tree

Class PlaceKeysValuesInArrayLists<K,V>

java.lang.Object

tree.PlaceKeysValuesInArrayLists<K,V>

Type Parameters:

K -

V -

All Implemented Interfaces:

TraversalTask<K,V>

public class PlaceKeysValuesInArrayLists<K,V>
extends java.lang.Object
implements TraversalTask<K,V>

This task places key/values in two arrays in the order in which the key/values are seen during the traversal. If no keys/values are found the ArrayList will be empty (constructor creates two empty ArrayLists).

Constructor Summary

Constructors

Constructor and Description
PlaceKeysValuesInArrayLists() Creates two ArrayList objects: one for the keys and one for the values.

Method Summary

Methods

Modifier and Type	Method and Description
java.util.ArrayList<K>	getKeys() Returns reference to ArrayList holding keys.
java.util.ArrayList<V>	getValues() Returns reference to ArrayList holiding values.
void	performTask(K key, V value) Adds key/value to the corresponding ArrayLists.

Methods inherited from class java.lang.Object

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

Constructor Detail

PlaceKeysValuesInArrayLists

public PlaceKeysValuesInArrayLists()

Creates two ArrayList objects: one for the keys and one for the values.

Method Detail

performTask

public void performTask(K key,
               V value)

Adds key/value to the corresponding ArrayLists.

Specified by:

performTask in interface TraversalTask<K,V>

getKeys

public java.util.ArrayList<K> getKeys()

Returns reference to ArrayList holding keys.

Returns:

ArrayList

getValues

public java.util.ArrayList<V> getValues()

Returns reference to ArrayList holiding values.

Returns:

ArrayList