source: proiecte/HadoopJUnit/hadoop-0.20.1/docs/api/org/apache/hadoop/fs/shell/Count.html @ 120

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7Count (Hadoop 0.20.1 API)
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90<FONT SIZE="-1">
91org.apache.hadoop.fs.shell</FONT>
92<BR>
93Class Count</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 "><A HREF="../../../../../org/apache/hadoop/fs/shell/Command.html" title="class in org.apache.hadoop.fs.shell">org.apache.hadoop.fs.shell.Command</A>
98          <IMG SRC="../../../../../resources/inherit.gif" ALT="extended by "><B>org.apache.hadoop.fs.shell.Count</B>
99</PRE>
100<DL>
101<DT><B>All Implemented Interfaces:</B> <DD><A HREF="../../../../../org/apache/hadoop/conf/Configurable.html" title="interface in org.apache.hadoop.conf">Configurable</A></DD>
102</DL>
103<HR>
104<DL>
105<DT><PRE>public class <B>Count</B><DT>extends <A HREF="../../../../../org/apache/hadoop/fs/shell/Command.html" title="class in org.apache.hadoop.fs.shell">Command</A></DL>
106</PRE>
107
108<P>
109Count the number of directories, files, bytes, quota, and remaining quota.
110<P>
111
112<P>
113<HR>
114
115<P>
116<!-- =========== FIELD SUMMARY =========== -->
117
118<A NAME="field_summary"><!-- --></A>
119<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
120<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
121<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
122<B>Field Summary</B></FONT></TH>
123</TR>
124<TR BGCOLOR="white" CLASS="TableRowColor">
125<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
126<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>
127<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/fs/shell/Count.html#DESCRIPTION">DESCRIPTION</A></B></CODE>
128
129<BR>
130&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
131</TR>
132<TR BGCOLOR="white" CLASS="TableRowColor">
133<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
134<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>
135<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/fs/shell/Count.html#NAME">NAME</A></B></CODE>
136
137<BR>
138&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
139</TR>
140<TR BGCOLOR="white" CLASS="TableRowColor">
141<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
142<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>
143<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/fs/shell/Count.html#USAGE">USAGE</A></B></CODE>
144
145<BR>
146&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
147</TR>
148</TABLE>
149&nbsp;<A NAME="fields_inherited_from_class_org.apache.hadoop.fs.shell.Command"><!-- --></A>
150<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
151<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
152<TH ALIGN="left"><B>Fields inherited from class org.apache.hadoop.fs.shell.<A HREF="../../../../../org/apache/hadoop/fs/shell/Command.html" title="class in org.apache.hadoop.fs.shell">Command</A></B></TH>
153</TR>
154<TR BGCOLOR="white" CLASS="TableRowColor">
155<TD><CODE><A HREF="../../../../../org/apache/hadoop/fs/shell/Command.html#args">args</A></CODE></TD>
156</TR>
157</TABLE>
158&nbsp;
159<!-- ======== CONSTRUCTOR SUMMARY ======== -->
160
161<A NAME="constructor_summary"><!-- --></A>
162<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
163<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
164<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
165<B>Constructor Summary</B></FONT></TH>
166</TR>
167<TR BGCOLOR="white" CLASS="TableRowColor">
168<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/fs/shell/Count.html#Count(java.lang.String[], int, org.apache.hadoop.conf.Configuration)">Count</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;cmd,
169      int&nbsp;pos,
170      <A HREF="../../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</A>&nbsp;conf)</CODE>
171
172<BR>
173&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Constructor</TD>
174</TR>
175</TABLE>
176&nbsp;
177<!-- ========== METHOD SUMMARY =========== -->
178
179<A NAME="method_summary"><!-- --></A>
180<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
181<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
182<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
183<B>Method Summary</B></FONT></TH>
184</TR>
185<TR BGCOLOR="white" CLASS="TableRowColor">
186<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
187<CODE>&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>
188<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/fs/shell/Count.html#getCommandName()">getCommandName</A></B>()</CODE>
189
190<BR>
191&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Return the command's name excluding the leading character -</TD>
192</TR>
193<TR BGCOLOR="white" CLASS="TableRowColor">
194<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
195<CODE>static&nbsp;boolean</CODE></FONT></TD>
196<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/fs/shell/Count.html#matches(java.lang.String)">matches</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;cmd)</CODE>
197
198<BR>
199&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Check if a command is the count command</TD>
200</TR>
201<TR BGCOLOR="white" CLASS="TableRowColor">
202<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
203<CODE>protected &nbsp;void</CODE></FONT></TD>
204<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/fs/shell/Count.html#run(org.apache.hadoop.fs.Path)">run</A></B>(<A HREF="../../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</A>&nbsp;path)</CODE>
205
206<BR>
207&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Execute the command on the input path</TD>
208</TR>
209</TABLE>
210&nbsp;<A NAME="methods_inherited_from_class_org.apache.hadoop.fs.shell.Command"><!-- --></A>
211<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
212<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
213<TH ALIGN="left"><B>Methods inherited from class org.apache.hadoop.fs.shell.<A HREF="../../../../../org/apache/hadoop/fs/shell/Command.html" title="class in org.apache.hadoop.fs.shell">Command</A></B></TH>
214</TR>
215<TR BGCOLOR="white" CLASS="TableRowColor">
216<TD><CODE><A HREF="../../../../../org/apache/hadoop/fs/shell/Command.html#runAll()">runAll</A></CODE></TD>
217</TR>
218</TABLE>
219&nbsp;<A NAME="methods_inherited_from_class_org.apache.hadoop.conf.Configured"><!-- --></A>
220<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
221<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
222<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>
223</TR>
224<TR BGCOLOR="white" CLASS="TableRowColor">
225<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>
226</TR>
227</TABLE>
228&nbsp;<A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A>
229<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
230<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
231<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>
232</TR>
233<TR BGCOLOR="white" CLASS="TableRowColor">
234<TD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#clone()" title="class or interface in java.lang">clone</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#equals(java.lang.Object)" title="class or interface in java.lang">equals</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#finalize()" title="class or interface in java.lang">finalize</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#getClass()" title="class or interface in java.lang">getClass</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#hashCode()" title="class or interface in java.lang">hashCode</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#notify()" title="class or interface in java.lang">notify</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#notifyAll()" title="class or interface in java.lang">notifyAll</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#toString()" title="class or interface in java.lang">toString</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#wait()" title="class or interface in java.lang">wait</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#wait(long)" title="class or interface in java.lang">wait</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#wait(long, int)" title="class or interface in java.lang">wait</A></CODE></TD>
235</TR>
236</TABLE>
237&nbsp;
238<P>
239
240<!-- ============ FIELD DETAIL =========== -->
241
242<A NAME="field_detail"><!-- --></A>
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245<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">
246<B>Field Detail</B></FONT></TH>
247</TR>
248</TABLE>
249
250<A NAME="NAME"><!-- --></A><H3>
251NAME</H3>
252<PRE>
253public static final <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> <B>NAME</B></PRE>
254<DL>
255<DL>
256<DT><B>See Also:</B><DD><A HREF="../../../../../constant-values.html#org.apache.hadoop.fs.shell.Count.NAME">Constant Field Values</A></DL>
257</DL>
258<HR>
259
260<A NAME="USAGE"><!-- --></A><H3>
261USAGE</H3>
262<PRE>
263public static final <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> <B>USAGE</B></PRE>
264<DL>
265<DL>
266<DT><B>See Also:</B><DD><A HREF="../../../../../constant-values.html#org.apache.hadoop.fs.shell.Count.USAGE">Constant Field Values</A></DL>
267</DL>
268<HR>
269
270<A NAME="DESCRIPTION"><!-- --></A><H3>
271DESCRIPTION</H3>
272<PRE>
273public static final <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> <B>DESCRIPTION</B></PRE>
274<DL>
275<DL>
276</DL>
277</DL>
278
279<!-- ========= CONSTRUCTOR DETAIL ======== -->
280
281<A NAME="constructor_detail"><!-- --></A>
282<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
283<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
284<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">
285<B>Constructor Detail</B></FONT></TH>
286</TR>
287</TABLE>
288
289<A NAME="Count(java.lang.String[], int, org.apache.hadoop.conf.Configuration)"><!-- --></A><H3>
290Count</H3>
291<PRE>
292public <B>Count</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;cmd,
293             int&nbsp;pos,
294             <A HREF="../../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</A>&nbsp;conf)</PRE>
295<DL>
296<DD>Constructor
297<P>
298<DL>
299<DT><B>Parameters:</B><DD><CODE>cmd</CODE> - the count command<DD><CODE>pos</CODE> - the starting index of the arguments</DL>
300</DL>
301
302<!-- ============ METHOD DETAIL ========== -->
303
304<A NAME="method_detail"><!-- --></A>
305<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
306<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
307<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">
308<B>Method Detail</B></FONT></TH>
309</TR>
310</TABLE>
311
312<A NAME="matches(java.lang.String)"><!-- --></A><H3>
313matches</H3>
314<PRE>
315public static boolean <B>matches</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;cmd)</PRE>
316<DL>
317<DD>Check if a command is the count command
318<P>
319<DD><DL>
320<DT><B>Parameters:</B><DD><CODE>cmd</CODE> - A string representation of a command starting with "-"
321<DT><B>Returns:</B><DD>true if this is a count command; false otherwise</DL>
322</DD>
323</DL>
324<HR>
325
326<A NAME="getCommandName()"><!-- --></A><H3>
327getCommandName</H3>
328<PRE>
329public <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> <B>getCommandName</B>()</PRE>
330<DL>
331<DD><B>Description copied from class: <CODE><A HREF="../../../../../org/apache/hadoop/fs/shell/Command.html#getCommandName()">Command</A></CODE></B></DD>
332<DD>Return the command's name excluding the leading character -
333<P>
334<DD><DL>
335<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../../org/apache/hadoop/fs/shell/Command.html#getCommandName()">getCommandName</A></CODE> in class <CODE><A HREF="../../../../../org/apache/hadoop/fs/shell/Command.html" title="class in org.apache.hadoop.fs.shell">Command</A></CODE></DL>
336</DD>
337<DD><DL>
338</DL>
339</DD>
340</DL>
341<HR>
342
343<A NAME="run(org.apache.hadoop.fs.Path)"><!-- --></A><H3>
344run</H3>
345<PRE>
346protected void <B>run</B>(<A HREF="../../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</A>&nbsp;path)
347            throws <A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></PRE>
348<DL>
349<DD><B>Description copied from class: <CODE><A HREF="../../../../../org/apache/hadoop/fs/shell/Command.html#run(org.apache.hadoop.fs.Path)">Command</A></CODE></B></DD>
350<DD>Execute the command on the input path
351<P>
352<DD><DL>
353<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../../org/apache/hadoop/fs/shell/Command.html#run(org.apache.hadoop.fs.Path)">run</A></CODE> in class <CODE><A HREF="../../../../../org/apache/hadoop/fs/shell/Command.html" title="class in org.apache.hadoop.fs.shell">Command</A></CODE></DL>
354</DD>
355<DD><DL>
356<DT><B>Parameters:</B><DD><CODE>path</CODE> - the input path
357<DT><B>Throws:</B>
358<DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></CODE> - if any error occurs</DL>
359</DD>
360</DL>
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