public async Task <List <Message> > Apply(List <Message> messages, int ruleId)
{
try
{
_loggingService.Log($"Rule {ruleId} has been recieved ");
IMessageExpression messageExpression = MessageExppression.GetInstance(_loggingService, ruleId);
_loggingService.Log($"Expression has been created for ruleId {ruleId}");
IEngine engine = RuleEngine.Getnstance(_loggingService, messageExpression);
_loggingService.Log($"Rule engine has nee created for ruleId {ruleId}");
_loggingService.Log($"Applying the expression obatianed for ruleId {ruleId}");
return(await engine.Apply(messages));
}
catch (Exception ex)
{
_loggingService.Log(ex);
throw;
}
}
/// <summary>
/// It initializes a new instance of the class.
/// </summary>
/// <param name="messageExpression">
/// The message expression, source of the field value of the equality
/// operator (left part of the operator).
/// </param>
/// <param name="valueExpression">
/// The value expression of the equality operator (right part of the operator).
/// </param>
/// <param name="startIndex">
/// The index of the start of the substring.
/// </param>
/// <param name="length">
/// The length of the substring.
/// </param>
public MidEqualsStringOperator(IMessageExpression messaeExpression,
StringConstantExpression valueExpression, int startIndex, int length)
: base(messaeExpression, valueExpression)
{
if (startIndex < 0)
{
throw new ArgumentException(
"The start index of the substring can't be a negative value.", "startIndex");
}
if (length < 0)
{
throw new ArgumentException(
"The length of the substring can't be a negative value.", "length");
}
_startIndex = startIndex;
_length = length;
}
/// <summary>
/// It initializes a new instance of the class.
/// </summary>
/// <param name="mti">
/// MTI to compare with the message MTI.
/// </param>
/// <param name="messageExpression">
/// The expression which supply the message to compare the MTI.
/// </param>
public MtiEqualsExpression(int mti, IMessageExpression messageExpression)
{
_mti = mti;
_messageExpression = messageExpression;
}
/// <summary>
/// It initializes a new instance of the class.
/// </summary>
public MtiEqualsExpression()
{
_mti = -1;
_messageExpression = null;
}
/// <summary>
/// It initializes a new instance of the class.
/// </summary>
/// <param name="fieldNumber">
/// The field number to get the value.
/// </param>
/// <param name="messageExpression">
/// The sub field message expression.
/// </param>
public SubMessageExpression(int fieldNumber, IMessageExpression messageExpression)
{
_fieldNumber = fieldNumber;
_messageExpression = messageExpression;
}
/// <summary>
/// It initializes a new instance of the class.
/// </summary>
public SubMessageExpression()
{
_fieldNumber = -1;
_messageExpression = null;
}
/// <summary>
/// It initializes a new instance of the class.
/// </summary>
/// <param name="messageExpression">
/// The message expression, source of the field value of the equality
/// operator (left part of the operator).
/// </param>
/// <param name="valueExpression">
/// The value expression of the equality operator (right part of the operator).
/// </param>
public FieldValueEqualsBinaryOperator(IMessageExpression messageExpression,
BinaryConstantExpression valueExpression) :
base(messageExpression, valueExpression)
{
}
/// <summary>
/// It initializes a new instance of the class.
/// </summary>
/// <param name="messageExpression">
/// The expression which supply the message.
/// </param>
public IsSetExpression(IMessageExpression messageExpression)
{
_messageExpression = messageExpression;
}
/// <summary>
/// It initializes a new instance of the class.
/// </summary>
public IsSetExpression()
{
_messageExpression = null;
}
/// <summary>
/// It initializes a new instance of the class.
/// </summary>
/// <param name="messageExpression">
/// The message expression, source of the field value of the equality
/// operator (left part of the operator).
/// </param>
/// <param name="valueExpression">
/// The value expression of the equality operator (right part of the operator).
/// </param>
public EqualityEqualsOperator(IMessageExpression messageExpression,
IValueExpression valueExpression)
{
MessageExpression = messageExpression;
ValueExpression = valueExpression;
}
/// <summary>
/// It initializes a new instance of the class.
/// </summary>
public EqualityEqualsOperator()
{
_messageExpression = null;
}
public static IEngine Getnstance(ILoggingService loggingService, IMessageExpression messageExpression)
{
return(new RuleEngine(loggingService, messageExpression));
}
private RuleEngine(ILoggingService loggingService, IMessageExpression messageExpression)
{
_loggingService = loggingService ?? throw new ArgumentNullException(nameof(loggingService));
_messageExpression = messageExpression ?? throw new ArgumentNullException(nameof(messageExpression));
}
/// <summary>
/// It initializes a new instance of the class.
/// </summary>
/// <param name="messageExpression">
/// The message expression, source of the field value of the equality
/// operator (left part of the operator).
/// </param>
/// <param name="valueExpression">
/// The value expression of the equality operator (right part of the operator).
/// </param>
public FieldValueEqualsStringOperator(IMessageExpression messageExpression,
StringConstantExpression valueExpression) :
base(messageExpression, valueExpression)
{
}
/// <summary>
/// It initializes a new instance of the class.
/// </summary>
/// <param name="messageExpression">
/// The inner message expression.
/// </param>
public ParentMessageExpression(IMessageExpression messageExpression)
{
_messageExpression = messageExpression;
}
/// <summary>
/// It initializes a new instance of the class.
/// </summary>
public ParentMessageExpression()
{
_messageExpression = null;
}
