/// <summary>
/// Adjusts the contract and behavior of each operation that returns <see cref="System.IObservable{T}"/>.
/// </summary>
/// <param name="contractDescription">The contract description to be modified.</param>
/// <param name="endpoint">The endpoint that exposes the contract.</param>
/// <param name="dispatchRuntime">The dispatch runtime that controls service execution.</param>
public void ApplyDispatchBehavior(ContractDescription contractDescription, ServiceEndpoint endpoint, DispatchRuntime dispatchRuntime)
{
Contract.Assume(contractDescription != null);
foreach (var operation in contractDescription.Operations)
{
Contract.Assume(operation != null);
if (ObservableMethodInvoker.IsObservableMethod(operation.SyncMethod))
{
InitializeObservableOperation(operation, ReturnAsListDefault);
}
}
}
/// <summary>
/// Ensures that the method to which this attribute is applied is synchronous and returns <see cref="System.IObservable{T}"/>.
/// </summary>
/// <param name="operationDescription">The operation being examined. Use for examination only. If the operation
/// description is modified, the results are undefined.</param>
public void Validate(OperationDescription operationDescription)
{
Contract.Assume(operationDescription != null);
if (operationDescription.SyncMethod == null)
{
throw new InvalidOperationException(string.Format(CultureInfo.CurrentCulture, Errors.OperationIsNotSynchronous, operationDescription.Name));
}
if (!ObservableMethodInvoker.IsObservableMethod(operationDescription.SyncMethod))
{
throw new InvalidOperationException(string.Format(CultureInfo.CurrentCulture, Errors.OperationIsNotObservable, operationDescription.Name));
}
}