public string GetOracleServerConnectionString(ActionEnum actionEnum, string dbNodeName)
{
if (!_boolInital)
{
InitalCustomDBProxyConfigManagement(GroupTypeEnum.OracleServer, dbNodeName);
}
TimeSpan tsEnd = TimeSpan.FromTicks(DateTime.Now.Ticks);
if (actionEnum == ActionEnum.Read)
{
if (tsEnd.Subtract(LastWriteOprationTimeSpan).TotalSeconds >= CurrentDBNode.Duration)
{
int actionNodeNewCompositeWeight = _randomDBNodeTotalCompositeWeight.Next(1, _dbNodeTotalCompositeWeight);
ActionNode actionNode = GetActionNodeByNewCompositeWeight(actionNodeNewCompositeWeight, _currentDBNode);
return(actionNode.ConnectionString);
}
else
{
return(_lastWriteOprationConnectionString);
}
}
else
{
if (tsEnd.Subtract(LastWriteOprationTimeSpan).TotalSeconds >= CurrentDBNode.Duration)
{
int readWriteActionNodeNewCompositeWeight = _randomDBNodeReadWriteTotalCompositeWeight.Next(1, _dbNodeReadWriteTotalCompositeWeight);
ActionNode actionNode = GetReadWriteActionNodeByNewCompositeWeight(readWriteActionNodeNewCompositeWeight, _currentReadWriteActionNodes);
LastWriteOprationTimeSpan = TimeSpan.FromTicks(DateTime.Now.Ticks);
_lastWriteOprationConnectionString = actionNode.ConnectionString;
return(actionNode.ConnectionString);
}
else
{
return(_lastWriteOprationConnectionString);
}
}
}
protected DBNode SetActionNodesCompositeWeight(CustomDBGroup customDBGroup, string dbNodeName, out int dbNodeTotalCompositeWeight, out IList <ActionNode> readWriteActionNodes, out int dbNodeReadWriteTotalCompositeWeight)
{
int intReadWriteImpactFactor = customDBGroup.DBNodes.ReadWriteImpactFactor;
int intConstReadWrite = customDBGroup.DBNodes.ConstReadWrite;
int intConstRead = customDBGroup.DBNodes.ConstRead;
DBNode dbNode = GetCurrentDBNode(customDBGroup.GroupTypeEnum, dbNodeName);
foreach (ActionNode aNode in dbNode)
{
switch (aNode.ActionEnum)
{
case ActionEnum.Read:
aNode.CompositeWeight = intReadWriteImpactFactor * intConstRead + aNode.Weight;
break;
case ActionEnum.ReadWrite:
aNode.CompositeWeight = intReadWriteImpactFactor * intConstReadWrite + aNode.Weight;
break;
}
}
var objActionList = from a in dbNode.Cast <ActionNode>()
orderby a.CompositeWeight ascending
select a;
foreach (ActionNode aNode in objActionList)
{
var objListP = from n in objActionList
where n.CompositeWeight <= aNode.CompositeWeight
select n;
int intTotalCompositeWeight = objListP.Sum <ActionNode>(actionNode => actionNode.CompositeWeight);
aNode.CompositeWeightRangeEnd = intTotalCompositeWeight;
aNode.CompositeWeightRangeStart = intTotalCompositeWeight - aNode.CompositeWeight + 1;
}
dbNodeTotalCompositeWeight = objActionList.Sum <ActionNode>(actionNode => actionNode.CompositeWeight);
var objReadWriteActionNodeList = from aNode in objActionList
where aNode.ActionEnum == ActionEnum.ReadWrite
select aNode;
dbNodeReadWriteTotalCompositeWeight = objReadWriteActionNodeList.Sum <ActionNode>(aNode => aNode.CompositeWeight);
List <ActionNode> listReadWriteActionNodes = new List <ActionNode>();
foreach (ActionNode aNode in objReadWriteActionNodeList)
{
var objListP = from n in objReadWriteActionNodeList
where n.CompositeWeight <= aNode.CompositeWeight
select n;
int intTotalReadWriteCompositeWeight = objListP.Sum <ActionNode>(actionNode => actionNode.CompositeWeight);
ActionNode tempNode = new ActionNode(aNode.Name, aNode.ActionEnum, aNode.Weight, aNode.CompositeWeight, intTotalReadWriteCompositeWeight - aNode.CompositeWeight + 1, intTotalReadWriteCompositeWeight, aNode.ConnectionString);
listReadWriteActionNodes.Add(tempNode);
}
readWriteActionNodes = listReadWriteActionNodes;
return(dbNode);
}
protected DBNode SetActionNodesCompositeWeight(CustomDBGroup customDBGroup, string dbNodeName, out int dbNodeTotalCompositeWeight, out IList<ActionNode> readWriteActionNodes, out int dbNodeReadWriteTotalCompositeWeight)
{
int intReadWriteImpactFactor = customDBGroup.DBNodes.ReadWriteImpactFactor;
int intConstReadWrite = customDBGroup.DBNodes.ConstReadWrite;
int intConstRead = customDBGroup.DBNodes.ConstRead;
DBNode dbNode = GetCurrentDBNode(customDBGroup.GroupTypeEnum, dbNodeName);
foreach (ActionNode aNode in dbNode)
{
switch (aNode.ActionEnum)
{
case ActionEnum.Read:
aNode.CompositeWeight = intReadWriteImpactFactor * intConstRead + aNode.Weight;
break;
case ActionEnum.ReadWrite:
aNode.CompositeWeight = intReadWriteImpactFactor * intConstReadWrite + aNode.Weight;
break;
}
}
var objActionList = from a in dbNode.Cast<ActionNode>()
orderby a.CompositeWeight ascending
select a;
foreach (ActionNode aNode in objActionList)
{
var objListP = from n in objActionList
where n.CompositeWeight <= aNode.CompositeWeight
select n;
int intTotalCompositeWeight = objListP.Sum<ActionNode>(actionNode => actionNode.CompositeWeight);
aNode.CompositeWeightRangeEnd = intTotalCompositeWeight;
aNode.CompositeWeightRangeStart = intTotalCompositeWeight - aNode.CompositeWeight + 1;
}
dbNodeTotalCompositeWeight = objActionList.Sum<ActionNode>(actionNode => actionNode.CompositeWeight);
var objReadWriteActionNodeList = from aNode in objActionList
where aNode.ActionEnum == ActionEnum.ReadWrite
select aNode;
dbNodeReadWriteTotalCompositeWeight = objReadWriteActionNodeList.Sum<ActionNode>(aNode => aNode.CompositeWeight);
List<ActionNode> listReadWriteActionNodes = new List<ActionNode>();
foreach (ActionNode aNode in objReadWriteActionNodeList)
{
var objListP = from n in objReadWriteActionNodeList
where n.CompositeWeight <= aNode.CompositeWeight
select n;
int intTotalReadWriteCompositeWeight = objListP.Sum<ActionNode>(actionNode => actionNode.CompositeWeight);
ActionNode tempNode = new ActionNode(aNode.Name, aNode.ActionEnum, aNode.Weight, aNode.CompositeWeight, intTotalReadWriteCompositeWeight - aNode.CompositeWeight + 1, intTotalReadWriteCompositeWeight, aNode.ConnectionString);
listReadWriteActionNodes.Add(tempNode);
}
readWriteActionNodes = listReadWriteActionNodes;
return dbNode;
}