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7BlockDecompressorStream (Hadoop 0.20.1 API)
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79  SUMMARY:&nbsp;NESTED&nbsp;|&nbsp;<A HREF="#fields_inherited_from_class_org.apache.hadoop.io.compress.DecompressorStream">FIELD</A>&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.io.compress</FONT>
92<BR>
93Class BlockDecompressorStream</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="http://java.sun.com/javase/6/docs/api/java/io/InputStream.html?is-external=true" title="class or interface in java.io">java.io.InputStream</A>
97      <IMG SRC="../../../../../resources/inherit.gif" ALT="extended by "><A HREF="../../../../../org/apache/hadoop/io/compress/CompressionInputStream.html" title="class in org.apache.hadoop.io.compress">org.apache.hadoop.io.compress.CompressionInputStream</A>
98          <IMG SRC="../../../../../resources/inherit.gif" ALT="extended by "><A HREF="../../../../../org/apache/hadoop/io/compress/DecompressorStream.html" title="class in org.apache.hadoop.io.compress">org.apache.hadoop.io.compress.DecompressorStream</A>
99              <IMG SRC="../../../../../resources/inherit.gif" ALT="extended by "><B>org.apache.hadoop.io.compress.BlockDecompressorStream</B>
100</PRE>
101<DL>
102<DT><B>All Implemented Interfaces:</B> <DD><A HREF="http://java.sun.com/javase/6/docs/api/java/io/Closeable.html?is-external=true" title="class or interface in java.io">Closeable</A></DD>
103</DL>
104<HR>
105<DL>
106<DT><PRE>public class <B>BlockDecompressorStream</B><DT>extends <A HREF="../../../../../org/apache/hadoop/io/compress/DecompressorStream.html" title="class in org.apache.hadoop.io.compress">DecompressorStream</A></DL>
107</PRE>
108
109<P>
110A <A HREF="../../../../../org/apache/hadoop/io/compress/DecompressorStream.html" title="class in org.apache.hadoop.io.compress"><CODE>DecompressorStream</CODE></A> which works
111 with 'block-based' based compression algorithms, as opposed to
112 'stream-based' compression algorithms.
113<P>
114
115<P>
116<HR>
117
118<P>
119<!-- =========== FIELD SUMMARY =========== -->
120
121<A NAME="field_summary"><!-- --></A>
122<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
123<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
124<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
125<B>Field Summary</B></FONT></TH>
126</TR>
127</TABLE>
128&nbsp;<A NAME="fields_inherited_from_class_org.apache.hadoop.io.compress.DecompressorStream"><!-- --></A>
129<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
130<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
131<TH ALIGN="left"><B>Fields inherited from class org.apache.hadoop.io.compress.<A HREF="../../../../../org/apache/hadoop/io/compress/DecompressorStream.html" title="class in org.apache.hadoop.io.compress">DecompressorStream</A></B></TH>
132</TR>
133<TR BGCOLOR="white" CLASS="TableRowColor">
134<TD><CODE><A HREF="../../../../../org/apache/hadoop/io/compress/DecompressorStream.html#buffer">buffer</A>, <A HREF="../../../../../org/apache/hadoop/io/compress/DecompressorStream.html#closed">closed</A>, <A HREF="../../../../../org/apache/hadoop/io/compress/DecompressorStream.html#decompressor">decompressor</A>, <A HREF="../../../../../org/apache/hadoop/io/compress/DecompressorStream.html#eof">eof</A></CODE></TD>
135</TR>
136</TABLE>
137&nbsp;<A NAME="fields_inherited_from_class_org.apache.hadoop.io.compress.CompressionInputStream"><!-- --></A>
138<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
139<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
140<TH ALIGN="left"><B>Fields inherited from class org.apache.hadoop.io.compress.<A HREF="../../../../../org/apache/hadoop/io/compress/CompressionInputStream.html" title="class in org.apache.hadoop.io.compress">CompressionInputStream</A></B></TH>
141</TR>
142<TR BGCOLOR="white" CLASS="TableRowColor">
143<TD><CODE><A HREF="../../../../../org/apache/hadoop/io/compress/CompressionInputStream.html#in">in</A></CODE></TD>
144</TR>
145</TABLE>
146&nbsp;
147<!-- ======== CONSTRUCTOR SUMMARY ======== -->
148
149<A NAME="constructor_summary"><!-- --></A>
150<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
151<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
152<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
153<B>Constructor Summary</B></FONT></TH>
154</TR>
155<TR BGCOLOR="white" CLASS="TableRowColor">
156<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
157<CODE>protected </CODE></FONT></TD>
158<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/io/compress/BlockDecompressorStream.html#BlockDecompressorStream(java.io.InputStream)">BlockDecompressorStream</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/io/InputStream.html?is-external=true" title="class or interface in java.io">InputStream</A>&nbsp;in)</CODE>
159
160<BR>
161&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
162</TR>
163<TR BGCOLOR="white" CLASS="TableRowColor">
164<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
165<CODE>&nbsp;</CODE></FONT></TD>
166<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/io/compress/BlockDecompressorStream.html#BlockDecompressorStream(java.io.InputStream, org.apache.hadoop.io.compress.Decompressor)">BlockDecompressorStream</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/io/InputStream.html?is-external=true" title="class or interface in java.io">InputStream</A>&nbsp;in,
167                        <A HREF="../../../../../org/apache/hadoop/io/compress/Decompressor.html" title="interface in org.apache.hadoop.io.compress">Decompressor</A>&nbsp;decompressor)</CODE>
168
169<BR>
170&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Create a <A HREF="../../../../../org/apache/hadoop/io/compress/BlockDecompressorStream.html" title="class in org.apache.hadoop.io.compress"><CODE>BlockDecompressorStream</CODE></A>.</TD>
171</TR>
172<TR BGCOLOR="white" CLASS="TableRowColor">
173<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
174<CODE>&nbsp;</CODE></FONT></TD>
175<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/io/compress/BlockDecompressorStream.html#BlockDecompressorStream(java.io.InputStream, org.apache.hadoop.io.compress.Decompressor, int)">BlockDecompressorStream</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/io/InputStream.html?is-external=true" title="class or interface in java.io">InputStream</A>&nbsp;in,
176                        <A HREF="../../../../../org/apache/hadoop/io/compress/Decompressor.html" title="interface in org.apache.hadoop.io.compress">Decompressor</A>&nbsp;decompressor,
177                        int&nbsp;bufferSize)</CODE>
178
179<BR>
180&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Create a <A HREF="../../../../../org/apache/hadoop/io/compress/BlockDecompressorStream.html" title="class in org.apache.hadoop.io.compress"><CODE>BlockDecompressorStream</CODE></A>.</TD>
181</TR>
182</TABLE>
183&nbsp;
184<!-- ========== METHOD SUMMARY =========== -->
185
186<A NAME="method_summary"><!-- --></A>
187<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
188<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
189<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
190<B>Method Summary</B></FONT></TH>
191</TR>
192<TR BGCOLOR="white" CLASS="TableRowColor">
193<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
194<CODE>protected &nbsp;int</CODE></FONT></TD>
195<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/io/compress/BlockDecompressorStream.html#decompress(byte[], int, int)">decompress</A></B>(byte[]&nbsp;b,
196           int&nbsp;off,
197           int&nbsp;len)</CODE>
198
199<BR>
200&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
201</TR>
202<TR BGCOLOR="white" CLASS="TableRowColor">
203<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
204<CODE>protected &nbsp;void</CODE></FONT></TD>
205<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/io/compress/BlockDecompressorStream.html#getCompressedData()">getCompressedData</A></B>()</CODE>
206
207<BR>
208&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
209</TR>
210<TR BGCOLOR="white" CLASS="TableRowColor">
211<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
212<CODE>&nbsp;void</CODE></FONT></TD>
213<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/io/compress/BlockDecompressorStream.html#resetState()">resetState</A></B>()</CODE>
214
215<BR>
216&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Reset the decompressor to its initial state and discard any buffered data,
217 as the underlying stream may have been repositioned.</TD>
218</TR>
219</TABLE>
220&nbsp;<A NAME="methods_inherited_from_class_org.apache.hadoop.io.compress.DecompressorStream"><!-- --></A>
221<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
222<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
223<TH ALIGN="left"><B>Methods inherited from class org.apache.hadoop.io.compress.<A HREF="../../../../../org/apache/hadoop/io/compress/DecompressorStream.html" title="class in org.apache.hadoop.io.compress">DecompressorStream</A></B></TH>
224</TR>
225<TR BGCOLOR="white" CLASS="TableRowColor">
226<TD><CODE><A HREF="../../../../../org/apache/hadoop/io/compress/DecompressorStream.html#available()">available</A>, <A HREF="../../../../../org/apache/hadoop/io/compress/DecompressorStream.html#checkStream()">checkStream</A>, <A HREF="../../../../../org/apache/hadoop/io/compress/DecompressorStream.html#close()">close</A>, <A HREF="../../../../../org/apache/hadoop/io/compress/DecompressorStream.html#mark(int)">mark</A>, <A HREF="../../../../../org/apache/hadoop/io/compress/DecompressorStream.html#markSupported()">markSupported</A>, <A HREF="../../../../../org/apache/hadoop/io/compress/DecompressorStream.html#read()">read</A>, <A HREF="../../../../../org/apache/hadoop/io/compress/DecompressorStream.html#read(byte[], int, int)">read</A>, <A HREF="../../../../../org/apache/hadoop/io/compress/DecompressorStream.html#reset()">reset</A>, <A HREF="../../../../../org/apache/hadoop/io/compress/DecompressorStream.html#skip(long)">skip</A></CODE></TD>
227</TR>
228</TABLE>
229&nbsp;<A NAME="methods_inherited_from_class_java.io.InputStream"><!-- --></A>
230<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
231<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
232<TH ALIGN="left"><B>Methods inherited from class java.io.<A HREF="http://java.sun.com/javase/6/docs/api/java/io/InputStream.html?is-external=true" title="class or interface in java.io">InputStream</A></B></TH>
233</TR>
234<TR BGCOLOR="white" CLASS="TableRowColor">
235<TD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/io/InputStream.html?is-external=true#read(byte[])" title="class or interface in java.io">read</A></CODE></TD>
236</TR>
237</TABLE>
238&nbsp;<A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A>
239<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
240<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
241<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>
242</TR>
243<TR BGCOLOR="white" CLASS="TableRowColor">
244<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#toString()" title="class or interface in java.lang">toString</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>
245</TR>
246</TABLE>
247&nbsp;
248<P>
249
250<!-- ========= CONSTRUCTOR DETAIL ======== -->
251
252<A NAME="constructor_detail"><!-- --></A>
253<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
254<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
255<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">
256<B>Constructor Detail</B></FONT></TH>
257</TR>
258</TABLE>
259
260<A NAME="BlockDecompressorStream(java.io.InputStream, org.apache.hadoop.io.compress.Decompressor, int)"><!-- --></A><H3>
261BlockDecompressorStream</H3>
262<PRE>
263public <B>BlockDecompressorStream</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/io/InputStream.html?is-external=true" title="class or interface in java.io">InputStream</A>&nbsp;in,
264                               <A HREF="../../../../../org/apache/hadoop/io/compress/Decompressor.html" title="interface in org.apache.hadoop.io.compress">Decompressor</A>&nbsp;decompressor,
265                               int&nbsp;bufferSize)</PRE>
266<DL>
267<DD>Create a <A HREF="../../../../../org/apache/hadoop/io/compress/BlockDecompressorStream.html" title="class in org.apache.hadoop.io.compress"><CODE>BlockDecompressorStream</CODE></A>.
268<P>
269<DL>
270<DT><B>Parameters:</B><DD><CODE>in</CODE> - input stream<DD><CODE>decompressor</CODE> - decompressor to use<DD><CODE>bufferSize</CODE> - size of buffer</DL>
271</DL>
272<HR>
273
274<A NAME="BlockDecompressorStream(java.io.InputStream, org.apache.hadoop.io.compress.Decompressor)"><!-- --></A><H3>
275BlockDecompressorStream</H3>
276<PRE>
277public <B>BlockDecompressorStream</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/io/InputStream.html?is-external=true" title="class or interface in java.io">InputStream</A>&nbsp;in,
278                               <A HREF="../../../../../org/apache/hadoop/io/compress/Decompressor.html" title="interface in org.apache.hadoop.io.compress">Decompressor</A>&nbsp;decompressor)</PRE>
279<DL>
280<DD>Create a <A HREF="../../../../../org/apache/hadoop/io/compress/BlockDecompressorStream.html" title="class in org.apache.hadoop.io.compress"><CODE>BlockDecompressorStream</CODE></A>.
281<P>
282<DL>
283<DT><B>Parameters:</B><DD><CODE>in</CODE> - input stream<DD><CODE>decompressor</CODE> - decompressor to use</DL>
284</DL>
285<HR>
286
287<A NAME="BlockDecompressorStream(java.io.InputStream)"><!-- --></A><H3>
288BlockDecompressorStream</H3>
289<PRE>
290protected <B>BlockDecompressorStream</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/io/InputStream.html?is-external=true" title="class or interface in java.io">InputStream</A>&nbsp;in)</PRE>
291<DL>
292</DL>
293
294<!-- ============ METHOD DETAIL ========== -->
295
296<A NAME="method_detail"><!-- --></A>
297<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
298<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
299<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">
300<B>Method Detail</B></FONT></TH>
301</TR>
302</TABLE>
303
304<A NAME="decompress(byte[], int, int)"><!-- --></A><H3>
305decompress</H3>
306<PRE>
307protected int <B>decompress</B>(byte[]&nbsp;b,
308                         int&nbsp;off,
309                         int&nbsp;len)
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><DL>
313<DT><B>Overrides:</B><DD><CODE><A HREF="../../../../../org/apache/hadoop/io/compress/DecompressorStream.html#decompress(byte[], int, int)">decompress</A></CODE> in class <CODE><A HREF="../../../../../org/apache/hadoop/io/compress/DecompressorStream.html" title="class in org.apache.hadoop.io.compress">DecompressorStream</A></CODE></DL>
314</DD>
315<DD><DL>
316
317<DT><B>Throws:</B>
318<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>
319</DD>
320</DL>
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322
323<A NAME="getCompressedData()"><!-- --></A><H3>
324getCompressedData</H3>
325<PRE>
326protected void <B>getCompressedData</B>()
327                          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>
328<DL>
329<DD><DL>
330<DT><B>Overrides:</B><DD><CODE><A HREF="../../../../../org/apache/hadoop/io/compress/DecompressorStream.html#getCompressedData()">getCompressedData</A></CODE> in class <CODE><A HREF="../../../../../org/apache/hadoop/io/compress/DecompressorStream.html" title="class in org.apache.hadoop.io.compress">DecompressorStream</A></CODE></DL>
331</DD>
332<DD><DL>
333
334<DT><B>Throws:</B>
335<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>
336</DD>
337</DL>
338<HR>
339
340<A NAME="resetState()"><!-- --></A><H3>
341resetState</H3>
342<PRE>
343public void <B>resetState</B>()
344                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>
345<DL>
346<DD><B>Description copied from class: <CODE><A HREF="../../../../../org/apache/hadoop/io/compress/CompressionInputStream.html#resetState()">CompressionInputStream</A></CODE></B></DD>
347<DD>Reset the decompressor to its initial state and discard any buffered data,
348 as the underlying stream may have been repositioned.
349<P>
350<DD><DL>
351<DT><B>Overrides:</B><DD><CODE><A HREF="../../../../../org/apache/hadoop/io/compress/DecompressorStream.html#resetState()">resetState</A></CODE> in class <CODE><A HREF="../../../../../org/apache/hadoop/io/compress/DecompressorStream.html" title="class in org.apache.hadoop.io.compress">DecompressorStream</A></CODE></DL>
352</DD>
353<DD><DL>
354
355<DT><B>Throws:</B>
356<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>
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