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BufferHeader
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SUMMARY: NESTED | <A HREF="#field_summary">FIELD</A> | <A HREF="#constructor_summary">CONSTR</A> | <A HREF="#method_summary">METHOD</A></FONT></TD>
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rtree</FONT>
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Class BufferHeader</H2>
<PRE>
java.lang.Object
<IMG SRC="../resources/inherit.gif" ALT="extended by"><B>rtree.BufferHeader</B>
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<DT> class <B>BufferHeader</B><DT>extends java.lang.Object</DL>
<P>
<b>A circular linked list of cached nodes using hashtable ?!!</b> <p>This class will wrap a list of recently used nodes. If the requested node is in <tt>Hashtable</tt> of the class then the node would be returned from the <tt>Hashtable</tt>, else it would be read from the disk. <br>This will be a static object in the class RTree. Therefore no matter how many RTree objects you create they all would have one cache for all the files the object handles. TODO : keep a set that keeps all the nodes that are dirty. With each node registering themselves hara when thhey are dity, this is maageable.
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<DT><B>Author:</B></DT> <DD>Prachuryya Barua</DD></DL>
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<CODE>(package private) java.util.Hashtable</CODE></FONT></TD>
<TD><CODE><B><A HREF="../rtree/BufferHeader.html#cache">cache</A></B></CODE>
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<CODE>(package private) int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../rtree/BufferHeader.html#last">last</A></B></CODE>
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<CODE>(package private) int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../rtree/BufferHeader.html#recent">recent</A></B></CODE>
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<CODE>(package private) int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../rtree/BufferHeader.html#size">size</A></B></CODE>
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<CODE>(package private)</CODE></FONT></TD>
<TD><CODE><B><A HREF="../rtree/BufferHeader.html#BufferHeader(int, java.util.Hashtable)">BufferHeader</A></B>(int size, java.util.Hashtable ch)</CODE>
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<CODE>(package private) void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../rtree/BufferHeader.html#flush()">flush</A></B>()</CODE>
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<CODE>(package private) void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../rtree/BufferHeader.html#put(int, rtree.Node)">put</A></B>(int key, <A HREF="../rtree/Node.html" title="class in rtree">Node</A> node)</CODE>
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<CODE>(package private) void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../rtree/BufferHeader.html#remove(int)">remove</A></B>(int key)</CODE>
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<CODE>(package private) void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../rtree/BufferHeader.html#replace(int, rtree.Node)">replace</A></B>(int key, <A HREF="../rtree/Node.html" title="class in rtree">Node</A> node)</CODE>
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<CODE>(package private) void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../rtree/BufferHeader.html#reset()">reset</A></B>()</CODE>
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<CODE>(package private) void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../rtree/BufferHeader.html#update(int)">update</A></B>(int key)</CODE>
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