public bool TryGetValue(TJoinKey key, out IDimRow <TJoinKey> value)
{
IDimRow <TJoinKey> hit;
if (this.m_dict.TryGetValue(key, out hit))
{
hit.LastHitTime = DateTime.UtcNow;
this.m_rowPriorityQueue.Replace(hit.Handle, hit);
value = hit;
return(true);
}
else
{
value = null;
return(false);
}
}
public override int Compare(IDimRow <TJoinKey> x, IDimRow <TJoinKey> y)
{
TimeSpan span = x.LastHitTime - y.LastHitTime;
if (span.Ticks < 0)
{
return(-1);
}
else if (span.Ticks > 0)
{
return(1);
}
else
{
return(0);
}
}
public bool TryAdd(TJoinKey key, IDimRow <TJoinKey> row)
{
if (this.m_dict.ContainsKey(key))
{
return(false);
}
else
{
this.m_dict.Add(key, row);
IPriorityQueueHandle <IDimRow <TJoinKey> > handle = null;
this.m_rowPriorityQueue.Add(ref handle, row);
row.Handle = handle;
while (this.m_dict.Count > this.m_sizeLimit)
{
var discardRow = this.m_rowPriorityQueue.DeleteMin();
this.m_dict.Remove(discardRow.JoinOn);
}
return(true);
}
}
protected override void OnSuccessfulLookup(OrderEx input, IDimRow <string> rowInDimTable)
{
//what we want is just the key column of the dimension row
input.ProductKey = rowInDimTable.AutoIncrementKey;
}
/// <summary> /// The function to call when an input item finds a row in the dimension table by joining condition. /// Usually the implementation of this method should assign to some fields/properties(e.g. key column) of the input item according to the dimension row. /// </summary> protected abstract void OnSuccessfulLookup(TIn input, IDimRow <TLookupKey> rowInDimTable);
protected override void OnSuccessfulLookup(Trunk input, IDimRow <byte[]> rowInDimTable)
{
Assert.IsTrue(TestUtils.ArrayEqual(input.Pointer, rowInDimTable.JoinOn));
//Assert.AreEqual("Str" + Encoding.UTF8.GetString(input.Pointer), rowInDimTable["StrValue"]);
this.Count++;
}
protected override void OnSuccessfulLookup(Trunk input, IDimRow <string> rowInDimTable)
{
Assert.AreEqual(input.Pointer, rowInDimTable.JoinOn);
//Assert.AreEqual("Str" + input.Pointer, rowInDimTable["StrValue"]);
this.Count++;
}
