source: proiecte/HadoopJUnit/hadoop-0.20.1/docs/jdiff/changes/pkg_org.apache.hadoop.io.html @ 120

Last change on this file since 120 was 120, checked in by (none), 14 years ago

Added the mail files for the Hadoop JUNit Project
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49Package <A HREF="../../api/org/apache/hadoop/io/package-summary.html" target="_top"><tt>org.apache.hadoop.io</tt></A>
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51<p>
52<a NAME="Added"></a>
53<TABLE summary="Added Classes" BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%">
54<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
55  <TD VALIGN="TOP" COLSPAN=2><FONT SIZE="+1"><B>Added Classes</B></FONT></TD>
56</TR>
57<TR BGCOLOR="#FFFFFF" CLASS="TableRowColor">
58  <TD VALIGN="TOP" WIDTH="25%">
59  <A NAME="BloomMapFile"></A>
60  <nobr><A HREF="../../api/org/apache/hadoop/io/BloomMapFile.html" target="_top"><tt>BloomMapFile</tt></A></nobr>
61  </TD>
62  <TD VALIGN="TOP">This class extends <A HREF="../../api/org/apache/hadoop/io/BloomMapFile/MapFile.html" target="_top">MapFile</A> and provides very much the same functionality.</TD>
63</TR>
64<TR BGCOLOR="#FFFFFF" CLASS="TableRowColor">
65  <TD VALIGN="TOP" WIDTH="25%">
66  <A NAME="BloomMapFile.Reader"></A>
67  <nobr><A HREF="../../api/org/apache/hadoop/io/BloomMapFile.Reader.html" target="_top"><tt>BloomMapFile.Reader</tt></A></nobr>
68  </TD>
69  <TD>&nbsp;</TD>
70</TR>
71<TR BGCOLOR="#FFFFFF" CLASS="TableRowColor">
72  <TD VALIGN="TOP" WIDTH="25%">
73  <A NAME="BloomMapFile.Writer"></A>
74  <nobr><A HREF="../../api/org/apache/hadoop/io/BloomMapFile.Writer.html" target="_top"><tt>BloomMapFile.Writer</tt></A></nobr>
75  </TD>
76  <TD>&nbsp;</TD>
77</TR>
78</TABLE>
79&nbsp;
80<p>
81<a NAME="Changed"></a>
82<TABLE summary="Changed Classes and Interfaces" BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%">
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84  <TD VALIGN="TOP" COLSPAN=2><FONT SIZE="+1"><B>Changed Classes and Interfaces</B></FONT></TD>
85</TR>
86<TR BGCOLOR="#FFFFFF" CLASS="TableRowColor">
87  <TD VALIGN="TOP" WIDTH="25%">
88  <A NAME="ArrayFile.Writer"></A>
89  <nobr><A HREF="org.apache.hadoop.io.ArrayFile.Writer.html">ArrayFile.Writer</A></nobr>
90  </TD>
91  <TD VALIGN="TOP">Write a new array file.</TD>
92</TR>
93<TR BGCOLOR="#FFFFFF" CLASS="TableRowColor">
94  <TD VALIGN="TOP" WIDTH="25%">
95  <A NAME="ArrayWritable"></A>
96  <nobr><A HREF="org.apache.hadoop.io.ArrayWritable.html">ArrayWritable</A></nobr>
97  </TD>
98  <TD VALIGN="TOP">A Writable for arrays containing instances of a class.</TD>
99</TR>
100<TR BGCOLOR="#FFFFFF" CLASS="TableRowColor">
101  <TD VALIGN="TOP" WIDTH="25%">
102  <A NAME="BinaryComparable"></A>
103  <nobr><A HREF="org.apache.hadoop.io.BinaryComparable.html">BinaryComparable</A></nobr>
104  </TD>
105  <TD VALIGN="TOP">Interface supported by <A HREF="../../api/org/apache/hadoop/io/WritableComparable.html" target="_top">org.apache.hadoop.io.WritableComparable</A> types supporting ordering/permutation by a representative set of bytes.</TD>
106</TR>
107<TR BGCOLOR="#FFFFFF" CLASS="TableRowColor">
108  <TD VALIGN="TOP" WIDTH="25%">
109  <A NAME="BytesWritable"></A>
110  <nobr><A HREF="org.apache.hadoop.io.BytesWritable.html">BytesWritable</A></nobr>
111  </TD>
112  <TD VALIGN="TOP">A byte sequence that is usable as a key or value.</TD>
113</TR>
114<TR BGCOLOR="#FFFFFF" CLASS="TableRowColor">
115  <TD VALIGN="TOP" WIDTH="25%">
116  <A NAME="DefaultStringifier"></A>
117  <nobr><A HREF="org.apache.hadoop.io.DefaultStringifier.html">DefaultStringifier</A></nobr>
118  </TD>
119  <TD VALIGN="TOP">DefaultStringifier is the default implementation of the <A HREF="../../api/org/apache/hadoop/io/DefaultStringifier/Stringifier.html" target="_top">Stringifier</A> interface which stringifies the objects using base64 encoding of the serialized version of the objects.</TD>
120</TR>
121<TR BGCOLOR="#FFFFFF" CLASS="TableRowColor">
122  <TD VALIGN="TOP" WIDTH="25%">
123  <A NAME="MD5Hash"></A>
124  <nobr><A HREF="org.apache.hadoop.io.MD5Hash.html">MD5Hash</A></nobr>
125  </TD>
126  <TD VALIGN="TOP">A Writable for MD5 hash values.</TD>
127</TR>
128<TR BGCOLOR="#FFFFFF" CLASS="TableRowColor">
129  <TD VALIGN="TOP" WIDTH="25%">
130  <A NAME="MapFile"></A>
131  <nobr><A HREF="org.apache.hadoop.io.MapFile.html">MapFile</A></nobr>
132  </TD>
133  <TD VALIGN="TOP">A file-based map from keys to values.</TD>
134</TR>
135<TR BGCOLOR="#FFFFFF" CLASS="TableRowColor">
136  <TD VALIGN="TOP" WIDTH="25%">
137  <A NAME="MapFile.Reader"></A>
138  <nobr><A HREF="org.apache.hadoop.io.MapFile.Reader.html">MapFile.Reader</A></nobr>
139  </TD>
140  <TD VALIGN="TOP">Provide access to an existing map.</TD>
141</TR>
142<TR BGCOLOR="#FFFFFF" CLASS="TableRowColor">
143  <TD VALIGN="TOP" WIDTH="25%">
144  <A NAME="MapFile.Writer"></A>
145  <nobr><A HREF="org.apache.hadoop.io.MapFile.Writer.html">MapFile.Writer</A></nobr>
146  </TD>
147  <TD VALIGN="TOP">Writes a new map.</TD>
148</TR>
149<TR BGCOLOR="#FFFFFF" CLASS="TableRowColor">
150  <TD VALIGN="TOP" WIDTH="25%">
151  <A NAME="MapWritable"></A>
152  <nobr><A HREF="org.apache.hadoop.io.MapWritable.html">MapWritable</A></nobr>
153  </TD>
154  <TD VALIGN="TOP">A Writable Map.</TD>
155</TR>
156<TR BGCOLOR="#FFFFFF" CLASS="TableRowColor">
157  <TD VALIGN="TOP" WIDTH="25%">
158  <A NAME="MultipleIOException"></A>
159  <nobr><A HREF="org.apache.hadoop.io.MultipleIOException.html">MultipleIOException</A></nobr>
160  </TD>
161  <TD VALIGN="TOP">Encapsulate a list of <A HREF="../../api/org/apache/hadoop/io/MultipleIOException/IOException.html" target="_top">IOException</A> into an <A HREF="../../api/org/apache/hadoop/io/MultipleIOException/IOException.html" target="_top">IOException</A></TD>
162</TR>
163<TR BGCOLOR="#FFFFFF" CLASS="TableRowColor">
164  <TD VALIGN="TOP" WIDTH="25%">
165  <A NAME="RawComparator"></A>
166  <nobr><A HREF="org.apache.hadoop.io.RawComparator.html"><I>RawComparator</I></A></nobr>
167  </TD>
168  <TD VALIGN="TOP"><p> A <A HREF="../../api/org/apache/hadoop/io/RawComparator/Comparator.html" target="_top">Comparator</A> that operates directly on byte representations of objects.</TD>
169</TR>
170<TR BGCOLOR="#FFFFFF" CLASS="TableRowColor">
171  <TD VALIGN="TOP" WIDTH="25%">
172  <A NAME="SequenceFile.CompressionType"></A>
173  <nobr><A HREF="org.apache.hadoop.io.SequenceFile.CompressionType.html">SequenceFile.CompressionType</A></nobr>
174  </TD>
175  <TD VALIGN="TOP">The compression type used to compress key/value pairs in the <A HREF="../../api/org/apache/hadoop/io/SequenceFile/CompressionType/SequenceFile.html" target="_top">SequenceFile</A> </TD>
176</TR>
177<TR BGCOLOR="#FFFFFF" CLASS="TableRowColor">
178  <TD VALIGN="TOP" WIDTH="25%">
179  <A NAME="SequenceFile.Metadata"></A>
180  <nobr><A HREF="org.apache.hadoop.io.SequenceFile.Metadata.html">SequenceFile.Metadata</A></nobr>
181  </TD>
182  <TD VALIGN="TOP">The class encapsulating with the metadata of a file.</TD>
183</TR>
184<TR BGCOLOR="#FFFFFF" CLASS="TableRowColor">
185  <TD VALIGN="TOP" WIDTH="25%">
186  <A NAME="SequenceFile.Reader"></A>
187  <nobr><A HREF="org.apache.hadoop.io.SequenceFile.Reader.html">SequenceFile.Reader</A></nobr>
188  </TD>
189  <TD VALIGN="TOP">Reads key/value pairs from a sequence-format file.</TD>
190</TR>
191<TR BGCOLOR="#FFFFFF" CLASS="TableRowColor">
192  <TD VALIGN="TOP" WIDTH="25%">
193  <A NAME="SequenceFile.Sorter"></A>
194  <nobr><A HREF="org.apache.hadoop.io.SequenceFile.Sorter.html">SequenceFile.Sorter</A></nobr>
195  </TD>
196  <TD VALIGN="TOP">Sorts key/value pairs in a sequence-format file.</TD>
197</TR>
198<TR BGCOLOR="#FFFFFF" CLASS="TableRowColor">
199  <TD VALIGN="TOP" WIDTH="25%">
200  <A NAME="SetFile.Writer"></A>
201  <nobr><A HREF="org.apache.hadoop.io.SetFile.Writer.html">SetFile.Writer</A></nobr>
202  </TD>
203  <TD VALIGN="TOP">Write a new set file.</TD>
204</TR>
205<TR BGCOLOR="#FFFFFF" CLASS="TableRowColor">
206  <TD VALIGN="TOP" WIDTH="25%">
207  <A NAME="SortedMapWritable"></A>
208  <nobr><A HREF="org.apache.hadoop.io.SortedMapWritable.html">SortedMapWritable</A></nobr>
209  </TD>
210  <TD VALIGN="TOP">A Writable SortedMap.</TD>
211</TR>
212<TR BGCOLOR="#FFFFFF" CLASS="TableRowColor">
213  <TD VALIGN="TOP" WIDTH="25%">
214  <A NAME="Stringifier"></A>
215  <nobr><A HREF="org.apache.hadoop.io.Stringifier.html"><I>Stringifier</I></A></nobr>
216  </TD>
217  <TD VALIGN="TOP">Stringifier interface offers two methods to convert an object to a string representation and restore the object given its string representation.</TD>
218</TR>
219<TR BGCOLOR="#FFFFFF" CLASS="TableRowColor">
220  <TD VALIGN="TOP" WIDTH="25%">
221  <A NAME="Text"></A>
222  <nobr><A HREF="org.apache.hadoop.io.Text.html">Text</A></nobr>
223  </TD>
224  <TD VALIGN="TOP">This class stores text using standard UTF8 encoding.</TD>
225</TR>
226<TR BGCOLOR="#FFFFFF" CLASS="TableRowColor">
227  <TD VALIGN="TOP" WIDTH="25%">
228  <A NAME="WritableComparable"></A>
229  <nobr><A HREF="org.apache.hadoop.io.WritableComparable.html"><I>WritableComparable</I></A></nobr>
230  </TD>
231  <TD VALIGN="TOP">A <A HREF="../../api/org/apache/hadoop/io/WritableComparable/Writable.html" target="_top">Writable</A> which is also <A HREF="../../api/org/apache/hadoop/io/WritableComparable/Comparable.html" target="_top">Comparable</A> </TD>
232</TR>
233<TR BGCOLOR="#FFFFFF" CLASS="TableRowColor">
234  <TD VALIGN="TOP" WIDTH="25%">
235  <A NAME="WritableComparator"></A>
236  <nobr><A HREF="org.apache.hadoop.io.WritableComparator.html">WritableComparator</A></nobr>
237  </TD>
238  <TD VALIGN="TOP">A Comparator for <A HREF="../../api/org.apache.hadoop.io.WritableComparator.WritableComparable}s/.html" target="_top"></TD>
239</TR>
240<TR BGCOLOR="#FFFFFF" CLASS="TableRowColor">
241  <TD VALIGN="TOP" WIDTH="25%">
242  <A NAME="WritableFactories"></A>
243  <nobr><A HREF="org.apache.hadoop.io.WritableFactories.html">WritableFactories</A></nobr>
244  </TD>
245  <TD VALIGN="TOP">Factories for non-public writables.</TD>
246</TR>
247<TR BGCOLOR="#FFFFFF" CLASS="TableRowColor">
248  <TD VALIGN="TOP" WIDTH="25%">
249  <A NAME="WritableName"></A>
250  <nobr><A HREF="org.apache.hadoop.io.WritableName.html">WritableName</A></nobr>
251  </TD>
252  <TD VALIGN="TOP">Utility to permit renaming of Writable implementation classes without invalidiating files that contain their class name.</TD>
253</TR>
254<TR BGCOLOR="#FFFFFF" CLASS="TableRowColor">
255  <TD VALIGN="TOP" WIDTH="25%">
256  <A NAME="WritableUtils"></A>
257  <nobr><A HREF="org.apache.hadoop.io.WritableUtils.html">WritableUtils</A></nobr>
258  </TD>
259  <TD>&nbsp;</TD>
260</TR>
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