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

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7FileChecksum (Hadoop 0.20.1 API)
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91org.apache.hadoop.fs</FONT>
92<BR>
93Class FileChecksum</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.fs.FileChecksum</B>
97</PRE>
98<DL>
99<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>
100</DL>
101<DL>
102<DT><B>Direct Known Subclasses:</B> <DD><A HREF="../../../../org/apache/hadoop/fs/MD5MD5CRC32FileChecksum.html" title="class in org.apache.hadoop.fs">MD5MD5CRC32FileChecksum</A></DD>
103</DL>
104<HR>
105<DL>
106<DT><PRE>public abstract class <B>FileChecksum</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/Writable.html" title="interface in org.apache.hadoop.io">Writable</A></DL>
107</PRE>
108
109<P>
110An abstract class representing file checksums for files.
111<P>
112
113<P>
114<HR>
115
116<P>
117
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120<A NAME="constructor_summary"><!-- --></A>
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124<B>Constructor Summary</B></FONT></TH>
125</TR>
126<TR BGCOLOR="white" CLASS="TableRowColor">
127<TD><CODE><B><A HREF="../../../../org/apache/hadoop/fs/FileChecksum.html#FileChecksum()">FileChecksum</A></B>()</CODE>
128
129<BR>
130&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
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133&nbsp;
134<!-- ========== METHOD SUMMARY =========== -->
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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>&nbsp;boolean</CODE></FONT></TD>
145<TD><CODE><B><A HREF="../../../../org/apache/hadoop/fs/FileChecksum.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;other)</CODE>
146
147<BR>
148&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Return true if both the algorithms and the values are the same.</TD>
149</TR>
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152<CODE>abstract &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>
153<TD><CODE><B><A HREF="../../../../org/apache/hadoop/fs/FileChecksum.html#getAlgorithmName()">getAlgorithmName</A></B>()</CODE>
154
155<BR>
156&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The checksum algorithm name</TD>
157</TR>
158<TR BGCOLOR="white" CLASS="TableRowColor">
159<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
160<CODE>abstract &nbsp;byte[]</CODE></FONT></TD>
161<TD><CODE><B><A HREF="../../../../org/apache/hadoop/fs/FileChecksum.html#getBytes()">getBytes</A></B>()</CODE>
162
163<BR>
164&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The value of the checksum in bytes</TD>
165</TR>
166<TR BGCOLOR="white" CLASS="TableRowColor">
167<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
168<CODE>abstract &nbsp;int</CODE></FONT></TD>
169<TD><CODE><B><A HREF="../../../../org/apache/hadoop/fs/FileChecksum.html#getLength()">getLength</A></B>()</CODE>
170
171<BR>
172&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The length of the checksum in bytes</TD>
173</TR>
174<TR BGCOLOR="white" CLASS="TableRowColor">
175<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
176<CODE>&nbsp;int</CODE></FONT></TD>
177<TD><CODE><B><A HREF="../../../../org/apache/hadoop/fs/FileChecksum.html#hashCode()">hashCode</A></B>()</CODE>
178
179<BR>
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199</TR>
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202<P>
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210<B>Constructor Detail</B></FONT></TH>
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212</TABLE>
213
214<A NAME="FileChecksum()"><!-- --></A><H3>
215FileChecksum</H3>
216<PRE>
217public <B>FileChecksum</B>()</PRE>
218<DL>
219</DL>
220
221<!-- ============ METHOD DETAIL ========== -->
222
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230
231<A NAME="getAlgorithmName()"><!-- --></A><H3>
232getAlgorithmName</H3>
233<PRE>
234public abstract <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>
235<DL>
236<DD>The checksum algorithm name
237<P>
238<DD><DL>
239</DL>
240</DD>
241<DD><DL>
242</DL>
243</DD>
244</DL>
245<HR>
246
247<A NAME="getLength()"><!-- --></A><H3>
248getLength</H3>
249<PRE>
250public abstract int <B>getLength</B>()</PRE>
251<DL>
252<DD>The length of the checksum in bytes
253<P>
254<DD><DL>
255</DL>
256</DD>
257<DD><DL>
258</DL>
259</DD>
260</DL>
261<HR>
262
263<A NAME="getBytes()"><!-- --></A><H3>
264getBytes</H3>
265<PRE>
266public abstract byte[] <B>getBytes</B>()</PRE>
267<DL>
268<DD>The value of the checksum in bytes
269<P>
270<DD><DL>
271</DL>
272</DD>
273<DD><DL>
274</DL>
275</DD>
276</DL>
277<HR>
278
279<A NAME="equals(java.lang.Object)"><!-- --></A><H3>
280equals</H3>
281<PRE>
282public 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;other)</PRE>
283<DL>
284<DD>Return true if both the algorithms and the values are the same.
285<P>
286<DD><DL>
287<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>
288</DD>
289<DD><DL>
290</DL>
291</DD>
292</DL>
293<HR>
294
295<A NAME="hashCode()"><!-- --></A><H3>
296hashCode</H3>
297<PRE>
298public int <B>hashCode</B>()</PRE>
299<DL>
300<DD>
301<P>
302<DD><DL>
303<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>
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