private OperatorRegistry GetOperatorRegistry()
{
if (operatorRegistry == null)
{
operatorRegistry = DataManager?.List?.ServiceProvider?.GetService <OperatorRegistry>() ?? new OperatorRegistry();
}
return(operatorRegistry);
}
/// <summary>
/// Check message on alert conditions.
/// </summary>
/// <param name="message">Message.</param>
public void Process(Message message)
{
if (message == null)
{
throw new ArgumentNullException(nameof(message));
}
var schema = _schemas.TryGetValue(message.GetType());
if (schema == null)
{
return;
}
var type = schema.AlertType;
if (type == null)
{
return;
}
var canAlert = schema.Rules.All(rule =>
{
var value = rule.Property.GetValue(message, null);
switch (rule.Operator)
{
case ComparisonOperator.Equal:
return(rule.Value.Equals(value));
case ComparisonOperator.NotEqual:
return(!rule.Value.Equals(value));
case ComparisonOperator.Greater:
return(OperatorRegistry.GetOperator(rule.Property.PropertyType).Compare(rule.Value, value) == 1);
case ComparisonOperator.GreaterOrEqual:
return(OperatorRegistry.GetOperator(rule.Property.PropertyType).Compare(rule.Value, value) >= 0);
case ComparisonOperator.Less:
return(OperatorRegistry.GetOperator(rule.Property.PropertyType).Compare(rule.Value, value) == -1);
case ComparisonOperator.LessOrEqual:
return(OperatorRegistry.GetOperator(rule.Property.PropertyType).Compare(rule.Value, value) <= 0);
case ComparisonOperator.Any:
return(true);
default:
throw new ArgumentOutOfRangeException();
}
});
if (canAlert)
{
PushAlert((AlertTypes)type, schema.Caption, schema.Message, message.LocalTime);
}
}
void IAlertService.Validate(object entity, DateTime time)
{
if (entity == null)
{
throw new ArgumentNullException("entity");
}
var schema = _schemas.TryGetValue(entity.GetType());
if (schema == null)
{
return;
}
var type = schema.AlertType;
if (type == null)
{
return;
}
var canAlert = schema.Rules.All(rule =>
{
var value = rule.Property.GetValue(entity, null);
switch (rule.Operator)
{
case ComparisonOperator.Equal:
return(rule.Value.Equals(value));
case ComparisonOperator.NotEqual:
return(!rule.Value.Equals(value));
case ComparisonOperator.Greater:
return(OperatorRegistry.GetOperator(rule.Property.PropertyType).Compare(rule.Value, value) == 1);
case ComparisonOperator.GreaterOrEqual:
return(OperatorRegistry.GetOperator(rule.Property.PropertyType).Compare(rule.Value, value) >= 0);
case ComparisonOperator.Less:
return(OperatorRegistry.GetOperator(rule.Property.PropertyType).Compare(rule.Value, value) == -1);
case ComparisonOperator.LessOrEqual:
return(OperatorRegistry.GetOperator(rule.Property.PropertyType).Compare(rule.Value, value) <= 0);
case ComparisonOperator.Any:
return(true);
default:
throw new ArgumentOutOfRangeException();
}
});
if (canAlert)
{
PushAlert((AlertTypes)type, schema.Caption, schema.Message, time);
}
}
public TokenType Evaluate(Dictionary <Variable, TokenType> var_values)
{
return(ProcessCalculate((node, p1, p2) => {
if (p1 is Variable && node.op == '=')
{
return OperatorRegistry.ExecuteBinaryOperation(node, p1, p2.Evaluate(var_values));
}
return OperatorRegistry.ExecuteBinaryOperation(node, p1.Evaluate(var_values), p2.Evaluate(var_values));
},
(node) => {
return node;
}).Evaluate(var_values));
}
public override TokenType Evaluate(Dictionary <Variable, TokenType> var_values)
{
return(OperatorRegistry.ExecuteUnaryOperation(operation, token.Evaluate(var_values)));
}