public override object GetValue()
{
if (_property == null)
{
return(null);
}
object instance = _target.GetValue();
if (NullHelper.IsNull(instance))
{
return(null);
}
object result;
try
{
result = _property.GetValue(instance);
}
catch (NQueryException)
{
throw;
}
catch (Exception ex)
{
throw ExceptionBuilder.PropertyBindingGetValueFailed(ex);
}
return(NullHelper.UnifyNullRepresentation(result));
}
public override object GetValue()
{
if (_method == null)
{
return(null);
}
object targetValue = _target.GetValue();
if (NullHelper.IsNull(targetValue))
{
return(null);
}
object[] argumentValues = new object[_arguments.Length];
for (int i = 0; i < argumentValues.Length; i++)
{
argumentValues[i] = _arguments[i].GetValue();
}
object result;
try
{
result = _method.Invoke(targetValue, argumentValues);
}
catch (TargetInvocationException ex)
{
// Special handling for target invocation since we are only
// interested in the inner one.
throw ExceptionBuilder.MethodBindingInvokeFailed(ex.InnerException);
}
catch (NQueryException)
{
throw;
}
catch (Exception ex)
{
throw ExceptionBuilder.MethodBindingInvokeFailed(ex);
}
return(NullHelper.UnifyNullRepresentation(result));
}
public override object GetValue()
{
if (_function == null)
{
return(null);
}
// BUG: Shouln't we ensure that all arguments are non-null?
object[] argumentValues = new object[_arguments.Length];
for (int i = 0; i < argumentValues.Length; i++)
{
argumentValues[i] = _arguments[i].GetValue();
}
object result;
try
{
result = _function.Invoke(argumentValues);
}
catch (TargetInvocationException ex)
{
// Special handling for target invocation since we are only
// interested in the inner one.
if (ex.InnerException is NQueryException)
{
throw ExceptionBuilder.RuntimeError(ex.InnerException);
}
throw ExceptionBuilder.FunctionBindingInvokeFailed(ex.InnerException);
}
catch (NQueryException)
{
throw;
}
catch (Exception ex)
{
throw ExceptionBuilder.FunctionBindingInvokeFailed(ex);
}
return(NullHelper.UnifyNullRepresentation(result));
}
public override object GetValue()
{
object result;
try
{
result = _constantBinding.Value;
}
catch (NQueryException)
{
throw;
}
catch (Exception ex)
{
throw ExceptionBuilder.ConstantBindingGetValueFailed(ex);
}
return(NullHelper.UnifyNullRepresentation(result));
}
public override object GetValue()
{
if (_parameter == null)
{
return(null);
}
object result;
try
{
result = _parameter.Value;
}
catch (NQueryException)
{
throw;
}
catch (Exception ex)
{
throw ExceptionBuilder.ParameterBindingGetValueFailed(ex);
}
return(NullHelper.UnifyNullRepresentation(result));
}