source: proiecte/HadoopJUnit/hadoop-0.20.1/docs/api/org/apache/hadoop/record/Record.html @ 120

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3<HTML>
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5<!-- Generated by javadoc (build 1.6.0_07) on Tue Sep 01 20:56:55 UTC 2009 -->
6<TITLE>
7Record (Hadoop 0.20.1 API)
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79  SUMMARY:&nbsp;NESTED&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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89<H2>
90<FONT SIZE="-1">
91org.apache.hadoop.record</FONT>
92<BR>
93Class Record</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.record.Record</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/Cloneable.html?is-external=true" title="class or interface in java.lang">Cloneable</A>, <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<DL>
102<DT><B>Direct Known Subclasses:</B> <DD><A HREF="../../../../org/apache/hadoop/record/meta/RecordTypeInfo.html" title="class in org.apache.hadoop.record.meta">RecordTypeInfo</A></DD>
103</DL>
104<HR>
105<DL>
106<DT><PRE>public abstract class <B>Record</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>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Cloneable.html?is-external=true" title="class or interface in java.lang">Cloneable</A></DL>
107</PRE>
108
109<P>
110Abstract class that is extended by generated classes.
111<P>
112
113<P>
114<HR>
115
116<P>
117
118<!-- ======== CONSTRUCTOR SUMMARY ======== -->
119
120<A NAME="constructor_summary"><!-- --></A>
121<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
122<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
123<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
124<B>Constructor Summary</B></FONT></TH>
125</TR>
126<TR BGCOLOR="white" CLASS="TableRowColor">
127<TD><CODE><B><A HREF="../../../../org/apache/hadoop/record/Record.html#Record()">Record</A></B>()</CODE>
128
129<BR>
130&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
131</TR>
132</TABLE>
133&nbsp;
134<!-- ========== METHOD SUMMARY =========== -->
135
136<A NAME="method_summary"><!-- --></A>
137<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
138<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
139<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
140<B>Method Summary</B></FONT></TH>
141</TR>
142<TR BGCOLOR="white" CLASS="TableRowColor">
143<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
144<CODE>abstract &nbsp;int</CODE></FONT></TD>
145<TD><CODE><B><A HREF="../../../../org/apache/hadoop/record/Record.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;peer)</CODE>
146
147<BR>
148&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
149</TR>
150<TR BGCOLOR="white" CLASS="TableRowColor">
151<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
152<CODE>&nbsp;void</CODE></FONT></TD>
153<TD><CODE><B><A HREF="../../../../org/apache/hadoop/record/Record.html#deserialize(org.apache.hadoop.record.RecordInput)">deserialize</A></B>(<A HREF="../../../../org/apache/hadoop/record/RecordInput.html" title="interface in org.apache.hadoop.record">RecordInput</A>&nbsp;rin)</CODE>
154
155<BR>
156&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Deserialize a record without a tag</TD>
157</TR>
158<TR BGCOLOR="white" CLASS="TableRowColor">
159<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
160<CODE>abstract &nbsp;void</CODE></FONT></TD>
161<TD><CODE><B><A HREF="../../../../org/apache/hadoop/record/Record.html#deserialize(org.apache.hadoop.record.RecordInput, java.lang.String)">deserialize</A></B>(<A HREF="../../../../org/apache/hadoop/record/RecordInput.html" title="interface in org.apache.hadoop.record">RecordInput</A>&nbsp;rin,
162            <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;tag)</CODE>
163
164<BR>
165&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Deserialize a record with a tag (usually field name)</TD>
166</TR>
167<TR BGCOLOR="white" CLASS="TableRowColor">
168<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
169<CODE>&nbsp;void</CODE></FONT></TD>
170<TD><CODE><B><A HREF="../../../../org/apache/hadoop/record/Record.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;din)</CODE>
171
172<BR>
173&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Deserialize the fields of this object from <code>in</code>.</TD>
174</TR>
175<TR BGCOLOR="white" CLASS="TableRowColor">
176<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
177<CODE>&nbsp;void</CODE></FONT></TD>
178<TD><CODE><B><A HREF="../../../../org/apache/hadoop/record/Record.html#serialize(org.apache.hadoop.record.RecordOutput)">serialize</A></B>(<A HREF="../../../../org/apache/hadoop/record/RecordOutput.html" title="interface in org.apache.hadoop.record">RecordOutput</A>&nbsp;rout)</CODE>
179
180<BR>
181&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Serialize a record without a tag</TD>
182</TR>
183<TR BGCOLOR="white" CLASS="TableRowColor">
184<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
185<CODE>abstract &nbsp;void</CODE></FONT></TD>
186<TD><CODE><B><A HREF="../../../../org/apache/hadoop/record/Record.html#serialize(org.apache.hadoop.record.RecordOutput, java.lang.String)">serialize</A></B>(<A HREF="../../../../org/apache/hadoop/record/RecordOutput.html" title="interface in org.apache.hadoop.record">RecordOutput</A>&nbsp;rout,
187          <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;tag)</CODE>
188
189<BR>
190&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Serialize a record with tag (ususally field name)</TD>
191</TR>
192<TR BGCOLOR="white" CLASS="TableRowColor">
193<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
194<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>
195<TD><CODE><B><A HREF="../../../../org/apache/hadoop/record/Record.html#toString()">toString</A></B>()</CODE>
196
197<BR>
198&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
199</TR>
200<TR BGCOLOR="white" CLASS="TableRowColor">
201<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
202<CODE>&nbsp;void</CODE></FONT></TD>
203<TD><CODE><B><A HREF="../../../../org/apache/hadoop/record/Record.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>
204
205<BR>
206&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Serialize the fields of this object to <code>out</code>.</TD>
207</TR>
208</TABLE>
209&nbsp;<A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A>
210<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
211<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
212<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>
213</TR>
214<TR BGCOLOR="white" CLASS="TableRowColor">
215<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#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>
216</TR>
217</TABLE>
218&nbsp;
219<P>
220
221<!-- ========= CONSTRUCTOR DETAIL ======== -->
222
223<A NAME="constructor_detail"><!-- --></A>
224<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
225<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
226<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">
227<B>Constructor Detail</B></FONT></TH>
228</TR>
229</TABLE>
230
231<A NAME="Record()"><!-- --></A><H3>
232Record</H3>
233<PRE>
234public <B>Record</B>()</PRE>
235<DL>
236</DL>
237
238<!-- ============ METHOD DETAIL ========== -->
239
240<A NAME="method_detail"><!-- --></A>
241<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
242<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
243<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">
244<B>Method Detail</B></FONT></TH>
245</TR>
246</TABLE>
247
248<A NAME="serialize(org.apache.hadoop.record.RecordOutput, java.lang.String)"><!-- --></A><H3>
249serialize</H3>
250<PRE>
251public abstract void <B>serialize</B>(<A HREF="../../../../org/apache/hadoop/record/RecordOutput.html" title="interface in org.apache.hadoop.record">RecordOutput</A>&nbsp;rout,
252                               <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;tag)
253                        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>
254<DL>
255<DD>Serialize a record with tag (ususally field name)
256<P>
257<DD><DL>
258</DL>
259</DD>
260<DD><DL>
261<DT><B>Parameters:</B><DD><CODE>rout</CODE> - Record output destination<DD><CODE>tag</CODE> - record tag (Used only in tagged serialization e.g. XML)
262<DT><B>Throws:</B>
263<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>
264</DD>
265</DL>
266<HR>
267
268<A NAME="deserialize(org.apache.hadoop.record.RecordInput, java.lang.String)"><!-- --></A><H3>
269deserialize</H3>
270<PRE>
271public abstract void <B>deserialize</B>(<A HREF="../../../../org/apache/hadoop/record/RecordInput.html" title="interface in org.apache.hadoop.record">RecordInput</A>&nbsp;rin,
272                                 <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;tag)
273                          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>
274<DL>
275<DD>Deserialize a record with a tag (usually field name)
276<P>
277<DD><DL>
278</DL>
279</DD>
280<DD><DL>
281<DT><B>Parameters:</B><DD><CODE>rin</CODE> - Record input source<DD><CODE>tag</CODE> - Record tag (Used only in tagged serialization e.g. XML)
282<DT><B>Throws:</B>
283<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>
284</DD>
285</DL>
286<HR>
287
288<A NAME="compareTo(java.lang.Object)"><!-- --></A><H3>
289compareTo</H3>
290<PRE>
291public abstract 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;peer)
292                       throws <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/ClassCastException.html?is-external=true" title="class or interface in java.lang">ClassCastException</A></PRE>
293<DL>
294<DD><DL>
295<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>
296</DD>
297<DD><DL>
298
299<DT><B>Throws:</B>
300<DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/ClassCastException.html?is-external=true" title="class or interface in java.lang">ClassCastException</A></CODE></DL>
301</DD>
302</DL>
303<HR>
304
305<A NAME="serialize(org.apache.hadoop.record.RecordOutput)"><!-- --></A><H3>
306serialize</H3>
307<PRE>
308public void <B>serialize</B>(<A HREF="../../../../org/apache/hadoop/record/RecordOutput.html" title="interface in org.apache.hadoop.record">RecordOutput</A>&nbsp;rout)
309               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>
310<DL>
311<DD>Serialize a record without a tag
312<P>
313<DD><DL>
314</DL>
315</DD>
316<DD><DL>
317<DT><B>Parameters:</B><DD><CODE>rout</CODE> - Record output destination
318<DT><B>Throws:</B>
319<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>
320</DD>
321</DL>
322<HR>
323
324<A NAME="deserialize(org.apache.hadoop.record.RecordInput)"><!-- --></A><H3>
325deserialize</H3>
326<PRE>
327public void <B>deserialize</B>(<A HREF="../../../../org/apache/hadoop/record/RecordInput.html" title="interface in org.apache.hadoop.record">RecordInput</A>&nbsp;rin)
328                 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>
329<DL>
330<DD>Deserialize a record without a tag
331<P>
332<DD><DL>
333</DL>
334</DD>
335<DD><DL>
336<DT><B>Parameters:</B><DD><CODE>rin</CODE> - Record input source
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></DL>
339</DD>
340</DL>
341<HR>
342
343<A NAME="write(java.io.DataOutput)"><!-- --></A><H3>
344write</H3>
345<PRE>
346public 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)
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 interface: <CODE><A HREF="../../../../org/apache/hadoop/io/Writable.html#write(java.io.DataOutput)">Writable</A></CODE></B></DD>
350<DD>Serialize the fields of this object to <code>out</code>.
351<P>
352<DD><DL>
353<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>
354</DD>
355<DD><DL>
356<DT><B>Parameters:</B><DD><CODE>out</CODE> - <code>DataOuput</code> to serialize this object into.
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></DL>
359</DD>
360</DL>
361<HR>
362
363<A NAME="readFields(java.io.DataInput)"><!-- --></A><H3>
364readFields</H3>
365<PRE>
366public 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;din)
367                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>
368<DL>
369<DD><B>Description copied from interface: <CODE><A HREF="../../../../org/apache/hadoop/io/Writable.html#readFields(java.io.DataInput)">Writable</A></CODE></B></DD>
370<DD>Deserialize the fields of this object from <code>in</code>. 
371 
372 <p>For efficiency, implementations should attempt to re-use storage in the
373 existing object where possible.</p>
374<P>
375<DD><DL>
376<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>
377</DD>
378<DD><DL>
379<DT><B>Parameters:</B><DD><CODE>din</CODE> - <code>DataInput</code> to deseriablize this object from.
380<DT><B>Throws:</B>
381<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>
382</DD>
383</DL>
384<HR>
385
386<A NAME="toString()"><!-- --></A><H3>
387toString</H3>
388<PRE>
389public <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>
390<DL>
391<DD><DL>
392<DT><B>Overrides:</B><DD><CODE><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></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>
393</DD>
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