org.zkoss.pivot.impl
Class SimplePivotHeaderTree

java.lang.Object
  org.zkoss.pivot.impl.SimplePivotHeaderTree

All Implemented Interfaces:

PivotHeaderTree

public class SimplePivotHeaderTree
extends java.lang.Object
implements PivotHeaderTree

A simple implementation of PivotHeaderTree

Author:

simonpai

Constructor Summary

SimplePivotHeaderTree(PivotField[] fields)
Construct an empty tree

Method Summary

int	getDepth() Returns the depth of the tree.
SimplePivotHeaderNode	getRoot() Returns the root of the tree.
void	sort() Sort the tree nodes by node keys, using natural ordering.
void	sort(java.util.Comparator<PivotHeaderNode> comparator) Sort the tree nodes by node keys, using given comparator

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

SimplePivotHeaderTree

public SimplePivotHeaderTree(PivotField[] fields)

Construct an empty tree

Parameters:

fields - the fields of each level

Method Detail

sort

public void sort()

Sort the tree nodes by node keys, using natural ordering.

sort

public void sort(java.util.Comparator<PivotHeaderNode> comparator)

Sort the tree nodes by node keys, using given comparator

getDepth

public int getDepth()

Description copied from interface: PivotHeaderTree

Returns the depth of the tree.

Specified by:

getDepth in interface PivotHeaderTree

getRoot

public SimplePivotHeaderNode getRoot()

Description copied from interface: PivotHeaderTree

Returns the root of the tree.

Specified by:

getRoot in interface PivotHeaderTree

See Also:

PivotHeaderNode