persistentpagefile.html

一个java实现的R树

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<CODE>protected &nbsp;<A HREF="../rtree/AbstractNode.html">AbstractNode</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../rtree/PersistentPageFile.html#readNode(int)">readNode</A></B>(int&nbsp;page)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns the node stored in the requested page.</TD>
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<CODE>protected &nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../rtree/PersistentPageFile.html#writeNode(rtree.AbstractNode)">writeNode</A></B>(<A HREF="../rtree/AbstractNode.html">AbstractNode</A>&nbsp;n)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Writes the node into the first available page and returns that page.</TD>
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<TD><B>Methods inherited from class java.lang.Object</B></TD>
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<TD><CODE>clone, 
equals, 
getClass, 
hashCode, 
notify, 
notifyAll, 
toString, 
wait, 
wait, 
wait</CODE></TD>
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<A NAME="EMPTY_PAGE"><!-- --></A><H3>
EMPTY_PAGE</H3>
<PRE>
public static final int <B>EMPTY_PAGE</B></PRE>
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<A NAME="PersistentPageFile()"><!-- --></A><H3>
PersistentPageFile</H3>
<PRE>
public <B>PersistentPageFile</B>()</PRE>
<DL>
</DL>
<HR>

<A NAME="PersistentPageFile(java.lang.String)"><!-- --></A><H3>
PersistentPageFile</H3>
<PRE>
public <B>PersistentPageFile</B>(java.lang.String&nbsp;fileName)</PRE>
<DL>
</DL>

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<A NAME="initialize(rtree.RTree, int, float, int, int)"><!-- --></A><H3>
initialize</H3>
<PRE>
protected void <B>initialize</B>(<A HREF="../rtree/RTree.html">RTree</A>&nbsp;tree,
                          int&nbsp;dimension,
                          float&nbsp;fillFactor,
                          int&nbsp;capacity,
                          int&nbsp;treeType)</PRE>
<DL>
<DD><DL>
<DT><B>Overrides:</B><DD><A HREF="../rtree/PageFile.html#initialize(rtree.RTree, int, float, int, int)">initialize</A> in class <A HREF="../rtree/PageFile.html">PageFile</A></DL>
</DD>
</DL>
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<A NAME="finalize()"><!-- --></A><H3>
finalize</H3>
<PRE>
protected void <B>finalize</B>()
                 throws java.lang.Throwable</PRE>
<DL>
<DD><DL>
<DT><B>Overrides:</B><DD><A HREF="../rtree/PageFile.html#finalize()">finalize</A> in class <A HREF="../rtree/PageFile.html">PageFile</A></DL>
</DD>
</DL>
<HR>

<A NAME="readNode(int)"><!-- --></A><H3>
readNode</H3>
<PRE>
protected <A HREF="../rtree/AbstractNode.html">AbstractNode</A> <B>readNode</B>(int&nbsp;page)
                         throws <A HREF="../rtree/PageFaultError.html">PageFaultError</A></PRE>
<DL>
<DD><B>Description copied from class: <A HREF="../rtree/PageFile.html">PageFile</A></B></DD>
<DD>Returns the node stored in the requested page.<DD><DL>
<DT><B>Overrides:</B><DD><A HREF="../rtree/PageFile.html#readNode(int)">readNode</A> in class <A HREF="../rtree/PageFile.html">PageFile</A></DL>
</DD>
</DL>
<HR>

<A NAME="writeNode(rtree.AbstractNode)"><!-- --></A><H3>
writeNode</H3>
<PRE>
protected int <B>writeNode</B>(<A HREF="../rtree/AbstractNode.html">AbstractNode</A>&nbsp;n)
                 throws <A HREF="../rtree/PageFaultError.html">PageFaultError</A></PRE>
<DL>
<DD><B>Description copied from class: <A HREF="../rtree/PageFile.html">PageFile</A></B></DD>
<DD>Writes the node into the first available page and returns that page.<DD><DL>
<DT><B>Overrides:</B><DD><A HREF="../rtree/PageFile.html#writeNode(rtree.AbstractNode)">writeNode</A> in class <A HREF="../rtree/PageFile.html">PageFile</A></DL>
</DD>
</DL>
<HR>

<A NAME="deletePage(int)"><!-- --></A><H3>
deletePage</H3>
<PRE>
protected <A HREF="../rtree/AbstractNode.html">AbstractNode</A> <B>deletePage</B>(int&nbsp;page)
                           throws <A HREF="../rtree/PageFaultError.html">PageFaultError</A></PRE>
<DL>
<DD><B>Description copied from class: <A HREF="../rtree/PageFile.html">PageFile</A></B></DD>
<DD>Marks a specific page as empty.<DD><DL>
<DT><B>Overrides:</B><DD><A HREF="../rtree/PageFile.html#deletePage(int)">deletePage</A> in class <A HREF="../rtree/PageFile.html">PageFile</A></DL>
</DD>
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