About the Service area solver Sample
[C#]
LicenseInitializer.cs
using System; using System.Collections.Generic; using System.Text; using ESRI.ArcGIS.esriSystem; //FILE AUTOMATICALLY GENERATED BY ESRI LICENSE INITIALIZATION ADDIN //YOU SHOULD NOT NORMALLY EDIT OR REMOVE THIS FILE FROM THE PROJECT namespace ServiceAreaSolver { public sealed class LicenseInitializer { private IAoInitialize m_AoInit = new AoInitializeClass(); #region Private members private const string MessageNoLicensesRequested = "Product: No licenses were requested"; private const string MessageProductAvailable = "Product: {0}: Available"; private const string MessageProductNotLicensed = "Product: {0}: Not Licensed"; private const string MessageExtensionAvailable = " Extension: {0}: Available"; private const string MessageExtensionNotLicensed = " Extension: {0}: Not Licensed"; private const string MessageExtensionFailed = " Extension: {0}: Failed"; private const string MessageExtensionUnavailable = " Extension: {0}: Unavailable"; private bool m_hasShutDown = false; private bool m_hasInitializeProduct = false; private List<int> m_requestedProducts; private List<esriLicenseExtensionCode> m_requestedExtensions; private Dictionary<esriLicenseProductCode, esriLicenseStatus> m_productStatus = new Dictionary<esriLicenseProductCode, esriLicenseStatus>(); private Dictionary<esriLicenseExtensionCode, esriLicenseStatus> m_extensionStatus = new Dictionary<esriLicenseExtensionCode, esriLicenseStatus>(); private bool m_productCheckOrdering = true; //default from low to high #endregion public bool InitializeApplication(esriLicenseProductCode[] productCodes, esriLicenseExtensionCode[] extensionLics) { //Cache product codes by enum int so can be sorted without custom sorter m_requestedProducts = new List<int>(); foreach (esriLicenseProductCode code in productCodes) { int requestCodeNum = Convert.ToInt32(code); if (!m_requestedProducts.Contains(requestCodeNum)) { m_requestedProducts.Add(requestCodeNum); } } AddExtensions(extensionLics); return Initialize(); } /// <summary> /// A summary of the status of product and extensions initialization. /// </summary> public string LicenseMessage() { string prodStatus = string.Empty; if (m_productStatus == null || m_productStatus.Count == 0) { prodStatus = MessageNoLicensesRequested + Environment.NewLine; } else if (m_productStatus.ContainsValue(esriLicenseStatus.esriLicenseAlreadyInitialized) || m_productStatus.ContainsValue(esriLicenseStatus.esriLicenseCheckedOut)) { prodStatus = ReportInformation(m_AoInit as ILicenseInformation, m_AoInit.InitializedProduct(), esriLicenseStatus.esriLicenseCheckedOut) + Environment.NewLine; } else { //Failed... foreach (KeyValuePair<esriLicenseProductCode, esriLicenseStatus> item in m_productStatus) { prodStatus += ReportInformation(m_AoInit as ILicenseInformation, item.Key, item.Value) + Environment.NewLine; } } string extStatus = string.Empty; foreach (KeyValuePair<esriLicenseExtensionCode, esriLicenseStatus> item in m_extensionStatus) { string info = ReportInformation(m_AoInit as ILicenseInformation, item.Key, item.Value); if (!string.IsNullOrEmpty(info)) extStatus += info + Environment.NewLine; } string status = prodStatus + extStatus; return status.Trim(); } /// <summary> /// Shuts down AoInitialize object and check back in extensions to ensure /// any ESRI libraries that have been used are unloaded in the correct order. /// </summary> /// <remarks>Once Shutdown has been called, you cannot re-initialize the product license /// and should not make any ArcObjects call.</remarks> public void ShutdownApplication() { if (m_hasShutDown) return; //Check back in extensions foreach (KeyValuePair<esriLicenseExtensionCode, esriLicenseStatus> item in m_extensionStatus) { if (item.Value == esriLicenseStatus.esriLicenseCheckedOut) m_AoInit.CheckInExtension(item.Key); } m_requestedProducts.Clear(); m_requestedExtensions.Clear(); m_extensionStatus.Clear(); m_productStatus.Clear(); m_AoInit.Shutdown(); m_hasShutDown = true; //m_hasInitializeProduct = false; } /// <summary> /// Indicates if the extension is currently checked out. /// </summary> public bool IsExtensionCheckedOut(esriLicenseExtensionCode code) { return m_AoInit.IsExtensionCheckedOut(code); } /// <summary> /// Set the extension(s) to be checked out for your ArcObjects code. /// </summary> public bool AddExtensions(params esriLicenseExtensionCode[] requestCodes) { if (m_requestedExtensions == null) m_requestedExtensions = new List<esriLicenseExtensionCode>(); foreach (esriLicenseExtensionCode code in requestCodes) { if (!m_requestedExtensions.Contains(code)) m_requestedExtensions.Add(code); } if (m_hasInitializeProduct) return CheckOutLicenses(this.InitializedProduct); return false; } /// <summary> /// Check in extension(s) when it is no longer needed. /// </summary> public void RemoveExtensions(params esriLicenseExtensionCode[] requestCodes) { if (m_extensionStatus == null || m_extensionStatus.Count == 0) return; foreach (esriLicenseExtensionCode code in requestCodes) { if (m_extensionStatus.ContainsKey(code)) { if (m_AoInit.CheckInExtension(code) == esriLicenseStatus.esriLicenseCheckedIn) { m_extensionStatus[code] = esriLicenseStatus.esriLicenseCheckedIn; } } } } /// <summary> /// Get/Set the ordering of product code checking. If true, check from lowest to /// highest license. True by default. /// </summary> public bool InitializeLowerProductFirst { get { return m_productCheckOrdering; } set { m_productCheckOrdering = value; } } /// <summary> /// Retrieves the product code initialized in the ArcObjects application /// </summary> public esriLicenseProductCode InitializedProduct { get { try { return m_AoInit.InitializedProduct(); } catch { return 0; } } } #region Helper methods private bool Initialize() { if (m_requestedProducts == null || m_requestedProducts.Count == 0) return false; esriLicenseProductCode currentProduct = new esriLicenseProductCode(); bool productInitialized = false; //Try to initialize a product ILicenseInformation licInfo = (ILicenseInformation)m_AoInit; m_requestedProducts.Sort(); if (!InitializeLowerProductFirst) //Request license from highest to lowest m_requestedProducts.Reverse(); foreach (int prodNumber in m_requestedProducts) { esriLicenseProductCode prod = (esriLicenseProductCode)Enum.ToObject(typeof(esriLicenseProductCode), prodNumber); esriLicenseStatus status = m_AoInit.IsProductCodeAvailable(prod); if (status == esriLicenseStatus.esriLicenseAvailable) { status = m_AoInit.Initialize(prod); if (status == esriLicenseStatus.esriLicenseAlreadyInitialized || status == esriLicenseStatus.esriLicenseCheckedOut) { productInitialized = true; currentProduct = m_AoInit.InitializedProduct(); } } m_productStatus.Add(prod, status); if (productInitialized) break; } m_hasInitializeProduct = productInitialized; m_requestedProducts.Clear(); //No product is initialized after trying all requested licenses, quit if (!productInitialized) { return false; } //Check out extension licenses return CheckOutLicenses(currentProduct); } private bool CheckOutLicenses(esriLicenseProductCode currentProduct) { bool allSuccessful = true; //Request extensions if (m_requestedExtensions != null && currentProduct != 0) { foreach (esriLicenseExtensionCode ext in m_requestedExtensions) { esriLicenseStatus licenseStatus = m_AoInit.IsExtensionCodeAvailable(currentProduct, ext); if (licenseStatus == esriLicenseStatus.esriLicenseAvailable)//skip unavailable extensions { licenseStatus = m_AoInit.CheckOutExtension(ext); } allSuccessful = (allSuccessful && licenseStatus == esriLicenseStatus.esriLicenseCheckedOut); if (m_extensionStatus.ContainsKey(ext)) m_extensionStatus[ext] = licenseStatus; else m_extensionStatus.Add(ext, licenseStatus); } m_requestedExtensions.Clear(); } return allSuccessful; } private string ReportInformation(ILicenseInformation licInfo, esriLicenseProductCode code, esriLicenseStatus status) { string prodName = string.Empty; try { prodName = licInfo.GetLicenseProductName(code); } catch { prodName = code.ToString(); } string statusInfo = string.Empty; switch (status) { case esriLicenseStatus.esriLicenseAlreadyInitialized: case esriLicenseStatus.esriLicenseCheckedOut: statusInfo = string.Format(MessageProductAvailable, prodName); break; default: statusInfo = string.Format(MessageProductNotLicensed, prodName); break; } return statusInfo; } private string ReportInformation(ILicenseInformation licInfo, esriLicenseExtensionCode code, esriLicenseStatus status) { string extensionName = string.Empty; try { extensionName = licInfo.GetLicenseExtensionName(code); } catch { extensionName = code.ToString(); } string statusInfo = string.Empty; switch (status) { case esriLicenseStatus.esriLicenseAlreadyInitialized: case esriLicenseStatus.esriLicenseCheckedOut: statusInfo = string.Format(MessageExtensionAvailable, extensionName); break; case esriLicenseStatus.esriLicenseCheckedIn: break; case esriLicenseStatus.esriLicenseUnavailable: statusInfo = string.Format(MessageExtensionUnavailable, extensionName); break; case esriLicenseStatus.esriLicenseFailure: statusInfo = string.Format(MessageExtensionFailed, extensionName); break; default: statusInfo = string.Format(MessageExtensionNotLicensed, extensionName); break; } return statusInfo; } #endregion } }
[Visual Basic .NET]
LicenseInitializer.vb
Imports Microsoft.VisualBasic Imports System Imports System.Collections.Generic Imports System.Text Imports ESRI.ArcGIS.esriSystem 'FILE AUTOMATICALLY GENERATED BY ESRI LICENSE INITIALIZATION ADDIN 'YOU SHOULD NOT NORMALLY EDIT OR REMOVE THIS FILE FROM THE PROJECT Namespace ServiceAreaSolver Public NotInheritable Class LicenseInitializer Private m_AoInit As IAoInitialize = New AoInitializeClass() #Region "Private members" Private Const MessageNoLicensesRequested As String = "Product: No licenses were requested" Private Const MessageProductAvailable As String = "Product: {0}: Available" Private Const MessageProductNotLicensed As String = "Product: {0}: Not Licensed" Private Const MessageExtensionAvailable As String = " Extension: {0}: Available" Private Const MessageExtensionNotLicensed As String = " Extension: {0}: Not Licensed" Private Const MessageExtensionFailed As String = " Extension: {0}: Failed" Private Const MessageExtensionUnavailable As String = " Extension: {0}: Unavailable" Private m_hasShutDown As Boolean = False Private m_hasInitializeProduct As Boolean = False Private m_requestedProducts As List(Of Integer) Private m_requestedExtensions As List(Of esriLicenseExtensionCode) Private m_productStatus As New Dictionary(Of esriLicenseProductCode, esriLicenseStatus)() Private m_extensionStatus As New Dictionary(Of esriLicenseExtensionCode, esriLicenseStatus)() Private m_productCheckOrdering As Boolean = True 'default from low to high #End Region Public Function InitializeApplication(ByVal productCodes() As esriLicenseProductCode, ByVal extensionLics() As esriLicenseExtensionCode) As Boolean 'Cache product codes by enum int so can be sorted without custom sorter m_requestedProducts = New List(Of Integer)() For Each code As esriLicenseProductCode In productCodes Dim requestCodeNum As Integer = Convert.ToInt32(code) If (Not m_requestedProducts.Contains(requestCodeNum)) Then m_requestedProducts.Add(requestCodeNum) End If Next code AddExtensions(extensionLics) Return Initialize() End Function ''' <summary> ''' A summary of the status of product and extensions initialization. ''' </summary> Public Function LicenseMessage() As String Dim prodStatus As String = String.Empty If m_productStatus Is Nothing OrElse m_productStatus.Count = 0 Then prodStatus = MessageNoLicensesRequested & Environment.NewLine ElseIf m_productStatus.ContainsValue(esriLicenseStatus.esriLicenseAlreadyInitialized) OrElse m_productStatus.ContainsValue(esriLicenseStatus.esriLicenseCheckedOut) Then prodStatus = ReportInformation(TryCast(m_AoInit, ILicenseInformation), m_AoInit.InitializedProduct(), esriLicenseStatus.esriLicenseCheckedOut) & Environment.NewLine Else 'Failed... For Each item As KeyValuePair(Of esriLicenseProductCode, esriLicenseStatus) In m_productStatus prodStatus &= ReportInformation(TryCast(m_AoInit, ILicenseInformation), item.Key, item.Value) & Environment.NewLine Next item End If Dim extStatus As String = String.Empty For Each item As KeyValuePair(Of esriLicenseExtensionCode, esriLicenseStatus) In m_extensionStatus Dim info As String = ReportInformation(TryCast(m_AoInit, ILicenseInformation), item.Key, item.Value) If (Not String.IsNullOrEmpty(info)) Then extStatus &= info & Environment.NewLine End If Next item Dim status As String = prodStatus & extStatus Return status.Trim() End Function ''' <summary> ''' Shuts down AoInitialize object and check back in extensions to ensure ''' any ESRI libraries that have been used are unloaded in the correct order. ''' </summary> ''' <remarks>Once Shutdown has been called, you cannot re-initialize the product license ''' and should not make any ArcObjects call.</remarks> Public Sub ShutdownApplication() If m_hasShutDown Then Return End If 'Check back in extensions For Each item As KeyValuePair(Of esriLicenseExtensionCode, esriLicenseStatus) In m_extensionStatus If item.Value = esriLicenseStatus.esriLicenseCheckedOut Then m_AoInit.CheckInExtension(item.Key) End If Next item m_requestedProducts.Clear() m_requestedExtensions.Clear() m_extensionStatus.Clear() m_productStatus.Clear() m_AoInit.Shutdown() m_hasShutDown = True 'm_hasInitializeProduct = false; End Sub ''' <summary> ''' Indicates if the extension is currently checked out. ''' </summary> Public Function IsExtensionCheckedOut(ByVal code As esriLicenseExtensionCode) As Boolean Return m_AoInit.IsExtensionCheckedOut(code) End Function ''' <summary> ''' Set the extension(s) to be checked out for your ArcObjects code. ''' </summary> Public Function AddExtensions(ByVal ParamArray requestCodes() As esriLicenseExtensionCode) As Boolean If m_requestedExtensions Is Nothing Then m_requestedExtensions = New List(Of esriLicenseExtensionCode)() End If For Each code As esriLicenseExtensionCode In requestCodes If (Not m_requestedExtensions.Contains(code)) Then m_requestedExtensions.Add(code) End If Next code If m_hasInitializeProduct Then Return CheckOutLicenses(Me.InitializedProduct) End If Return False End Function ''' <summary> ''' Check in extension(s) when it is no longer needed. ''' </summary> Public Sub RemoveExtensions(ByVal ParamArray requestCodes() As esriLicenseExtensionCode) If m_extensionStatus Is Nothing OrElse m_extensionStatus.Count = 0 Then Return End If For Each code As esriLicenseExtensionCode In requestCodes If m_extensionStatus.ContainsKey(code) Then If m_AoInit.CheckInExtension(code) = esriLicenseStatus.esriLicenseCheckedIn Then m_extensionStatus(code) = esriLicenseStatus.esriLicenseCheckedIn End If End If Next code End Sub ''' <summary> ''' Get/Set the ordering of product code checking. If true, check from lowest to ''' highest license. True by default. ''' </summary> Public Property InitializeLowerProductFirst() As Boolean Get Return m_productCheckOrdering End Get Set(ByVal value As Boolean) m_productCheckOrdering = value End Set End Property ''' <summary> ''' Retrieves the product code initialized in the ArcObjects application ''' </summary> Public ReadOnly Property InitializedProduct() As esriLicenseProductCode Get Try Return m_AoInit.InitializedProduct() Catch Return 0 End Try End Get End Property #Region "Helper methods" Private Function Initialize() As Boolean If m_requestedProducts Is Nothing OrElse m_requestedProducts.Count = 0 Then Return False End If Dim currentProduct As New esriLicenseProductCode() Dim productInitialized As Boolean = False 'Try to initialize a product Dim licInfo As ILicenseInformation = CType(m_AoInit, ILicenseInformation) m_requestedProducts.Sort() If (Not InitializeLowerProductFirst) Then 'Request license from highest to lowest m_requestedProducts.Reverse() End If For Each prodNumber As Integer In m_requestedProducts Dim prod As esriLicenseProductCode = CType(System.Enum.ToObject(GetType(esriLicenseProductCode), prodNumber), esriLicenseProductCode) Dim status As esriLicenseStatus = m_AoInit.IsProductCodeAvailable(prod) If status = esriLicenseStatus.esriLicenseAvailable Then status = m_AoInit.Initialize(prod) If status = esriLicenseStatus.esriLicenseAlreadyInitialized OrElse status = esriLicenseStatus.esriLicenseCheckedOut Then productInitialized = True currentProduct = m_AoInit.InitializedProduct() End If End If m_productStatus.Add(prod, status) If productInitialized Then Exit For End If Next prodNumber m_hasInitializeProduct = productInitialized m_requestedProducts.Clear() 'No product is initialized after trying all requested licenses, quit If (Not productInitialized) Then Return False End If 'Check out extension licenses Return CheckOutLicenses(currentProduct) End Function Private Function CheckOutLicenses(ByVal currentProduct As esriLicenseProductCode) As Boolean Dim allSuccessful As Boolean = True 'Request extensions If m_requestedExtensions IsNot Nothing AndAlso currentProduct <> 0 Then For Each ext As esriLicenseExtensionCode In m_requestedExtensions Dim licenseStatus As esriLicenseStatus = m_AoInit.IsExtensionCodeAvailable(currentProduct, ext) If licenseStatus = esriLicenseStatus.esriLicenseAvailable Then 'skip unavailable extensions licenseStatus = m_AoInit.CheckOutExtension(ext) End If allSuccessful = (allSuccessful AndAlso licenseStatus = esriLicenseStatus.esriLicenseCheckedOut) If m_extensionStatus.ContainsKey(ext) Then m_extensionStatus(ext) = licenseStatus Else m_extensionStatus.Add(ext, licenseStatus) End If Next ext m_requestedExtensions.Clear() End If Return allSuccessful End Function Private Function ReportInformation(ByVal licInfo As ILicenseInformation, ByVal code As esriLicenseProductCode, ByVal status As esriLicenseStatus) As String Dim prodName As String = String.Empty Try prodName = licInfo.GetLicenseProductName(code) Catch prodName = code.ToString() End Try Dim statusInfo As String = String.Empty Select Case status Case esriLicenseStatus.esriLicenseAlreadyInitialized, esriLicenseStatus.esriLicenseCheckedOut statusInfo = String.Format(MessageProductAvailable, prodName) Case Else statusInfo = String.Format(MessageProductNotLicensed, prodName) End Select Return statusInfo End Function Private Function ReportInformation(ByVal licInfo As ILicenseInformation, ByVal code As esriLicenseExtensionCode, ByVal status As esriLicenseStatus) As String Dim extensionName As String = String.Empty Try extensionName = licInfo.GetLicenseExtensionName(code) Catch extensionName = code.ToString() End Try Dim statusInfo As String = String.Empty Select Case status Case esriLicenseStatus.esriLicenseAlreadyInitialized, esriLicenseStatus.esriLicenseCheckedOut statusInfo = String.Format(MessageExtensionAvailable, extensionName) Case esriLicenseStatus.esriLicenseCheckedIn Case esriLicenseStatus.esriLicenseUnavailable statusInfo = String.Format(MessageExtensionUnavailable, extensionName) Case esriLicenseStatus.esriLicenseFailure statusInfo = String.Format(MessageExtensionFailed, extensionName) Case Else statusInfo = String.Format(MessageExtensionNotLicensed, extensionName) End Select Return statusInfo End Function #End Region End Class End Namespace