protected override Object Call(DynamicPropertyDescriptor descriptor, Object underlying)
{
try
{
if (descriptor.HasParameters)
{
return(descriptor.Method.Invoke(underlying, _paramList));
}
var array = (Array)descriptor.Method.Invoke(underlying, null);
if (array == null)
{
return(null);
}
if (array.Length <= _index)
{
return(null);
}
return(array.GetValue(_index));
}
catch (InvalidCastException e)
{
throw PropertyUtility.GetMismatchException(descriptor.Method.Target, underlying, e);
}
catch (PropertyAccessException)
{
throw;
}
catch (Exception e)
{
throw new PropertyAccessException(e);
}
}
public bool IsExistsProperty(EventBean eventBean)
{
DynamicPropertyDescriptor desc = GetPopulateCache(eventBean.Underlying);
if (desc.GetMethod() == null)
{
return(false);
}
return(true);
}
public Object Get(EventBean eventBean)
{
DynamicPropertyDescriptor desc = GetPopulateCache(eventBean.Underlying);
if (desc.GetMethod() == null)
{
return(null);
}
return(Call(desc, eventBean.Underlying));
}
public bool IsBeanExistsProperty(Object @object)
{
DynamicPropertyDescriptor desc = GetPopulateCache(@object);
if (desc.GetMethod() == null)
{
return(false);
}
return(true);
}
public Object GetBeanProp(Object @object)
{
DynamicPropertyDescriptor desc = GetPopulateCache(@object);
if (desc.GetMethod() == null)
{
return(null);
}
return(Call(desc, @object));
}
protected override Object Call(DynamicPropertyDescriptor descriptor, Object underlying)
{
try
{
if (descriptor.HasParameters)
{
return(descriptor.GetMethod().Invoke(underlying, _paramList));
}
var result = descriptor.GetMethod().Invoke(underlying, null);
if (result == null)
{
return(null);
}
if (result is DataMap)
{
var resultDictionary = (DataMap)result;
return(resultDictionary.Get(_paramList[0]));
}
Func <object, DataMap> resultFactory = null;
var resultType = result.GetType();
if (ReferenceEquals(resultType, _lastResultType))
{
resultFactory = _lastResultFactory;
}
else
{
_lastResultFactory = resultFactory = MagicMarker.GetStringDictionaryFactory(resultType);
_lastResultType = resultType;
}
if (resultFactory != null)
{
var resultDictionary = resultFactory.Invoke(result);
return(resultDictionary.Get(_paramList[0]));
}
return(null);
}
catch (InvalidCastException e)
{
throw PropertyUtility.GetMismatchException(descriptor.GetMethod().Target, underlying, e);
}
catch (PropertyAccessException)
{
throw;
}
catch (Exception e)
{
throw new PropertyAccessException(e);
}
}
private DynamicPropertyDescriptor GetPopulateCache(Object obj)
{
// Check if the method is already there
Type target = obj.GetType();
foreach (DynamicPropertyDescriptor desc in _cache)
{
if (desc.GetClazz() == target)
{
return(desc);
}
}
// need to add it
using (_iLock.Acquire())
{
foreach (DynamicPropertyDescriptor desc in _cache)
{
if (desc.GetClazz() == target)
{
return(desc);
}
}
// Lookup method to use
MethodInfo method = DetermineMethod(target);
// Cache descriptor and create fast method
DynamicPropertyDescriptor propertyDescriptor;
if (method == null)
{
propertyDescriptor = new DynamicPropertyDescriptor(target, null, false);
}
else
{
FastClass fastClass = FastClass.Create(target);
FastMethod fastMethod = fastClass.GetMethod(method);
propertyDescriptor = new DynamicPropertyDescriptor(target, fastMethod, fastMethod.ParameterCount > 0);
}
_cache.Add(propertyDescriptor);
return(propertyDescriptor);
}
}
protected override Object Call(DynamicPropertyDescriptor descriptor, Object underlying)
{
try
{
return(descriptor.GetMethod().Invoke(underlying, null));
}
catch (InvalidCastException e)
{
throw PropertyUtility.GetMismatchException(descriptor.GetMethod().Target, underlying, e);
}
catch (PropertyAccessException)
{
throw;
}
catch (Exception e)
{
throw new PropertyAccessException(e);
}
}
private static DynamicPropertyDescriptor GetPopulateCache(CopyOnWriteList <DynamicPropertyDescriptor> cache, DynamicPropertyGetterBase dynamicPropertyGetterBase, Object obj, EventAdapterService eventAdapterService)
{
// Check if the method is already there
var target = obj.GetType();
foreach (DynamicPropertyDescriptor desc in cache)
{
if (desc.Clazz == target)
{
return(desc);
}
}
// need to add it
lock (dynamicPropertyGetterBase)
{
foreach (DynamicPropertyDescriptor desc in cache)
{
if (desc.Clazz == target)
{
return(desc);
}
}
// Lookup method to use
var method = dynamicPropertyGetterBase.DetermineMethod(target);
// Cache descriptor and create fast method
DynamicPropertyDescriptor propertyDescriptor;
if (method == null)
{
propertyDescriptor = new DynamicPropertyDescriptor(target, null, false);
}
else
{
var fastClass = FastClass.Create(target);
var fastMethod = fastClass.GetMethod(method);
propertyDescriptor = new DynamicPropertyDescriptor(target, fastMethod, fastMethod.ParameterCount > 0);
}
cache.Add(propertyDescriptor);
return(propertyDescriptor);
}
}
/// <summary> /// Call the getter to obtains the return result object, or null if no such method /// exists. /// </summary> /// <param name="descriptor">provides method information for the class</param> /// <param name="underlying">is the underlying object to ask for the property value</param> /// <returns> /// underlying /// </returns> protected abstract Object Call(DynamicPropertyDescriptor descriptor, Object underlying);
