public static Gene Load(GeneMemento memento, IImmutableDictionary <BigInteger, Gene> genesByHashCode)
{
switch (memento.Type)
{
case nameof(UseSchemaGene):
return(UseSchemaGene.FromMemento(memento, genesByHashCode));
case nameof(CreateTableGene):
return(CreateTableGene.FromMemento(memento, genesByHashCode));
case nameof(CreateColumnGene):
return(CreateColumnGene.FromMemento(memento, genesByHashCode));
case nameof(DropColumnGene):
return(DropColumnGene.FromMemento(memento, genesByHashCode));
case nameof(CreatePrimaryKeyGene):
return(CreatePrimaryKeyGene.FromMemento(memento, genesByHashCode));
case nameof(CreateUniqueIndexGene):
return(CreateUniqueIndexGene.FromMemento(memento, genesByHashCode));
case nameof(CreateIndexGene):
return(CreateIndexGene.FromMemento(memento, genesByHashCode));
case nameof(CreateForeignKeyGene):
return(CreateForeignKeyGene.FromMemento(memento, genesByHashCode));
case nameof(CustomSqlGene):
return(CustomSqlGene.FromMemento(memento, genesByHashCode));
default:
throw new ArgumentException($"Unknown type {memento.Type}");
}
}
public SchemaSpecification UseSchema(string schemaName)
{
var gene = new UseSchemaGene(_databaseName, schemaName, Prerequisites);
EvolutionHistoryBuilder.Append(gene);
gene.AddToParent();
return(new SchemaSpecification(gene, EvolutionHistoryBuilder));
}
internal SchemaSpecification(UseSchemaGene gene, EvolutionHistoryBuilder evolutionHistoryBuilder) :
base(evolutionHistoryBuilder)
{
_gene = gene;
}