internal void UpdateRef(IDaxObject renamedObj)
{
// This method is called on a DependsOnList, which belongs to a IDaxDependantObject. The argument is the IDaxObject which was typically renamed.
// For example: The DependsOnList could be attached to a Measure [MyMeasure] with an expression such as: "COUNTROWS('MyTable')". If the name of
// 'MyTable' was changed, this method would be called with 'MyTable' as the renamedObj and [MyMeasure] as Parent. It is then up to this method
// to loop through all object references to 'MyTable' (see #1). As an IDaxDependantObject can have more than one DAX expression property, and an
// object reference to 'MyTable' could exist in any of them, we must make sure to loop all the properties (#2)
List <ObjectReference> depList;
if (TryGetValue(renamedObj, out depList)) // #1 Get a list of object references for renamedObj
{
var orgDax = new string[DaxPropertyCount];
var pos = new int[DaxPropertyCount];
var sbs = new StringBuilder[DaxPropertyCount];
foreach (var prop in Parent.GetDAXProperties()) // #2 Initialize a string buider and the original DAX for every DAX property on Parent
{
var dax = Parent.GetDAX(prop);
if (dax != null)
{
sbs[(int)prop] = new StringBuilder();
orgDax[(int)prop] = dax.Replace("\r", ""); // Carriage Returns are excluded when the dependency tree is built
}
}
// Loop through all dependencies:
foreach (var dep in depList)
{
var propIx = (int)dep.property;
var sb = sbs[propIx];
sb.Append(orgDax[propIx].Substring(pos[propIx], dep.from - pos[propIx]));
sb.Append(dep.fullyQualified ? renamedObj.DaxObjectFullName : renamedObj.DaxObjectName);
pos[propIx] = dep.to + 1;
}
// Finalize:
foreach (var prop in Parent.GetDAXProperties())
{
var propIx = (int)prop;
if (pos[propIx] > 0)
{
sbs[propIx].Append(orgDax[propIx].Substring(pos[propIx]));
Parent.SetDAX(prop, sbs[propIx].ToString());
}
}
}
}
internal void UpdateRef(IDaxObject renamedObj)
{
List <ObjectReference> depList;
if (TryGetValue(renamedObj, out depList))
{
var propertyCount = Enum.GetValues(typeof(DAXProperty)).Length;
var pos = new int[propertyCount];
var sbs = new StringBuilder[propertyCount];
for (var i = 0; i < propertyCount; i++)
{
sbs[i] = new StringBuilder();
}
// Loop through all dependencies:
foreach (var dep in depList)
{
var propIx = (int)dep.property;
var sb = sbs[propIx];
sb.Append(Parent.GetDAX(dep.property).Substring(pos[propIx], dep.from - pos[propIx]));
sb.Append(dep.fullyQualified ? renamedObj.DaxObjectFullName : renamedObj.DaxObjectName);
pos[propIx] = dep.to + 1;
}
// Finalize:
for (var i = 0; i < propertyCount; i++)
{
if (pos[i] > 0)
{
sbs[i].Append(Parent.GetDAX((DAXProperty)i).Substring(pos[i]));
Parent.SetDAX((DAXProperty)i, sbs[i].ToString());
}
}
}
}
