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ScribeMaintenancePolicy.DefaultScribeMaintenancePolicy (Rice Pastry - API Specifications)
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Rice Pastry API</EM>
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SUMMARY: NESTED | FIELD | <A HREF="#constructor_summary">CONSTR</A> | <A HREF="#method_summary">METHOD</A></FONT></TD>
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DETAIL: FIELD | <A HREF="#constructor_detail">CONSTR</A> | <A HREF="#method_detail">METHOD</A></FONT></TD>
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<H2>
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rice.p2p.scribe.maintenance</FONT>
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<BR>
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Class ScribeMaintenancePolicy.DefaultScribeMaintenancePolicy</H2>
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<PRE>
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java.lang.Object
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<IMG SRC="../../../../resources/inherit.gif" ALT="extended by "><B>rice.p2p.scribe.maintenance.ScribeMaintenancePolicy.DefaultScribeMaintenancePolicy</B>
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</PRE>
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<DL>
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<DT><B>All Implemented Interfaces:</B> <DD><A HREF="../../../../rice/p2p/scribe/maintenance/ScribeMaintenancePolicy.html" title="interface in rice.p2p.scribe.maintenance">ScribeMaintenancePolicy</A></DD>
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<DL>
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<DT><B>Enclosing interface:</B><DD><A HREF="../../../../rice/p2p/scribe/maintenance/ScribeMaintenancePolicy.html" title="interface in rice.p2p.scribe.maintenance">ScribeMaintenancePolicy</A></DD>
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<HR>
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<DL>
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<DT><PRE>public static class <B>ScribeMaintenancePolicy.DefaultScribeMaintenancePolicy</B><DT>extends java.lang.Object<DT>implements <A HREF="../../../../rice/p2p/scribe/maintenance/ScribeMaintenancePolicy.html" title="interface in rice.p2p.scribe.maintenance">ScribeMaintenancePolicy</A></DL>
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<A NAME="nested_class_summary"><!-- --></A>
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<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
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<B>Nested Class Summary</B></FONT></TH>
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</TR>
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</TABLE>
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<A NAME="nested_classes_inherited_from_class_rice.p2p.scribe.maintenance.ScribeMaintenancePolicy"><!-- --></A>
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<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
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<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
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<TH ALIGN="left"><B>Nested classes/interfaces inherited from interface rice.p2p.scribe.maintenance.<A HREF="../../../../rice/p2p/scribe/maintenance/ScribeMaintenancePolicy.html" title="interface in rice.p2p.scribe.maintenance">ScribeMaintenancePolicy</A></B></TH>
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</TR>
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<TR BGCOLOR="white" CLASS="TableRowColor">
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<TD><CODE><A HREF="../../../../rice/p2p/scribe/maintenance/ScribeMaintenancePolicy.DefaultScribeMaintenancePolicy.html" title="class in rice.p2p.scribe.maintenance">ScribeMaintenancePolicy.DefaultScribeMaintenancePolicy</A></CODE></TD>
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<!-- ======== CONSTRUCTOR SUMMARY ======== -->
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<A NAME="constructor_summary"><!-- --></A>
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<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
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<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
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<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
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<B>Constructor Summary</B></FONT></TH>
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</TR>
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<TR BGCOLOR="white" CLASS="TableRowColor">
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<TD><CODE><B><A HREF="../../../../rice/p2p/scribe/maintenance/ScribeMaintenancePolicy.DefaultScribeMaintenancePolicy.html#ScribeMaintenancePolicy.DefaultScribeMaintenancePolicy(rice.environment.Environment)">ScribeMaintenancePolicy.DefaultScribeMaintenancePolicy</A></B>(<A HREF="../../../../rice/environment/Environment.html" title="class in rice.environment">Environment</A> environment)</CODE>
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<BR>
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</TD>
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</TR>
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<!-- ========== METHOD SUMMARY =========== -->
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<A NAME="method_summary"><!-- --></A>
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<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
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<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
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<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
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<B>Method Summary</B></FONT></TH>
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</TR>
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<TR BGCOLOR="white" CLASS="TableRowColor">
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
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<CODE> void</CODE></FONT></TD>
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<TD><CODE><B><A HREF="../../../../rice/p2p/scribe/maintenance/ScribeMaintenancePolicy.DefaultScribeMaintenancePolicy.html#doMaintenance(rice.p2p.scribe.maintenance.MaintainableScribe)">doMaintenance</A></B>(<A HREF="../../../../rice/p2p/scribe/maintenance/MaintainableScribe.html" title="interface in rice.p2p.scribe.maintenance">MaintainableScribe</A> scribe)</CODE>
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<BR>
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Called periodically.</TD>
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</TR>
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<TR BGCOLOR="white" CLASS="TableRowColor">
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
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<CODE> <A HREF="../../../../rice/p2p/scribe/rawserialization/RawScribeContent.html" title="interface in rice.p2p.scribe.rawserialization">RawScribeContent</A></CODE></FONT></TD>
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<TD><CODE><B><A HREF="../../../../rice/p2p/scribe/maintenance/ScribeMaintenancePolicy.DefaultScribeMaintenancePolicy.html#implicitSubscribe(java.util.List)">implicitSubscribe</A></B>(java.util.List<<A HREF="../../../../rice/p2p/scribe/Topic.html" title="class in rice.p2p.scribe">Topic</A>> topics)</CODE>
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<BR>
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Called when subscribing for maintenance or tree rearrangement (such as parent death).</TD>
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</TR>
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<TR BGCOLOR="white" CLASS="TableRowColor">
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
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<CODE> void</CODE></FONT></TD>
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<TD><CODE><B><A HREF="../../../../rice/p2p/scribe/maintenance/ScribeMaintenancePolicy.DefaultScribeMaintenancePolicy.html#nodeFaulty(rice.p2p.scribe.maintenance.MaintainableScribe, rice.p2p.commonapi.NodeHandle, java.util.List, java.util.List)">nodeFaulty</A></B>(<A HREF="../../../../rice/p2p/scribe/maintenance/MaintainableScribe.html" title="interface in rice.p2p.scribe.maintenance">MaintainableScribe</A> scribe,
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<A HREF="../../../../rice/p2p/commonapi/NodeHandle.html" title="class in rice.p2p.commonapi">NodeHandle</A> handle,
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java.util.List<<A HREF="../../../../rice/p2p/scribe/Topic.html" title="class in rice.p2p.scribe">Topic</A>> nodeWasParent,
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java.util.List<<A HREF="../../../../rice/p2p/scribe/Topic.html" title="class in rice.p2p.scribe">Topic</A>> nodeWasChild)</CODE>
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<BR>
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When anyone in any Topic (child or parent) is detected faulty.</TD>
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</TR>
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<TR BGCOLOR="white" CLASS="TableRowColor">
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
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<CODE> void</CODE></FONT></TD>
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<TD><CODE><B><A HREF="../../../../rice/p2p/scribe/maintenance/ScribeMaintenancePolicy.DefaultScribeMaintenancePolicy.html#noLongerRoot(rice.p2p.scribe.maintenance.MaintainableScribe, java.util.List)">noLongerRoot</A></B>(<A HREF="../../../../rice/p2p/scribe/maintenance/MaintainableScribe.html" title="interface in rice.p2p.scribe.maintenance">MaintainableScribe</A> scribe,
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java.util.List<<A HREF="../../../../rice/p2p/scribe/Topic.html" title="class in rice.p2p.scribe">Topic</A>> topics)</CODE>
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<BR>
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Called when membership changes "near" the local node, in overlay space.</TD>
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</TR>
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<TR BGCOLOR="white" CLASS="TableRowColor">
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
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<CODE> void</CODE></FONT></TD>
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<TD><CODE><B><A HREF="../../../../rice/p2p/scribe/maintenance/ScribeMaintenancePolicy.DefaultScribeMaintenancePolicy.html#subscribeFailed(rice.p2p.scribe.maintenance.MaintainableScribe, java.util.List)">subscribeFailed</A></B>(<A HREF="../../../../rice/p2p/scribe/maintenance/MaintainableScribe.html" title="interface in rice.p2p.scribe.maintenance">MaintainableScribe</A> scribe,
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java.util.List<<A HREF="../../../../rice/p2p/scribe/Topic.html" title="class in rice.p2p.scribe">Topic</A>> failedTopics)</CODE>
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<BR>
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The subscription failed.</TD>
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</TR>
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</TABLE>
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<A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A>
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<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
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<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
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<TH ALIGN="left"><B>Methods inherited from class java.lang.Object</B></TH>
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</TR>
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<TR BGCOLOR="white" CLASS="TableRowColor">
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<TD><CODE>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</CODE></TD>
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</TR>
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</TABLE>
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<P>
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<!-- ========= CONSTRUCTOR DETAIL ======== -->
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<A NAME="constructor_detail"><!-- --></A>
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<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
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<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
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<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">
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<B>Constructor Detail</B></FONT></TH>
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</TR>
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</TABLE>
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<A NAME="ScribeMaintenancePolicy.DefaultScribeMaintenancePolicy(rice.environment.Environment)"><!-- --></A><H3>
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ScribeMaintenancePolicy.DefaultScribeMaintenancePolicy</H3>
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<PRE>
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public <B>ScribeMaintenancePolicy.DefaultScribeMaintenancePolicy</B>(<A HREF="../../../../rice/environment/Environment.html" title="class in rice.environment">Environment</A> environment)</PRE>
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<DL>
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</DL>
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<!-- ============ METHOD DETAIL ========== -->
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<A NAME="method_detail"><!-- --></A>
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<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
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<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
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<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">
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<B>Method Detail</B></FONT></TH>
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</TR>
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</TABLE>
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<A NAME="doMaintenance(rice.p2p.scribe.maintenance.MaintainableScribe)"><!-- --></A><H3>
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doMaintenance</H3>
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<PRE>
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public void <B>doMaintenance</B>(<A HREF="../../../../rice/p2p/scribe/maintenance/MaintainableScribe.html" title="interface in rice.p2p.scribe.maintenance">MaintainableScribe</A> scribe)</PRE>
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<DL>
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<DD><B>Description copied from interface: <CODE><A HREF="../../../../rice/p2p/scribe/maintenance/ScribeMaintenancePolicy.html#doMaintenance(rice.p2p.scribe.maintenance.MaintainableScribe)">ScribeMaintenancePolicy</A></CODE></B></DD>
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<DD>Called periodically.
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Can be specified in millis by by the parameter:
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p2p_scribe_maintenance_interval (default 180000) // 3 minutes
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<P>
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<DD><DL>
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<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../rice/p2p/scribe/maintenance/ScribeMaintenancePolicy.html#doMaintenance(rice.p2p.scribe.maintenance.MaintainableScribe)">doMaintenance</A></CODE> in interface <CODE><A HREF="../../../../rice/p2p/scribe/maintenance/ScribeMaintenancePolicy.html" title="interface in rice.p2p.scribe.maintenance">ScribeMaintenancePolicy</A></CODE></DL>
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</DD>
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<DD><DL>
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</DL>
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</DD>
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</DL>
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<HR>
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<A NAME="noLongerRoot(rice.p2p.scribe.maintenance.MaintainableScribe, java.util.List)"><!-- --></A><H3>
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noLongerRoot</H3>
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<PRE>
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public void <B>noLongerRoot</B>(<A HREF="../../../../rice/p2p/scribe/maintenance/MaintainableScribe.html" title="interface in rice.p2p.scribe.maintenance">MaintainableScribe</A> scribe,
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java.util.List<<A HREF="../../../../rice/p2p/scribe/Topic.html" title="class in rice.p2p.scribe">Topic</A>> topics)</PRE>
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<DL>
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<DD><B>Description copied from interface: <CODE><A HREF="../../../../rice/p2p/scribe/maintenance/ScribeMaintenancePolicy.html#noLongerRoot(rice.p2p.scribe.maintenance.MaintainableScribe, java.util.List)">ScribeMaintenancePolicy</A></CODE></B></DD>
|
||
|
|
<DD>Called when membership changes "near" the local node, in overlay space.
|
||
|
|
|
||
|
|
The typical use of this function would be to detect if the root has
|
||
|
|
changed and subscribe to the new root, like this:
|
||
|
|
<pre>
|
||
|
|
for (Topic topic : topics) {
|
||
|
|
scribe.subscribe(topic);
|
||
|
|
}
|
||
|
|
</pre>
|
||
|
|
|
||
|
|
Note however that this approach can cause a long tail at the head of the tree.
|
||
|
|
<P>
|
||
|
|
<DD><DL>
|
||
|
|
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../rice/p2p/scribe/maintenance/ScribeMaintenancePolicy.html#noLongerRoot(rice.p2p.scribe.maintenance.MaintainableScribe, java.util.List)">noLongerRoot</A></CODE> in interface <CODE><A HREF="../../../../rice/p2p/scribe/maintenance/ScribeMaintenancePolicy.html" title="interface in rice.p2p.scribe.maintenance">ScribeMaintenancePolicy</A></CODE></DL>
|
||
|
|
</DD>
|
||
|
|
<DD><DL>
|
||
|
|
</DL>
|
||
|
|
</DD>
|
||
|
|
</DL>
|
||
|
|
<HR>
|
||
|
|
|
||
|
|
<A NAME="nodeFaulty(rice.p2p.scribe.maintenance.MaintainableScribe, rice.p2p.commonapi.NodeHandle, java.util.List, java.util.List)"><!-- --></A><H3>
|
||
|
|
nodeFaulty</H3>
|
||
|
|
<PRE>
|
||
|
|
public void <B>nodeFaulty</B>(<A HREF="../../../../rice/p2p/scribe/maintenance/MaintainableScribe.html" title="interface in rice.p2p.scribe.maintenance">MaintainableScribe</A> scribe,
|
||
|
|
<A HREF="../../../../rice/p2p/commonapi/NodeHandle.html" title="class in rice.p2p.commonapi">NodeHandle</A> handle,
|
||
|
|
java.util.List<<A HREF="../../../../rice/p2p/scribe/Topic.html" title="class in rice.p2p.scribe">Topic</A>> nodeWasParent,
|
||
|
|
java.util.List<<A HREF="../../../../rice/p2p/scribe/Topic.html" title="class in rice.p2p.scribe">Topic</A>> nodeWasChild)</PRE>
|
||
|
|
<DL>
|
||
|
|
<DD><B>Description copied from interface: <CODE><A HREF="../../../../rice/p2p/scribe/maintenance/ScribeMaintenancePolicy.html#nodeFaulty(rice.p2p.scribe.maintenance.MaintainableScribe, rice.p2p.commonapi.NodeHandle, java.util.List, java.util.List)">ScribeMaintenancePolicy</A></CODE></B></DD>
|
||
|
|
<DD>When anyone in any Topic (child or parent) is detected faulty.
|
||
|
|
|
||
|
|
<pre>
|
||
|
|
for (Topic topic : nodeWasParent) {
|
||
|
|
if (!isRoot(topic)) {
|
||
|
|
scribe.subscribe(topic);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
</pre>
|
||
|
|
<P>
|
||
|
|
<DD><DL>
|
||
|
|
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../rice/p2p/scribe/maintenance/ScribeMaintenancePolicy.html#nodeFaulty(rice.p2p.scribe.maintenance.MaintainableScribe, rice.p2p.commonapi.NodeHandle, java.util.List, java.util.List)">nodeFaulty</A></CODE> in interface <CODE><A HREF="../../../../rice/p2p/scribe/maintenance/ScribeMaintenancePolicy.html" title="interface in rice.p2p.scribe.maintenance">ScribeMaintenancePolicy</A></CODE></DL>
|
||
|
|
</DD>
|
||
|
|
<DD><DL>
|
||
|
|
</DL>
|
||
|
|
</DD>
|
||
|
|
</DL>
|
||
|
|
<HR>
|
||
|
|
|
||
|
|
<A NAME="subscribeFailed(rice.p2p.scribe.maintenance.MaintainableScribe, java.util.List)"><!-- --></A><H3>
|
||
|
|
subscribeFailed</H3>
|
||
|
|
<PRE>
|
||
|
|
public void <B>subscribeFailed</B>(<A HREF="../../../../rice/p2p/scribe/maintenance/MaintainableScribe.html" title="interface in rice.p2p.scribe.maintenance">MaintainableScribe</A> scribe,
|
||
|
|
java.util.List<<A HREF="../../../../rice/p2p/scribe/Topic.html" title="class in rice.p2p.scribe">Topic</A>> failedTopics)</PRE>
|
||
|
|
<DL>
|
||
|
|
<DD><B>Description copied from interface: <CODE><A HREF="../../../../rice/p2p/scribe/maintenance/ScribeMaintenancePolicy.html#subscribeFailed(rice.p2p.scribe.maintenance.MaintainableScribe, java.util.List)">ScribeMaintenancePolicy</A></CODE></B></DD>
|
||
|
|
<DD>The subscription failed. This is called if no particular client requested the Subscription.
|
||
|
|
|
||
|
|
TODO: Does this belong in the normal policy instead?
|
||
|
|
<P>
|
||
|
|
<DD><DL>
|
||
|
|
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../rice/p2p/scribe/maintenance/ScribeMaintenancePolicy.html#subscribeFailed(rice.p2p.scribe.maintenance.MaintainableScribe, java.util.List)">subscribeFailed</A></CODE> in interface <CODE><A HREF="../../../../rice/p2p/scribe/maintenance/ScribeMaintenancePolicy.html" title="interface in rice.p2p.scribe.maintenance">ScribeMaintenancePolicy</A></CODE></DL>
|
||
|
|
</DD>
|
||
|
|
<DD><DL>
|
||
|
|
</DL>
|
||
|
|
</DD>
|
||
|
|
</DL>
|
||
|
|
<HR>
|
||
|
|
|
||
|
|
<A NAME="implicitSubscribe(java.util.List)"><!-- --></A><H3>
|
||
|
|
implicitSubscribe</H3>
|
||
|
|
<PRE>
|
||
|
|
public <A HREF="../../../../rice/p2p/scribe/rawserialization/RawScribeContent.html" title="interface in rice.p2p.scribe.rawserialization">RawScribeContent</A> <B>implicitSubscribe</B>(java.util.List<<A HREF="../../../../rice/p2p/scribe/Topic.html" title="class in rice.p2p.scribe">Topic</A>> topics)</PRE>
|
||
|
|
<DL>
|
||
|
|
<DD>Called when subscribing for maintenance or tree rearrangement (such as parent death).
|
||
|
|
|
||
|
|
This gives the MaintenancePolicy a chance to set the ScribeContent in these messages.
|
||
|
|
<P>
|
||
|
|
<DD><DL>
|
||
|
|
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../rice/p2p/scribe/maintenance/ScribeMaintenancePolicy.html#implicitSubscribe(java.util.List)">implicitSubscribe</A></CODE> in interface <CODE><A HREF="../../../../rice/p2p/scribe/maintenance/ScribeMaintenancePolicy.html" title="interface in rice.p2p.scribe.maintenance">ScribeMaintenancePolicy</A></CODE></DL>
|
||
|
|
</DD>
|
||
|
|
<DD><DL>
|
||
|
|
<DT><B>Parameters:</B><DD><CODE>topics</CODE> - the topics we are implicitly subscribing to
|
||
|
|
<DT><B>Returns:</B><DD>the ScribeContent to put into the SubscribeMessage (null is ok)</DL>
|
||
|
|
</DD>
|
||
|
|
</DL>
|
||
|
|
<!-- ========= END OF CLASS DATA ========= -->
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|
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|
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<TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM>
|
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|
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|
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SUMMARY: NESTED | FIELD | <A HREF="#constructor_summary">CONSTR</A> | <A HREF="#method_summary">METHOD</A></FONT></TD>
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