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6<TITLE>
7FloatWritable (Hadoop 0.20.1 API)
8</TITLE>
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79  SUMMARY:&nbsp;<A HREF="#nested_class_summary">NESTED</A>&nbsp;|&nbsp;FIELD&nbsp;|&nbsp;<A HREF="#constructor_summary">CONSTR</A>&nbsp;|&nbsp;<A HREF="#method_summary">METHOD</A></FONT></TD>
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87<HR>
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89<H2>
90<FONT SIZE="-1">
91org.apache.hadoop.io</FONT>
92<BR>
93Class FloatWritable</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.FloatWritable</B>
97</PRE>
98<DL>
99<DT><B>All Implemented Interfaces:</B> <DD><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Comparable.html?is-external=true" title="class or interface in java.lang">Comparable</A>, <A HREF="../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</A>, <A HREF="../../../../org/apache/hadoop/io/WritableComparable.html" title="interface in org.apache.hadoop.io">WritableComparable</A></DD>
100</DL>
101<HR>
102<DL>
103<DT><PRE>public class <B>FloatWritable</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/WritableComparable.html" title="interface in org.apache.hadoop.io">WritableComparable</A></DL>
104</PRE>
105
106<P>
107A WritableComparable for floats.
108<P>
109
110<P>
111<HR>
112
113<P>
114<!-- ======== NESTED CLASS SUMMARY ======== -->
115
116<A NAME="nested_class_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>Nested Class 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&nbsp;class</CODE></FONT></TD>
125<TD><CODE><B><A HREF="../../../../org/apache/hadoop/io/FloatWritable.Comparator.html" title="class in org.apache.hadoop.io">FloatWritable.Comparator</A></B></CODE>
126
127<BR>
128&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;A Comparator optimized for FloatWritable.</TD>
129</TR>
130</TABLE>
131&nbsp;
132<!-- ======== CONSTRUCTOR SUMMARY ======== -->
133
134<A NAME="constructor_summary"><!-- --></A>
135<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
136<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
137<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
138<B>Constructor Summary</B></FONT></TH>
139</TR>
140<TR BGCOLOR="white" CLASS="TableRowColor">
141<TD><CODE><B><A HREF="../../../../org/apache/hadoop/io/FloatWritable.html#FloatWritable()">FloatWritable</A></B>()</CODE>
142
143<BR>
144&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
145</TR>
146<TR BGCOLOR="white" CLASS="TableRowColor">
147<TD><CODE><B><A HREF="../../../../org/apache/hadoop/io/FloatWritable.html#FloatWritable(float)">FloatWritable</A></B>(float&nbsp;value)</CODE>
148
149<BR>
150&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
151</TR>
152</TABLE>
153&nbsp;
154<!-- ========== METHOD SUMMARY =========== -->
155
156<A NAME="method_summary"><!-- --></A>
157<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
158<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
159<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
160<B>Method Summary</B></FONT></TH>
161</TR>
162<TR BGCOLOR="white" CLASS="TableRowColor">
163<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
164<CODE>&nbsp;int</CODE></FONT></TD>
165<TD><CODE><B><A HREF="../../../../org/apache/hadoop/io/FloatWritable.html#compareTo(java.lang.Object)">compareTo</A></B>(<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>&nbsp;o)</CODE>
166
167<BR>
168&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Compares two FloatWritables.</TD>
169</TR>
170<TR BGCOLOR="white" CLASS="TableRowColor">
171<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
172<CODE>&nbsp;boolean</CODE></FONT></TD>
173<TD><CODE><B><A HREF="../../../../org/apache/hadoop/io/FloatWritable.html#equals(java.lang.Object)">equals</A></B>(<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>&nbsp;o)</CODE>
174
175<BR>
176&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns true iff <code>o</code> is a FloatWritable with the same value.</TD>
177</TR>
178<TR BGCOLOR="white" CLASS="TableRowColor">
179<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
180<CODE>&nbsp;float</CODE></FONT></TD>
181<TD><CODE><B><A HREF="../../../../org/apache/hadoop/io/FloatWritable.html#get()">get</A></B>()</CODE>
182
183<BR>
184&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Return the value of this FloatWritable.</TD>
185</TR>
186<TR BGCOLOR="white" CLASS="TableRowColor">
187<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
188<CODE>&nbsp;int</CODE></FONT></TD>
189<TD><CODE><B><A HREF="../../../../org/apache/hadoop/io/FloatWritable.html#hashCode()">hashCode</A></B>()</CODE>
190
191<BR>
192&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
193</TR>
194<TR BGCOLOR="white" CLASS="TableRowColor">
195<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
196<CODE>&nbsp;void</CODE></FONT></TD>
197<TD><CODE><B><A HREF="../../../../org/apache/hadoop/io/FloatWritable.html#readFields(java.io.DataInput)">readFields</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/io/DataInput.html?is-external=true" title="class or interface in java.io">DataInput</A>&nbsp;in)</CODE>
198
199<BR>
200&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Deserialize the fields of this object from <code>in</code>.</TD>
201</TR>
202<TR BGCOLOR="white" CLASS="TableRowColor">
203<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
204<CODE>&nbsp;void</CODE></FONT></TD>
205<TD><CODE><B><A HREF="../../../../org/apache/hadoop/io/FloatWritable.html#set(float)">set</A></B>(float&nbsp;value)</CODE>
206
207<BR>
208&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Set the value of this FloatWritable.</TD>
209</TR>
210<TR BGCOLOR="white" CLASS="TableRowColor">
211<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
212<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>
213<TD><CODE><B><A HREF="../../../../org/apache/hadoop/io/FloatWritable.html#toString()">toString</A></B>()</CODE>
214
215<BR>
216&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
217</TR>
218<TR BGCOLOR="white" CLASS="TableRowColor">
219<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
220<CODE>&nbsp;void</CODE></FONT></TD>
221<TD><CODE><B><A HREF="../../../../org/apache/hadoop/io/FloatWritable.html#write(java.io.DataOutput)">write</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/io/DataOutput.html?is-external=true" title="class or interface in java.io">DataOutput</A>&nbsp;out)</CODE>
222
223<BR>
224&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Serialize the fields of this object to <code>out</code>.</TD>
225</TR>
226</TABLE>
227&nbsp;<A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A>
228<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
229<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
230<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>
231</TR>
232<TR BGCOLOR="white" CLASS="TableRowColor">
233<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#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#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#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>
234</TR>
235</TABLE>
236&nbsp;
237<P>
238
239<!-- ========= CONSTRUCTOR DETAIL ======== -->
240
241<A NAME="constructor_detail"><!-- --></A>
242<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
243<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
244<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">
245<B>Constructor Detail</B></FONT></TH>
246</TR>
247</TABLE>
248
249<A NAME="FloatWritable()"><!-- --></A><H3>
250FloatWritable</H3>
251<PRE>
252public <B>FloatWritable</B>()</PRE>
253<DL>
254</DL>
255<HR>
256
257<A NAME="FloatWritable(float)"><!-- --></A><H3>
258FloatWritable</H3>
259<PRE>
260public <B>FloatWritable</B>(float&nbsp;value)</PRE>
261<DL>
262</DL>
263
264<!-- ============ METHOD DETAIL ========== -->
265
266<A NAME="method_detail"><!-- --></A>
267<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
268<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
269<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">
270<B>Method Detail</B></FONT></TH>
271</TR>
272</TABLE>
273
274<A NAME="set(float)"><!-- --></A><H3>
275set</H3>
276<PRE>
277public void <B>set</B>(float&nbsp;value)</PRE>
278<DL>
279<DD>Set the value of this FloatWritable.
280<P>
281<DD><DL>
282</DL>
283</DD>
284<DD><DL>
285</DL>
286</DD>
287</DL>
288<HR>
289
290<A NAME="get()"><!-- --></A><H3>
291get</H3>
292<PRE>
293public float <B>get</B>()</PRE>
294<DL>
295<DD>Return the value of this FloatWritable.
296<P>
297<DD><DL>
298</DL>
299</DD>
300<DD><DL>
301</DL>
302</DD>
303</DL>
304<HR>
305
306<A NAME="readFields(java.io.DataInput)"><!-- --></A><H3>
307readFields</H3>
308<PRE>
309public void <B>readFields</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/io/DataInput.html?is-external=true" title="class or interface in java.io">DataInput</A>&nbsp;in)
310                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>
311<DL>
312<DD><B>Description copied from interface: <CODE><A HREF="../../../../org/apache/hadoop/io/Writable.html#readFields(java.io.DataInput)">Writable</A></CODE></B></DD>
313<DD>Deserialize the fields of this object from <code>in</code>. 
314 
315 <p>For efficiency, implementations should attempt to re-use storage in the
316 existing object where possible.</p>
317<P>
318<DD><DL>
319<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/apache/hadoop/io/Writable.html#readFields(java.io.DataInput)">readFields</A></CODE> in interface <CODE><A HREF="../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</A></CODE></DL>
320</DD>
321<DD><DL>
322<DT><B>Parameters:</B><DD><CODE>in</CODE> - <code>DataInput</code> to deseriablize this object from.
323<DT><B>Throws:</B>
324<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></DL>
325</DD>
326</DL>
327<HR>
328
329<A NAME="write(java.io.DataOutput)"><!-- --></A><H3>
330write</H3>
331<PRE>
332public void <B>write</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/io/DataOutput.html?is-external=true" title="class or interface in java.io">DataOutput</A>&nbsp;out)
333           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>
334<DL>
335<DD><B>Description copied from interface: <CODE><A HREF="../../../../org/apache/hadoop/io/Writable.html#write(java.io.DataOutput)">Writable</A></CODE></B></DD>
336<DD>Serialize the fields of this object to <code>out</code>.
337<P>
338<DD><DL>
339<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/apache/hadoop/io/Writable.html#write(java.io.DataOutput)">write</A></CODE> in interface <CODE><A HREF="../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</A></CODE></DL>
340</DD>
341<DD><DL>
342<DT><B>Parameters:</B><DD><CODE>out</CODE> - <code>DataOuput</code> to serialize this object into.
343<DT><B>Throws:</B>
344<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></DL>
345</DD>
346</DL>
347<HR>
348
349<A NAME="equals(java.lang.Object)"><!-- --></A><H3>
350equals</H3>
351<PRE>
352public boolean <B>equals</B>(<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>&nbsp;o)</PRE>
353<DL>
354<DD>Returns true iff <code>o</code> is a FloatWritable with the same value.
355<P>
356<DD><DL>
357<DT><B>Overrides:</B><DD><CODE><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></CODE> in class <CODE><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></CODE></DL>
358</DD>
359<DD><DL>
360</DL>
361</DD>
362</DL>
363<HR>
364
365<A NAME="hashCode()"><!-- --></A><H3>
366hashCode</H3>
367<PRE>
368public int <B>hashCode</B>()</PRE>
369<DL>
370<DD><DL>
371<DT><B>Overrides:</B><DD><CODE><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></CODE> in class <CODE><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></CODE></DL>
372</DD>
373<DD><DL>
374</DL>
375</DD>
376</DL>
377<HR>
378
379<A NAME="compareTo(java.lang.Object)"><!-- --></A><H3>
380compareTo</H3>
381<PRE>
382public int <B>compareTo</B>(<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>&nbsp;o)</PRE>
383<DL>
384<DD>Compares two FloatWritables.
385<P>
386<DD><DL>
387<DT><B>Specified by:</B><DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Comparable.html?is-external=true#compareTo(T)" title="class or interface in java.lang">compareTo</A></CODE> in interface <CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Comparable.html?is-external=true" title="class or interface in java.lang">Comparable</A></CODE></DL>
388</DD>
389<DD><DL>
390</DL>
391</DD>
392</DL>
393<HR>
394
395<A NAME="toString()"><!-- --></A><H3>
396toString</H3>
397<PRE>
398public <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>()</PRE>
399<DL>
400<DD><DL>
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