internal Expression OnExpressionBuilding(Registration registration, Type serviceType,
Type implementationType, Expression instanceCreatorExpression)
{
if (this.expressionBuilding != null)
{
var e = new ExpressionBuildingEventArgs(serviceType, implementationType,
instanceCreatorExpression, registration.Lifestyle);
var relationships = new KnownRelationshipCollection(registration.GetRelationships().ToList());
e.KnownRelationships = relationships;
this.expressionBuilding(this, e);
// Optimization.
if (relationships.HasChanged)
{
registration.ReplaceRelationships(e.KnownRelationships);
}
return(e.Expression);
}
return(instanceCreatorExpression);
}
internal ExpressionBuiltEventArgs?OnExpressionBuilt(
InstanceProducer instanceProducer, Expression expression)
{
if (this.expressionBuilt != null)
{
var relationships =
new KnownRelationshipCollection(instanceProducer.GetRelationships().ToList());
var e = new ExpressionBuiltEventArgs(
instanceProducer.ServiceType,
expression,
instanceProducer,
replacedRegistration: instanceProducer.Registration,
knownRelationships: relationships);
this.expressionBuilt(this, e);
if (relationships.HasChanged)
{
instanceProducer.ReplaceRelationships(e.KnownRelationships);
}
return(e);
}
else
{
return(null);
}
}
internal void OnExpressionBuilt(ExpressionBuiltEventArgs e, InstanceProducer instanceProducer)
{
if (this.expressionBuilt != null)
{
var relationships =
new KnownRelationshipCollection(instanceProducer.GetRelationships().ToList());
e.KnownRelationships = relationships;
this.expressionBuilt(this, e);
if (relationships.HasChanged)
{
instanceProducer.ReplaceRelationships(e.KnownRelationships);
}
}
}
