Multitenancy Support

[JasonMWebb]

Add multitenancy support for entities, and persistence operations. Needs to include tenant resolver for the following scenarios:

• Web/identity claims
• Web/session
• Web/Cookie
• Web/Domain Http Header or URI
• LocalThreadContext

Tenancy Models to support:

• Single Tenant (One Data Store per Tenant)
• Multi Tenant (One Data Store per Multiple Tenants)
• Mixed Mode (Possibility to separate certain Tenants from multi tenant data store based on criteria)

Will also need to create connection string factory to support dynamically changing connection strings based on tenancy model.

[jasonmwebb-lv]

There is nothing that currently prevents a multi-tenant strategy from being implemented though it could almost certainly be made easier. The biggest issue surrounding multitenancy is the management of connection strings which is currently correlated with the DataSourceProvider. As it stands, a developer can inject their own factory into a service and dynamically set the datasource name based on multitenancy requirement so this is not a high priority.

[JasonMWebb]

I recommend that we use this as the initial implementation. It seems to be comprehensive: FinBuckle