private bool TryLoadActionProvider()
{
if (!this.attemptedToLoadActionProvider && (this.dataService.Provider.Configuration.DataServiceBehavior.MaxProtocolVersion >= DataServiceProtocolVersion.V3))
{
this.actionProvider = this.dataService.Provider.GetService <IDataServiceActionProvider>();
this.attemptedToLoadActionProvider = true;
}
return(this.actionProvider != null);
}
/// <summary>
/// Tries to load an implementation of IDataServiceActionProvider from the service. Return true if successful; false otherwise.
/// </summary>
/// <returns>true if successfully loaded an implementation of IDataServiceActionProvider; false otherwise.</returns>
private bool TryLoadActionProvider()
{
if (!this.attemptedToLoadActionProvider)
{
this.actionProvider = this.provider.GetService <IDataServiceActionProvider>();
if (this.actionProvider != null)
{
// try to get the action resolver for overloads. This can either be the same instance as the action provider, or a separate instance returned by GetService.
this.actionResolver = this.actionProvider as IDataServiceActionResolver ?? this.provider.GetService <IDataServiceActionResolver>();
}
this.attemptedToLoadActionProvider = true;
}
return(this.actionProvider != null);
}
private static MetadataProviderEdmModel CreateMetadataProviderEdmModel(DataServiceProviderSimulator metadataProvider, IDataServiceActionProvider actionProvider = null)
{
var dataServiceSimulator = new DataServiceSimulatorWithGetService {
OperationContext = new DataServiceOperationContext(false, new DataServiceHost2Simulator()), ProcessingPipeline = new DataServiceProcessingPipeline()
};
dataServiceSimulator.OperationContext.InitializeAndCacheHeaders(dataServiceSimulator);
var dataServiceConfiguration = new DataServiceConfiguration(metadataProvider);
dataServiceConfiguration.SetEntitySetAccessRule("*", EntitySetRights.AllRead);
dataServiceConfiguration.SetServiceActionAccessRule("*", ServiceActionRights.Invoke);
dataServiceConfiguration.DataServiceBehavior.MaxProtocolVersion = ODataProtocolVersion.V4;
if (actionProvider != null)
{
dataServiceSimulator.Providers.Add(typeof(IDataServiceActionProvider), actionProvider);
}
DataServiceStaticConfiguration staticConfiguration = new DataServiceStaticConfiguration(dataServiceSimulator.Instance.GetType(), metadataProvider);
IDataServiceProviderBehavior providerBehavior = DataServiceProviderBehavior.CustomDataServiceProviderBehavior;
DataServiceProviderWrapper providerWrapper = new DataServiceProviderWrapper(
new DataServiceCacheItem(
dataServiceConfiguration,
staticConfiguration),
metadataProvider,
metadataProvider,
dataServiceSimulator,
false);
dataServiceSimulator.Provider = providerWrapper;
var model = new MetadataProviderEdmModel(providerWrapper, new DataServiceStreamProviderWrapper(dataServiceSimulator), DataServiceActionProviderWrapper.Create(dataServiceSimulator));
model.MetadataProvider.ProviderBehavior = providerBehavior;
return(model);
}
public static IDataServiceInvokable CreateServiceActionInvokable(DataServiceOperationContext operationContext, IDataServiceActionProvider actionProvider, ServiceAction serviceAction, object[] parameterTokens)
{
WebUtil.CheckArgumentNull(operationContext, "operationContext");
WebUtil.CheckArgumentNull(actionProvider, "actionProvider");
WebUtil.CheckArgumentNull(serviceAction, "serviceAction");
operationContext.CurrentDataService.ProcessingPipeline.AssertAndUpdateDebugStateAtInvokeServiceAction(operationContext.CurrentDataService);
IDataServiceInvokable result = actionProvider.CreateInvokable(operationContext, serviceAction, parameterTokens);
WebUtil.CheckResourceExists(result != null, serviceAction.Name);
return(result);
}
private static MetadataProviderEdmModel CreateMetadataProviderEdmModel(DataServiceProviderSimulator metadataProvider, IDataServiceActionProvider actionProvider = null)
{
var dataServiceSimulator = new DataServiceSimulatorWithGetService { OperationContext = new DataServiceOperationContext(false, new DataServiceHost2Simulator()), ProcessingPipeline = new DataServiceProcessingPipeline() };
dataServiceSimulator.OperationContext.InitializeAndCacheHeaders(dataServiceSimulator);
var dataServiceConfiguration = new DataServiceConfiguration(metadataProvider);
dataServiceConfiguration.SetEntitySetAccessRule("*", EntitySetRights.AllRead);
dataServiceConfiguration.SetServiceActionAccessRule("*", ServiceActionRights.Invoke);
dataServiceConfiguration.DataServiceBehavior.MaxProtocolVersion = ODataProtocolVersion.V4;
if (actionProvider != null)
{
dataServiceSimulator.Providers.Add(typeof(IDataServiceActionProvider), actionProvider);
}
DataServiceStaticConfiguration staticConfiguration = new DataServiceStaticConfiguration(dataServiceSimulator.Instance.GetType(), metadataProvider);
IDataServiceProviderBehavior providerBehavior = DataServiceProviderBehavior.CustomDataServiceProviderBehavior;
DataServiceProviderWrapper providerWrapper = new DataServiceProviderWrapper(
new DataServiceCacheItem(
dataServiceConfiguration,
staticConfiguration),
metadataProvider,
metadataProvider,
dataServiceSimulator,
false);
dataServiceSimulator.Provider = providerWrapper;
var model = new MetadataProviderEdmModel(providerWrapper, new DataServiceStreamProviderWrapper(dataServiceSimulator), DataServiceActionProviderWrapper.Create(dataServiceSimulator));
model.MetadataProvider.ProviderBehavior = providerBehavior;
return model;
}
public static IDataServiceInvokable CreateServiceActionInvokable(DataServiceOperationContext operationContext, IDataServiceActionProvider actionProvider, ServiceAction serviceAction, object[] parameterTokens)
{
WebUtil.CheckArgumentNull <DataServiceOperationContext>(operationContext, "operationContext");
WebUtil.CheckArgumentNull <IDataServiceActionProvider>(actionProvider, "actionProvider");
WebUtil.CheckArgumentNull <ServiceAction>(serviceAction, "serviceAction");
IDataServiceInvokable invokable = actionProvider.CreateInvokable(operationContext, serviceAction, parameterTokens);
WebUtil.CheckResourceExists(invokable != null, serviceAction.Name);
return(invokable);
}
private bool TryLoadActionProvider()
{
if (!this.attemptedToLoadActionProvider && (this.dataService.Provider.Configuration.DataServiceBehavior.MaxProtocolVersion >= DataServiceProtocolVersion.V3))
{
this.actionProvider = this.dataService.Provider.GetService<IDataServiceActionProvider>();
this.attemptedToLoadActionProvider = true;
}
return (this.actionProvider != null);
}
