# LINGYUN.Abp.Saas.Domain SaaS domain layer module, defining core domain models, repository interfaces and domain services for tenants and editions. ## Core Features * Tenant Entity: Contains tenant basic information, status, expiration time, etc. * Edition Entity: Contains edition basic information * TenantConnectionString: Manages tenant database connections * TenantManager: Handles tenant-related business logic * EditionManager: Handles edition-related business logic * EditionDataSeeder: Provides default edition data initialization ## Domain Events * Tenant creation, update, deletion events * Edition creation, update, deletion events * Tenant connection string change events ## Cache Management * Tenant Cache: Cache tenant information to improve query performance * Edition Cache: Cache edition information to improve query performance ## More [简体中文](README.md)