public static CreateUniqueIndexGene FromMemento(GeneMemento memento, IImmutableDictionary <BigInteger, Gene> genesByHashCode)
{
return(new CreateUniqueIndexGene(
(CreateTableGene)genesByHashCode[memento.Prerequisites["Parent"].Single()],
memento.Prerequisites["Columns"].Select(p => genesByHashCode[p]).OfType <CreateColumnGene>(),
memento.Prerequisites["Prerequisites"].Select(x => genesByHashCode[x]).ToImmutableList()));
}
public static CreateTableGene FromMemento(GeneMemento memento, IImmutableDictionary <BigInteger, Gene> genesByHashCode)
{
return(new CreateTableGene(
(UseSchemaGene)genesByHashCode[memento.Prerequisites["Parent"].Single()],
memento.Attributes["TableName"],
memento.Prerequisites["Prerequisites"].Select(p => genesByHashCode[p]).ToImmutableList()));
}
public static UseSchemaGene FromMemento(GeneMemento memento, IImmutableDictionary <BigInteger, Gene> genesByHashCode)
{
return(new UseSchemaGene(
memento.Attributes["DatabaseName"],
memento.Attributes["SchemaName"],
memento.Prerequisites["Prerequisites"].Select(p => genesByHashCode[p]).ToImmutableList()));
}
private string GenerateGeneValue(GeneMemento gene)
{
string attributes = JsonConvert.SerializeObject(gene.Attributes);
string hex = $"0x{gene.HashCode.ToString("X64")}";
return($@"
('{gene.Type}', {hex}, '{attributes.Replace("'", "''")}')");
}
public static CreateColumnGene FromMemento(GeneMemento memento, IImmutableDictionary <BigInteger, Gene> genesByHashCode)
{
return(new CreateColumnGene(
(CreateTableGene)genesByHashCode[memento.Prerequisites["Parent"].Single()],
memento.Attributes["ColumnName"],
memento.Attributes["TypeDescriptor"],
memento.Attributes["Nullable"] == "true",
memento.Prerequisites["Prerequisites"].Select(x => genesByHashCode[x]).ToImmutableList()));
}
public static CreateForeignKeyGene FromMemento(GeneMemento memento, IImmutableDictionary <BigInteger, Gene> genesByHashCode)
{
return(new CreateForeignKeyGene(
(CreateIndexGene)genesByHashCode[memento.Prerequisites["Parent"].Single()],
(CreatePrimaryKeyGene)genesByHashCode[memento.Prerequisites["Referencing"].Single()],
memento.Attributes["CascadeDelete"] == "true",
memento.Attributes["CascaseUpdate"] == "true",
memento.Prerequisites["Prerequisites"].Select(x => genesByHashCode[x]).ToImmutableList()));
}
private static GeneMemento LoadMemento(LookaheadEnumerator <EvolutionHistoryRow> enumerator)
{
var type = enumerator.Current.Type;
var hashCode = enumerator.Current.HashCode;
var attributes = enumerator.Current.Attributes;
var roles = LoadRoles(hashCode, enumerator);
var geneAttributes = JsonConvert.DeserializeObject <Dictionary <string, string> >(attributes);
var memento = new GeneMemento(
type,
geneAttributes,
hashCode,
roles);
return(memento);
}
public static DropColumnGene FromMemento(GeneMemento memento, IImmutableDictionary <BigInteger, Gene> genesByHashCode)
{
return(new DropColumnGene(
(CreateColumnGene)genesByHashCode[memento.Prerequisites["Parent"].Single()],
memento.Prerequisites["Prerequisites"].Select(x => genesByHashCode[x]).ToImmutableList()));
}
