public Aggregator()
{
Node = new AggregateNode();
Routers = new List <IRouter>();
Collectors = new List <ICollector>();
Finalizers = new List <IFinalizer>();
}
private void ProcessRetriever(object obj, IScope scope, IRouter retriever, AggregateNode current)
{
if (!retriever.Filter(obj, current, scope))
{
return;
}
var subnode = string.IsNullOrWhiteSpace(retriever.Key) ? current : current.GetNode(retriever.Key);
subnode.IsBucket = true;
subnode.RouteKey = new RouteKey(retriever.Key);
AggregateNode keynode = subnode;
SetValues(obj, scope, subnode);
var key = retriever.GetKey(obj, scope);
if (null != key)
{
keynode = subnode.GetNode(key.Key);
keynode.RouteKey = key;
SetValues(obj, scope, keynode);
}
if (retriever.HasChildren)
{
foreach (var r in retriever.Children)
{
ProcessRetriever(obj, scope, r, keynode);
}
}
}
public virtual void Execute(AggregateNode node)
{
if (null != ExecuteFunction)
{
ExecuteFunction(node);
}
}
public virtual bool Filter(object o, AggregateNode current, IScope scope)
{
if (null != FilterFunc)
{
return(FilterFunc(o, current, scope));
}
return(true);
}
protected virtual object InternalGetValue(object src, object currentValue, AggregateNode trg, IScope scope)
{
if (null != ValueFunction)
{
{
return(ValueFunction(src, currentValue, trg, scope));
}
}
return(null);
}
public override object GetValue(object src, object currentValue, AggregateNode trg, IScope scope)
{
var result = InternalGetValue(src, currentValue, trg, scope);
if (null != result)
{
var dec = result.ToDecimal();
var current = currentValue.ToDecimal();
return(current + dec);
}
return(currentValue);
}
public override object GetValue(object src, object currentValue, AggregateNode trg, IScope scope)
{
var result = InternalGetValue(src, currentValue, trg, scope);
if (!Equals(0,result)) {
var i = result.ToInt();
if (0 == i) {
i = 1;
}
return currentValue.ToInt() + i;
}
return currentValue.ToInt();
}
public override object GetValue(object src, object currentValue, AggregateNode trg, IScope scope)
{
var result = InternalGetValue(src, currentValue, trg, scope);
if (!Equals(0, result))
{
var i = result.ToInt();
if (0 == i)
{
i = 1;
}
return(currentValue.ToInt() + i);
}
return(currentValue.ToInt());
}
private void SetValues(object obj, IScope scope, AggregateNode current)
{
foreach (var collector in Collectors)
{
if (!collector.Filter(obj, current, scope))
{
continue;
}
var currentValue = current.GetValue(collector.Key);
var newValue = collector.GetValue(obj, currentValue, current, scope);
if (currentValue != newValue && null != newValue)
{
current.SetValue(collector.Key, newValue);
}
}
}
public override object GetValue(object src, object currentValue, AggregateNode trg, IScope scope)
{
var result = InternalGetValue(src, currentValue, trg, scope);
if (null == result)
{
return(currentValue);
}
var key = trg.Id + "_" + this.Id;
var val = result.ToStr();
var vals = scope.Ensure(key, new List <string>());
if (vals.Contains(val))
{
return(currentValue);
}
vals.Add(val);
return(currentValue.ToInt() + 1);
}
public AggregateNode GetNode(string name, params string[] path)
{
if (name.Contains("/") || name.Contains("."))
{
var p = name.SmartSplit(false, true, '/', '.');
return(GetNode(p[0], p.Skip(1).ToArray()));
}
if (path != null && 0 != path.Length)
{
var current = GetNode(name);
foreach (var s in path)
{
current = current.GetNode(s);
}
return(current);
}
if (!Children.ContainsKey(name))
{
return(Children[name] = new AggregateNode {
Parent = this
});
}
return(Children[name]);
}
public virtual bool Filter(object src, AggregateNode trg, IScope scope)
{
return(true);
}
public virtual object GetValue(object src, object currentValue, AggregateNode trg, IScope scope)
{
var result = InternalGetValue(src, currentValue, trg, scope);
return(result ?? currentValue);
}
public AggregateNode GetNode(string name, params string[] path) {
if (name.Contains("/") || name.Contains(".")) {
var p = name.SmartSplit(false, true, '/','.');
return GetNode(p[0], p.Skip(1).ToArray());
}
if (path != null && 0 != path.Length) {
var current = GetNode(name);
foreach (var s in path) {
current = current.GetNode(s);
}
return current;
}
if (!Children.ContainsKey(name)) {
return Children[name] = new AggregateNode {Parent = this};
}
return Children[name];
}
public virtual bool Filter(object o, AggregateNode current, IScope scope) {
if (null != FilterFunc) {
return FilterFunc(o, current, scope);
}
return true;
}
