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| org.apache.cayenne.graph</FONT> |
| <BR> |
| Interface GraphChangeHandler</H2> |
| <DL> |
| <DT><B>All Known Subinterfaces:</B> <DD><A HREF="../../../../org/apache/cayenne/graph/GraphManager.html" title="interface in org.apache.cayenne.graph">GraphManager</A></DD> |
| </DL> |
| <DL> |
| <DT><B>All Known Implementing Classes:</B> <DD><A HREF="../../../../org/apache/cayenne/graph/GraphMap.html" title="class in org.apache.cayenne.graph">GraphMap</A>, <A HREF="../../../../org/apache/cayenne/access/ObjectStore.html" title="class in org.apache.cayenne.access">ObjectStore</A></DD> |
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| <DL> |
| <DT><PRE>public interface <B>GraphChangeHandler</B></DL> |
| </PRE> |
| |
| <P> |
| Defines callback API that can be used by object graph nodes to notify of their state |
| changes. Graph nodes can be any objects as long as each node supports a notion of a |
| unique id within the graph and each directional arc has a unique identifier within its |
| source node. |
| <P> |
| |
| <P> |
| <DL> |
| <DT><B>Since:</B></DT> |
| <DD>1.2</DD> |
| <DT><B>Author:</B></DT> |
| <DD>Andrus Adamchik</DD> |
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| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE> void</CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../org/apache/cayenne/graph/GraphChangeHandler.html#arcCreated(java.lang.Object, java.lang.Object, java.lang.Object)">arcCreated</A></B>(java.lang.Object nodeId, |
| java.lang.Object targetNodeId, |
| java.lang.Object arcId)</CODE> |
| |
| <BR> |
| Notifies implementing object that a new arc was created between two nodes.</TD> |
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| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE> void</CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../org/apache/cayenne/graph/GraphChangeHandler.html#arcDeleted(java.lang.Object, java.lang.Object, java.lang.Object)">arcDeleted</A></B>(java.lang.Object nodeId, |
| java.lang.Object targetNodeId, |
| java.lang.Object arcId)</CODE> |
| |
| <BR> |
| Notifies implementing object that an arc between two nodes was deleted.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE> void</CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../org/apache/cayenne/graph/GraphChangeHandler.html#nodeCreated(java.lang.Object)">nodeCreated</A></B>(java.lang.Object nodeId)</CODE> |
| |
| <BR> |
| Notifies implementing object that a new node was created in the graph.</TD> |
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| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE> void</CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../org/apache/cayenne/graph/GraphChangeHandler.html#nodeIdChanged(java.lang.Object, java.lang.Object)">nodeIdChanged</A></B>(java.lang.Object nodeId, |
| java.lang.Object newId)</CODE> |
| |
| <BR> |
| Notifies implementing object that a node was assigned a new id.</TD> |
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| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE> void</CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../org/apache/cayenne/graph/GraphChangeHandler.html#nodePropertyChanged(java.lang.Object, java.lang.String, java.lang.Object, java.lang.Object)">nodePropertyChanged</A></B>(java.lang.Object nodeId, |
| java.lang.String property, |
| java.lang.Object oldValue, |
| java.lang.Object newValue)</CODE> |
| |
| <BR> |
| Notifies implementing object that a node's property was modified.</TD> |
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| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE> void</CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../org/apache/cayenne/graph/GraphChangeHandler.html#nodeRemoved(java.lang.Object)">nodeRemoved</A></B>(java.lang.Object nodeId)</CODE> |
| |
| <BR> |
| Notifies implementing object that a node was removed from the graph.</TD> |
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| <A NAME="nodeIdChanged(java.lang.Object, java.lang.Object)"><!-- --></A><H3> |
| nodeIdChanged</H3> |
| <PRE> |
| void <B>nodeIdChanged</B>(java.lang.Object nodeId, |
| java.lang.Object newId)</PRE> |
| <DL> |
| <DD>Notifies implementing object that a node was assigned a new id. |
| <P> |
| <DD><DL> |
| </DL> |
| </DD> |
| </DL> |
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| |
| <A NAME="nodeCreated(java.lang.Object)"><!-- --></A><H3> |
| nodeCreated</H3> |
| <PRE> |
| void <B>nodeCreated</B>(java.lang.Object nodeId)</PRE> |
| <DL> |
| <DD>Notifies implementing object that a new node was created in the graph. |
| <P> |
| <DD><DL> |
| </DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="nodeRemoved(java.lang.Object)"><!-- --></A><H3> |
| nodeRemoved</H3> |
| <PRE> |
| void <B>nodeRemoved</B>(java.lang.Object nodeId)</PRE> |
| <DL> |
| <DD>Notifies implementing object that a node was removed from the graph. |
| <P> |
| <DD><DL> |
| </DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="nodePropertyChanged(java.lang.Object, java.lang.String, java.lang.Object, java.lang.Object)"><!-- --></A><H3> |
| nodePropertyChanged</H3> |
| <PRE> |
| void <B>nodePropertyChanged</B>(java.lang.Object nodeId, |
| java.lang.String property, |
| java.lang.Object oldValue, |
| java.lang.Object newValue)</PRE> |
| <DL> |
| <DD>Notifies implementing object that a node's property was modified. |
| <P> |
| <DD><DL> |
| </DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="arcCreated(java.lang.Object, java.lang.Object, java.lang.Object)"><!-- --></A><H3> |
| arcCreated</H3> |
| <PRE> |
| void <B>arcCreated</B>(java.lang.Object nodeId, |
| java.lang.Object targetNodeId, |
| java.lang.Object arcId)</PRE> |
| <DL> |
| <DD>Notifies implementing object that a new arc was created between two nodes. |
| <P> |
| <DD><DL> |
| </DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="arcDeleted(java.lang.Object, java.lang.Object, java.lang.Object)"><!-- --></A><H3> |
| arcDeleted</H3> |
| <PRE> |
| void <B>arcDeleted</B>(java.lang.Object nodeId, |
| java.lang.Object targetNodeId, |
| java.lang.Object arcId)</PRE> |
| <DL> |
| <DD>Notifies implementing object that an arc between two nodes was deleted. |
| <P> |
| <DD><DL> |
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