/// <summary>
/// Wraps all component methods returning IEnumerable{T} or IQueryable{T}.
/// </summary>
/// <typeparam name="I">Interface to wrap.</typeparam>
/// <param name="uniqueName">Component unique name.</param>
private void RegisterQueryableMethods <I>(string uniqueName)
{
foreach (var mi in typeof(I).GetMethods())
{
if (mi.IsGenericMethod && mi.GetParameters().Length == 0)
{
if (typeof(IEnumerable).IsAssignableFrom(mi.ReturnType) || typeof(IQueryable).IsAssignableFrom(mi.ReturnType))
{
var queryHandler = new ZyanMethodQueryHandler(this, uniqueName, mi);
var remoteHandler = new ZyanServerQueryHandler(queryHandler);
RegisterComponent <IQueryRemoteHandler, ZyanServerQueryHandler>(queryHandler.MethodQueryHandlerName, remoteHandler, null);
}
}
}
}
/// <summary>
/// Handles LINQ queries.
/// </summary>
/// <param name="methodCallMessage"><see cref="IMethodCallMessage"/> to process.</param>
/// <param name="methodInfo"><see cref="MethodInfo"/> for the method being called.</param>
/// <returns><see cref="ReturnMessage"/>, if the call is processed successfully, otherwise, false.</returns>
private ReturnMessage HandleLinqQuery(IMethodCallMessage methodCallMessage, MethodInfo methodInfo)
{
if (methodInfo.GetParameters().Length == 0 &&
methodInfo.GetGenericArguments().Length == 1 &&
(typeof(IEnumerable).IsAssignableFrom(methodInfo.ReturnType) || typeof(IQueryable).IsAssignableFrom(methodInfo.ReturnType)))
{
var elementType = methodInfo.GetGenericArguments().First();
var serverHandlerName = ZyanMethodQueryHandler.GetMethodQueryHandlerName(_uniqueName, methodInfo);
var clientHandler = new ZyanClientQueryHandler(_connection, serverHandlerName);
var returnValue = clientHandler.Get(elementType);
return(new ReturnMessage(returnValue, null, 0, methodCallMessage.LogicalCallContext, methodCallMessage));
}
// This method call doesn't represent a LINQ query
return(null);
}
/// <summary>
/// Wraps all component methods returning IEnumerable{T} or IQueryable{T}.
/// </summary>
/// <typeparam name="I">Interface to wrap.</typeparam>
/// <param name="uniqueName">Component unique name.</param>
private void RegisterQueryableMethods <I>(string uniqueName)
{
foreach (var mi in typeof(I).GetMethods())
{
if (mi.IsGenericMethod && mi.GetParameters().Length == 0 && mi.ReturnType.IsGenericType)
{
var returnTypeDef = mi.ReturnType.GetGenericTypeDefinition();
if (returnTypeDef == typeof(IEnumerable <>) || returnTypeDef == typeof(IQueryable <>))
{
var queryHandler = new ZyanMethodQueryHandler(this, uniqueName, mi);
var remoteHandler = new ZyanServerQueryHandler(queryHandler);
RegisterComponent <IQueryRemoteHandler, ZyanServerQueryHandler>(queryHandler.MethodQueryHandlerName, remoteHandler, null);
}
}
}
}
