public IContext CreateContext(
IBootstrapper bootstrapper,
SegmentConfiguration segmentConfiguration,
int segmentIndex,
int segmentCount,
IDictionary <string, object> runData)
{
IContext context;
IEnumerable <IExternalSystem>
externalSystems = this.CreateExternalSystems();
IExternalSystem sourceSystem =
this.GetSourceSystem(segmentConfiguration, externalSystems);
IEnumerable <IEntityType> entityTypes =
this.CreateEntityTypes(sourceSystem, externalSystems);
IEntityType entityType =
this.GetEntityType(segmentConfiguration.EntityType, entityTypes);
IReadOnlyDictionary <string, string> parameters =
this.AssembleParameters(bootstrapper, entityType, sourceSystem);
context = new Context(
segmentConfiguration.Type,
segmentIndex,
segmentCount,
sourceSystem,
entityType,
externalSystems,
entityTypes,
parameters,
runData);
return(context);
}
public EntityType(
Persistence.IEntityType entityType,
IExternalSystem destinationSystem,
IEnumerable <IExternalSystem> sharedIdentifierSourceSystems)
{
this.entityType = entityType;
this.destinationSystem = destinationSystem;
this.type = this.GetEntityType(entityType);
this.sharedIdentifierSourceSystems = sharedIdentifierSourceSystems;
}
private void ValidateExternalSystem(
IExternalSystem externalSystem, string methodName)
{
if (externalSystem.Id == Guid.Empty ||
string.IsNullOrWhiteSpace(externalSystem.Name))
{
throw new InvalidOperationException(string.Format(
Resources.RepositoryMethodReturnedInvalidExternalSystem,
methodName));
}
}
private IReadOnlyDictionary <string, string> AssembleParameters(
IBootstrapper bootstrapper,
IEntityType entityType,
IExternalSystem sourceSystem)
{
IParametersAssembler parametersAssembler
= bootstrapper.Get <IParametersAssembler>();
return(parametersAssembler.AssembleParameters(
entityType.DestinationSystem.Id,
entityType.Id,
sourceSystem != null ? (Guid?)sourceSystem.Id : null));
}
private IEnumerable <IEntityType> CreateEntityTypes(
IExternalSystem sourceSystem,
IEnumerable <IExternalSystem> externalSystems)
{
IEnumerable <IEntityType> entityTypes;
IDictionary <Guid, IExternalSystem> externalSystemsById =
externalSystems
.ToDictionary(externalSystem => externalSystem.Id);
if (sourceSystem != null)
{
IDictionary <Guid, IEnumerable <Guid> > sharedIdentifierSourceSystemIds =
this
.sharedIdentifierSourceSystems
.Where(siss => siss.SourceSystemId == sourceSystem.Id)
.GroupBy(siss => siss.EntityTypeId)
.ToDictionary(
group => group.Key,
group => group.Select(
siss => siss.SharedIdentifierSourceSystemId));
entityTypes =
this
.entityTypes
.Select(entityType => new EntityType(
entityType,
this.GetExternalSystem(
entityType.DestinationSystemId, externalSystemsById),
this.GetSharedIdentifierSourceSystems(
entityType.Id,
sharedIdentifierSourceSystemIds,
externalSystemsById)))
.ToArray();
}
else
{
entityTypes =
this
.entityTypes
.Select(entityType => new EntityType(
entityType,
this.GetExternalSystem(
entityType.DestinationSystemId, externalSystemsById),
null))
.ToArray();
}
return(entityTypes);
}
private IEnumerable <IExternalSystem> GetSharedIdentifierSourceSystems(
Guid entityTypeId,
IDictionary <Guid, IEnumerable <Guid> > sharedIdentifierSourceSystemIds,
IDictionary <Guid, IExternalSystem> externalSystemsById)
{
var sharedIdentifierSourceSystems = new IExternalSystem[0];
if (sharedIdentifierSourceSystemIds
.TryGetValue(entityTypeId, out IEnumerable <Guid> sourceSystemIds))
{
sharedIdentifierSourceSystems =
sourceSystemIds
.Select(id => this.GetExternalSystem(id, externalSystemsById))
.ToArray();
}
return(sharedIdentifierSourceSystems);
}
private IExternalSystem GetSourceSystem(
SegmentConfiguration segmentConfiguration,
IEnumerable <IExternalSystem> externalSystems)
{
IExternalSystem sourceSystem = null;
string sourceSystemName = this.GetSourceSystemName(segmentConfiguration);
if (sourceSystemName != null)
{
sourceSystem = this.parent.Single(
externalSystems,
this.GetSourceSystemName(segmentConfiguration),
externalSystem => externalSystem.Name,
Resources.SourceSystemNotFound);
}
return(sourceSystem);
}
public Context(
SegmentType segmentType,
int segmentIndex,
int segmentCount,
IExternalSystem sourceSystem,
IEntityType entityType,
IEnumerable <IExternalSystem> externalSystems,
IEnumerable <IEntityType> entityTypes,
IReadOnlyDictionary <string, string> parameters,
IDictionary <string, object> runData)
{
this.segmentType = segmentType;
this.segmentIndex = segmentIndex;
this.segmentCount = segmentCount;
this.sourceSystem = sourceSystem;
this.entityType = entityType;
this.externalSystems = externalSystems;
this.entityTypes = entityTypes;
this.parameters = parameters;
this.runData = runData;
}
/// <summary>
/// Creates or updates the specified external system.
/// </summary>
/// <param name="externalSystem">The external system to create or update.</param>
public void CreateOrUpdateExternalSystem(IExternalSystem externalSystem)
{
this.context.CreateOrUpdateExternalSystem(
externalSystem.Id, externalSystem.Name);
}
/// <summary>
/// Creates or updates the specified external system.
/// </summary>
/// <param name="externalSystem">The external system to create or update.</param>
public void CreateOrUpdateExternalSystem(IExternalSystem externalSystem)
{
this.Invoke(
() => this.repository.CreateOrUpdateExternalSystem(externalSystem),
nameof(this.repository.CreateOrUpdateExternalSystem));
}
