/doc/javadoc/mdfs/namenode/io/DataNodeQuerier.html

https://bitbucket.org/crholm/mdfs · HTML · 290 lines · 234 code · 34 blank · 22 comment · 0 complexity · 358da5df7e5d09d6ca2044c79e049d1c MD5 · raw file 

    

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  91. mdfs.namenode.io</FONT>
    92. 

  92. <BR>
    93. 

  93. Class DataNodeQuerier</H2>
    94. 

  94. <PRE>
    95. 

  95. java.lang.Object
    96. 

  96.   <IMG SRC="../../../resources/inherit.gif" ALT="extended by "><B>mdfs.namenode.io.DataNodeQuerier</B>
    97. 

  97. </PRE>
    98. 

  98. <DL>
    99. 

  99. <DT><B>All Implemented Interfaces:</B> <DD>java.lang.Runnable</DD>
    100. 

  100. </DL>
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  101. <HR>
    102. 

  102. <DL>
    103. 

  103. <DT><PRE>public class <B>DataNodeQuerier</B><DT>extends java.lang.Object<DT>implements java.lang.Runnable</DL>
    104. 

  104. </PRE>
    105. 

  105. 

  106. <P>
    107. 

  107. This object quries diffrent datanodes. It provides a way for the name node to tell the datanodes what to do.
    108. 

  108. <P>
    109. 

  109. 

  110. <P>
    111. 

  111. <DL>
    112. 

  112. <DT><B>Author:</B></DT>
    113. 

  113.   <DD>Rasmus Holm</DD>
    114. 

  114. </DL>
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  116. 

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  119. <!-- ======== CONSTRUCTOR SUMMARY ======== -->
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  123. <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
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  125. <B>Constructor Summary</B></FONT></TH>
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  126. </TR>
    127. 

  127. <TR BGCOLOR="white" CLASS="TableRowColor">
    128. 

  128. <TD><CODE><B><A HREF="../../../mdfs/namenode/io/DataNodeQuerier.html#DataNodeQuerier()">DataNodeQuerier</A></B>()</CODE>
    129. 

  129. 

  130. <BR>
    131. 

  131. &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
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    144. 

  144. <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
    145. 

  145. <CODE>&nbsp;void</CODE></FONT></TD>
    146. 

  146. <TD><CODE><B><A HREF="../../../mdfs/namenode/io/DataNodeQuerier.html#removeData(mdfs.namenode.repositories.MetaDataRepositoryNode)">removeData</A></B>(<A HREF="../../../mdfs/namenode/repositories/MetaDataRepositoryNode.html" title="class in mdfs.namenode.repositories">MetaDataRepositoryNode</A>&nbsp;node)</CODE>
    147. 

  147. 

  148. <BR>
    149. 

  149. &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;This method will remove all raw data that are deposited on the diffrent datanodes from them.</TD>
    150. 

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    151. 

  151. <TR BGCOLOR="white" CLASS="TableRowColor">
    152. 

  152. <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
    153. 

  153. <CODE>&nbsp;void</CODE></FONT></TD>
    154. 

  154. <TD><CODE><B><A HREF="../../../mdfs/namenode/io/DataNodeQuerier.html#run()">run</A></B>()</CODE>
    155. 

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    163. 

  163. <TH ALIGN="left"><B>Methods inherited from class java.lang.Object</B></TH>
    164. 

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    166. 

  166. <TD><CODE>equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</CODE></TD>
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    178. 

  178. <B>Constructor Detail</B></FONT></TH>
    179. 

  179. </TR>
    180. 

  180. </TABLE>
    181. 

  181. 

  182. <A NAME="DataNodeQuerier()"><!-- --></A><H3>
    183. 

  183. DataNodeQuerier</H3>
    184. 

  184. <PRE>
    185. 

  185. public <B>DataNodeQuerier</B>()</PRE>
    186. 

  186. <DL>
    187. 

  187. </DL>
    188. 

  188. 

  189. <!-- ============ METHOD DETAIL ========== -->
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  195. <B>Method Detail</B></FONT></TH>
    196. 

  196. </TR>
    197. 

  197. </TABLE>
    198. 

  198. 

  199. <A NAME="removeData(mdfs.namenode.repositories.MetaDataRepositoryNode)"><!-- --></A><H3>
    200. 

  200. removeData</H3>
    201. 

  201. <PRE>
    202. 

  202. public void <B>removeData</B>(<A HREF="../../../mdfs/namenode/repositories/MetaDataRepositoryNode.html" title="class in mdfs.namenode.repositories">MetaDataRepositoryNode</A>&nbsp;node)</PRE>
    203. 

  203. <DL>
    204. 

  204. <DD>This method will remove all raw data that are deposited on the diffrent datanodes from them.
    205. 

  205. <P>
    206. 

  206. <DD><DL>
    207. 

  207. </DL>
    208. 

  208. </DD>
    209. 

  209. <DD><DL>
    210. 

  210. <DT><B>Parameters:</B><DD><CODE>node</CODE> - contains the metadata of the file that is to be removed</DL>
    211. 

  211. </DD>
    212. 

  212. </DL>
    213. 

  213. <HR>
    214. 

  214. 

  215. <A NAME="run()"><!-- --></A><H3>
    216. 

  216. run</H3>
    217. 

  217. <PRE>
    218. 

  218. public void <B>run</B>()</PRE>
    219. 

  219. <DL>
    220. 

  220. <DD><DL>
    221. 

  221. <DT><B>Specified by:</B><DD><CODE>run</CODE> in interface <CODE>java.lang.Runnable</CODE></DL>
    222. 

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