public AlphaBuilderContext <T> BuildSelectionNode <T>(AlphaBuilderContext <T> context, Expression <Func <T, bool> > conditionExpression)
where T : class
{
using (_logger.BeginScope($"{nameof(BuildSelectionNode)}<{typeof(T).Name}>"))
{
var alphaCondition = new AlphaCondition <T>(conditionExpression);
_logger.LogDebug($"Condition: {alphaCondition}");
IAlphaNode <T> alphaNode = context.CurrentNode;
SelectionNode <T> selectionNode = alphaNode.GetChildNodes <SelectionNode <T> >()
.FirstOrDefault(x => x.Condition.Equals(alphaCondition));
if (selectionNode == null)
{
using (_logger.BeginScope("Create"))
{
_logger.LogDebug($"Creating selection node: {typeof(T).Name}");
selectionNode = new SelectionNode <T>(_loggerFactory, alphaCondition);
alphaNode.AddChild(selectionNode);
}
}
return(new RuntimeAlphaBuilderContext <T>(context.Declaration, selectionNode));
}
}
public ISelectionNode <T> BuildSelectionNode <T>(BuilderContext context, Expression <Func <T, bool> > conditionExpression)
where T : class
{
using (_logger.BeginScope($"{nameof(BuildSelectionNode)}<{typeof(T).Name}>"))
{
var alphaCondition = new AlphaCondition <T>(conditionExpression);
_logger.LogDebug($"Condition: {alphaCondition}");
if (context.CurrentAlphaNode == null)
{
throw new RuntimeBuilderException("CurrentAlphaNode must not be null");
}
var selectionNode = context.CurrentAlphaNode.GetChildNodes <SelectionNode <T> >()
.FirstOrDefault(x => x.Condition.Equals(alphaCondition));
if (selectionNode == null)
{
using (_logger.BeginScope("Create"))
{
selectionNode = new SelectionNode <T>(_loggerFactory, alphaCondition);
context.CurrentAlphaNode.AddChild(selectionNode);
}
}
context.CurrentAlphaNode = selectionNode;
return(selectionNode);
}
}
public ISelectionNode <T> BuildSelectionNode <T>(BuilderContext context, Expression <Func <T, bool> > conditionExpression)
where T : class
{
using (_logger.BeginScope($"{nameof(BuildSelectionNode)}<{typeof(T).Name}>"))
{
var alphaCondition = new AlphaCondition <T>(conditionExpression);
_logger.LogDebug($"Condition: {alphaCondition}");
var alphaNode = context.CurrentAlphaNode ?? BuildTypeNode <T>(context);
SelectionNode <T> selectionNode = alphaNode.GetChildNodes <SelectionNode <T> >()
.FirstOrDefault(x => x.Condition.Equals(alphaCondition));
if (selectionNode == null)
{
using (_logger.BeginScope("Create"))
{
_logger.LogDebug($"Creating selection node: {typeof(T).Name}");
selectionNode = new SelectionNode <T>(_loggerFactory, alphaCondition);
alphaNode.AddChild(selectionNode);
}
}
context.CurrentAlphaNode = selectionNode;
context.AlphaSource = selectionNode.MemoryNode;
return(selectionNode);
}
}
public static IAlphaCondition CompileAlphaCondition(ConditionElement element)
{
var optimizer = new ExpressionSingleParameterOptimizer <Func <object, bool> >();
var optimizedExpression = optimizer.ConvertParameter(element.Expression);
var @delegate = optimizedExpression.Compile();
var fastDelegate = Create(@delegate, element.Expression.Parameters.Count);
var condition = new AlphaCondition(element.Expression, fastDelegate);
return(condition);
}
