1 | <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> |
---|
2 | <!--NewPage--> |
---|
3 | <HTML> |
---|
4 | <HEAD> |
---|
5 | <!-- Generated by javadoc (build 1.6.0_07) on Tue Sep 01 20:56:59 UTC 2009 --> |
---|
6 | <TITLE> |
---|
7 | Environment (Hadoop 0.20.1 API) |
---|
8 | </TITLE> |
---|
9 | |
---|
10 | <META NAME="date" CONTENT="2009-09-01"> |
---|
11 | |
---|
12 | <LINK REL ="stylesheet" TYPE="text/css" HREF="../../../../../stylesheet.css" TITLE="Style"> |
---|
13 | |
---|
14 | <SCRIPT type="text/javascript"> |
---|
15 | function windowTitle() |
---|
16 | { |
---|
17 | if (location.href.indexOf('is-external=true') == -1) { |
---|
18 | parent.document.title="Environment (Hadoop 0.20.1 API)"; |
---|
19 | } |
---|
20 | } |
---|
21 | </SCRIPT> |
---|
22 | <NOSCRIPT> |
---|
23 | </NOSCRIPT> |
---|
24 | |
---|
25 | </HEAD> |
---|
26 | |
---|
27 | <BODY BGCOLOR="white" onload="windowTitle();"> |
---|
28 | <HR> |
---|
29 | |
---|
30 | |
---|
31 | <!-- ========= START OF TOP NAVBAR ======= --> |
---|
32 | <A NAME="navbar_top"><!-- --></A> |
---|
33 | <A HREF="#skip-navbar_top" title="Skip navigation links"></A> |
---|
34 | <TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0" SUMMARY=""> |
---|
35 | <TR> |
---|
36 | <TD COLSPAN=2 BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> |
---|
37 | <A NAME="navbar_top_firstrow"><!-- --></A> |
---|
38 | <TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3" SUMMARY=""> |
---|
39 | <TR ALIGN="center" VALIGN="top"> |
---|
40 | <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../../overview-summary.html"><FONT CLASS="NavBarFont1"><B>Overview</B></FONT></A> </TD> |
---|
41 | <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-summary.html"><FONT CLASS="NavBarFont1"><B>Package</B></FONT></A> </TD> |
---|
42 | <TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> <FONT CLASS="NavBarFont1Rev"><B>Class</B></FONT> </TD> |
---|
43 | <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="class-use/Environment.html"><FONT CLASS="NavBarFont1"><B>Use</B></FONT></A> </TD> |
---|
44 | <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-tree.html"><FONT CLASS="NavBarFont1"><B>Tree</B></FONT></A> </TD> |
---|
45 | <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../../deprecated-list.html"><FONT CLASS="NavBarFont1"><B>Deprecated</B></FONT></A> </TD> |
---|
46 | <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../../index-all.html"><FONT CLASS="NavBarFont1"><B>Index</B></FONT></A> </TD> |
---|
47 | <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../../help-doc.html"><FONT CLASS="NavBarFont1"><B>Help</B></FONT></A> </TD> |
---|
48 | </TR> |
---|
49 | </TABLE> |
---|
50 | </TD> |
---|
51 | <TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM> |
---|
52 | </EM> |
---|
53 | </TD> |
---|
54 | </TR> |
---|
55 | |
---|
56 | <TR> |
---|
57 | <TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> |
---|
58 | <A HREF="../../../../../org/apache/hadoop/contrib/failmon/CPUParser.html" title="class in org.apache.hadoop.contrib.failmon"><B>PREV CLASS</B></A> |
---|
59 | <A HREF="../../../../../org/apache/hadoop/contrib/failmon/EventRecord.html" title="class in org.apache.hadoop.contrib.failmon"><B>NEXT CLASS</B></A></FONT></TD> |
---|
60 | <TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> |
---|
61 | <A HREF="../../../../../index.html?org/apache/hadoop/contrib/failmon/Environment.html" target="_top"><B>FRAMES</B></A> |
---|
62 | <A HREF="Environment.html" target="_top"><B>NO FRAMES</B></A> |
---|
63 | <SCRIPT type="text/javascript"> |
---|
64 | <!-- |
---|
65 | if(window==top) { |
---|
66 | document.writeln('<A HREF="../../../../../allclasses-noframe.html"><B>All Classes</B></A>'); |
---|
67 | } |
---|
68 | //--> |
---|
69 | </SCRIPT> |
---|
70 | <NOSCRIPT> |
---|
71 | <A HREF="../../../../../allclasses-noframe.html"><B>All Classes</B></A> |
---|
72 | </NOSCRIPT> |
---|
73 | |
---|
74 | |
---|
75 | </FONT></TD> |
---|
76 | </TR> |
---|
77 | <TR> |
---|
78 | <TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> |
---|
79 | SUMMARY: NESTED | <A HREF="#field_summary">FIELD</A> | <A HREF="#constructor_summary">CONSTR</A> | <A HREF="#method_summary">METHOD</A></FONT></TD> |
---|
80 | <TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> |
---|
81 | DETAIL: <A HREF="#field_detail">FIELD</A> | <A HREF="#constructor_detail">CONSTR</A> | <A HREF="#method_detail">METHOD</A></FONT></TD> |
---|
82 | </TR> |
---|
83 | </TABLE> |
---|
84 | <A NAME="skip-navbar_top"></A> |
---|
85 | <!-- ========= END OF TOP NAVBAR ========= --> |
---|
86 | |
---|
87 | <HR> |
---|
88 | <!-- ======== START OF CLASS DATA ======== --> |
---|
89 | <H2> |
---|
90 | <FONT SIZE="-1"> |
---|
91 | org.apache.hadoop.contrib.failmon</FONT> |
---|
92 | <BR> |
---|
93 | Class Environment</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 "><B>org.apache.hadoop.contrib.failmon.Environment</B> |
---|
97 | </PRE> |
---|
98 | <HR> |
---|
99 | <DL> |
---|
100 | <DT><PRE>public class <B>Environment</B><DT>extends <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></DL> |
---|
101 | </PRE> |
---|
102 | |
---|
103 | <P> |
---|
104 | This class provides various methods for interaction with |
---|
105 | the configuration and the operating system environment. Also |
---|
106 | provides some helper methods for use by other classes in |
---|
107 | the package. |
---|
108 | <P> |
---|
109 | |
---|
110 | <P> |
---|
111 | <HR> |
---|
112 | |
---|
113 | <P> |
---|
114 | <!-- =========== FIELD SUMMARY =========== --> |
---|
115 | |
---|
116 | <A NAME="field_summary"><!-- --></A> |
---|
117 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
---|
118 | <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
---|
119 | <TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"> |
---|
120 | <B>Field Summary</B></FONT></TH> |
---|
121 | </TR> |
---|
122 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
123 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
124 | <CODE>static int</CODE></FONT></TD> |
---|
125 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/contrib/failmon/Environment.html#DEFAULT_LOG_INTERVAL">DEFAULT_LOG_INTERVAL</A></B></CODE> |
---|
126 | |
---|
127 | <BR> |
---|
128 | </TD> |
---|
129 | </TR> |
---|
130 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
131 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
132 | <CODE>static int</CODE></FONT></TD> |
---|
133 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/contrib/failmon/Environment.html#DEFAULT_POLL_INTERVAL">DEFAULT_POLL_INTERVAL</A></B></CODE> |
---|
134 | |
---|
135 | <BR> |
---|
136 | </TD> |
---|
137 | </TR> |
---|
138 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
139 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
140 | <CODE>static org.apache.commons.logging.Log</CODE></FONT></TD> |
---|
141 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/contrib/failmon/Environment.html#LOG">LOG</A></B></CODE> |
---|
142 | |
---|
143 | <BR> |
---|
144 | </TD> |
---|
145 | </TR> |
---|
146 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
147 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
148 | <CODE>static int</CODE></FONT></TD> |
---|
149 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/contrib/failmon/Environment.html#MAX_OUTPUT_LENGTH">MAX_OUTPUT_LENGTH</A></B></CODE> |
---|
150 | |
---|
151 | <BR> |
---|
152 | </TD> |
---|
153 | </TR> |
---|
154 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
155 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
156 | <CODE>static int</CODE></FONT></TD> |
---|
157 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/contrib/failmon/Environment.html#MIN_INTERVAL">MIN_INTERVAL</A></B></CODE> |
---|
158 | |
---|
159 | <BR> |
---|
160 | </TD> |
---|
161 | </TR> |
---|
162 | </TABLE> |
---|
163 | |
---|
164 | <!-- ======== CONSTRUCTOR SUMMARY ======== --> |
---|
165 | |
---|
166 | <A NAME="constructor_summary"><!-- --></A> |
---|
167 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
---|
168 | <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
---|
169 | <TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"> |
---|
170 | <B>Constructor Summary</B></FONT></TH> |
---|
171 | </TR> |
---|
172 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
173 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/contrib/failmon/Environment.html#Environment()">Environment</A></B>()</CODE> |
---|
174 | |
---|
175 | <BR> |
---|
176 | </TD> |
---|
177 | </TR> |
---|
178 | </TABLE> |
---|
179 | |
---|
180 | <!-- ========== METHOD SUMMARY =========== --> |
---|
181 | |
---|
182 | <A NAME="method_summary"><!-- --></A> |
---|
183 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
---|
184 | <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
---|
185 | <TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"> |
---|
186 | <B>Method Summary</B></FONT></TH> |
---|
187 | </TR> |
---|
188 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
189 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
190 | <CODE>static boolean</CODE></FONT></TD> |
---|
191 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/contrib/failmon/Environment.html#checkExistence(java.lang.String)">checkExistence</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> cmd)</CODE> |
---|
192 | |
---|
193 | <BR> |
---|
194 | Checks whether a specific shell command is available |
---|
195 | in the system.</TD> |
---|
196 | </TR> |
---|
197 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
198 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
199 | <CODE>static int</CODE></FONT></TD> |
---|
200 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/contrib/failmon/Environment.html#gcd(int[])">gcd</A></B>(int[] numbers)</CODE> |
---|
201 | |
---|
202 | <BR> |
---|
203 | Determines the greatest common divisor (GCD) of a list |
---|
204 | of integers.</TD> |
---|
205 | </TR> |
---|
206 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
207 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
208 | <CODE>static int</CODE></FONT></TD> |
---|
209 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/contrib/failmon/Environment.html#gcd(int, int)">gcd</A></B>(int m, |
---|
210 | int n)</CODE> |
---|
211 | |
---|
212 | <BR> |
---|
213 | Determines the greatest common divisor (GCD) of two integers.</TD> |
---|
214 | </TR> |
---|
215 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
216 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
217 | <CODE>static int</CODE></FONT></TD> |
---|
218 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/contrib/failmon/Environment.html#getInterval(java.util.ArrayList)">getInterval</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/util/ArrayList.html?is-external=true" title="class or interface in java.util">ArrayList</A><<A HREF="../../../../../org/apache/hadoop/contrib/failmon/MonitorJob.html" title="class in org.apache.hadoop.contrib.failmon">MonitorJob</A>> monitors)</CODE> |
---|
219 | |
---|
220 | <BR> |
---|
221 | Determines the minimum interval at which the executor thread |
---|
222 | needs to wake upto execute jobs.</TD> |
---|
223 | </TR> |
---|
224 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
225 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
226 | <CODE>static <A HREF="http://java.sun.com/javase/6/docs/api/java/util/ArrayList.html?is-external=true" title="class or interface in java.util">ArrayList</A><<A HREF="../../../../../org/apache/hadoop/contrib/failmon/MonitorJob.html" title="class in org.apache.hadoop.contrib.failmon">MonitorJob</A>></CODE></FONT></TD> |
---|
227 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/contrib/failmon/Environment.html#getJobs()">getJobs</A></B>()</CODE> |
---|
228 | |
---|
229 | <BR> |
---|
230 | Scans the configuration file to determine which monitoring |
---|
231 | utilities are available in the system.</TD> |
---|
232 | </TR> |
---|
233 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
234 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
235 | <CODE>static <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> |
---|
236 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/contrib/failmon/Environment.html#getProperty(java.lang.String)">getProperty</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> key)</CODE> |
---|
237 | |
---|
238 | <BR> |
---|
239 | Fetches the value of a property from the configuration file.</TD> |
---|
240 | </TR> |
---|
241 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
242 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
243 | <CODE>static void</CODE></FONT></TD> |
---|
244 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/contrib/failmon/Environment.html#logInfo(java.lang.String)">logInfo</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> str)</CODE> |
---|
245 | |
---|
246 | <BR> |
---|
247 | </TD> |
---|
248 | </TR> |
---|
249 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
250 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
251 | <CODE>static void</CODE></FONT></TD> |
---|
252 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/contrib/failmon/Environment.html#prepare(java.lang.String)">prepare</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> fname)</CODE> |
---|
253 | |
---|
254 | <BR> |
---|
255 | Initializes structures needed by other methods.</TD> |
---|
256 | </TR> |
---|
257 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
258 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
259 | <CODE>static <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/StringBuffer.html?is-external=true" title="class or interface in java.lang">StringBuffer</A></CODE></FONT></TD> |
---|
260 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/contrib/failmon/Environment.html#runCommand(java.lang.String)">runCommand</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> cmd)</CODE> |
---|
261 | |
---|
262 | <BR> |
---|
263 | Runs a shell command in the system and provides a StringBuffer |
---|
264 | with the output of the command.</TD> |
---|
265 | </TR> |
---|
266 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
267 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
268 | <CODE>static <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/StringBuffer.html?is-external=true" title="class or interface in java.lang">StringBuffer</A></CODE></FONT></TD> |
---|
269 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/contrib/failmon/Environment.html#runCommand(java.lang.String[])">runCommand</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>[] cmd)</CODE> |
---|
270 | |
---|
271 | <BR> |
---|
272 | Runs a shell command in the system and provides a StringBuffer |
---|
273 | with the output of the command.</TD> |
---|
274 | </TR> |
---|
275 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
276 | <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
---|
277 | <CODE>static void</CODE></FONT></TD> |
---|
278 | <TD><CODE><B><A HREF="../../../../../org/apache/hadoop/contrib/failmon/Environment.html#setProperty(java.lang.String, java.lang.String)">setProperty</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> key, |
---|
279 | <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> value)</CODE> |
---|
280 | |
---|
281 | <BR> |
---|
282 | Sets the value of a property inthe configuration file.</TD> |
---|
283 | </TR> |
---|
284 | </TABLE> |
---|
285 | <A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A> |
---|
286 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
---|
287 | <TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"> |
---|
288 | <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> |
---|
289 | </TR> |
---|
290 | <TR BGCOLOR="white" CLASS="TableRowColor"> |
---|
291 | <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> |
---|
292 | </TR> |
---|
293 | </TABLE> |
---|
294 | |
---|
295 | <P> |
---|
296 | |
---|
297 | <!-- ============ FIELD DETAIL =========== --> |
---|
298 | |
---|
299 | <A NAME="field_detail"><!-- --></A> |
---|
300 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
---|
301 | <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
---|
302 | <TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2"> |
---|
303 | <B>Field Detail</B></FONT></TH> |
---|
304 | </TR> |
---|
305 | </TABLE> |
---|
306 | |
---|
307 | <A NAME="DEFAULT_LOG_INTERVAL"><!-- --></A><H3> |
---|
308 | DEFAULT_LOG_INTERVAL</H3> |
---|
309 | <PRE> |
---|
310 | public static final int <B>DEFAULT_LOG_INTERVAL</B></PRE> |
---|
311 | <DL> |
---|
312 | <DL> |
---|
313 | <DT><B>See Also:</B><DD><A HREF="../../../../../constant-values.html#org.apache.hadoop.contrib.failmon.Environment.DEFAULT_LOG_INTERVAL">Constant Field Values</A></DL> |
---|
314 | </DL> |
---|
315 | <HR> |
---|
316 | |
---|
317 | <A NAME="DEFAULT_POLL_INTERVAL"><!-- --></A><H3> |
---|
318 | DEFAULT_POLL_INTERVAL</H3> |
---|
319 | <PRE> |
---|
320 | public static final int <B>DEFAULT_POLL_INTERVAL</B></PRE> |
---|
321 | <DL> |
---|
322 | <DL> |
---|
323 | <DT><B>See Also:</B><DD><A HREF="../../../../../constant-values.html#org.apache.hadoop.contrib.failmon.Environment.DEFAULT_POLL_INTERVAL">Constant Field Values</A></DL> |
---|
324 | </DL> |
---|
325 | <HR> |
---|
326 | |
---|
327 | <A NAME="MIN_INTERVAL"><!-- --></A><H3> |
---|
328 | MIN_INTERVAL</H3> |
---|
329 | <PRE> |
---|
330 | public static int <B>MIN_INTERVAL</B></PRE> |
---|
331 | <DL> |
---|
332 | <DL> |
---|
333 | </DL> |
---|
334 | </DL> |
---|
335 | <HR> |
---|
336 | |
---|
337 | <A NAME="MAX_OUTPUT_LENGTH"><!-- --></A><H3> |
---|
338 | MAX_OUTPUT_LENGTH</H3> |
---|
339 | <PRE> |
---|
340 | public static final int <B>MAX_OUTPUT_LENGTH</B></PRE> |
---|
341 | <DL> |
---|
342 | <DL> |
---|
343 | <DT><B>See Also:</B><DD><A HREF="../../../../../constant-values.html#org.apache.hadoop.contrib.failmon.Environment.MAX_OUTPUT_LENGTH">Constant Field Values</A></DL> |
---|
344 | </DL> |
---|
345 | <HR> |
---|
346 | |
---|
347 | <A NAME="LOG"><!-- --></A><H3> |
---|
348 | LOG</H3> |
---|
349 | <PRE> |
---|
350 | public static org.apache.commons.logging.Log <B>LOG</B></PRE> |
---|
351 | <DL> |
---|
352 | <DL> |
---|
353 | </DL> |
---|
354 | </DL> |
---|
355 | |
---|
356 | <!-- ========= CONSTRUCTOR DETAIL ======== --> |
---|
357 | |
---|
358 | <A NAME="constructor_detail"><!-- --></A> |
---|
359 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
---|
360 | <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
---|
361 | <TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2"> |
---|
362 | <B>Constructor Detail</B></FONT></TH> |
---|
363 | </TR> |
---|
364 | </TABLE> |
---|
365 | |
---|
366 | <A NAME="Environment()"><!-- --></A><H3> |
---|
367 | Environment</H3> |
---|
368 | <PRE> |
---|
369 | public <B>Environment</B>()</PRE> |
---|
370 | <DL> |
---|
371 | </DL> |
---|
372 | |
---|
373 | <!-- ============ METHOD DETAIL ========== --> |
---|
374 | |
---|
375 | <A NAME="method_detail"><!-- --></A> |
---|
376 | <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
---|
377 | <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
---|
378 | <TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2"> |
---|
379 | <B>Method Detail</B></FONT></TH> |
---|
380 | </TR> |
---|
381 | </TABLE> |
---|
382 | |
---|
383 | <A NAME="prepare(java.lang.String)"><!-- --></A><H3> |
---|
384 | prepare</H3> |
---|
385 | <PRE> |
---|
386 | public static void <B>prepare</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> fname)</PRE> |
---|
387 | <DL> |
---|
388 | <DD>Initializes structures needed by other methods. Also determines |
---|
389 | whether the executing user has superuser privileges. |
---|
390 | <P> |
---|
391 | <DD><DL> |
---|
392 | </DL> |
---|
393 | </DD> |
---|
394 | </DL> |
---|
395 | <HR> |
---|
396 | |
---|
397 | <A NAME="getProperty(java.lang.String)"><!-- --></A><H3> |
---|
398 | getProperty</H3> |
---|
399 | <PRE> |
---|
400 | public static <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>getProperty</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> key)</PRE> |
---|
401 | <DL> |
---|
402 | <DD>Fetches the value of a property from the configuration file. |
---|
403 | <P> |
---|
404 | <DD><DL> |
---|
405 | <DT><B>Parameters:</B><DD><CODE>key</CODE> - the name of the property |
---|
406 | <DT><B>Returns:</B><DD>the value of the property, if it exists and |
---|
407 | null otherwise</DL> |
---|
408 | </DD> |
---|
409 | </DL> |
---|
410 | <HR> |
---|
411 | |
---|
412 | <A NAME="setProperty(java.lang.String, java.lang.String)"><!-- --></A><H3> |
---|
413 | setProperty</H3> |
---|
414 | <PRE> |
---|
415 | public static void <B>setProperty</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> key, |
---|
416 | <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> value)</PRE> |
---|
417 | <DL> |
---|
418 | <DD>Sets the value of a property inthe configuration file. |
---|
419 | <P> |
---|
420 | <DD><DL> |
---|
421 | <DT><B>Parameters:</B><DD><CODE>key</CODE> - the name of the property<DD><CODE>value</CODE> - the new value for the property</DL> |
---|
422 | </DD> |
---|
423 | </DL> |
---|
424 | <HR> |
---|
425 | |
---|
426 | <A NAME="getJobs()"><!-- --></A><H3> |
---|
427 | getJobs</H3> |
---|
428 | <PRE> |
---|
429 | public static <A HREF="http://java.sun.com/javase/6/docs/api/java/util/ArrayList.html?is-external=true" title="class or interface in java.util">ArrayList</A><<A HREF="../../../../../org/apache/hadoop/contrib/failmon/MonitorJob.html" title="class in org.apache.hadoop.contrib.failmon">MonitorJob</A>> <B>getJobs</B>()</PRE> |
---|
430 | <DL> |
---|
431 | <DD>Scans the configuration file to determine which monitoring |
---|
432 | utilities are available in the system. For each one of them, a |
---|
433 | job is created. All such jobs are scheduled and executed by |
---|
434 | Executor. |
---|
435 | <P> |
---|
436 | <DD><DL> |
---|
437 | |
---|
438 | <DT><B>Returns:</B><DD>an ArrayList that contains jobs to be executed by theExecutor.</DL> |
---|
439 | </DD> |
---|
440 | </DL> |
---|
441 | <HR> |
---|
442 | |
---|
443 | <A NAME="getInterval(java.util.ArrayList)"><!-- --></A><H3> |
---|
444 | getInterval</H3> |
---|
445 | <PRE> |
---|
446 | public static int <B>getInterval</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/util/ArrayList.html?is-external=true" title="class or interface in java.util">ArrayList</A><<A HREF="../../../../../org/apache/hadoop/contrib/failmon/MonitorJob.html" title="class in org.apache.hadoop.contrib.failmon">MonitorJob</A>> monitors)</PRE> |
---|
447 | <DL> |
---|
448 | <DD>Determines the minimum interval at which the executor thread |
---|
449 | needs to wake upto execute jobs. Essentially, this is interval |
---|
450 | equals the GCD of intervals of all scheduled jobs. |
---|
451 | <P> |
---|
452 | <DD><DL> |
---|
453 | <DT><B>Parameters:</B><DD><CODE>monitors</CODE> - the list of scheduled jobs |
---|
454 | <DT><B>Returns:</B><DD>the minimum interval between two scheduled jobs</DL> |
---|
455 | </DD> |
---|
456 | </DL> |
---|
457 | <HR> |
---|
458 | |
---|
459 | <A NAME="checkExistence(java.lang.String)"><!-- --></A><H3> |
---|
460 | checkExistence</H3> |
---|
461 | <PRE> |
---|
462 | public static boolean <B>checkExistence</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> cmd)</PRE> |
---|
463 | <DL> |
---|
464 | <DD>Checks whether a specific shell command is available |
---|
465 | in the system. |
---|
466 | <P> |
---|
467 | <DD><DL> |
---|
468 | <DT><B>Parameters:</B><DD><CODE>cmd</CODE> - the command to check against |
---|
469 | <DT><B>Returns:</B><DD>true, if the command is availble, false otherwise</DL> |
---|
470 | </DD> |
---|
471 | </DL> |
---|
472 | <HR> |
---|
473 | |
---|
474 | <A NAME="runCommand(java.lang.String[])"><!-- --></A><H3> |
---|
475 | runCommand</H3> |
---|
476 | <PRE> |
---|
477 | public static <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/StringBuffer.html?is-external=true" title="class or interface in java.lang">StringBuffer</A> <B>runCommand</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>[] cmd)</PRE> |
---|
478 | <DL> |
---|
479 | <DD>Runs a shell command in the system and provides a StringBuffer |
---|
480 | with the output of the command. |
---|
481 | <P> |
---|
482 | <DD><DL> |
---|
483 | <DT><B>Parameters:</B><DD><CODE>cmd</CODE> - an array of string that form the command to run |
---|
484 | <DT><B>Returns:</B><DD>a StringBuffer that contains the output of the command</DL> |
---|
485 | </DD> |
---|
486 | </DL> |
---|
487 | <HR> |
---|
488 | |
---|
489 | <A NAME="runCommand(java.lang.String)"><!-- --></A><H3> |
---|
490 | runCommand</H3> |
---|
491 | <PRE> |
---|
492 | public static <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/StringBuffer.html?is-external=true" title="class or interface in java.lang">StringBuffer</A> <B>runCommand</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> cmd)</PRE> |
---|
493 | <DL> |
---|
494 | <DD>Runs a shell command in the system and provides a StringBuffer |
---|
495 | with the output of the command. |
---|
496 | <P> |
---|
497 | <DD><DL> |
---|
498 | <DT><B>Parameters:</B><DD><CODE>cmd</CODE> - the command to run |
---|
499 | <DT><B>Returns:</B><DD>a StringBuffer that contains the output of the command</DL> |
---|
500 | </DD> |
---|
501 | </DL> |
---|
502 | <HR> |
---|
503 | |
---|
504 | <A NAME="gcd(int, int)"><!-- --></A><H3> |
---|
505 | gcd</H3> |
---|
506 | <PRE> |
---|
507 | public static int <B>gcd</B>(int m, |
---|
508 | int n)</PRE> |
---|
509 | <DL> |
---|
510 | <DD>Determines the greatest common divisor (GCD) of two integers. |
---|
511 | <P> |
---|
512 | <DD><DL> |
---|
513 | <DT><B>Parameters:</B><DD><CODE>m</CODE> - the first integer<DD><CODE>n</CODE> - the second integer |
---|
514 | <DT><B>Returns:</B><DD>the greatest common divisor of m and n</DL> |
---|
515 | </DD> |
---|
516 | </DL> |
---|
517 | <HR> |
---|
518 | |
---|
519 | <A NAME="gcd(int[])"><!-- --></A><H3> |
---|
520 | gcd</H3> |
---|
521 | <PRE> |
---|
522 | public static int <B>gcd</B>(int[] numbers)</PRE> |
---|
523 | <DL> |
---|
524 | <DD>Determines the greatest common divisor (GCD) of a list |
---|
525 | of integers. |
---|
526 | <P> |
---|
527 | <DD><DL> |
---|
528 | <DT><B>Parameters:</B><DD><CODE>numbers</CODE> - the list of integers to process |
---|
529 | <DT><B>Returns:</B><DD>the greatest common divisor of all numbers</DL> |
---|
530 | </DD> |
---|
531 | </DL> |
---|
532 | <HR> |
---|
533 | |
---|
534 | <A NAME="logInfo(java.lang.String)"><!-- --></A><H3> |
---|
535 | logInfo</H3> |
---|
536 | <PRE> |
---|
537 | public static void <B>logInfo</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> str)</PRE> |
---|
538 | <DL> |
---|
539 | <DD><DL> |
---|
540 | </DL> |
---|
541 | </DD> |
---|
542 | </DL> |
---|
543 | <!-- ========= END OF CLASS DATA ========= --> |
---|
544 | <HR> |
---|
545 | |
---|
546 | |
---|
547 | <!-- ======= START OF BOTTOM NAVBAR ====== --> |
---|
548 | <A NAME="navbar_bottom"><!-- --></A> |
---|
549 | <A HREF="#skip-navbar_bottom" title="Skip navigation links"></A> |
---|
550 | <TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0" SUMMARY=""> |
---|
551 | <TR> |
---|
552 | <TD COLSPAN=2 BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> |
---|
553 | <A NAME="navbar_bottom_firstrow"><!-- --></A> |
---|
554 | <TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3" SUMMARY=""> |
---|
555 | <TR ALIGN="center" VALIGN="top"> |
---|
556 | <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../../overview-summary.html"><FONT CLASS="NavBarFont1"><B>Overview</B></FONT></A> </TD> |
---|
557 | <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-summary.html"><FONT CLASS="NavBarFont1"><B>Package</B></FONT></A> </TD> |
---|
558 | <TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> <FONT CLASS="NavBarFont1Rev"><B>Class</B></FONT> </TD> |
---|
559 | <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="class-use/Environment.html"><FONT CLASS="NavBarFont1"><B>Use</B></FONT></A> </TD> |
---|
560 | <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-tree.html"><FONT CLASS="NavBarFont1"><B>Tree</B></FONT></A> </TD> |
---|
561 | <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../../deprecated-list.html"><FONT CLASS="NavBarFont1"><B>Deprecated</B></FONT></A> </TD> |
---|
562 | <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../../index-all.html"><FONT CLASS="NavBarFont1"><B>Index</B></FONT></A> </TD> |
---|
563 | <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../../help-doc.html"><FONT CLASS="NavBarFont1"><B>Help</B></FONT></A> </TD> |
---|
564 | </TR> |
---|
565 | </TABLE> |
---|
566 | </TD> |
---|
567 | <TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM> |
---|
568 | </EM> |
---|
569 | </TD> |
---|
570 | </TR> |
---|
571 | |
---|
572 | <TR> |
---|
573 | <TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> |
---|
574 | <A HREF="../../../../../org/apache/hadoop/contrib/failmon/CPUParser.html" title="class in org.apache.hadoop.contrib.failmon"><B>PREV CLASS</B></A> |
---|
575 | <A HREF="../../../../../org/apache/hadoop/contrib/failmon/EventRecord.html" title="class in org.apache.hadoop.contrib.failmon"><B>NEXT CLASS</B></A></FONT></TD> |
---|
576 | <TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> |
---|
577 | <A HREF="../../../../../index.html?org/apache/hadoop/contrib/failmon/Environment.html" target="_top"><B>FRAMES</B></A> |
---|
578 | <A HREF="Environment.html" target="_top"><B>NO FRAMES</B></A> |
---|
579 | <SCRIPT type="text/javascript"> |
---|
580 | <!-- |
---|
581 | if(window==top) { |
---|
582 | document.writeln('<A HREF="../../../../../allclasses-noframe.html"><B>All Classes</B></A>'); |
---|
583 | } |
---|
584 | //--> |
---|
585 | </SCRIPT> |
---|
586 | <NOSCRIPT> |
---|
587 | <A HREF="../../../../../allclasses-noframe.html"><B>All Classes</B></A> |
---|
588 | </NOSCRIPT> |
---|
589 | |
---|
590 | |
---|
591 | </FONT></TD> |
---|
592 | </TR> |
---|
593 | <TR> |
---|
594 | <TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> |
---|
595 | SUMMARY: NESTED | <A HREF="#field_summary">FIELD</A> | <A HREF="#constructor_summary">CONSTR</A> | <A HREF="#method_summary">METHOD</A></FONT></TD> |
---|
596 | <TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> |
---|
597 | DETAIL: <A HREF="#field_detail">FIELD</A> | <A HREF="#constructor_detail">CONSTR</A> | <A HREF="#method_detail">METHOD</A></FONT></TD> |
---|
598 | </TR> |
---|
599 | </TABLE> |
---|
600 | <A NAME="skip-navbar_bottom"></A> |
---|
601 | <!-- ======== END OF BOTTOM NAVBAR ======= --> |
---|
602 | |
---|
603 | <HR> |
---|
604 | Copyright © 2009 The Apache Software Foundation |
---|
605 | </BODY> |
---|
606 | </HTML> |
---|