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7Uses of Interface org.apache.hadoop.net.Node (Hadoop 0.20.1 API)
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83<H2>
84<B>Uses of Interface<br>org.apache.hadoop.net.Node</B></H2>
85</CENTER>
86
87<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
88<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
89<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
90Packages that use <A HREF="../../../../../org/apache/hadoop/net/Node.html" title="interface in org.apache.hadoop.net">Node</A></FONT></TH>
91</TR>
92<TR BGCOLOR="white" CLASS="TableRowColor">
93<TD><A HREF="#org.apache.hadoop.mapred"><B>org.apache.hadoop.mapred</B></A></TD>
94<TD>A software framework for easily writing applications which process vast
95amounts of data (multi-terabyte data-sets) parallelly on large clusters
96(thousands of nodes) built of commodity hardware in a reliable, fault-tolerant
97manner.&nbsp;</TD>
98</TR>
99<TR BGCOLOR="white" CLASS="TableRowColor">
100<TD><A HREF="#org.apache.hadoop.net"><B>org.apache.hadoop.net</B></A></TD>
101<TD>Network-related classes.&nbsp;</TD>
102</TR>
103</TABLE>
104&nbsp;
105<P>
106<A NAME="org.apache.hadoop.mapred"><!-- --></A>
107<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
108<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
109<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
110Uses of <A HREF="../../../../../org/apache/hadoop/net/Node.html" title="interface in org.apache.hadoop.net">Node</A> in <A HREF="../../../../../org/apache/hadoop/mapred/package-summary.html">org.apache.hadoop.mapred</A></FONT></TH>
111</TR>
112</TABLE>
113&nbsp;
114<P>
115
116<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
117<TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor">
118<TH ALIGN="left" COLSPAN="2">Methods in <A HREF="../../../../../org/apache/hadoop/mapred/package-summary.html">org.apache.hadoop.mapred</A> that return <A HREF="../../../../../org/apache/hadoop/net/Node.html" title="interface in org.apache.hadoop.net">Node</A></FONT></TH>
119</TR>
120<TR BGCOLOR="white" CLASS="TableRowColor">
121<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
122<CODE>&nbsp;<A HREF="../../../../../org/apache/hadoop/net/Node.html" title="interface in org.apache.hadoop.net">Node</A></CODE></FONT></TD>
123<TD><CODE><B>JobTracker.</B><B><A HREF="../../../../../org/apache/hadoop/mapred/JobTracker.html#getNode(java.lang.String)">getNode</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>&nbsp;name)</CODE>
124
125<BR>
126&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Return the Node in the network topology that corresponds to the hostname</TD>
127</TR>
128<TR BGCOLOR="white" CLASS="TableRowColor">
129<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
130<CODE>static&nbsp;<A HREF="../../../../../org/apache/hadoop/net/Node.html" title="interface in org.apache.hadoop.net">Node</A></CODE></FONT></TD>
131<TD><CODE><B>JobTracker.</B><B><A HREF="../../../../../org/apache/hadoop/mapred/JobTracker.html#getParentNode(org.apache.hadoop.net.Node, int)">getParentNode</A></B>(<A HREF="../../../../../org/apache/hadoop/net/Node.html" title="interface in org.apache.hadoop.net">Node</A>&nbsp;node,
132              int&nbsp;level)</CODE>
133
134<BR>
135&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
136</TR>
137<TR BGCOLOR="white" CLASS="TableRowColor">
138<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
139<CODE>&nbsp;<A HREF="../../../../../org/apache/hadoop/net/Node.html" title="interface in org.apache.hadoop.net">Node</A></CODE></FONT></TD>
140<TD><CODE><B>JobTracker.</B><B><A HREF="../../../../../org/apache/hadoop/mapred/JobTracker.html#resolveAndAddToTopology(java.lang.String)">resolveAndAddToTopology</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>&nbsp;name)</CODE>
141
142<BR>
143&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
144</TR>
145</TABLE>
146&nbsp;
147<P>
148
149<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
150<TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor">
151<TH ALIGN="left" COLSPAN="2">Methods in <A HREF="../../../../../org/apache/hadoop/mapred/package-summary.html">org.apache.hadoop.mapred</A> that return types with arguments of type <A HREF="../../../../../org/apache/hadoop/net/Node.html" title="interface in org.apache.hadoop.net">Node</A></FONT></TH>
152</TR>
153<TR BGCOLOR="white" CLASS="TableRowColor">
154<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
155<CODE>&nbsp;<A HREF="http://java.sun.com/javase/6/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</A>&lt;<A HREF="../../../../../org/apache/hadoop/net/Node.html" title="interface in org.apache.hadoop.net">Node</A>&gt;</CODE></FONT></TD>
156<TD><CODE><B>JobTracker.</B><B><A HREF="../../../../../org/apache/hadoop/mapred/JobTracker.html#getNodesAtMaxLevel()">getNodesAtMaxLevel</A></B>()</CODE>
157
158<BR>
159&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns a collection of nodes at the max level</TD>
160</TR>
161</TABLE>
162&nbsp;
163<P>
164
165<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
166<TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor">
167<TH ALIGN="left" COLSPAN="2">Methods in <A HREF="../../../../../org/apache/hadoop/mapred/package-summary.html">org.apache.hadoop.mapred</A> with parameters of type <A HREF="../../../../../org/apache/hadoop/net/Node.html" title="interface in org.apache.hadoop.net">Node</A></FONT></TH>
168</TR>
169<TR BGCOLOR="white" CLASS="TableRowColor">
170<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
171<CODE>static&nbsp;<A HREF="../../../../../org/apache/hadoop/net/Node.html" title="interface in org.apache.hadoop.net">Node</A></CODE></FONT></TD>
172<TD><CODE><B>JobTracker.</B><B><A HREF="../../../../../org/apache/hadoop/mapred/JobTracker.html#getParentNode(org.apache.hadoop.net.Node, int)">getParentNode</A></B>(<A HREF="../../../../../org/apache/hadoop/net/Node.html" title="interface in org.apache.hadoop.net">Node</A>&nbsp;node,
173              int&nbsp;level)</CODE>
174
175<BR>
176&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
177</TR>
178</TABLE>
179&nbsp;
180<P>
181<A NAME="org.apache.hadoop.net"><!-- --></A>
182<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
183<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
184<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
185Uses of <A HREF="../../../../../org/apache/hadoop/net/Node.html" title="interface in org.apache.hadoop.net">Node</A> in <A HREF="../../../../../org/apache/hadoop/net/package-summary.html">org.apache.hadoop.net</A></FONT></TH>
186</TR>
187</TABLE>
188&nbsp;
189<P>
190
191<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
192<TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor">
193<TH ALIGN="left" COLSPAN="2">Classes in <A HREF="../../../../../org/apache/hadoop/net/package-summary.html">org.apache.hadoop.net</A> that implement <A HREF="../../../../../org/apache/hadoop/net/Node.html" title="interface in org.apache.hadoop.net">Node</A></FONT></TH>
194</TR>
195<TR BGCOLOR="white" CLASS="TableRowColor">
196<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
197<CODE>&nbsp;class</CODE></FONT></TD>
198<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/net/NodeBase.html" title="class in org.apache.hadoop.net">NodeBase</A></B></CODE>
199
200<BR>
201&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;A base class that implements interface Node</TD>
202</TR>
203</TABLE>
204&nbsp;
205<P>
206
207<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
208<TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor">
209<TH ALIGN="left" COLSPAN="2">Fields in <A HREF="../../../../../org/apache/hadoop/net/package-summary.html">org.apache.hadoop.net</A> declared as <A HREF="../../../../../org/apache/hadoop/net/Node.html" title="interface in org.apache.hadoop.net">Node</A></FONT></TH>
210</TR>
211<TR BGCOLOR="white" CLASS="TableRowColor">
212<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
213<CODE>protected &nbsp;<A HREF="../../../../../org/apache/hadoop/net/Node.html" title="interface in org.apache.hadoop.net">Node</A></CODE></FONT></TD>
214<TD><CODE><B>NodeBase.</B><B><A HREF="../../../../../org/apache/hadoop/net/NodeBase.html#parent">parent</A></B></CODE>
215
216<BR>
217&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
218</TR>
219</TABLE>
220&nbsp;
221<P>
222
223<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
224<TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor">
225<TH ALIGN="left" COLSPAN="2">Methods in <A HREF="../../../../../org/apache/hadoop/net/package-summary.html">org.apache.hadoop.net</A> that return <A HREF="../../../../../org/apache/hadoop/net/Node.html" title="interface in org.apache.hadoop.net">Node</A></FONT></TH>
226</TR>
227<TR BGCOLOR="white" CLASS="TableRowColor">
228<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
229<CODE>&nbsp;<A HREF="../../../../../org/apache/hadoop/net/Node.html" title="interface in org.apache.hadoop.net">Node</A></CODE></FONT></TD>
230<TD><CODE><B>NetworkTopology.</B><B><A HREF="../../../../../org/apache/hadoop/net/NetworkTopology.html#chooseRandom(java.lang.String)">chooseRandom</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>&nbsp;scope)</CODE>
231
232<BR>
233&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;randomly choose one node from <i>scope</i>
234 if scope starts with ~, choose one from the all nodes except for the
235 ones in <i>scope</i>; otherwise, choose one from <i>scope</i></TD>
236</TR>
237<TR BGCOLOR="white" CLASS="TableRowColor">
238<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
239<CODE>&nbsp;<A HREF="../../../../../org/apache/hadoop/net/Node.html" title="interface in org.apache.hadoop.net">Node</A></CODE></FONT></TD>
240<TD><CODE><B>NetworkTopology.</B><B><A HREF="../../../../../org/apache/hadoop/net/NetworkTopology.html#getNode(java.lang.String)">getNode</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>&nbsp;loc)</CODE>
241
242<BR>
243&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Given a string representation of a node, return its reference</TD>
244</TR>
245<TR BGCOLOR="white" CLASS="TableRowColor">
246<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
247<CODE>&nbsp;<A HREF="../../../../../org/apache/hadoop/net/Node.html" title="interface in org.apache.hadoop.net">Node</A></CODE></FONT></TD>
248<TD><CODE><B>Node.</B><B><A HREF="../../../../../org/apache/hadoop/net/Node.html#getParent()">getParent</A></B>()</CODE>
249
250<BR>
251&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Return this node's parent</TD>
252</TR>
253<TR BGCOLOR="white" CLASS="TableRowColor">
254<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
255<CODE>&nbsp;<A HREF="../../../../../org/apache/hadoop/net/Node.html" title="interface in org.apache.hadoop.net">Node</A></CODE></FONT></TD>
256<TD><CODE><B>NodeBase.</B><B><A HREF="../../../../../org/apache/hadoop/net/NodeBase.html#getParent()">getParent</A></B>()</CODE>
257
258<BR>
259&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Return this node's parent</TD>
260</TR>
261</TABLE>
262&nbsp;
263<P>
264
265<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
266<TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor">
267<TH ALIGN="left" COLSPAN="2">Methods in <A HREF="../../../../../org/apache/hadoop/net/package-summary.html">org.apache.hadoop.net</A> with parameters of type <A HREF="../../../../../org/apache/hadoop/net/Node.html" title="interface in org.apache.hadoop.net">Node</A></FONT></TH>
268</TR>
269<TR BGCOLOR="white" CLASS="TableRowColor">
270<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
271<CODE>&nbsp;void</CODE></FONT></TD>
272<TD><CODE><B>NetworkTopology.</B><B><A HREF="../../../../../org/apache/hadoop/net/NetworkTopology.html#add(org.apache.hadoop.net.Node)">add</A></B>(<A HREF="../../../../../org/apache/hadoop/net/Node.html" title="interface in org.apache.hadoop.net">Node</A>&nbsp;node)</CODE>
273
274<BR>
275&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Add a leaf node
276 Update node counter & rack counter if neccessary</TD>
277</TR>
278<TR BGCOLOR="white" CLASS="TableRowColor">
279<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
280<CODE>&nbsp;boolean</CODE></FONT></TD>
281<TD><CODE><B>NetworkTopology.</B><B><A HREF="../../../../../org/apache/hadoop/net/NetworkTopology.html#contains(org.apache.hadoop.net.Node)">contains</A></B>(<A HREF="../../../../../org/apache/hadoop/net/Node.html" title="interface in org.apache.hadoop.net">Node</A>&nbsp;node)</CODE>
282
283<BR>
284&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Check if the tree contains node <i>node</i></TD>
285</TR>
286<TR BGCOLOR="white" CLASS="TableRowColor">
287<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
288<CODE>&nbsp;int</CODE></FONT></TD>
289<TD><CODE><B>NetworkTopology.</B><B><A HREF="../../../../../org/apache/hadoop/net/NetworkTopology.html#getDistance(org.apache.hadoop.net.Node, org.apache.hadoop.net.Node)">getDistance</A></B>(<A HREF="../../../../../org/apache/hadoop/net/Node.html" title="interface in org.apache.hadoop.net">Node</A>&nbsp;node1,
290            <A HREF="../../../../../org/apache/hadoop/net/Node.html" title="interface in org.apache.hadoop.net">Node</A>&nbsp;node2)</CODE>
291
292<BR>
293&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Return the distance between two nodes
294 It is assumed that the distance from one node to its parent is 1
295 The distance between two nodes is calculated by summing up their distances
296 to their closest common  ancestor.</TD>
297</TR>
298<TR BGCOLOR="white" CLASS="TableRowColor">
299<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
300<CODE>static&nbsp;<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A></CODE></FONT></TD>
301<TD><CODE><B>NodeBase.</B><B><A HREF="../../../../../org/apache/hadoop/net/NodeBase.html#getPath(org.apache.hadoop.net.Node)">getPath</A></B>(<A HREF="../../../../../org/apache/hadoop/net/Node.html" title="interface in org.apache.hadoop.net">Node</A>&nbsp;node)</CODE>
302
303<BR>
304&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Return this node's path</TD>
305</TR>
306<TR BGCOLOR="white" CLASS="TableRowColor">
307<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
308<CODE>&nbsp;boolean</CODE></FONT></TD>
309<TD><CODE><B>NetworkTopology.</B><B><A HREF="../../../../../org/apache/hadoop/net/NetworkTopology.html#isOnSameRack(org.apache.hadoop.net.Node, org.apache.hadoop.net.Node)">isOnSameRack</A></B>(<A HREF="../../../../../org/apache/hadoop/net/Node.html" title="interface in org.apache.hadoop.net">Node</A>&nbsp;node1,
310             <A HREF="../../../../../org/apache/hadoop/net/Node.html" title="interface in org.apache.hadoop.net">Node</A>&nbsp;node2)</CODE>
311
312<BR>
313&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Check if two nodes are on the same rack</TD>
314</TR>
315<TR BGCOLOR="white" CLASS="TableRowColor">
316<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
317<CODE>&nbsp;void</CODE></FONT></TD>
318<TD><CODE><B>NetworkTopology.</B><B><A HREF="../../../../../org/apache/hadoop/net/NetworkTopology.html#pseudoSortByDistance(org.apache.hadoop.net.Node, org.apache.hadoop.net.Node[])">pseudoSortByDistance</A></B>(<A HREF="../../../../../org/apache/hadoop/net/Node.html" title="interface in org.apache.hadoop.net">Node</A>&nbsp;reader,
319                     <A HREF="../../../../../org/apache/hadoop/net/Node.html" title="interface in org.apache.hadoop.net">Node</A>[]&nbsp;nodes)</CODE>
320
321<BR>
322&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Sort nodes array by their distances to <i>reader</i>
323 It linearly scans the array, if a local node is found, swap it with
324 the first element of the array.</TD>
325</TR>
326<TR BGCOLOR="white" CLASS="TableRowColor">
327<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
328<CODE>&nbsp;void</CODE></FONT></TD>
329<TD><CODE><B>NetworkTopology.</B><B><A HREF="../../../../../org/apache/hadoop/net/NetworkTopology.html#pseudoSortByDistance(org.apache.hadoop.net.Node, org.apache.hadoop.net.Node[])">pseudoSortByDistance</A></B>(<A HREF="../../../../../org/apache/hadoop/net/Node.html" title="interface in org.apache.hadoop.net">Node</A>&nbsp;reader,
330                     <A HREF="../../../../../org/apache/hadoop/net/Node.html" title="interface in org.apache.hadoop.net">Node</A>[]&nbsp;nodes)</CODE>
331
332<BR>
333&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Sort nodes array by their distances to <i>reader</i>
334 It linearly scans the array, if a local node is found, swap it with
335 the first element of the array.</TD>
336</TR>
337<TR BGCOLOR="white" CLASS="TableRowColor">
338<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
339<CODE>&nbsp;void</CODE></FONT></TD>
340<TD><CODE><B>NetworkTopology.</B><B><A HREF="../../../../../org/apache/hadoop/net/NetworkTopology.html#remove(org.apache.hadoop.net.Node)">remove</A></B>(<A HREF="../../../../../org/apache/hadoop/net/Node.html" title="interface in org.apache.hadoop.net">Node</A>&nbsp;node)</CODE>
341
342<BR>
343&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Remove a node
344 Update node counter & rack counter if neccessary</TD>
345</TR>
346<TR BGCOLOR="white" CLASS="TableRowColor">
347<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
348<CODE>&nbsp;void</CODE></FONT></TD>
349<TD><CODE><B>Node.</B><B><A HREF="../../../../../org/apache/hadoop/net/Node.html#setParent(org.apache.hadoop.net.Node)">setParent</A></B>(<A HREF="../../../../../org/apache/hadoop/net/Node.html" title="interface in org.apache.hadoop.net">Node</A>&nbsp;parent)</CODE>
350
351<BR>
352&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Set this node's parent</TD>
353</TR>
354<TR BGCOLOR="white" CLASS="TableRowColor">
355<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
356<CODE>&nbsp;void</CODE></FONT></TD>
357<TD><CODE><B>NodeBase.</B><B><A HREF="../../../../../org/apache/hadoop/net/NodeBase.html#setParent(org.apache.hadoop.net.Node)">setParent</A></B>(<A HREF="../../../../../org/apache/hadoop/net/Node.html" title="interface in org.apache.hadoop.net">Node</A>&nbsp;parent)</CODE>
358
359<BR>
360&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Set this node's parent</TD>
361</TR>
362</TABLE>
363&nbsp;
364<P>
365
366<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
367<TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor">
368<TH ALIGN="left" COLSPAN="2">Method parameters in <A HREF="../../../../../org/apache/hadoop/net/package-summary.html">org.apache.hadoop.net</A> with type arguments of type <A HREF="../../../../../org/apache/hadoop/net/Node.html" title="interface in org.apache.hadoop.net">Node</A></FONT></TH>
369</TR>
370<TR BGCOLOR="white" CLASS="TableRowColor">
371<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
372<CODE>&nbsp;int</CODE></FONT></TD>
373<TD><CODE><B>NetworkTopology.</B><B><A HREF="../../../../../org/apache/hadoop/net/NetworkTopology.html#countNumOfAvailableNodes(java.lang.String, java.util.List)">countNumOfAvailableNodes</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>&nbsp;scope,
374                         <A HREF="http://java.sun.com/javase/6/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</A>&lt;<A HREF="../../../../../org/apache/hadoop/net/Node.html" title="interface in org.apache.hadoop.net">Node</A>&gt;&nbsp;excludedNodes)</CODE>
375
376<BR>
377&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;return the number of leaves in <i>scope</i> but not in <i>excludedNodes</i>
378 if scope starts with ~, return the number of nodes that are not
379 in <i>scope</i> and <i>excludedNodes</i>;</TD>
380</TR>
381</TABLE>
382&nbsp;
383<P>
384
385<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
386<TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor">
387<TH ALIGN="left" COLSPAN="2">Constructors in <A HREF="../../../../../org/apache/hadoop/net/package-summary.html">org.apache.hadoop.net</A> with parameters of type <A HREF="../../../../../org/apache/hadoop/net/Node.html" title="interface in org.apache.hadoop.net">Node</A></FONT></TH>
388</TR>
389<TR BGCOLOR="white" CLASS="TableRowColor">
390<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/net/NodeBase.html#NodeBase(java.lang.String, java.lang.String, org.apache.hadoop.net.Node, int)">NodeBase</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>&nbsp;name,
391         <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>&nbsp;location,
392         <A HREF="../../../../../org/apache/hadoop/net/Node.html" title="interface in org.apache.hadoop.net">Node</A>&nbsp;parent,
393         int&nbsp;level)</CODE>
394
395<BR>
396&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Construct a node from its name and its location</TD>
397</TR>
398</TABLE>
399&nbsp;
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