Class TreeAccessorXItem

java.lang.Object

de.xima.fc.form.common.graph.TreeAccessorXItem

All Implemented Interfaces:

de.xima.cmn.graph.ITreeAccessor<XItem,String>

public final class TreeAccessorXItem
extends Object
implements de.xima.cmn.graph.ITreeAccessor<XItem,String>

A ITreeAccessor for XItem that accesses the children of an item. The hierarchy is specified by an item's parent ID. The ID is AXItemPropertiesData.getId().

Method Summary

Modifier and Type	Method	Description
List<XItem>	getChildren(XItem xItem)
String	getId(XItem xItem)
static de.xima.cmn.graph.ITreeAccessor<XItem,String>	ofChildMap(Map<String, ? extends List<XItem>> childMap)	Creates a new tree accessor for XItems using the given precomputed child map.
static de.xima.cmn.graph.ITreeAccessor<XItem,String>	ofXForm(IXForm xForm)	Creates a new tree accessor for the XItems of the given form.
static de.xima.cmn.graph.ITreeAccessor<XItem,String>	ofXItems(Iterable<XItem> xItems)	Creates a new tree accessor for the given XItems.

Methods inherited from class Object

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

Method Details

getChildren

public List<XItem> getChildren(XItem xItem)

Specified by:

getChildren in interface de.xima.cmn.graph.ITreeAccessor<XItem,String>

getId

public String getId(XItem xItem)

Specified by:

getId in interface de.xima.cmn.graph.ITreeAccessor<XItem,String>

ofChildMap

public static de.xima.cmn.graph.ITreeAccessor<XItem,String> ofChildMap(Map<String, ? extends List<XItem>> childMap)

Creates a new tree accessor for XItems using the given precomputed child map.

Parameters:

childMap - A map from the ID of an item to its children.

Returns:

A tree accessor for XItems.

ofXForm

public static de.xima.cmn.graph.ITreeAccessor<XItem,String> ofXForm(IXForm xForm)

Creates a new tree accessor for the XItems of the given form.

Parameters:

xForm - A form with XItems.

Returns:

A tree accessor for XItems.

ofXItems

public static de.xima.cmn.graph.ITreeAccessor<XItem,String> ofXItems(Iterable<XItem> xItems)

Creates a new tree accessor for the given XItems.

Parameters:

xItems - A list of items that form a hierarchy.

Returns:

A tree accessor for XItems.