protected virtual ISchemaGraphBuilder OnAdd(IEnumerable <ITableConfig> tables, IEnumerable <IIndexConfig> indexes, IEnumerable <IRelationConfig> relations, SchemaFlags flags)
{
var queries = new List <ISchemaGraphBuilder>();
if (flags.HasFlag(SchemaFlags.Table))
{
queries.Add(this.OnAddTables(tables));
}
if (flags.HasFlag(SchemaFlags.Index))
{
queries.Add(this.OnAddIndexes(indexes));
}
if (flags.HasFlag(SchemaFlags.Relation))
{
queries.Add(this.OnAddRelations(relations));
}
return(new AggregateSchemaGraphBuilder(
this.Database,
queries
));
}
protected virtual void GetSchema(ITableConfig table, out HashSet <ITableConfig> tables, out HashSet <IIndexConfig> indexes, out HashSet <IRelationConfig> relations, SchemaFlags flags)
{
tables = new HashSet <ITableConfig>();
indexes = new HashSet <IIndexConfig>();
relations = new HashSet <IRelationConfig>();
if (flags.HasFlag(SchemaFlags.Recursive))
{
var queue = new Queue <ITableConfig>();
queue.Enqueue(table);
while (queue.Count > 0)
{
table = queue.Dequeue();
if (!tables.Add(table))
{
continue;
}
foreach (var index in table.Indexes)
{
indexes.Add(index);
}
foreach (var relation in table.Relations)
{
relations.Add(relation);
if (relation.MappingTable != null && !relation.MappingTable.Flags.HasFlag(TableFlags.Shared))
{
queue.Enqueue(relation.MappingTable);
}
if (relation.RightTable != null && !relation.RightTable.Flags.HasFlag(TableFlags.Shared))
{
queue.Enqueue(relation.RightTable);
}
}
}
}
else
{
tables.Add(table);
indexes.AddRange(table.Indexes);
relations.AddRange(table.Relations);
}
}
