de.westemeyer.plugins.multiselect

Class MultiselectDecisionItem

java.lang.Object

de.westemeyer.plugins.multiselect.MultiselectDecisionItem

All Implemented Interfaces:

Serializable

public class MultiselectDecisionItem
extends Object
implements Serializable

Multiselect decision item will be the individual select box row to use in decision tree.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
MultiselectDecisionItem(MultiselectDecisionItem parent, String label, String value) Create a new decision item with label and value.

Method Summary

Modifier and Type	Method and Description
List<MultiselectDecisionItem>	getChildren() Get children for this item.
String	getDisplayLabel() Get display label for this item.
String	getLabel() Get label for this item.
MultiselectDecisionItem	getParent() Get parent for this item.
String	getValue() Get value for this item.
boolean	isLeaf() Whether the item is a leaf item at the rightmost column
boolean	isRoot() Whether the item is at the root of the tree.
void	setChildren(List<MultiselectDecisionItem> children) Set children for this item.
void	setValue(String value) Set value for this item.
String	toString()
static void	visitSelectedItems(MultiselectDecisionItemVisitor visitor, List<MultiselectDecisionItem> items, Queue<MultiselectVariableDescriptor> columns, Queue<Integer> itemPath) Static visitor pattern implementation to walk through the tree collecting information.
void	visitSelectedItems(MultiselectDecisionItemVisitor visitor, Queue<MultiselectVariableDescriptor> columns, Queue<Integer> itemPath) Visitor pattern implementation to walk through the tree collecting information.
static void	visitSubTree(MultiselectDecisionItemVisitor visitor, List<MultiselectDecisionItem> items, Queue<MultiselectVariableDescriptor> columns) Static visitor pattern implementation to walk through the tree collecting information.
void	visitSubTree(MultiselectDecisionItemVisitor visitor, Queue<MultiselectVariableDescriptor> columns) Visitor pattern implementation to walk through the tree collecting information.

Methods inherited from class java.lang.Object

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

Constructor Detail

MultiselectDecisionItem

public MultiselectDecisionItem(MultiselectDecisionItem parent,
                               String label,
                               String value)

Create a new decision item with label and value.

Parameters:

parent - parent item to traverse tree backwards

label - label for display in selection list

value - value for use in variable

Method Detail

visitSubTree

public void visitSubTree(MultiselectDecisionItemVisitor visitor,
                         Queue<MultiselectVariableDescriptor> columns)
                  throws Exception

Visitor pattern implementation to walk through the tree collecting information.

Parameters:

visitor - visitor object or lambda collecting information

columns - column descriptions to go along with the items

Throws:

Exception - if an error occurs in visitor

visitSubTree

public static void visitSubTree(MultiselectDecisionItemVisitor visitor,
                                List<MultiselectDecisionItem> items,
                                Queue<MultiselectVariableDescriptor> columns)
                         throws Exception

Static visitor pattern implementation to walk through the tree collecting information.

Parameters:

visitor - visitor object or lambda collecting information

items - item list (column entries) to iterate

columns - column descriptions to go along with the items

Throws:

Exception - if an error occurs in visitor

visitSelectedItems

public void visitSelectedItems(MultiselectDecisionItemVisitor visitor,
                               Queue<MultiselectVariableDescriptor> columns,
                               Queue<Integer> itemPath)
                        throws Exception

Visitor pattern implementation to walk through the tree collecting information. Select the column items by their column index (no iteration involved).

Parameters:

visitor - visitor object or lambda collecting information

columns - column descriptions to go along with the items

itemPath - indices of items in columns to select and walk through

Throws:

Exception - if an error occurs in visitor

visitSelectedItems

public static void visitSelectedItems(MultiselectDecisionItemVisitor visitor,
                                      List<MultiselectDecisionItem> items,
                                      Queue<MultiselectVariableDescriptor> columns,
                                      Queue<Integer> itemPath)
                               throws Exception

Static visitor pattern implementation to walk through the tree collecting information. Select the column items by their column index (no iteration involved).

Parameters:

visitor - visitor object or lambda collecting information

items - item list (column entries) to iterate

columns - column descriptions to go along with the items

itemPath - indices of items in columns to select and walk through

Throws:

Exception - if an error occurs in visitor

getLabel

public String getLabel()

Get label for this item.

Returns:

label for this item

getValue

public String getValue()

Get value for this item.

Returns:

value for this item

setValue

public void setValue(String value)

Set value for this item.

Parameters:

value - value for this item

getChildren

public List<MultiselectDecisionItem> getChildren()

Get children for this item.

Returns:

children for this item

setChildren

public void setChildren(List<MultiselectDecisionItem> children)

Set children for this item.

Parameters:

children - children for this item

isRoot

public boolean isRoot()

Whether the item is at the root of the tree.

Returns:

whether the item is the root item

isLeaf

public boolean isLeaf()

Whether the item is a leaf item at the rightmost column

Returns:

whether the item is a leaf item at the rightmost column

getParent

public MultiselectDecisionItem getParent()

Get parent for this item.

Returns:

parent for this item

getDisplayLabel

public String getDisplayLabel()

Get display label for this item.

Returns:

display label for this item

toString

public String toString()

Overrides:

toString in class Object