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7MD5MD5CRC32FileChecksum (Hadoop 0.20.1 API)
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79  SUMMARY:&nbsp;NESTED&nbsp;|&nbsp;<A HREF="#field_summary">FIELD</A>&nbsp;|&nbsp;<A HREF="#constructor_summary">CONSTR</A>&nbsp;|&nbsp;<A HREF="#method_summary">METHOD</A></FONT></TD>
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91org.apache.hadoop.fs</FONT>
92<BR>
93Class MD5MD5CRC32FileChecksum</H2>
94<PRE>
95<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</A>
96  <IMG SRC="../../../../resources/inherit.gif" ALT="extended by "><A HREF="../../../../org/apache/hadoop/fs/FileChecksum.html" title="class in org.apache.hadoop.fs">org.apache.hadoop.fs.FileChecksum</A>
97      <IMG SRC="../../../../resources/inherit.gif" ALT="extended by "><B>org.apache.hadoop.fs.MD5MD5CRC32FileChecksum</B>
98</PRE>
99<DL>
100<DT><B>All Implemented Interfaces:</B> <DD><A HREF="../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</A></DD>
101</DL>
102<HR>
103<DL>
104<DT><PRE>public class <B>MD5MD5CRC32FileChecksum</B><DT>extends <A HREF="../../../../org/apache/hadoop/fs/FileChecksum.html" title="class in org.apache.hadoop.fs">FileChecksum</A></DL>
105</PRE>
106
107<P>
108MD5 of MD5 of CRC32.
109<P>
110
111<P>
112<HR>
113
114<P>
115<!-- =========== FIELD SUMMARY =========== -->
116
117<A NAME="field_summary"><!-- --></A>
118<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
119<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
120<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
121<B>Field Summary</B></FONT></TH>
122</TR>
123<TR BGCOLOR="white" CLASS="TableRowColor">
124<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
125<CODE>static&nbsp;int</CODE></FONT></TD>
126<TD><CODE><B><A HREF="../../../../org/apache/hadoop/fs/MD5MD5CRC32FileChecksum.html#LENGTH">LENGTH</A></B></CODE>
127
128<BR>
129&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
130</TR>
131</TABLE>
132&nbsp;
133<!-- ======== CONSTRUCTOR SUMMARY ======== -->
134
135<A NAME="constructor_summary"><!-- --></A>
136<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
137<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
138<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
139<B>Constructor Summary</B></FONT></TH>
140</TR>
141<TR BGCOLOR="white" CLASS="TableRowColor">
142<TD><CODE><B><A HREF="../../../../org/apache/hadoop/fs/MD5MD5CRC32FileChecksum.html#MD5MD5CRC32FileChecksum()">MD5MD5CRC32FileChecksum</A></B>()</CODE>
143
144<BR>
145&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Same as this(0, 0, null)</TD>
146</TR>
147<TR BGCOLOR="white" CLASS="TableRowColor">
148<TD><CODE><B><A HREF="../../../../org/apache/hadoop/fs/MD5MD5CRC32FileChecksum.html#MD5MD5CRC32FileChecksum(int, long, org.apache.hadoop.io.MD5Hash)">MD5MD5CRC32FileChecksum</A></B>(int&nbsp;bytesPerCRC,
149                        long&nbsp;crcPerBlock,
150                        <A HREF="../../../../org/apache/hadoop/io/MD5Hash.html" title="class in org.apache.hadoop.io">MD5Hash</A>&nbsp;md5)</CODE>
151
152<BR>
153&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Create a MD5FileChecksum</TD>
154</TR>
155</TABLE>
156&nbsp;
157<!-- ========== METHOD SUMMARY =========== -->
158
159<A NAME="method_summary"><!-- --></A>
160<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
161<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
162<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
163<B>Method Summary</B></FONT></TH>
164</TR>
165<TR BGCOLOR="white" CLASS="TableRowColor">
166<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
167<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>
168<TD><CODE><B><A HREF="../../../../org/apache/hadoop/fs/MD5MD5CRC32FileChecksum.html#getAlgorithmName()">getAlgorithmName</A></B>()</CODE>
169
170<BR>
171&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The checksum algorithm name</TD>
172</TR>
173<TR BGCOLOR="white" CLASS="TableRowColor">
174<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
175<CODE>&nbsp;byte[]</CODE></FONT></TD>
176<TD><CODE><B><A HREF="../../../../org/apache/hadoop/fs/MD5MD5CRC32FileChecksum.html#getBytes()">getBytes</A></B>()</CODE>
177
178<BR>
179&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The value of the checksum in bytes</TD>
180</TR>
181<TR BGCOLOR="white" CLASS="TableRowColor">
182<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
183<CODE>&nbsp;int</CODE></FONT></TD>
184<TD><CODE><B><A HREF="../../../../org/apache/hadoop/fs/MD5MD5CRC32FileChecksum.html#getLength()">getLength</A></B>()</CODE>
185
186<BR>
187&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The length of the checksum in bytes</TD>
188</TR>
189<TR BGCOLOR="white" CLASS="TableRowColor">
190<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
191<CODE>&nbsp;void</CODE></FONT></TD>
192<TD><CODE><B><A HREF="../../../../org/apache/hadoop/fs/MD5MD5CRC32FileChecksum.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>
193
194<BR>
195&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Deserialize the fields of this object from <code>in</code>.</TD>
196</TR>
197<TR BGCOLOR="white" CLASS="TableRowColor">
198<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
199<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>
200<TD><CODE><B><A HREF="../../../../org/apache/hadoop/fs/MD5MD5CRC32FileChecksum.html#toString()">toString</A></B>()</CODE>
201
202<BR>
203&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
204</TR>
205<TR BGCOLOR="white" CLASS="TableRowColor">
206<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
207<CODE>static&nbsp;<A HREF="../../../../org/apache/hadoop/fs/MD5MD5CRC32FileChecksum.html" title="class in org.apache.hadoop.fs">MD5MD5CRC32FileChecksum</A></CODE></FONT></TD>
208<TD><CODE><B><A HREF="../../../../org/apache/hadoop/fs/MD5MD5CRC32FileChecksum.html#valueOf(org.xml.sax.Attributes)">valueOf</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/org/xml/sax/Attributes.html?is-external=true" title="class or interface in org.xml.sax">Attributes</A>&nbsp;attrs)</CODE>
209
210<BR>
211&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Return the object represented in the attributes.</TD>
212</TR>
213<TR BGCOLOR="white" CLASS="TableRowColor">
214<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
215<CODE>&nbsp;void</CODE></FONT></TD>
216<TD><CODE><B><A HREF="../../../../org/apache/hadoop/fs/MD5MD5CRC32FileChecksum.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>
217
218<BR>
219&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Serialize the fields of this object to <code>out</code>.</TD>
220</TR>
221<TR BGCOLOR="white" CLASS="TableRowColor">
222<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
223<CODE>static&nbsp;void</CODE></FONT></TD>
224<TD><CODE><B><A HREF="../../../../org/apache/hadoop/fs/MD5MD5CRC32FileChecksum.html#write(org.znerd.xmlenc.XMLOutputter, org.apache.hadoop.fs.MD5MD5CRC32FileChecksum)">write</A></B>(org.znerd.xmlenc.XMLOutputter&nbsp;xml,
225      <A HREF="../../../../org/apache/hadoop/fs/MD5MD5CRC32FileChecksum.html" title="class in org.apache.hadoop.fs">MD5MD5CRC32FileChecksum</A>&nbsp;that)</CODE>
226
227<BR>
228&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Write that object to xml output.</TD>
229</TR>
230</TABLE>
231&nbsp;<A NAME="methods_inherited_from_class_org.apache.hadoop.fs.FileChecksum"><!-- --></A>
232<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
233<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
234<TH ALIGN="left"><B>Methods inherited from class org.apache.hadoop.fs.<A HREF="../../../../org/apache/hadoop/fs/FileChecksum.html" title="class in org.apache.hadoop.fs">FileChecksum</A></B></TH>
235</TR>
236<TR BGCOLOR="white" CLASS="TableRowColor">
237<TD><CODE><A HREF="../../../../org/apache/hadoop/fs/FileChecksum.html#equals(java.lang.Object)">equals</A>, <A HREF="../../../../org/apache/hadoop/fs/FileChecksum.html#hashCode()">hashCode</A></CODE></TD>
238</TR>
239</TABLE>
240&nbsp;<A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A>
241<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
242<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
243<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>
244</TR>
245<TR BGCOLOR="white" CLASS="TableRowColor">
246<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>
247</TR>
248</TABLE>
249&nbsp;
250<P>
251
252<!-- ============ FIELD DETAIL =========== -->
253
254<A NAME="field_detail"><!-- --></A>
255<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
256<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
257<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">
258<B>Field Detail</B></FONT></TH>
259</TR>
260</TABLE>
261
262<A NAME="LENGTH"><!-- --></A><H3>
263LENGTH</H3>
264<PRE>
265public static final int <B>LENGTH</B></PRE>
266<DL>
267<DL>
268<DT><B>See Also:</B><DD><A HREF="../../../../constant-values.html#org.apache.hadoop.fs.MD5MD5CRC32FileChecksum.LENGTH">Constant Field Values</A></DL>
269</DL>
270
271<!-- ========= CONSTRUCTOR DETAIL ======== -->
272
273<A NAME="constructor_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>Constructor Detail</B></FONT></TH>
278</TR>
279</TABLE>
280
281<A NAME="MD5MD5CRC32FileChecksum()"><!-- --></A><H3>
282MD5MD5CRC32FileChecksum</H3>
283<PRE>
284public <B>MD5MD5CRC32FileChecksum</B>()</PRE>
285<DL>
286<DD>Same as this(0, 0, null)
287<P>
288</DL>
289<HR>
290
291<A NAME="MD5MD5CRC32FileChecksum(int, long, org.apache.hadoop.io.MD5Hash)"><!-- --></A><H3>
292MD5MD5CRC32FileChecksum</H3>
293<PRE>
294public <B>MD5MD5CRC32FileChecksum</B>(int&nbsp;bytesPerCRC,
295                               long&nbsp;crcPerBlock,
296                               <A HREF="../../../../org/apache/hadoop/io/MD5Hash.html" title="class in org.apache.hadoop.io">MD5Hash</A>&nbsp;md5)</PRE>
297<DL>
298<DD>Create a MD5FileChecksum
299<P>
300</DL>
301
302<!-- ============ METHOD DETAIL ========== -->
303
304<A NAME="method_detail"><!-- --></A>
305<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
306<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
307<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">
308<B>Method Detail</B></FONT></TH>
309</TR>
310</TABLE>
311
312<A NAME="getAlgorithmName()"><!-- --></A><H3>
313getAlgorithmName</H3>
314<PRE>
315public <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>getAlgorithmName</B>()</PRE>
316<DL>
317<DD>The checksum algorithm name
318<P>
319<DD><DL>
320<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/apache/hadoop/fs/FileChecksum.html#getAlgorithmName()">getAlgorithmName</A></CODE> in class <CODE><A HREF="../../../../org/apache/hadoop/fs/FileChecksum.html" title="class in org.apache.hadoop.fs">FileChecksum</A></CODE></DL>
321</DD>
322<DD><DL>
323</DL>
324</DD>
325</DL>
326<HR>
327
328<A NAME="getLength()"><!-- --></A><H3>
329getLength</H3>
330<PRE>
331public int <B>getLength</B>()</PRE>
332<DL>
333<DD>The length of the checksum in bytes
334<P>
335<DD><DL>
336<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/apache/hadoop/fs/FileChecksum.html#getLength()">getLength</A></CODE> in class <CODE><A HREF="../../../../org/apache/hadoop/fs/FileChecksum.html" title="class in org.apache.hadoop.fs">FileChecksum</A></CODE></DL>
337</DD>
338<DD><DL>
339</DL>
340</DD>
341</DL>
342<HR>
343
344<A NAME="getBytes()"><!-- --></A><H3>
345getBytes</H3>
346<PRE>
347public byte[] <B>getBytes</B>()</PRE>
348<DL>
349<DD>The value of the checksum in bytes
350<P>
351<DD><DL>
352<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/apache/hadoop/fs/FileChecksum.html#getBytes()">getBytes</A></CODE> in class <CODE><A HREF="../../../../org/apache/hadoop/fs/FileChecksum.html" title="class in org.apache.hadoop.fs">FileChecksum</A></CODE></DL>
353</DD>
354<DD><DL>
355</DL>
356</DD>
357</DL>
358<HR>
359
360<A NAME="readFields(java.io.DataInput)"><!-- --></A><H3>
361readFields</H3>
362<PRE>
363public 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)
364                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>
365<DL>
366<DD>Deserialize the fields of this object from <code>in</code>. 
367 
368 <p>For efficiency, implementations should attempt to re-use storage in the
369 existing object where possible.</p>
370<P>
371<DD><DL>
372<DT><B>Parameters:</B><DD><CODE>in</CODE> - <code>DataInput</code> to deseriablize this object from.
373<DT><B>Throws:</B>
374<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>
375</DD>
376</DL>
377<HR>
378
379<A NAME="write(java.io.DataOutput)"><!-- --></A><H3>
380write</H3>
381<PRE>
382public 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)
383           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>
384<DL>
385<DD>Serialize the fields of this object to <code>out</code>.
386<P>
387<DD><DL>
388<DT><B>Parameters:</B><DD><CODE>out</CODE> - <code>DataOuput</code> to serialize this object into.
389<DT><B>Throws:</B>
390<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>
391</DD>
392</DL>
393<HR>
394
395<A NAME="write(org.znerd.xmlenc.XMLOutputter, org.apache.hadoop.fs.MD5MD5CRC32FileChecksum)"><!-- --></A><H3>
396write</H3>
397<PRE>
398public static void <B>write</B>(org.znerd.xmlenc.XMLOutputter&nbsp;xml,
399                         <A HREF="../../../../org/apache/hadoop/fs/MD5MD5CRC32FileChecksum.html" title="class in org.apache.hadoop.fs">MD5MD5CRC32FileChecksum</A>&nbsp;that)
400                  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>
401<DL>
402<DD>Write that object to xml output.
403<P>
404<DD><DL>
405
406<DT><B>Throws:</B>
407<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>
408</DD>
409</DL>
410<HR>
411
412<A NAME="valueOf(org.xml.sax.Attributes)"><!-- --></A><H3>
413valueOf</H3>
414<PRE>
415public static <A HREF="../../../../org/apache/hadoop/fs/MD5MD5CRC32FileChecksum.html" title="class in org.apache.hadoop.fs">MD5MD5CRC32FileChecksum</A> <B>valueOf</B>(<A HREF="http://java.sun.com/javase/6/docs/api/org/xml/sax/Attributes.html?is-external=true" title="class or interface in org.xml.sax">Attributes</A>&nbsp;attrs)
416                                       throws <A HREF="http://java.sun.com/javase/6/docs/api/org/xml/sax/SAXException.html?is-external=true" title="class or interface in org.xml.sax">SAXException</A></PRE>
417<DL>
418<DD>Return the object represented in the attributes.
419<P>
420<DD><DL>
421
422<DT><B>Throws:</B>
423<DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/org/xml/sax/SAXException.html?is-external=true" title="class or interface in org.xml.sax">SAXException</A></CODE></DL>
424</DD>
425</DL>
426<HR>
427
428<A NAME="toString()"><!-- --></A><H3>
429toString</H3>
430<PRE>
431public <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>
432<DL>
433<DD>
434<P>
435<DD><DL>
436<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>
437</DD>
438<DD><DL>
439</DL>
440</DD>
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