private void ValidateComputeQuery(ComputeX cx, bool clearError = false)
{
cx.Value.Clear();
cx.Value = ValuesUnknown;
if (clearError)
{
ClearError(cx);
ClearError(cx, Get <Property_ComputeX_Select>());
}
cx.ModelDelta++;
if (!Get <Relation_ComputeX_QueryX>().TryGetChild(cx, out QueryX qx))
{
cx.Value = ValuesInvalid;
TryAddErrorNone(cx, IdKey.ComputeMissingRootQueryError);
}
else
{
if (qx.Select == null)
{
if (cx.CompuType == CompuType.RowValue)
{
TryAddErrorNone(cx, Get <Property_ComputeX_Select>(), IdKey.ComputeMissingSelectError);
}
}
else
{
ValidateSelect(qx, cx, Get <Property_ComputeX_Select>(), clearError);
}
}
if (Get <Relation_QueryX_QueryX>().TryGetChildren(qx, out IList <QueryX> children))
{
ValidateQueryHierarchy(children, clearError);
}
AllocateValueCache(cx);
}
internal override bool LoadCache(ComputeX cx, Item key, List <Query> qList)
{
if (cx == null || qList == null || qList.Count == 0)
{
return(false);
}
var q = qList[0];
if (q.Items == null || q.Items.Length == 0)
{
return(false);
}
var qx = q.QueryX;
if (!qx.HasSelect)
{
return(false);
}
var k = q.Items[0];
if (k == null)
{
return(false);
}
return((qx.Select.GetValue(k, out Int64 v)) ? SetValue(key, v) : false);
}
private void ValidateComputeQuery(ComputeX cx, bool clearError = false)
{
cx.Value.Clear();
cx.Value = Value.ValuesUnknown;
if (clearError)
{
_errorManager.ClearError(cx);
_errorManager.ClearError(cx, _property_ComputeX_Select);
}
cx.ModelDelta++;
if (!_relation_ComputeX_QueryX.TryGetChild(cx, out QueryX qx))
{
cx.Value = Value.ValuesInvalid;
_errorManager.TryAddErrorNone(cx, IdKey.Error_216_ComputeMissingRootQuery);
}
else
{
if (qx.Select == null)
{
if (cx.CompuType == CompuType.RowValue)
{
_errorManager.TryAddErrorNone(cx, _property_ComputeX_Select, IdKey.Error_215_ComputeMissingSelect);
}
}
else
{
ValidateSelect(qx, cx, _property_ComputeX_Select, clearError);
}
}
if (_relation_QueryX_QueryX.TryGetChildren(qx, out IList <QueryX> children))
{
ValidateQueryHierarchy(children, clearError);
}
_computeXManager.AllocateValueCache(cx);
}
private void AddNewComputeX(Root root)
{
var cx = new ComputeX(root.Get <ComputeXRoot>(), true);
// the data root implements undo/redo functionality
ItemCreated.Record(root, cx);
ItemLinked.Record(root, root.Get <Relation_Store_ComputeX>(), TX, cx);
}
internal bool TrySetSelectProperty(ComputeX cx, string value)
{
if (!Get <Relation_ComputeX_QueryX>().TryGetChild(cx, out QueryX qx))
{
return(false);
}
return(TrySetSelectProperty(qx, value));
}
internal string GetSelectProperty(ComputeX cx)
{
if (!Get <Relation_ComputeX_QueryX>().TryGetChild(cx, out QueryX qx))
{
return(InvalidItem);
}
return((qx.HasSelect) ? qx.SelectString : null);
}
private QueryX CreateQueryX(ComputeX cx, Store st)
{
var qxNew = new QueryX(this, QueryType.Value, true);
ItemCreated.Record(Owner, qxNew);
ItemLinked.Record(Owner, _relation_ComputeX_QueryX, cx, qxNew);
ItemLinked.Record(Owner, _relation_Store_QueryX, st, qxNew);
return(qxNew);
}
internal void AddComputeXQueryX(ComputeX cx, QueryX qx1, Relation rx, bool isReversed)
{
qx1.IsTail = false;
var qx2 = new QueryX(this, QueryType.Value);
qx2.IsReversed = isReversed;
ItemCreated.Record(Owner, qx2);
ItemLinked.Record(Owner, _relation_QueryX_QueryX, qx1, qx2);
ItemLinked.Record(Owner, _relation_Relation_QueryX, rx, qx2);
}
internal bool TrySetComputeTypeProperty(ComputeX cx, int val)
{
var type = (CompuType)val;
if (cx.CompuType != type)
{
cx.CompuType = type;
cx.Value.Clear();
AllocateValueCache(cx);
}
return(true);
}
internal override bool LoadCache(ComputeX cx, Item key, List <Query> qList)
{
if (cx == null || qList == null || qList.Count == 0)
{
return(false);
}
var N = 0;
foreach (var q in qList)
{
if (q.Items == null)
{
continue;
}
var qx = q.QueryX;
if (!qx.HasSelect)
{
continue;
}
foreach (var k in q.Items)
{
if (k != null)
{
N++;
}
}
}
var v = new Int64[N];
var i = 0;
foreach (var q in qList)
{
if (q.Items == null)
{
continue;
}
var qx = q.QueryX;
if (!qx.HasSelect)
{
continue;
}
foreach (var k in q.Items)
{
if (k != null)
{
qx.Select.GetValue(k, out v[i++]);
}
}
}
return(SetValue(key, v));
}
internal void AddNewComputeX(Model_666_ComputeList m)
{
var st = m.Item;
var cx = new ComputeX(_computeXManager, true);
var qx = new QueryX(_queryXManager, QueryType.Value, true, true);
// the data root implements undo/redo functionality
ItemCreated.Record(Owner, cx);
ItemCreated.Record(Owner, qx);
ItemLinked.Record(Owner, _relation_Store_QueryX, st, qx);
ItemLinked.Record(Owner, _relation_Store_ComputeX, st, cx);
ItemLinked.Record(Owner, _relation_ComputeX_QueryX, cx, qx);
}
internal bool TryGetComputedValue(ComputeX cx, Item key)
{/*
* This method is called by valueDictionary when a key-value-pair does
* not exist for the callers key.
*/
if (!Get <Relation_ComputeX_QueryX>().TryGetChild(cx, out QueryX qx) || cx.Value.IsEmpty)
{
return(false);
}
switch (cx.CompuType)
{
case CompuType.RowValue: return(TryGetRowValue());
case CompuType.RelatedValue: return(TryGetRelated());
case CompuType.CompositeString: return(TryGetCompositeString());
case CompuType.CompositeReversed: return(TryGetCompositeReversed());
}
return(false);
//= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
bool TryGetRowValue()
{
if (!qx.HasValidSelect)
{
return(false);
}
if (!qx.Select.GetValue(key, out string val))
{
return(false);
}
cx.Value.SetValue(key, val);
return(true);
}
bool TryGetRelated()
{
var selectors = new List <Query>();
if (!TryGetForest(cx, key, selectors, out Query[] forest) || selectors.Count == 0)
{
return(false);
}
return(cx.Value.LoadCache(cx, key, selectors));
}
//= = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
// the following used to transfer query results to the computeX's cache value
//= = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
internal virtual bool LoadCache(ComputeX cx, Item key, List <Query> q) => false;
public void SetOwner(ComputeX cx)
{
}
/// <summary>This should a manually initiated action</summary>
/// <param name="cx"></param>
internal void RevalidateComputeX(ComputeX cx)
{
ValidateComputeQuery(cx, true);
ResetItemTriggeredRefresh();
}
public void SetOwner(ComputeX cx) => _owner = cx;
public void Release()
{
_owner = null;
Clear();
_values = null;
}
internal virtual void SetOwner(ComputeX cx)
{
}
internal override void SetOwner(ComputeX cx) => _valueStore.SetOwner(cx);