public ResponseExceptionInvoker(IOperationInvoker oldInvoker, OperationDescription operationDescription)
: base(oldInvoker)
{
// save the return type for creating response messages
this.returnType = operationDescription.GetReturnType();
if (this.returnType == null)
{
throw new InvalidOperationException("The operation '" + operationDescription.SyncMethod.DeclaringType.Name + "' does not define a return type.");
}
}
public override void Validate(OperationDescription operationDescription)
{
// validate that this attribute can be applied to the service behavior.
Type returnType = operationDescription.GetReturnType();
if (!typeof(Response).IsAssignableFrom(returnType))
{
throw new InvalidOperationException("'" + returnType.FullName + "' does not inherit from '" + typeof(Response).FullName +
"'. ImplicitResponse behavior applied to '" + operationDescription.SyncMethod.DeclaringType.Name + "." + operationDescription.Name +
"' requires the method return type inherit from '" + typeof(Response).FullName);
}
}