// <summary>
// Produces a list of all GroupAggregateVarInfos, each of which represents a single group aggregate
// and it candidate function aggregates. It also produces a delegate that given a child node returns the parent node
// </summary>
internal static IEnumerable<GroupAggregateVarInfo> Process(Command itree, out TryGetValue tryGetParent)
{
var groupRefComputingVisitor = new GroupAggregateRefComputingVisitor(itree);
groupRefComputingVisitor.VisitNode(itree.Root);
tryGetParent = groupRefComputingVisitor._childToParent.TryGetValue;
return groupRefComputingVisitor._groupAggregateVarInfoManager.GroupAggregateVarInfos;
}
// <summary>
// Produces a list of all GroupAggregateVarInfos, each of which represents a single group aggregate
// and it candidate function aggregates. It also produces a delegate that given a child node returns the parent node
// </summary>
internal static IEnumerable <GroupAggregateVarInfo> Process(Command itree, out TryGetValue tryGetParent)
{
var groupRefComputingVisitor = new GroupAggregateRefComputingVisitor(itree);
groupRefComputingVisitor.VisitNode(itree.Root);
tryGetParent = groupRefComputingVisitor._childToParent.TryGetValue;
return(groupRefComputingVisitor._groupAggregateVarInfoManager.GroupAggregateVarInfos);
}
private void Process()
{
foreach (GroupAggregateVarInfo groupAggregateVarInfo in GroupAggregateRefComputingVisitor.Process(this.m_command, out this.m_tryGetParent))
{
if (groupAggregateVarInfo.HasCandidateAggregateNodes)
{
foreach (KeyValuePair <System.Data.Entity.Core.Query.InternalTrees.Node, System.Data.Entity.Core.Query.InternalTrees.Node> candidateAggregateNode in groupAggregateVarInfo.CandidateAggregateNodes)
{
this.TryProcessCandidate(candidateAggregateNode, groupAggregateVarInfo);
}
}
}
}
/// <summary>
/// The main driver
/// </summary>
private void Process()
{
var groupAggregateVarInfos = GroupAggregateRefComputingVisitor.Process(m_command, out m_tryGetParent);
foreach (var groupAggregateVarInfo in groupAggregateVarInfos)
{
if (groupAggregateVarInfo.HasCandidateAggregateNodes)
{
foreach (var candidate in groupAggregateVarInfo.CandidateAggregateNodes)
{
TryProcessCandidate(candidate, groupAggregateVarInfo);
}
}
}
}