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Private Shared _dict As System.Collections.Generic.Dictionary(Of String, String) '-------------------------------------------------------------------------------------------------- Public Shared Function CacheSet(ByVal name As String, ByVal value As String) As Boolean Dim result As Boolean = False Try name = name.ToUpper() If value IsNot Nothing Then CreateDictionary() If _dict.ContainsKey(name) Then _dict.Item(name) = value result = True Else _dict.Add(name, value) result = True End If End If Catch ex As Exception ' ignore exceptions End Try Return result End Function '-------------------------------------------------------------------------------------------------- Public Shared Function CacheGet(ByVal name As String) As String Dim result As String = "" Try name = name.ToUpper() CreateDictionary() If _dict.ContainsKey(name) Then result = _dict.Item(name) End If Catch ex As Exception ' ignore exceptions End Try Return result End Function '-------------------------------------------------------------------------------------------------- Private Shared Sub CreateDictionary() If _dict Is Nothing Then _dict = New System.Collections.Generic.Dictionary(Of String, String) End If End Sub
Imports System.Data.SqlClient Imports System.Security.Permissions Public Class Cache Private Shared _dict As Dictionary(Of String, String) '============================================================================================== Shared Sub New() Dim p As SqlClientPermission = New SqlClientPermission(PermissionState.Unrestricted) p.Assert() _dict = New Dictionary(Of String, String) End Sub '============================================================================================== Public Shared Function [Set](ByVal name As String, ByVal value As String) As Boolean Dim p As SqlClientPermission = New SqlClientPermission(PermissionState.Unrestricted) p.Assert() Dim result As Boolean = False name = name.ToUpper() Try If value IsNot Nothing Then If _dict.ContainsKey(name) Then _dict.Item(name) = value result = True Else _dict.Add(name, value) End If End If Catch ex As Exception 'ignore exceptions End Try Return result End Function '============================================================================================== Public Shared Function [Get](ByVal name As String) As String Dim p As SqlClientPermission = New SqlClientPermission(PermissionState.Unrestricted) p.Assert() Dim result As String = "" name = name.ToUpper() Try If _dict.ContainsKey(name) Then result = _dict.Item(name) End If Catch ex As Exception 'ignore exceptions End Try Return result End Function End Class
using System; using System.Collections.Generic; using System.Text; using System.Security.Permissions; using System.Data.SqlClient; namespace MyNamespace { public static class Cache { private static Dictionary<string, string> _dict; //----------------------------------------------------------------------------------------- static Cache() { new SqlClientPermission(PermissionState.Unrestricted).Assert(); _dict = new Dictionary<string, string>(); } //----------------------------------------------------------------------------------------- public static bool Set(string name, string value) { new SqlClientPermission(PermissionState.Unrestricted).Assert(); bool result = false; name = name.ToUpper(); try { if (value != null) { if (_dict.ContainsKey(name)) { _dict[name] = value; result = true; } else { _dict.Add(name, value); result = true; } } } catch {/* ignore exceptions */} return result; } //----------------------------------------------------------------------------------------- public static string Get(string name) { new SqlClientPermission(PermissionState.Unrestricted).Assert(); name = name.ToUpper(); string result = ""; try { if (_dict.ContainsKey(name)) result = _dict[name]; } catch {/* ignore exceptions */} return result; } } }
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