public override string GetNodeName(string mappingDatabase, string mappingSchema, string mappingName)
{
if (string.IsNullOrEmpty(mappingSchema))
{
mappingSchema = defaultSchema;
}
return(FormatNodeName(schemaMapping.Apply(mappingSchema), mappingName));
}
// Constructors
public MultidatabaseMappingResolver(DomainConfiguration configuration, NodeConfiguration nodeConfiguration)
{
databaseMapping = new NameMappingCollection();
foreach (var database in configuration.Databases)
{
if (!string.IsNullOrEmpty(database.RealName))
{
databaseMapping.Add(database.Name, database.RealName);
}
}
foreach (var item in nodeConfiguration.DatabaseMapping)
{
databaseMapping.Add(item.Key, item.Value);
}
schemaMapping = nodeConfiguration.SchemaMapping;
defaultDatabase = configuration.DefaultDatabase;
defaultSchema = configuration.DefaultSchema;
var extractionTasksQuery =
from db in GetDatabases(configuration)
from schema in GetSchemasForDatabase(configuration, db)
select new SqlExtractionTask(databaseMapping.Apply(db), schemaMapping.Apply(schema));
extractionTasks = extractionTasksQuery.ToList();
reversedDatabaseMapping = new NameMappingCollection();
foreach (var mapping in databaseMapping)
{
reversedDatabaseMapping.Add(mapping.Value, mapping.Key);
}
reversedSchemaMapping = new NameMappingCollection();
foreach (var mapping in schemaMapping)
{
reversedSchemaMapping.Add(mapping.Value, mapping.Key);
}
var metadataSchema = schemaMapping.Apply(defaultSchema);
metadataTasks = extractionTasks.Where(t => t.Schema == metadataSchema).ToList();
}
public override MappingResolveResult Resolve(SchemaExtractionResult model, string nodeName)
{
var names = nodeName.Split(NameElementSeparator);
var schema = (model.IsShared)
? model.Catalogs.Single().Schemas[reversedSchemaMapping.Apply(names[0])]
: model.Catalogs.Single().Schemas[names[0]];
var name = names[1];
if (schema == null)
{
throw new InvalidOperationException(string.Format(Strings.ExUnableToResolveSchemaForNodeXPleaseVerifyThatThisSchemaExists, nodeName));
}
return(new MappingResolveResult(schema, name));
}
public override string GetNodeName(string mappingDatabase, string mappingSchema, string mappingName)
{
// The only reason this method accepts empty database or schema is HintGenerator.
// It needs resolving mapping information from previous upgrade
// which could be performed in different multidatabase/multischema mode.
// If such case occurs we simply use current domain defaults as mapping information.
if (string.IsNullOrEmpty(mappingDatabase))
{
mappingDatabase = defaultDatabase;
}
if (string.IsNullOrEmpty(mappingSchema))
{
mappingSchema = defaultSchema;
}
return(FormatNodeName(
databaseMapping.Apply(mappingDatabase),
schemaMapping.Apply(mappingSchema),
mappingName));
}
// Constructors
public MultischemaMappingResolver(DomainConfiguration configuration, NodeConfiguration nodeConfiguration,
DefaultSchemaInfo defaultSchemaInfo)
{
schemaMapping = nodeConfiguration.SchemaMapping;
defaultSchema = configuration.DefaultSchema;
extractionTasks = configuration.MappingRules
.Select(r => r.Schema)
.Where(s => !string.IsNullOrEmpty(s))
.Concat(Enumerable.Repeat(configuration.DefaultSchema, 1))
.Distinct()
.Select(s => new SqlExtractionTask(defaultSchemaInfo.Database, schemaMapping.Apply(s)))
.ToList();
reversedSchemaMapping = new NameMappingCollection();
foreach (var mapping in schemaMapping)
{
reversedSchemaMapping.Add(mapping.Value, mapping.Key);
}
metadataTask = new SqlExtractionTask(defaultSchemaInfo.Database, schemaMapping.Apply(defaultSchema));
}
