/// <summary>
/// NOTE: Code-generation-invoked method, method name and parameter order matters
/// </summary>
/// <param name="descriptor">descriptor</param>
/// <param name="underlying">target</param>
/// <param name="index">idx</param>
/// <returns>null or method</returns>
public static bool DynamicIndexedPropertyExists(
DynamicPropertyDescriptorByField descriptor,
object underlying,
int index)
{
try {
var array = (Array)descriptor.Field.GetValue(underlying);
if (array == null)
{
return(false);
}
if (array.Length <= index)
{
return(false);
}
return(true);
}
catch (InvalidCastException e) {
throw PropertyUtility.GetMismatchException(descriptor.Field, underlying, e);
}
catch (ArgumentException e) {
throw PropertyUtility.GetArgumentException(descriptor.Field, e);
}
catch (MemberAccessException e) {
throw PropertyUtility.GetMemberAccessException(descriptor.Field, e);
}
}
/// <summary>
/// NOTE: Code-generation-invoked method, method name and parameter order matters
/// </summary>
/// <param name="clazz">class</param>
/// <param name="field">field</param>
/// <param name="cache">cache</param>
/// <returns>descriptor</returns>
public static DynamicPropertyDescriptorByField DynamicPropertyCacheAdd(
Type clazz,
FieldInfo field,
CopyOnWriteList <DynamicPropertyDescriptorByField> cache)
{
var propertyDescriptor = new DynamicPropertyDescriptorByField(clazz, field);
cache.Add(propertyDescriptor);
return(propertyDescriptor);
}
/// <summary>
/// NOTE: Code-generation-invoked method, method name and parameter order matters
/// </summary>
/// <param name="descriptor">desc</param>
/// <param name="underlying">underlying</param>
/// <returns>value</returns>
public static object DynamicSimplePropertyCall(
DynamicPropertyDescriptorByField descriptor,
object underlying)
{
try {
return(descriptor.Field.GetValue(underlying));
}
catch (Exception ex) {
throw HandleException(descriptor, underlying, ex);
}
}
/// <summary>
/// NOTE: Code-generation-invoked method, method name and parameter order matters
/// </summary>
/// <param name="descriptor">descriptor</param>
/// <param name="underlying">target</param>
/// <param name="key">key</param>
/// <returns>value</returns>
public static bool DynamicMappedPropertyExists(
DynamicPropertyDescriptorByField descriptor,
object underlying,
string key)
{
try {
var result = descriptor.Field.GetValue(underlying);
return(GetMapKeyExistsChecked(result, key));
}
catch (InvalidCastException e) {
throw PropertyUtility.GetMismatchException(descriptor.Field, underlying, e);
}
catch (ArgumentException e) {
throw PropertyUtility.GetArgumentException(descriptor.Field, e);
}
catch (MemberAccessException e) {
throw PropertyUtility.GetMemberAccessException(descriptor.Field, e);
}
}
/// <summary>
/// NOTE: Code-generation-invoked method, method name and parameter order matters
/// </summary>
/// <param name="descriptor">descriptor</param>
/// <param name="underlying">underlying</param>
/// <param name="ex">throwable</param>
/// <returns>exception</returns>
public static PropertyAccessException HandleException(
DynamicPropertyDescriptorByField descriptor,
object underlying,
Exception ex)
{
if (ex is InvalidCastException invalidCastException)
{
throw PropertyUtility.GetMismatchException(descriptor.Field, underlying, invalidCastException);
}
if (ex is ArgumentException argumentException)
{
throw PropertyUtility.GetArgumentException(descriptor.Field, argumentException);
}
if (ex is MemberAccessException memberAccessException)
{
throw PropertyUtility.GetMemberAccessException(descriptor.Field, memberAccessException);
}
throw PropertyUtility.GetGeneralException(descriptor.Field, ex);
}
protected override object Call(
DynamicPropertyDescriptorByField descriptor,
object underlying)
{
return(DynamicMappedPropertyGet(descriptor, underlying, _key));
}
protected override object Call(
DynamicPropertyDescriptorByField descriptor,
object underlying)
{
return(DynamicSimplePropertyCall(descriptor, underlying));
}
/// <summary>
/// Call the getter to obtains the return result object, or null if no such field exists.
/// </summary>
/// <param name="descriptor">provides field 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(
DynamicPropertyDescriptorByField descriptor,
object underlying);
