routingtable.html

发布/订阅系统路由重配算法,可应用于ad hoc环境

            <A HREF="../com/Unsubscription.html" title="class in com">Unsubscription</A>&nbsp;unsubscription)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Removes the unsubscribed filter from the routing table and forwards
 the unsubscriptions and also uncovered subscriptions to neighbouring
 brokers.</TD>
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<TD><B>Methods inherited from class java.lang.Object</B></TD>
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<TD><CODE>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</CODE></TD>
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<B>Constructor Detail</B></FONT></TD>
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<A NAME="RoutingTable(broker.Broker)"><!-- --></A><H3>
RoutingTable</H3>
<PRE>
public <B>RoutingTable</B>(<A HREF="../broker/Broker.html" title="class in broker">Broker</A>&nbsp;broker)</PRE>
<DL>
<DD>Creates an empty covering-based routing table for the specified broker.
<P>
<DT><B>Parameters:</B><DD><CODE>broker</CODE> - a broker</DL>

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<A NAME="subscribe(broker.Destination, com.Subscription)"><!-- --></A><H3>
subscribe</H3>
<PRE>
public <A HREF="../broker/DestinationSet.html" title="class in broker">DestinationSet</A> <B>subscribe</B>(<A HREF="../broker/Destination.html" title="interface in broker">Destination</A>&nbsp;from,
                                <A HREF="../com/Subscription.html" title="class in com">Subscription</A>&nbsp;subscription)</PRE>
<DL>
<DD>Adds the subscription's filter to the routing table and returns
 the destinations for forwarding the subscription.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>from</CODE> - the sender of the subscription.<DD><CODE>subscription</CODE> - the subscription itself.
<DT><B>Returns:</B><DD>a destination set with nodes to forward the subscription to.</DL>
</DD>
</DL>
<HR>

<A NAME="unsubscribe(broker.Destination, com.Unsubscription)"><!-- --></A><H3>
unsubscribe</H3>
<PRE>
public <A HREF="../broker/DestinationSet.html" title="class in broker">DestinationSet</A> <B>unsubscribe</B>(<A HREF="../broker/Destination.html" title="interface in broker">Destination</A>&nbsp;from,
                                  <A HREF="../com/Unsubscription.html" title="class in com">Unsubscription</A>&nbsp;unsubscription)</PRE>
<DL>
<DD>Removes the unsubscribed filter from the routing table and forwards
 the unsubscriptions and also uncovered subscriptions to neighbouring
 brokers.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>from</CODE> - the destination (broker or client) the unsubscription was
        received from<DD><CODE>unsubscription</CODE> - the unsubscription to process
<DT><B>Returns:</B><DD>a destination set with mapped unsubscriptions to forward</DL>
</DD>
</DL>
<HR>

<A NAME="forward(broker.Destination, com.Notification)"><!-- --></A><H3>
forward</H3>
<PRE>
public <A HREF="../broker/DestinationSet.html" title="class in broker">DestinationSet</A> <B>forward</B>(<A HREF="../broker/Destination.html" title="interface in broker">Destination</A>&nbsp;from,
                              <A HREF="../com/Notification.html" title="class in com">Notification</A>&nbsp;notification)</PRE>
<DL>
<DD>Forwards a notification to all destinations with matching filters.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>from</CODE> - the destination (broker or client) it was received from.<DD><CODE>notification</CODE> - the notification to forward.
<DT><B>Returns:</B><DD>a set of destinations to forward the notification</DL>
</DD>
</DL>
<HR>

<A NAME="getFilters(broker.Destination)"><!-- --></A><H3>
getFilters</H3>
<PRE>
public java.util.Collection <B>getFilters</B>(<A HREF="../broker/Destination.html" title="interface in broker">Destination</A>&nbsp;to)</PRE>
<DL>
<DD>Returns all filters associated to specified destination.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>to</CODE> - the destination.
<DT><B>Returns:</B><DD>all filters associated to the destination to.</DL>
</DD>
</DL>
<HR>

<A NAME="getFilters()"><!-- --></A><H3>
getFilters</H3>
<PRE>
public java.util.Collection <B>getFilters</B>()</PRE>
<DL>
<DD><DL>
</DL>
</DD>
</DL>
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