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NodeHandle (Rice Pastry - API Specifications)
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Rice Pastry API</EM>
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SUMMARY: NESTED | <A HREF="#field_summary">FIELD</A> | <A HREF="#constructor_summary">CONSTR</A> | <A HREF="#method_summary">METHOD</A></FONT></TD>
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DETAIL: <A HREF="#field_detail">FIELD</A> | <A HREF="#constructor_detail">CONSTR</A> | <A HREF="#method_detail">METHOD</A></FONT></TD>
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rice.p2p.commonapi</FONT>
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Class NodeHandle</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 ">java.util.Observable
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<IMG SRC="../../../resources/inherit.gif" ALT="extended by "><B>rice.p2p.commonapi.NodeHandle</B>
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<DL>
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<DT><B>All Implemented Interfaces:</B> <DD>java.io.Serializable</DD>
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</DL>
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<DL>
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<DT><B>Direct Known Subclasses:</B> <DD><A HREF="../../../rice/p2p/multiring/MultiringNodeHandle.html" title="class in rice.p2p.multiring">MultiringNodeHandle</A>, <A HREF="../../../rice/pastry/NodeHandle.html" title="class in rice.pastry">NodeHandle</A></DD>
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<DL>
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<DT><PRE>public abstract class <B>NodeHandle</B><DT>extends java.util.Observable<DT>implements java.io.Serializable</DL>
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</PRE>
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<DT><B>Version:</B></DT>
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<DD>$Id: NodeHandle.java 4231 2008-06-24 12:22:18Z jeffh $</DD>
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<DT><B>Author:</B></DT>
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<DD>Alan Mislove, Peter Druschel</DD>
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<DT><B>See Also:</B><DD><A HREF="../../../serialized-form.html#rice.p2p.commonapi.NodeHandle">Serialized Form</A></DL>
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<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
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<B>Field 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>static java.lang.Integer</CODE></FONT></TD>
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<TD><CODE><B><A HREF="../../../rice/p2p/commonapi/NodeHandle.html#DECLARED_DEAD">DECLARED_DEAD</A></B></CODE>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
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<CODE>static java.lang.Integer</CODE></FONT></TD>
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<TD><CODE><B><A HREF="../../../rice/p2p/commonapi/NodeHandle.html#DECLARED_LIVE">DECLARED_LIVE</A></B></CODE>
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<BR>
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</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>static java.lang.Integer</CODE></FONT></TD>
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<TD><CODE><B><A HREF="../../../rice/p2p/commonapi/NodeHandle.html#PROXIMITY_CHANGED">PROXIMITY_CHANGED</A></B></CODE>
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<BR>
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</TD>
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</TR>
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</TABLE>
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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/commonapi/NodeHandle.html#NodeHandle()">NodeHandle</A></B>()</CODE>
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<BR>
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</TD>
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</TR>
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</TABLE>
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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>abstract boolean</CODE></FONT></TD>
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<TD><CODE><B><A HREF="../../../rice/p2p/commonapi/NodeHandle.html#checkLiveness()">checkLiveness</A></B>()</CODE>
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<BR>
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Requests that the underlying transport layer check to ensure
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that the remote node is live.</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>abstract <A HREF="../../../rice/p2p/commonapi/Id.html" title="interface in rice.p2p.commonapi">Id</A></CODE></FONT></TD>
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<TD><CODE><B><A HREF="../../../rice/p2p/commonapi/NodeHandle.html#getId()">getId</A></B>()</CODE>
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<BR>
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Returns this node's id.</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>abstract boolean</CODE></FONT></TD>
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<TD><CODE><B><A HREF="../../../rice/p2p/commonapi/NodeHandle.html#isAlive()">isAlive</A></B>()</CODE>
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<BR>
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<B>Deprecated.</B> <I>use Endpoint.isAlive(NodeHandle)</I></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>abstract int</CODE></FONT></TD>
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<TD><CODE><B><A HREF="../../../rice/p2p/commonapi/NodeHandle.html#proximity()">proximity</A></B>()</CODE>
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<BR>
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<B>Deprecated.</B> <I>use Endpoint.proximity(NodeHandle)</I></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>abstract void</CODE></FONT></TD>
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<TD><CODE><B><A HREF="../../../rice/p2p/commonapi/NodeHandle.html#serialize(rice.p2p.commonapi.rawserialization.OutputBuffer)">serialize</A></B>(<A HREF="../../../rice/p2p/commonapi/rawserialization/OutputBuffer.html" title="interface in rice.p2p.commonapi.rawserialization">OutputBuffer</A> buf)</CODE>
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<BR>
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</TD>
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</TR>
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</TABLE>
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<A NAME="methods_inherited_from_class_java.util.Observable"><!-- --></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.util.Observable</B></TH>
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</TR>
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<TR BGCOLOR="white" CLASS="TableRowColor">
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<TD><CODE>addObserver, clearChanged, countObservers, deleteObserver, deleteObservers, hasChanged, notifyObservers, notifyObservers, setChanged</CODE></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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<!-- ============ FIELD DETAIL =========== -->
|
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<A NAME="field_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>Field Detail</B></FONT></TH>
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||
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</TR>
|
||
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</TABLE>
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||
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<A NAME="PROXIMITY_CHANGED"><!-- --></A><H3>
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PROXIMITY_CHANGED</H3>
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<PRE>
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public static final java.lang.Integer <B>PROXIMITY_CHANGED</B></PRE>
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<DL>
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<DL>
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</DL>
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</DL>
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<HR>
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<A NAME="DECLARED_DEAD"><!-- --></A><H3>
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DECLARED_DEAD</H3>
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<PRE>
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public static final java.lang.Integer <B>DECLARED_DEAD</B></PRE>
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<DL>
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<DL>
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</DL>
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</DL>
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<HR>
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<A NAME="DECLARED_LIVE"><!-- --></A><H3>
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DECLARED_LIVE</H3>
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<PRE>
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public static final java.lang.Integer <B>DECLARED_LIVE</B></PRE>
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<DL>
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<DL>
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</DL>
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</DL>
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<!-- ========= CONSTRUCTOR DETAIL ======== -->
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||
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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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||
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</TABLE>
|
||
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|
||
|
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<A NAME="NodeHandle()"><!-- --></A><H3>
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NodeHandle</H3>
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<PRE>
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||
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public <B>NodeHandle</B>()</PRE>
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<DL>
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||
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</DL>
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|
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<!-- ============ METHOD DETAIL ========== -->
|
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|
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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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|
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|
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<A NAME="getId()"><!-- --></A><H3>
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getId</H3>
|
||
|
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<PRE>
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||
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public abstract <A HREF="../../../rice/p2p/commonapi/Id.html" title="interface in rice.p2p.commonapi">Id</A> <B>getId</B>()</PRE>
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||
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<DL>
|
||
|
|
<DD>Returns this node's id.
|
||
|
|
<P>
|
||
|
|
<DD><DL>
|
||
|
|
</DL>
|
||
|
|
</DD>
|
||
|
|
<DD><DL>
|
||
|
|
|
||
|
|
<DT><B>Returns:</B><DD>The corresponding node's id.</DL>
|
||
|
|
</DD>
|
||
|
|
</DL>
|
||
|
|
<HR>
|
||
|
|
|
||
|
|
<A NAME="isAlive()"><!-- --></A><H3>
|
||
|
|
isAlive</H3>
|
||
|
|
<PRE>
|
||
|
|
public abstract boolean <B>isAlive</B>()</PRE>
|
||
|
|
<DL>
|
||
|
|
<DD><B>Deprecated.</B> <I>use Endpoint.isAlive(NodeHandle)</I>
|
||
|
|
<P>
|
||
|
|
<DD>Returns whether or not this node is currently alive
|
||
|
|
<P>
|
||
|
|
<DD><DL>
|
||
|
|
</DL>
|
||
|
|
</DD>
|
||
|
|
<DD><DL>
|
||
|
|
|
||
|
|
<DT><B>Returns:</B><DD>Whether or not this node is currently alive</DL>
|
||
|
|
</DD>
|
||
|
|
</DL>
|
||
|
|
<HR>
|
||
|
|
|
||
|
|
<A NAME="proximity()"><!-- --></A><H3>
|
||
|
|
proximity</H3>
|
||
|
|
<PRE>
|
||
|
|
public abstract int <B>proximity</B>()</PRE>
|
||
|
|
<DL>
|
||
|
|
<DD><B>Deprecated.</B> <I>use Endpoint.proximity(NodeHandle)</I>
|
||
|
|
<P>
|
||
|
|
<DD>Returns the current proximity value of this node
|
||
|
|
<P>
|
||
|
|
<DD><DL>
|
||
|
|
</DL>
|
||
|
|
</DD>
|
||
|
|
<DD><DL>
|
||
|
|
|
||
|
|
<DT><B>Returns:</B><DD>The current proximity value of this node</DL>
|
||
|
|
</DD>
|
||
|
|
</DL>
|
||
|
|
<HR>
|
||
|
|
|
||
|
|
<A NAME="checkLiveness()"><!-- --></A><H3>
|
||
|
|
checkLiveness</H3>
|
||
|
|
<PRE>
|
||
|
|
public abstract boolean <B>checkLiveness</B>()</PRE>
|
||
|
|
<DL>
|
||
|
|
<DD>Requests that the underlying transport layer check to ensure
|
||
|
|
that the remote node is live. If the node is found to be live, nothing
|
||
|
|
happens, but if the node does not respond, the transport layer
|
||
|
|
make take steps to verify that the node is dead. Such steps
|
||
|
|
could include finding an alternate route to the node.
|
||
|
|
<P>
|
||
|
|
<DD><DL>
|
||
|
|
</DL>
|
||
|
|
</DD>
|
||
|
|
<DD><DL>
|
||
|
|
|
||
|
|
<DT><B>Returns:</B><DD>Whether or not the node is currently alive</DL>
|
||
|
|
</DD>
|
||
|
|
</DL>
|
||
|
|
<HR>
|
||
|
|
|
||
|
|
<A NAME="serialize(rice.p2p.commonapi.rawserialization.OutputBuffer)"><!-- --></A><H3>
|
||
|
|
serialize</H3>
|
||
|
|
<PRE>
|
||
|
|
public abstract void <B>serialize</B>(<A HREF="../../../rice/p2p/commonapi/rawserialization/OutputBuffer.html" title="interface in rice.p2p.commonapi.rawserialization">OutputBuffer</A> buf)
|
||
|
|
throws java.io.IOException</PRE>
|
||
|
|
<DL>
|
||
|
|
<DD><DL>
|
||
|
|
</DL>
|
||
|
|
</DD>
|
||
|
|
<DD><DL>
|
||
|
|
|
||
|
|
<DT><B>Throws:</B>
|
||
|
|
<DD><CODE>java.io.IOException</CODE></DL>
|
||
|
|
</DD>
|
||
|
|
</DL>
|
||
|
|
<!-- ========= END OF CLASS DATA ========= -->
|
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<TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM>
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