private List <IRouteValue> GetTableShardingValues(ShardingRule shardingRule, TableRule tableRule, ShardingCondition shardingCondition)
{
IShardingStrategy tableShardingStrategy = shardingRule.GetTableShardingStrategy(tableRule);
return(IsGettingShardingValuesFromHint(tableShardingStrategy)
? GetTableShardingValuesFromHint() : GetShardingValuesFromShardingConditions(shardingRule, tableShardingStrategy.GetShardingColumns(), shardingCondition));
}
private ICollection <DataNode> RouteTables(ShardingRule shardingRule, TableRule tableRule, string routedDataSource, List <IRouteValue> tableShardingValues)
{
ICollection <string> availableTargetTables = tableRule.GetActualTableNames(routedDataSource);
ICollection <string> routedTables = new HashSet <string>(tableShardingValues.IsEmpty() ? availableTargetTables
: shardingRule.GetTableShardingStrategy(tableRule).DoSharding(availableTargetTables, tableShardingValues, this.Properties));
ShardingAssert.If(routedTables.IsEmpty(), "no table route info");
ICollection <DataNode> result = new LinkedList <DataNode>();
foreach (var routedTable in routedTables)
{
result.Add(new DataNode(routedDataSource, routedTable));
}
return(result);
}
private bool IsRoutingByShardingConditions(ShardingRule shardingRule, TableRule tableRule)
{
return(!(shardingRule.GetDatabaseShardingStrategy(tableRule) is HintShardingStrategy || shardingRule.GetTableShardingStrategy(tableRule) is HintShardingStrategy));
}
private ICollection <DataNode> RouteByShardingConditionsWithCondition(ShardingRule shardingRule, TableRule tableRule)
{
ICollection <DataNode> result = new LinkedList <DataNode>();
foreach (var condition in ShardingConditions.Conditions)
{
ICollection <DataNode> dataNodes = Route0(shardingRule, tableRule,
GetShardingValuesFromShardingConditions(shardingRule, shardingRule.GetDatabaseShardingStrategy(tableRule).GetShardingColumns(), condition),
GetShardingValuesFromShardingConditions(shardingRule, shardingRule.GetTableShardingStrategy(tableRule).GetShardingColumns(), condition));
result.AddAll(dataNodes);
OriginalDataNodes.Add(dataNodes);
}
return(result);
}
private bool IsRoutingByHint(ShardingRule shardingRule, TableRule tableRule)
{
return(shardingRule.GetDatabaseShardingStrategy(tableRule) is HintShardingStrategy && shardingRule.GetTableShardingStrategy(tableRule) is HintShardingStrategy);
}