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7DefaultStringifier (Hadoop 0.20.1 API)
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91org.apache.hadoop.io</FONT>
92<BR>
93Class DefaultStringifier&lt;T&gt;</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.io.DefaultStringifier&lt;T&gt;</B>
97</PRE>
98<DL>
99<DT><DT><B>Type Parameters:</B><DD><CODE>T</CODE> - the class of the objects to stringify</DL>
100<DL>
101<DT><B>All Implemented Interfaces:</B> <DD><A HREF="http://java.sun.com/javase/6/docs/api/java/io/Closeable.html?is-external=true" title="class or interface in java.io">Closeable</A>, <A HREF="../../../../org/apache/hadoop/io/Stringifier.html" title="interface in org.apache.hadoop.io">Stringifier</A>&lt;T&gt;</DD>
102</DL>
103<HR>
104<DL>
105<DT><PRE>public class <B>DefaultStringifier&lt;T&gt;</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><DT>implements <A HREF="../../../../org/apache/hadoop/io/Stringifier.html" title="interface in org.apache.hadoop.io">Stringifier</A>&lt;T&gt;</DL>
106</PRE>
107
108<P>
109DefaultStringifier is the default implementation of the <A HREF="../../../../org/apache/hadoop/io/Stringifier.html" title="interface in org.apache.hadoop.io"><CODE>Stringifier</CODE></A>
110 interface which stringifies the objects using base64 encoding of the
111 serialized version of the objects. The <A HREF="../../../../org/apache/hadoop/io/serializer/Serializer.html" title="interface in org.apache.hadoop.io.serializer"><CODE>Serializer</CODE></A> and
112 <A HREF="../../../../org/apache/hadoop/io/serializer/Deserializer.html" title="interface in org.apache.hadoop.io.serializer"><CODE>Deserializer</CODE></A> are obtained from the <A HREF="../../../../org/apache/hadoop/io/serializer/SerializationFactory.html" title="class in org.apache.hadoop.io.serializer"><CODE>SerializationFactory</CODE></A>.
113 <br>
114 DefaultStringifier offers convenience methods to store/load objects to/from
115 the configuration.
116<P>
117
118<P>
119<HR>
120
121<P>
122
123<!-- ======== CONSTRUCTOR SUMMARY ======== -->
124
125<A NAME="constructor_summary"><!-- --></A>
126<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
127<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
128<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
129<B>Constructor Summary</B></FONT></TH>
130</TR>
131<TR BGCOLOR="white" CLASS="TableRowColor">
132<TD><CODE><B><A HREF="../../../../org/apache/hadoop/io/DefaultStringifier.html#DefaultStringifier(org.apache.hadoop.conf.Configuration, java.lang.Class)">DefaultStringifier</A></B>(<A HREF="../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</A>&nbsp;conf,
133                   <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</A>&lt;<A HREF="../../../../org/apache/hadoop/io/DefaultStringifier.html" title="type parameter in DefaultStringifier">T</A>&gt;&nbsp;c)</CODE>
134
135<BR>
136&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
137</TR>
138</TABLE>
139&nbsp;
140<!-- ========== METHOD SUMMARY =========== -->
141
142<A NAME="method_summary"><!-- --></A>
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144<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
145<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
146<B>Method Summary</B></FONT></TH>
147</TR>
148<TR BGCOLOR="white" CLASS="TableRowColor">
149<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
150<CODE>&nbsp;void</CODE></FONT></TD>
151<TD><CODE><B><A HREF="../../../../org/apache/hadoop/io/DefaultStringifier.html#close()">close</A></B>()</CODE>
152
153<BR>
154&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Closes this object.</TD>
155</TR>
156<TR BGCOLOR="white" CLASS="TableRowColor">
157<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
158<CODE>&nbsp;<A HREF="../../../../org/apache/hadoop/io/DefaultStringifier.html" title="type parameter in DefaultStringifier">T</A></CODE></FONT></TD>
159<TD><CODE><B><A HREF="../../../../org/apache/hadoop/io/DefaultStringifier.html#fromString(java.lang.String)">fromString</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;str)</CODE>
160
161<BR>
162&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Restores the object from its string representation.</TD>
163</TR>
164<TR BGCOLOR="white" CLASS="TableRowColor">
165<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
166<CODE>static
167<TABLE BORDER="0" CELLPADDING="0" CELLSPACING="0" SUMMARY="">
168<TR ALIGN="right" VALIGN="">
169<TD NOWRAP><FONT SIZE="-1">
170<CODE>&lt;K&gt; K</CODE></FONT></TD>
171</TR>
172</TABLE>
173</CODE></FONT></TD>
174<TD><CODE><B><A HREF="../../../../org/apache/hadoop/io/DefaultStringifier.html#load(org.apache.hadoop.conf.Configuration, java.lang.String, java.lang.Class)">load</A></B>(<A HREF="../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</A>&nbsp;conf,
175     <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;keyName,
176     <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</A>&lt;K&gt;&nbsp;itemClass)</CODE>
177
178<BR>
179&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Restores the object from the configuration.</TD>
180</TR>
181<TR BGCOLOR="white" CLASS="TableRowColor">
182<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
183<CODE>static
184<TABLE BORDER="0" CELLPADDING="0" CELLSPACING="0" SUMMARY="">
185<TR ALIGN="right" VALIGN="">
186<TD NOWRAP><FONT SIZE="-1">
187<CODE>&lt;K&gt; K[]</CODE></FONT></TD>
188</TR>
189</TABLE>
190</CODE></FONT></TD>
191<TD><CODE><B><A HREF="../../../../org/apache/hadoop/io/DefaultStringifier.html#loadArray(org.apache.hadoop.conf.Configuration, java.lang.String, java.lang.Class)">loadArray</A></B>(<A HREF="../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</A>&nbsp;conf,
192          <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;keyName,
193          <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</A>&lt;K&gt;&nbsp;itemClass)</CODE>
194
195<BR>
196&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Restores the array of objects from the configuration.</TD>
197</TR>
198<TR BGCOLOR="white" CLASS="TableRowColor">
199<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
200<CODE>static
201<TABLE BORDER="0" CELLPADDING="0" CELLSPACING="0" SUMMARY="">
202<TR ALIGN="right" VALIGN="">
203<TD NOWRAP><FONT SIZE="-1">
204<CODE>&lt;K&gt; void</CODE></FONT></TD>
205</TR>
206</TABLE>
207</CODE></FONT></TD>
208<TD><CODE><B><A HREF="../../../../org/apache/hadoop/io/DefaultStringifier.html#store(org.apache.hadoop.conf.Configuration, K, java.lang.String)">store</A></B>(<A HREF="../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</A>&nbsp;conf,
209      K&nbsp;item,
210      <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;keyName)</CODE>
211
212<BR>
213&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Stores the item in the configuration with the given keyName.</TD>
214</TR>
215<TR BGCOLOR="white" CLASS="TableRowColor">
216<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
217<CODE>static
218<TABLE BORDER="0" CELLPADDING="0" CELLSPACING="0" SUMMARY="">
219<TR ALIGN="right" VALIGN="">
220<TD NOWRAP><FONT SIZE="-1">
221<CODE>&lt;K&gt; void</CODE></FONT></TD>
222</TR>
223</TABLE>
224</CODE></FONT></TD>
225<TD><CODE><B><A HREF="../../../../org/apache/hadoop/io/DefaultStringifier.html#storeArray(org.apache.hadoop.conf.Configuration, K[], java.lang.String)">storeArray</A></B>(<A HREF="../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</A>&nbsp;conf,
226           K[]&nbsp;items,
227           <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;keyName)</CODE>
228
229<BR>
230&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Stores the array of items in the configuration with the given keyName.</TD>
231</TR>
232<TR BGCOLOR="white" CLASS="TableRowColor">
233<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
234<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>
235<TD><CODE><B><A HREF="../../../../org/apache/hadoop/io/DefaultStringifier.html#toString(T)">toString</A></B>(<A HREF="../../../../org/apache/hadoop/io/DefaultStringifier.html" title="type parameter in DefaultStringifier">T</A>&nbsp;obj)</CODE>
236
237<BR>
238&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Converts the object to a string representation</TD>
239</TR>
240</TABLE>
241&nbsp;<A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A>
242<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
243<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
244<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>
245</TR>
246<TR BGCOLOR="white" CLASS="TableRowColor">
247<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>
248</TR>
249</TABLE>
250&nbsp;
251<P>
252
253<!-- ========= CONSTRUCTOR DETAIL ======== -->
254
255<A NAME="constructor_detail"><!-- --></A>
256<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
257<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
258<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">
259<B>Constructor Detail</B></FONT></TH>
260</TR>
261</TABLE>
262
263<A NAME="DefaultStringifier(org.apache.hadoop.conf.Configuration, java.lang.Class)"><!-- --></A><H3>
264DefaultStringifier</H3>
265<PRE>
266public <B>DefaultStringifier</B>(<A HREF="../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</A>&nbsp;conf,
267                          <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</A>&lt;<A HREF="../../../../org/apache/hadoop/io/DefaultStringifier.html" title="type parameter in DefaultStringifier">T</A>&gt;&nbsp;c)</PRE>
268<DL>
269</DL>
270
271<!-- ============ METHOD DETAIL ========== -->
272
273<A NAME="method_detail"><!-- --></A>
274<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
275<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
276<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">
277<B>Method Detail</B></FONT></TH>
278</TR>
279</TABLE>
280
281<A NAME="fromString(java.lang.String)"><!-- --></A><H3>
282fromString</H3>
283<PRE>
284public <A HREF="../../../../org/apache/hadoop/io/DefaultStringifier.html" title="type parameter in DefaultStringifier">T</A> <B>fromString</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;str)
285             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>
286<DL>
287<DD><B>Description copied from interface: <CODE><A HREF="../../../../org/apache/hadoop/io/Stringifier.html#fromString(java.lang.String)">Stringifier</A></CODE></B></DD>
288<DD>Restores the object from its string representation.
289<P>
290<DD><DL>
291<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/apache/hadoop/io/Stringifier.html#fromString(java.lang.String)">fromString</A></CODE> in interface <CODE><A HREF="../../../../org/apache/hadoop/io/Stringifier.html" title="interface in org.apache.hadoop.io">Stringifier</A>&lt;<A HREF="../../../../org/apache/hadoop/io/DefaultStringifier.html" title="type parameter in DefaultStringifier">T</A>&gt;</CODE></DL>
292</DD>
293<DD><DL>
294<DT><B>Parameters:</B><DD><CODE>str</CODE> - the string representation of the object
295<DT><B>Returns:</B><DD>restored object
296<DT><B>Throws:</B>
297<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 the object cannot be restored</DL>
298</DD>
299</DL>
300<HR>
301
302<A NAME="toString(java.lang.Object)"><!-- --></A><A NAME="toString(T)"><!-- --></A><H3>
303toString</H3>
304<PRE>
305public <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>toString</B>(<A HREF="../../../../org/apache/hadoop/io/DefaultStringifier.html" title="type parameter in DefaultStringifier">T</A>&nbsp;obj)
306                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>
307<DL>
308<DD><B>Description copied from interface: <CODE><A HREF="../../../../org/apache/hadoop/io/Stringifier.html#toString(T)">Stringifier</A></CODE></B></DD>
309<DD>Converts the object to a string representation
310<P>
311<DD><DL>
312<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/apache/hadoop/io/Stringifier.html#toString(T)">toString</A></CODE> in interface <CODE><A HREF="../../../../org/apache/hadoop/io/Stringifier.html" title="interface in org.apache.hadoop.io">Stringifier</A>&lt;<A HREF="../../../../org/apache/hadoop/io/DefaultStringifier.html" title="type parameter in DefaultStringifier">T</A>&gt;</CODE></DL>
313</DD>
314<DD><DL>
315<DT><B>Parameters:</B><DD><CODE>obj</CODE> - the object to convert
316<DT><B>Returns:</B><DD>the string representation of the object
317<DT><B>Throws:</B>
318<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 the object cannot be converted</DL>
319</DD>
320</DL>
321<HR>
322
323<A NAME="close()"><!-- --></A><H3>
324close</H3>
325<PRE>
326public void <B>close</B>()
327           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>
328<DL>
329<DD><B>Description copied from interface: <CODE><A HREF="../../../../org/apache/hadoop/io/Stringifier.html#close()">Stringifier</A></CODE></B></DD>
330<DD>Closes this object.
331<P>
332<DD><DL>
333<DT><B>Specified by:</B><DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/io/Closeable.html?is-external=true#close()" title="class or interface in java.io">close</A></CODE> in interface <CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/io/Closeable.html?is-external=true" title="class or interface in java.io">Closeable</A></CODE><DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/apache/hadoop/io/Stringifier.html#close()">close</A></CODE> in interface <CODE><A HREF="../../../../org/apache/hadoop/io/Stringifier.html" title="interface in org.apache.hadoop.io">Stringifier</A>&lt;<A HREF="../../../../org/apache/hadoop/io/DefaultStringifier.html" title="type parameter in DefaultStringifier">T</A>&gt;</CODE></DL>
334</DD>
335<DD><DL>
336
337<DT><B>Throws:</B>
338<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 an I/O error occurs</DL>
339</DD>
340</DL>
341<HR>
342
343<A NAME="store(org.apache.hadoop.conf.Configuration,java.lang.Object,java.lang.String)"><!-- --></A><A NAME="store(org.apache.hadoop.conf.Configuration, K, java.lang.String)"><!-- --></A><H3>
344store</H3>
345<PRE>
346public static &lt;K&gt; void <B>store</B>(<A HREF="../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</A>&nbsp;conf,
347                             K&nbsp;item,
348                             <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;keyName)
349                  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>
350<DL>
351<DD>Stores the item in the configuration with the given keyName.
352<P>
353<DD><DL>
354</DL>
355</DD>
356<DD><DL>
357<DT><B>Type Parameters:</B><DD><CODE>K</CODE> - the class of the item<DT><B>Parameters:</B><DD><CODE>conf</CODE> - the configuration to store<DD><CODE>item</CODE> - the object to be stored<DD><CODE>keyName</CODE> - the name of the key to use
358<DT><B>Throws:</B>
359<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> - : forwards Exceptions from the underlying
360 <A HREF="../../../../org/apache/hadoop/io/serializer/Serialization.html" title="interface in org.apache.hadoop.io.serializer"><CODE>Serialization</CODE></A> classes.</DL>
361</DD>
362</DL>
363<HR>
364
365<A NAME="load(org.apache.hadoop.conf.Configuration, java.lang.String, java.lang.Class)"><!-- --></A><H3>
366load</H3>
367<PRE>
368public static &lt;K&gt; K <B>load</B>(<A HREF="../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</A>&nbsp;conf,
369                         <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;keyName,
370                         <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</A>&lt;K&gt;&nbsp;itemClass)
371              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>
372<DL>
373<DD>Restores the object from the configuration.
374<P>
375<DD><DL>
376</DL>
377</DD>
378<DD><DL>
379<DT><B>Type Parameters:</B><DD><CODE>K</CODE> - the class of the item<DT><B>Parameters:</B><DD><CODE>conf</CODE> - the configuration to use<DD><CODE>keyName</CODE> - the name of the key to use<DD><CODE>itemClass</CODE> - the class of the item
380<DT><B>Returns:</B><DD>restored object
381<DT><B>Throws:</B>
382<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> - : forwards Exceptions from the underlying
383 <A HREF="../../../../org/apache/hadoop/io/serializer/Serialization.html" title="interface in org.apache.hadoop.io.serializer"><CODE>Serialization</CODE></A> classes.</DL>
384</DD>
385</DL>
386<HR>
387
388<A NAME="storeArray(org.apache.hadoop.conf.Configuration,java.lang.Object[],java.lang.String)"><!-- --></A><A NAME="storeArray(org.apache.hadoop.conf.Configuration, K[], java.lang.String)"><!-- --></A><H3>
389storeArray</H3>
390<PRE>
391public static &lt;K&gt; void <B>storeArray</B>(<A HREF="../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</A>&nbsp;conf,
392                                  K[]&nbsp;items,
393                                  <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;keyName)
394                       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>
395<DL>
396<DD>Stores the array of items in the configuration with the given keyName.
397<P>
398<DD><DL>
399</DL>
400</DD>
401<DD><DL>
402<DT><B>Type Parameters:</B><DD><CODE>K</CODE> - the class of the item<DT><B>Parameters:</B><DD><CODE>conf</CODE> - the configuration to use<DD><CODE>items</CODE> - the objects to be stored<DD><CODE>keyName</CODE> - the name of the key to use
403<DT><B>Throws:</B>
404<DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/IndexOutOfBoundsException.html?is-external=true" title="class or interface in java.lang">IndexOutOfBoundsException</A></CODE> - if the items array is empty
405<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> - : forwards Exceptions from the underlying
406 <A HREF="../../../../org/apache/hadoop/io/serializer/Serialization.html" title="interface in org.apache.hadoop.io.serializer"><CODE>Serialization</CODE></A> classes.</DL>
407</DD>
408</DL>
409<HR>
410
411<A NAME="loadArray(org.apache.hadoop.conf.Configuration, java.lang.String, java.lang.Class)"><!-- --></A><H3>
412loadArray</H3>
413<PRE>
414public static &lt;K&gt; K[] <B>loadArray</B>(<A HREF="../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</A>&nbsp;conf,
415                                <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;keyName,
416                                <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</A>&lt;K&gt;&nbsp;itemClass)
417                     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>
418<DL>
419<DD>Restores the array of objects from the configuration.
420<P>
421<DD><DL>
422</DL>
423</DD>
424<DD><DL>
425<DT><B>Type Parameters:</B><DD><CODE>K</CODE> - the class of the item<DT><B>Parameters:</B><DD><CODE>conf</CODE> - the configuration to use<DD><CODE>keyName</CODE> - the name of the key to use<DD><CODE>itemClass</CODE> - the class of the item
426<DT><B>Returns:</B><DD>restored object
427<DT><B>Throws:</B>
428<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> - : forwards Exceptions from the underlying
429 <A HREF="../../../../org/apache/hadoop/io/serializer/Serialization.html" title="interface in org.apache.hadoop.io.serializer"><CODE>Serialization</CODE></A> classes.</DL>
430</DD>
431</DL>
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