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/openjpa/kernel/OpCallbacks.html#OP_DELETE">OP_DELETE</A></B></CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/openjpa/kernel/OpCallbacks.html#OP_DETACH">OP_DETACH</A></B></CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/openjpa/kernel/OpCallbacks.html#OP_EVICT">OP_EVICT</A></B></CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/openjpa/kernel/OpCallbacks.html#OP_LOCK">OP_LOCK</A></B></CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/openjpa/kernel/OpCallbacks.html#OP_NONTRANSACTIONAL">OP_NONTRANSACTIONAL</A></B></CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/openjpa/kernel/OpCallbacks.html#OP_PERSIST">OP_PERSIST</A></B></CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/openjpa/kernel/OpCallbacks.html#OP_REFRESH">OP_REFRESH</A></B></CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/openjpa/kernel/OpCallbacks.html#OP_RELEASE">OP_RELEASE</A></B></CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/openjpa/kernel/OpCallbacks.html#OP_RETRIEVE">OP_RETRIEVE</A></B></CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/openjpa/kernel/OpCallbacks.html#OP_TRANSACTIONAL">OP_TRANSACTIONAL</A></B></CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
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<CODE>&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/openjpa/kernel/OpCallbacks.html#processArgument(int, java.lang.Object, org.apache.openjpa.kernel.OpenJPAStateManager)">processArgument</A></B>(int&nbsp;op,
<A HREF="http://java.sun.com/j2se/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A>&nbsp;arg,
<A HREF="../../../../org/apache/openjpa/kernel/OpenJPAStateManager.html" title="interface in org.apache.openjpa.kernel">OpenJPAStateManager</A>&nbsp;sm)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Process operation argument.</TD>
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<A NAME="OP_PERSIST"><!-- --></A><H3>
OP_PERSIST</H3>
<PRE>
static final int <B>OP_PERSIST</B></PRE>
<DL>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../../constant-values.html#org.apache.openjpa.kernel.OpCallbacks.OP_PERSIST">Constant Field Values</A></DL>
</DL>
<HR>
<A NAME="OP_DELETE"><!-- --></A><H3>
OP_DELETE</H3>
<PRE>
static final int <B>OP_DELETE</B></PRE>
<DL>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../../constant-values.html#org.apache.openjpa.kernel.OpCallbacks.OP_DELETE">Constant Field Values</A></DL>
</DL>
<HR>
<A NAME="OP_REFRESH"><!-- --></A><H3>
OP_REFRESH</H3>
<PRE>
static final int <B>OP_REFRESH</B></PRE>
<DL>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../../constant-values.html#org.apache.openjpa.kernel.OpCallbacks.OP_REFRESH">Constant Field Values</A></DL>
</DL>
<HR>
<A NAME="OP_RETRIEVE"><!-- --></A><H3>
OP_RETRIEVE</H3>
<PRE>
static final int <B>OP_RETRIEVE</B></PRE>
<DL>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../../constant-values.html#org.apache.openjpa.kernel.OpCallbacks.OP_RETRIEVE">Constant Field Values</A></DL>
</DL>
<HR>
<A NAME="OP_RELEASE"><!-- --></A><H3>
OP_RELEASE</H3>
<PRE>
static final int <B>OP_RELEASE</B></PRE>
<DL>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../../constant-values.html#org.apache.openjpa.kernel.OpCallbacks.OP_RELEASE">Constant Field Values</A></DL>
</DL>
<HR>
<A NAME="OP_EVICT"><!-- --></A><H3>
OP_EVICT</H3>
<PRE>
static final int <B>OP_EVICT</B></PRE>
<DL>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../../constant-values.html#org.apache.openjpa.kernel.OpCallbacks.OP_EVICT">Constant Field Values</A></DL>
</DL>
<HR>
<A NAME="OP_ATTACH"><!-- --></A><H3>
OP_ATTACH</H3>
<PRE>
static final int <B>OP_ATTACH</B></PRE>
<DL>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../../constant-values.html#org.apache.openjpa.kernel.OpCallbacks.OP_ATTACH">Constant Field Values</A></DL>
</DL>
<HR>
<A NAME="OP_DETACH"><!-- --></A><H3>
OP_DETACH</H3>
<PRE>
static final int <B>OP_DETACH</B></PRE>
<DL>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../../constant-values.html#org.apache.openjpa.kernel.OpCallbacks.OP_DETACH">Constant Field Values</A></DL>
</DL>
<HR>
<A NAME="OP_NONTRANSACTIONAL"><!-- --></A><H3>
OP_NONTRANSACTIONAL</H3>
<PRE>
static final int <B>OP_NONTRANSACTIONAL</B></PRE>
<DL>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../../constant-values.html#org.apache.openjpa.kernel.OpCallbacks.OP_NONTRANSACTIONAL">Constant Field Values</A></DL>
</DL>
<HR>
<A NAME="OP_TRANSACTIONAL"><!-- --></A><H3>
OP_TRANSACTIONAL</H3>
<PRE>
static final int <B>OP_TRANSACTIONAL</B></PRE>
<DL>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../../constant-values.html#org.apache.openjpa.kernel.OpCallbacks.OP_TRANSACTIONAL">Constant Field Values</A></DL>
</DL>
<HR>
<A NAME="OP_LOCK"><!-- --></A><H3>
OP_LOCK</H3>
<PRE>
static final int <B>OP_LOCK</B></PRE>
<DL>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../../constant-values.html#org.apache.openjpa.kernel.OpCallbacks.OP_LOCK">Constant Field Values</A></DL>
</DL>
<HR>
<A NAME="ACT_NONE"><!-- --></A><H3>
ACT_NONE</H3>
<PRE>
static final int <B>ACT_NONE</B></PRE>
<DL>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../../constant-values.html#org.apache.openjpa.kernel.OpCallbacks.ACT_NONE">Constant Field Values</A></DL>
</DL>
<HR>
<A NAME="ACT_CASCADE"><!-- --></A><H3>
ACT_CASCADE</H3>
<PRE>
static final int <B>ACT_CASCADE</B></PRE>
<DL>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../../constant-values.html#org.apache.openjpa.kernel.OpCallbacks.ACT_CASCADE">Constant Field Values</A></DL>
</DL>
<HR>
<A NAME="ACT_RUN"><!-- --></A><H3>
ACT_RUN</H3>
<PRE>
static final int <B>ACT_RUN</B></PRE>
<DL>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../../constant-values.html#org.apache.openjpa.kernel.OpCallbacks.ACT_RUN">Constant Field Values</A></DL>
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<A NAME="processArgument(int, java.lang.Object, org.apache.openjpa.kernel.OpenJPAStateManager)"><!-- --></A><H3>
processArgument</H3>
<PRE>
int <B>processArgument</B>(int&nbsp;op,
<A HREF="http://java.sun.com/j2se/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A>&nbsp;arg,
<A HREF="../../../../org/apache/openjpa/kernel/OpenJPAStateManager.html" title="interface in org.apache.openjpa.kernel">OpenJPAStateManager</A>&nbsp;sm)</PRE>
<DL>
<DD>Process operation argument. Throw proper
<A HREF="../../../../org/apache/openjpa/util/OpenJPAException.html" title="class in org.apache.openjpa.util"><CODE>OpenJPAException</CODE></A> for illegal value.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>op</CODE> - the operation constant<DD><CODE>arg</CODE> - the object passed to the operation<DD><CODE>sm</CODE> - the argument's state manager, or null if none
<DT><B>Returns:</B><DD>the action to take on the argument</DL>
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