org.beangle.commons.entity.util

Class HierarchyEntityUtils

java.lang.Object

org.beangle.commons.entity.util.HierarchyEntityUtils

public final class HierarchyEntityUtils
extends Object

HierarchyEntityUtils class.

Version:

$Id: $

Author:

chaostone

Constructor Summary

Constructors

Constructor and Description
HierarchyEntityUtils()

Method Summary

Modifier and Type	Method and Description
static <T extends HierarchyEntity<T,?>> void	addParent(Collection<T> nodes) addParent.
static <T extends HierarchyEntity<T,?>> void	addParent(Collection<T> nodes, T toRoot) addParent.
static <T extends HierarchyEntity<T,?>> Set<T>	getFamily(T root) 得到给定节点的所有家族结点，包括自身
static <T extends HierarchyEntity<T,?>> List<T>	getPath(T node) Get the path from current node to root.
static <T extends HierarchyEntity<T,?>> List<T>	getRoots(List<T> nodes) getRoots.
static <T extends HierarchyEntity<T,?>> Map<T,String>	sort(List<T> datas) 按照上下关系排序
static <T extends HierarchyEntity<T,?>> Map<T,String>	sort(List<T> datas, String property) 按照上下关系和指定属性排序
static <T extends HierarchyEntity<T,?>> Map<T,String>	tag(List<T> datas, String property) tag.

Methods inherited from class java.lang.Object

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

Constructor Detail

HierarchyEntityUtils

public HierarchyEntityUtils()

Method Detail

getFamily

public static <T extends HierarchyEntity<T,?>> Set<T> getFamily(T root)

得到给定节点的所有家族结点，包括自身

Type Parameters:

T - a T object.

Parameters:

root - 指定根节点

Returns:

包含自身的家族节点集合

sort

public static <T extends HierarchyEntity<T,?>> Map<T,String> sort(List<T> datas)

按照上下关系排序

Type Parameters:

T - a T object.

Parameters:

datas - a List object.

Returns:

a Map object.

sort

public static <T extends HierarchyEntity<T,?>> Map<T,String> sort(List<T> datas,
                                                                  String property)

按照上下关系和指定属性排序

Type Parameters:

T - a T object.

Parameters:

datas - a List object.

property - a String object.

Returns:

a Map object.

tag

public static <T extends HierarchyEntity<T,?>> Map<T,String> tag(List<T> datas,
                                                                 String property)

tag.

Type Parameters:

T - a T object.

Parameters:

datas - a List object.

property - a String object.

Returns:

a Map object.

getRoots

public static <T extends HierarchyEntity<T,?>> List<T> getRoots(List<T> nodes)

getRoots.

Type Parameters:

T - a T object.

Parameters:

nodes - a List object.

Returns:

a List object.

getPath

public static <T extends HierarchyEntity<T,?>> List<T> getPath(T node)

Get the path from current node to root. First element is current and last is root.

Parameters:

node - current node

Returns:

a List object.

addParent

public static <T extends HierarchyEntity<T,?>> void addParent(Collection<T> nodes)

addParent.

Type Parameters:

T - a T object.

Parameters:

nodes - a Collection object.

addParent

public static <T extends HierarchyEntity<T,?>> void addParent(Collection<T> nodes,
                                                              T toRoot)

addParent.

Type Parameters:

T - a T object.

Parameters:

nodes - a Collection object.

toRoot - a T object.