#region License Information
/* HeuristicLab
* Copyright (C) 2002-2014 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
*
* This file is part of HeuristicLab.
*
* HeuristicLab is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* HeuristicLab is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with HeuristicLab. If not, see .
*/
#endregion
using System;
using System.Collections.ObjectModel;
using System.ServiceModel;
using System.ServiceModel.Channels;
using System.ServiceModel.Description;
using System.ServiceModel.Dispatcher;
using HeuristicLab.Services.Hive.DataAccess;
namespace HeuristicLab.Services.Hive {
public class HiveOperationContext : IExtension {
public static HiveOperationContext Current {
get {
return OperationContext.Current != null
? OperationContext.Current.Extensions.Find()
: null;
}
}
private HiveDataContext dataContext;
public HiveDataContext DataContext {
get {
return dataContext ?? (dataContext = new HiveDataContext(Settings.Default.HeuristicLab_Hive_LinqConnectionString));
}
}
public void Attach(OperationContext owner) {
}
public void Detach(OperationContext owner) {
if (dataContext != null) {
dataContext.Dispose();
}
}
}
public class HiveOperationContextMessageInspector : IDispatchMessageInspector {
public object AfterReceiveRequest(ref Message request, IClientChannel channel, InstanceContext instanceContext) {
OperationContext.Current.Extensions.Add(new HiveOperationContext());
return request.Headers.MessageId;
}
public void BeforeSendReply(ref Message reply, object correlationState) {
OperationContext.Current.Extensions.Remove(HiveOperationContext.Current);
}
}
public class HiveOperationContextBehaviorAttribute : Attribute, IServiceBehavior {
public void AddBindingParameters(ServiceDescription serviceDescription, ServiceHostBase serviceHostBase,
Collection endpoints, BindingParameterCollection bindingParameters) {
}
public void ApplyDispatchBehavior(ServiceDescription serviceDescription, ServiceHostBase serviceHostBase) {
foreach (ChannelDispatcher cd in serviceHostBase.ChannelDispatchers) {
foreach (EndpointDispatcher ed in cd.Endpoints) {
ed.DispatchRuntime.MessageInspectors.Add(new HiveOperationContextMessageInspector());
}
}
}
public void Validate(ServiceDescription serviceDescription, ServiceHostBase serviceHostBase) {
}
}
}