/// <summary>
/// Adds the expression decision into the definition
/// </summary>
/// <param name="name">Name of the decision to add</param>
/// <param name="expression">Expression to be evaluated during the decision execution</param>
/// <param name="outputVariable">Reference to existing variable to store the output of the decision evaluation</param>
/// <param name="decisionRef">Reference to the decision added</param>
/// <returns>The current <see cref="DmnDefinitionBuilder"/></returns>
/// <exception cref="DmnBuilderException">Throws <see cref="DmnBuilderException"/> when the definition has already been built</exception>
public DmnDefinitionBuilder WithExpressionDecision(string name, string expression, Variable.Ref outputVariable, out Decision.Ref decisionRef)
{
return(WithExpressionDecision(name, e => e.Put(expression).To(outputVariable), out decisionRef));
}
/// <summary>
/// Adds the decision table into the definition
/// </summary>
/// <param name="name">Name of the decision table to add</param>
/// <param name="builder">Builder to be used to fully configure the decision table definition</param>
/// <param name="decisionRef">Reference to the decision added</param>
/// <returns>The current <see cref="DmnDefinitionBuilder"/></returns>
/// <exception cref="DmnBuilderException">Throws <see cref="DmnBuilderException"/> when the definition has already been built</exception>
public DmnDefinitionBuilder WithTableDecision(string name, Func <TableDecision, TableDecision> builder, out Decision.Ref decisionRef)
{
if (IsBuilt)
{
throw Logger.Error <DmnBuilderException>("Definition is already built");
}
if (name == null)
{
throw new ArgumentNullException(nameof(name));
}
if (string.IsNullOrWhiteSpace(name))
{
throw new ArgumentException("Missing decision name", nameof(name));
}
if (builder is null)
{
throw new ArgumentNullException(nameof(builder));
}
if (Decisions.Decisions.ContainsKey(name))
{
throw Logger.Error <DmnBuilderException>($"Decision {name} already exists");
}
var decision = new TableDecision(Variables, Decisions, name);
decisionRef = decision.Reference;
Decisions.AddDecision(decision);
builder.Invoke(decision);
return(this);
}
/// <summary> /// Retrieves the <see cref="Decision"/> definition builder by its <see cref="Decision.Ref">reference</see> /// </summary> /// <param name="reference">Decision definition builder reference</param> /// <returns>Decision definition builder or null when the reference is not found</returns> public Decision this[Decision.Ref reference] => DecisionsByRef.TryGetValue(reference, out var decision) ? decision : null;