private List <IRouteValue> GetDatabaseShardingValues(ShardingRule shardingRule, TableRule tableRule, ShardingCondition shardingCondition)
{
var dataBaseShardingStrategy = shardingRule.GetDatabaseShardingStrategy(tableRule);
return(IsGettingShardingValuesFromHint(dataBaseShardingStrategy)
? GetDatabaseShardingValuesFromHint() : GetShardingValuesFromShardingConditions(shardingRule, dataBaseShardingStrategy.GetShardingColumns(), shardingCondition));
}
private ICollection <DataNode> RouteByMixedConditionsWithHint(ShardingRule shardingRule, TableRule tableRule)
{
if (shardingRule.GetDatabaseShardingStrategy(tableRule) is HintShardingStrategy)
{
return(Route0(shardingRule, tableRule, GetDatabaseShardingValuesFromHint(), new List <IRouteValue>(0)));
}
return(Route0(shardingRule, tableRule, new ArrayList <IRouteValue>(0), GetTableShardingValuesFromHint()));
}
private ICollection <string> RouteDataSources(ShardingRule shardingRule, TableRule tableRule, List <IRouteValue> databaseShardingValues)
{
if (databaseShardingValues.IsEmpty())
{
return(tableRule.GetActualDatasourceNames());
}
ICollection <string> result = new HashSet <string>(shardingRule.GetDatabaseShardingStrategy(tableRule).DoSharding(tableRule.GetActualDatasourceNames(), databaseShardingValues, this.Properties));
ShardingAssert.If(result.IsEmpty(), "no database route info");
ShardingAssert.Else(tableRule.GetActualDatasourceNames().All(o => result.Contains(o)), $"Some routed data sources do not belong to configured data sources. routed data sources: `{result}`, configured data sources: `{tableRule.GetActualDatasourceNames()}`");
return(result);
}
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 IsRoutingByShardingConditions(ShardingRule shardingRule, TableRule tableRule)
{
return(!(shardingRule.GetDatabaseShardingStrategy(tableRule) is HintShardingStrategy || shardingRule.GetTableShardingStrategy(tableRule) is HintShardingStrategy));
}
private bool IsRoutingByHint(ShardingRule shardingRule, TableRule tableRule)
{
return(shardingRule.GetDatabaseShardingStrategy(tableRule) is HintShardingStrategy && shardingRule.GetTableShardingStrategy(tableRule) is HintShardingStrategy);
}