VB.NET Wrapper Class: Hash

[cparker]

I did a little Googling and found out that VB.NET gives programmers an object called DictionaryBase. A Dictionary is really just another name for a Hash Table (in VB terms). This made my life a lot easier.

Although I haven't tested yet, I'm pretty positive my Hash and ArrayOfHash classes will work as intended.

I provide them here:

'''''''''
' Hash.vb
' Author: cparker
'
' NOTE: Only provides one-way communication, from server to client.
Imports System
Imports System.Collections

Public Class Hash
     Inherits System.Collections.DictionaryBase

Public Sub Populate(ByVal MyHash() As MyProject.MyWebReference.HashEntry)
          Dim i As Integer
          For i = 0 To MyHash.Length - 1
               Add(MyHash(i).key, MyHash(i).value)
          Next
     End Sub ' Populate

Default Public Property Item(ByVal key As String) As String
          Get
               Return CType(Dictionary(key), String)
          End Get
          Set(ByVal value As String)
               Dictionary(key) = value
          End Set
     End Property

Public ReadOnly Property Keys() As ICollection
          Get
               Return Dictionary.Keys
          End Get
     End Property

Public ReadOnly Property Values() As ICollection
          Get
               Return Dictionary.Values
          End Get
     End Property

Public Sub Add(ByVal key As String, ByVal value As String)
          Dictionary.Add(key, value)
     End Sub ' Add

Public Function Contains(ByVal key As String) As Boolean
          Return Dictionary.Contains(key)
     End Function ' Contains

Public Sub Remove(ByVal key As String)
          Dictionary.Remove(key)
     End Sub ' Remove
End Class ' Hash
''''''''''''''''

''''''''''''''''
' ArrayOfHash.vb
' Author: cparker
'
' NOTE: A simple class. Took a while to play with the logic to make sure the array would be properly filled.
' ----- As of yet, remains untested.
Imports MyProject.Hash

Public Class ArrayOfHash
     Dim Self() As Hash

Public Sub Populate(ByVal MyHash()() As MyProject.MyWebReference.HashEntry)
          Dim i As Integer

For i = 0 To MyHash.Length - 1
               Self(i).Populate(MyHash(i))
          Next
     End Sub ' Populate

Public Function HashAt(ByVal Location As Integer) As Hash
          Return Self(Location)
     End Function ' HashAt
End Class ' ArrayOfHash
'''''''''''''''''''''''

These two classes were designed to accommodate the XML Schema Definition I supplied earlier today (although it seems like yesterday at this point).

I think I'm just about ready to leave. It's been a long day. I'd like to test this code first, though.

lyncollege gets out of work in about an hour. I got paid today. I think I'm going to take her to dinner after work. (I'm driving her car. Woohoo.)

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