HashTable (FB)

FUNCTION_BLOCK FINAL HashTable EXTENDS FBF.InstanceBase IMPLEMENTS IMap2, IModCounter

HashTable of IElements

InOut:

Scope	Name	Type	Comment
Input Const	paElements	POINTER TO KeyValuePair	Array of key value pairs. This array represents the ‘hash table’. Size: udiMaxElements
	paLinkedElements	POINTER TO KeyValuePair	Array of key value pairs. This array is used to store key values pairs with collisions. Size: udiMaxElements
	paIteratorElements	POINTER TO IElement	Array of IElements for the Iterator. Size: udiMaxElements
	udiMaxElements	UDINT	Maximum size of paElements and paIteratorElements

Methods:

AddKeyValuePair

ContainsKey

CountKeys

ElementCompareTo

ElementEquals

ElementHashCode

GetElementByKey

Keys

RemoveAllElements

RemoveByKey

Values

Structure:

• HashTable.AddKeyValuePair (METH)
• HashTable.ContainsKey (METH)
• HashTable.CountKeys (METH)
• HashTable.ElementCompareTo (METH)
• HashTable.ElementEquals (METH)
• HashTable.ElementHashCode (METH)
• HashTable.GetElementByKey (METH)
• HashTable.Keys (METH)
• HashTable.RemoveAllElements (METH)
• HashTable.RemoveByKey (METH)
• HashTable.Values (METH)