source: proiecte/HadoopJUnit/hadoop-0.20.1/docs/api/org/apache/hadoop/mapred/tools/MRAdmin.html @ 120

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1<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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5<!-- Generated by javadoc (build 1.6.0_07) on Tue Sep 01 20:56:58 UTC 2009 -->
6<TITLE>
7MRAdmin (Hadoop 0.20.1 API)
8</TITLE>
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91org.apache.hadoop.mapred.tools</FONT>
92<BR>
93Class MRAdmin</H2>
94<PRE>
95<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</A>
96  <IMG SRC="../../../../../resources/inherit.gif" ALT="extended by "><A HREF="../../../../../org/apache/hadoop/conf/Configured.html" title="class in org.apache.hadoop.conf">org.apache.hadoop.conf.Configured</A>
97      <IMG SRC="../../../../../resources/inherit.gif" ALT="extended by "><B>org.apache.hadoop.mapred.tools.MRAdmin</B>
98</PRE>
99<DL>
100<DT><B>All Implemented Interfaces:</B> <DD><A HREF="../../../../../org/apache/hadoop/conf/Configurable.html" title="interface in org.apache.hadoop.conf">Configurable</A>, <A HREF="../../../../../org/apache/hadoop/util/Tool.html" title="interface in org.apache.hadoop.util">Tool</A></DD>
101</DL>
102<HR>
103<DL>
104<DT><PRE>public class <B>MRAdmin</B><DT>extends <A HREF="../../../../../org/apache/hadoop/conf/Configured.html" title="class in org.apache.hadoop.conf">Configured</A><DT>implements <A HREF="../../../../../org/apache/hadoop/util/Tool.html" title="interface in org.apache.hadoop.util">Tool</A></DL>
105</PRE>
106
107<P>
108Administrative access to Hadoop Map-Reduce.
109
110 Currently it only provides the ability to connect to the <A HREF="../../../../../org/apache/hadoop/mapred/JobTracker.html" title="class in org.apache.hadoop.mapred"><CODE>JobTracker</CODE></A>
111 and refresh the service-level authorization policy.
112<P>
113
114<P>
115<HR>
116
117<P>
118
119<!-- ======== CONSTRUCTOR SUMMARY ======== -->
120
121<A NAME="constructor_summary"><!-- --></A>
122<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
123<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
124<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
125<B>Constructor Summary</B></FONT></TH>
126</TR>
127<TR BGCOLOR="white" CLASS="TableRowColor">
128<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/tools/MRAdmin.html#MRAdmin()">MRAdmin</A></B>()</CODE>
129
130<BR>
131&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
132</TR>
133<TR BGCOLOR="white" CLASS="TableRowColor">
134<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/tools/MRAdmin.html#MRAdmin(org.apache.hadoop.conf.Configuration)">MRAdmin</A></B>(<A HREF="../../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</A>&nbsp;conf)</CODE>
135
136<BR>
137&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
138</TR>
139</TABLE>
140&nbsp;
141<!-- ========== METHOD SUMMARY =========== -->
142
143<A NAME="method_summary"><!-- --></A>
144<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
145<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
146<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
147<B>Method Summary</B></FONT></TH>
148</TR>
149<TR BGCOLOR="white" CLASS="TableRowColor">
150<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
151<CODE>static&nbsp;void</CODE></FONT></TD>
152<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/tools/MRAdmin.html#main(java.lang.String[])">main</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;args)</CODE>
153
154<BR>
155&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
156</TR>
157<TR BGCOLOR="white" CLASS="TableRowColor">
158<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
159<CODE>&nbsp;int</CODE></FONT></TD>
160<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/tools/MRAdmin.html#run(java.lang.String[])">run</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;args)</CODE>
161
162<BR>
163&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Execute the command with the given arguments.</TD>
164</TR>
165</TABLE>
166&nbsp;<A NAME="methods_inherited_from_class_org.apache.hadoop.conf.Configured"><!-- --></A>
167<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
168<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
169<TH ALIGN="left"><B>Methods inherited from class org.apache.hadoop.conf.<A HREF="../../../../../org/apache/hadoop/conf/Configured.html" title="class in org.apache.hadoop.conf">Configured</A></B></TH>
170</TR>
171<TR BGCOLOR="white" CLASS="TableRowColor">
172<TD><CODE><A HREF="../../../../../org/apache/hadoop/conf/Configured.html#getConf()">getConf</A>, <A HREF="../../../../../org/apache/hadoop/conf/Configured.html#setConf(org.apache.hadoop.conf.Configuration)">setConf</A></CODE></TD>
173</TR>
174</TABLE>
175&nbsp;<A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A>
176<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
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178<TH ALIGN="left"><B>Methods inherited from class java.lang.<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A></B></TH>
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182</TR>
183</TABLE>
184&nbsp;<A NAME="methods_inherited_from_class_org.apache.hadoop.conf.Configurable"><!-- --></A>
185<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
186<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
187<TH ALIGN="left"><B>Methods inherited from interface org.apache.hadoop.conf.<A HREF="../../../../../org/apache/hadoop/conf/Configurable.html" title="interface in org.apache.hadoop.conf">Configurable</A></B></TH>
188</TR>
189<TR BGCOLOR="white" CLASS="TableRowColor">
190<TD><CODE><A HREF="../../../../../org/apache/hadoop/conf/Configurable.html#getConf()">getConf</A>, <A HREF="../../../../../org/apache/hadoop/conf/Configurable.html#setConf(org.apache.hadoop.conf.Configuration)">setConf</A></CODE></TD>
191</TR>
192</TABLE>
193&nbsp;
194<P>
195
196<!-- ========= CONSTRUCTOR DETAIL ======== -->
197
198<A NAME="constructor_detail"><!-- --></A>
199<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
200<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
201<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">
202<B>Constructor Detail</B></FONT></TH>
203</TR>
204</TABLE>
205
206<A NAME="MRAdmin()"><!-- --></A><H3>
207MRAdmin</H3>
208<PRE>
209public <B>MRAdmin</B>()</PRE>
210<DL>
211</DL>
212<HR>
213
214<A NAME="MRAdmin(org.apache.hadoop.conf.Configuration)"><!-- --></A><H3>
215MRAdmin</H3>
216<PRE>
217public <B>MRAdmin</B>(<A HREF="../../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</A>&nbsp;conf)</PRE>
218<DL>
219</DL>
220
221<!-- ============ METHOD DETAIL ========== -->
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226<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">
227<B>Method Detail</B></FONT></TH>
228</TR>
229</TABLE>
230
231<A NAME="run(java.lang.String[])"><!-- --></A><H3>
232run</H3>
233<PRE>
234public int <B>run</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;args)
235        throws <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</A></PRE>
236<DL>
237<DD><B>Description copied from interface: <CODE><A HREF="../../../../../org/apache/hadoop/util/Tool.html#run(java.lang.String[])">Tool</A></CODE></B></DD>
238<DD>Execute the command with the given arguments.
239<P>
240<DD><DL>
241<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../../org/apache/hadoop/util/Tool.html#run(java.lang.String[])">run</A></CODE> in interface <CODE><A HREF="../../../../../org/apache/hadoop/util/Tool.html" title="interface in org.apache.hadoop.util">Tool</A></CODE></DL>
242</DD>
243<DD><DL>
244<DT><B>Parameters:</B><DD><CODE>args</CODE> - command specific arguments.
245<DT><B>Returns:</B><DD>exit code.
246<DT><B>Throws:</B>
247<DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</A></CODE></DL>
248</DD>
249</DL>
250<HR>
251
252<A NAME="main(java.lang.String[])"><!-- --></A><H3>
253main</H3>
254<PRE>
255public static void <B>main</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;args)
256                 throws <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</A></PRE>
257<DL>
258<DD><DL>
259</DL>
260</DD>
261<DD><DL>
262
263<DT><B>Throws:</B>
264<DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</A></CODE></DL>
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