index.html

一个java实现的R树

<A HREF="../rtree/AbstractNode.html#deleteData(int)">deleteData</A>, 
<A HREF="../rtree/AbstractNode.html#getHyperCubes()">getHyperCubes</A>, 
<A HREF="../rtree/AbstractNode.html#getLevel()">getLevel</A>, 
<A HREF="../rtree/AbstractNode.html#getNodeMbb()">getNodeMbb</A>, 
<A HREF="../rtree/AbstractNode.html#getParent()">getParent</A>, 
<A HREF="../rtree/AbstractNode.html#getUniqueId()">getUniqueId</A>, 
<A HREF="../rtree/AbstractNode.html#isIndex()">isIndex</A>, 
<A HREF="../rtree/AbstractNode.html#isLeaf()">isLeaf</A>, 
<A HREF="../rtree/AbstractNode.html#isRoot()">isRoot</A>, 
<A HREF="../rtree/AbstractNode.html#pickSeeds()">pickSeeds</A>, 
<A HREF="../rtree/AbstractNode.html#quadraticSplit(rtree.HyperCube, int)">quadraticSplit</A>, 
<A HREF="../rtree/AbstractNode.html#toString()">toString</A></CODE></TD>
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<TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%">
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<TD><B>Methods inherited from class java.lang.Object</B></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE>clone, 
equals, 
finalize, 
getClass, 
hashCode, 
notify, 
notifyAll, 
wait, 
wait, 
wait</CODE></TD>
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<B>Constructor Detail</B></FONT></TD>
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<A NAME="Index(rtree.RTree, int, int, int)"><!-- --></A><H3>
Index</H3>
<PRE>
protected <B>Index</B>(<A HREF="../rtree/RTree.html">RTree</A>&nbsp;tree,
                int&nbsp;parent,
                int&nbsp;pageNumber,
                int&nbsp;level)</PRE>
<DL>
</DL>

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<A NAME="chooseLeaf(rtree.HyperCube)"><!-- --></A><H3>
chooseLeaf</H3>
<PRE>
protected <A HREF="../rtree/Leaf.html">Leaf</A> <B>chooseLeaf</B>(<A HREF="../rtree/HyperCube.html">HyperCube</A>&nbsp;h)</PRE>
<DL>
<DD><B>Description copied from class: <A HREF="../rtree/AbstractNode.html">AbstractNode</A></B></DD>
<DD>chooseLeaf finds the most appropriate leaf where the given HyperCube should be stored.<DD><DL>
<DT><B>Overrides:</B><DD><A HREF="../rtree/AbstractNode.html#chooseLeaf(rtree.HyperCube)">chooseLeaf</A> in class <A HREF="../rtree/AbstractNode.html">AbstractNode</A></DL>
</DD>
<DD><B>Tags copied from class: <A HREF="../rtree/AbstractNode.html">AbstractNode</A></B></DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>h</CODE> - The new HyperCube.<DT><B>Returns:</B><DD>The leaf where the new HyperCube should be inserted.</DL>
</DD>
</DL>
<HR>

<A NAME="findLeaf(rtree.HyperCube)"><!-- --></A><H3>
findLeaf</H3>
<PRE>
protected <A HREF="../rtree/Leaf.html">Leaf</A> <B>findLeaf</B>(<A HREF="../rtree/HyperCube.html">HyperCube</A>&nbsp;h)</PRE>
<DL>
<DD><B>Description copied from class: <A HREF="../rtree/AbstractNode.html">AbstractNode</A></B></DD>
<DD>findLeaf returns the leaf that contains the given hypercube, null if the hypercube is not
 contained in any of the leaves of this node.<DD><DL>
<DT><B>Overrides:</B><DD><A HREF="../rtree/AbstractNode.html#findLeaf(rtree.HyperCube)">findLeaf</A> in class <A HREF="../rtree/AbstractNode.html">AbstractNode</A></DL>
</DD>
<DD><B>Tags copied from class: <A HREF="../rtree/AbstractNode.html">AbstractNode</A></B></DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>h</CODE> - The HyperCube to search for.<DT><B>Returns:</B><DD>The leaf where the HyperCube is contained, null if such a leaf is not found.</DL>
</DD>
</DL>
<HR>

<A NAME="insert(rtree.AbstractNode)"><!-- --></A><H3>
insert</H3>
<PRE>
protected boolean <B>insert</B>(<A HREF="../rtree/AbstractNode.html">AbstractNode</A>&nbsp;node)</PRE>
<DL>
<DD>Inserts a new node into the tree. If enought space is available
 the insertion is straighforward. If not, a split must occur.<DD><DL>
<DT><B>Parameters:</B><DD><CODE>node</CODE> - The node that should be inserted.<DT><B>Returns:</B><DD>True if a split occurred, false otherwise.</DL>
</DD>
</DL>
<HR>

<A NAME="adjustTree(rtree.AbstractNode, rtree.AbstractNode)"><!-- --></A><H3>
adjustTree</H3>
<PRE>
protected void <B>adjustTree</B>(<A HREF="../rtree/AbstractNode.html">AbstractNode</A>&nbsp;n1,
                          <A HREF="../rtree/AbstractNode.html">AbstractNode</A>&nbsp;n2)</PRE>
<DL>
<DD>Called by insert to adjust the parents of the node that was modified by the insertion. Stops
 when it reaches the root.<DD><DL>
<DT><B>Parameters:</B><DD><CODE>n1</CODE> - The child node that caused the need for adjustment.<DD><CODE>n2</CODE> - If a split occured in the child node, this is the new node that must be inserted. 
             Otherwise, this is null.</DL>
</DD>
</DL>
<HR>

<A NAME="getChild(int)"><!-- --></A><H3>
getChild</H3>
<PRE>
public <A HREF="../rtree/AbstractNode.html">AbstractNode</A> <B>getChild</B>(int&nbsp;i)</PRE>
<DL>
<DD>Retrieves the <B>i-th</B> child node. Loads one page into main memory.<DD><DL>
<DT><B>Parameters:</B><DD><CODE>i</CODE> - The index of the child in the data array.<DT><B>Returns:</B><DD>The i-th child.</DL>
</DD>
</DL>
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