public Type GetPropertyType(object entity, string propertyName, BindingFlags bindingFlags = BindingFlags.Public | BindingFlags.Instance)
{
Type propertyType;
Type type = entity.GetType();
var key = new HelperKey(type, propertyName, null);
if (!PropertyTypeInfo.TryGetValue(key, out propertyType))
{
var pi = type.GetProperty(propertyName, bindingFlags);
propertyType = pi.PropertyType;
}
return(propertyType);
}
public T GetInstanceMethodHandler <T>(object entity, string methodName, BindingFlags bindingFlags,
Type instanceType, int?parametersCount = null, Type[] typeParameters = null, bool callVirtIfNeeded = true)
{
object method;
var key = new HelperKey(instanceType, methodName, typeof(T), parametersCount, typeParameters,
callVirtIfNeeded);
if (!InvokeInfo.TryGetValue(key, out method))
{
method = CreateInstanceMethodHandler <T>(entity, methodName, bindingFlags, instanceType, parametersCount,
typeParameters, callVirtIfNeeded);
InvokeInfo[key] = method;
}
return((T)method);
}
public object GetPropertyValue(object entity, string propertyName, BindingFlags bindingFlags = BindingFlags.Public | BindingFlags.Instance)
{
object getter;
var type = entity.GetType();
var key = new HelperKey(type, propertyName, typeof(Func <object, object>));
if (!InvokeInfo.TryGetValue(key, out getter))
{
var pi = type.GetProperty(propertyName, bindingFlags);
getter = CreateGetter(pi);
InvokeInfo[key] = getter;
}
var func = (Func <object, object>)getter;
return(func(entity));
}
public void SetPropertyValue(object entity, string propertyName, object value, BindingFlags bindingFlags = BindingFlags.Public | BindingFlags.Instance)
{
object setter;
var type = entity.GetType();
var key = new HelperKey(type, propertyName, typeof(Action <object, object>));
if (!InvokeInfo.TryGetValue(key, out setter))
{
var pi = type.GetProperty(propertyName, bindingFlags);
setter = CreateSetter(pi);
InvokeInfo[key] = setter;
}
var del = (Action <object, object>)setter;
del(entity, value);
}
public bool Equals(HelperKey other)
{
return(type == other.type && string.Equals(handlerName, other.handlerName) && Equals(handlerType, other.handlerType) && castParameters.Equals(other.castParameters) && forcedResultType == other.forcedResultType && forcedThisArgType == other.forcedThisArgType && parametersCount == other.parametersCount);
}
