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{importClassesFromDirectories} from \"../util/DirectoryExportedClassesLoader\";\nimport {OrmUtils} from \"../util/OrmUtils\";\nimport {getFromContainer} from \"../container\";\nimport {MigrationInterface} from \"../migration/MigrationInterface\";\nimport {getMetadataArgsStorage} from \"../index\";\nimport {EntityMetadataBuilder} from \"../metadata-builder/EntityMetadataBuilder\";\nimport {EntitySchemaTransformer} from \"../entity-schema/EntitySchemaTransformer\";\nimport {Connection} from \"./Connection\";\nimport {EntitySchema} from \"../entity-schema/EntitySchema\";\nimport {EntityMetadata} from \"../metadata/EntityMetadata\";\nimport {EntitySubscriberInterface} from \"../subscriber/EntitySubscriberInterface\";\n\n/**\n * Builds migration instances, subscriber instances and entity metadatas for the given classes.\n */\nexport class ConnectionMetadataBuilder {\n\n // -------------------------------------------------------------------------\n // Constructor\n // -------------------------------------------------------------------------\n\n constructor(protected connection: Connection) {\n }\n\n // -------------------------------------------------------------------------\n // Public Methods\n // -------------------------------------------------------------------------\n\n /**\n * Builds migration instances for the given classes or directories.\n */\n buildMigrations(migrations: (Function|string)[]): MigrationInterface[] {\n const [migrationClasses, migrationDirectories] = OrmUtils.splitClassesAndStrings(migrations);\n const allMigrationClasses = [...migrationClasses, ...importClassesFromDirectories(migrationDirectories)];\n return allMigrationClasses.map(migrationClass => getFromContainer<MigrationInterface>(migrationClass));\n }\n\n /**\n * Builds subscriber instances for the given classes or directories.\n */\n buildSubscribers(subscribers: (Function|string)[]): EntitySubscriberInterface<any>[] {\n const [subscriberClasses, subscriberDirectories] = OrmUtils.splitClassesAndStrings(subscribers || []);\n const allSubscriberClasses = [...subscriberClasses, ...importClassesFromDirectories(subscriberDirectories)];\n return getMetadataArgsStorage()\n .filterSubscribers(allSubscriberClasses)\n .map(metadata => getFromContainer<EntitySubscriberInterface<any>>(metadata.target));\n }\n\n /**\n * Builds entity metadatas for the given classes or directories.\n */\n buildEntityMetadatas(entities: (Function|EntitySchema<any>|string)[]): EntityMetadata[] {\n // todo: instead we need to merge multiple metadata args storages\n\n const [entityClassesOrSchemas, entityDirectories] = OrmUtils.splitClassesAndStrings(entities || []);\n const entityClasses: Function[] = entityClassesOrSchemas.filter(entityClass => (entityClass instanceof EntitySchema) === false) as any;\n const entitySchemas: EntitySchema<any>[] = entityClassesOrSchemas.filter(entityClass => entityClass instanceof EntitySchema) as any;\n\n const allEntityClasses = [...entityClasses, ...importClassesFromDirectories(entityDirectories)];\n allEntityClasses.forEach(entityClass => { // if we have entity schemas loaded from directories\n if (entityClass instanceof EntitySchema) {\n entitySchemas.push(entityClass);\n allEntityClasses.slice(allEntityClasses.indexOf(entityClass), 1);\n }\n });\n const decoratorEntityMetadatas = new EntityMetadataBuilder(this.connection, getMetadataArgsStorage()).build(allEntityClasses);\n\n const metadataArgsStorageFromSchema = new EntitySchemaTransformer().transform(entitySchemas);\n const schemaEntityMetadatas = new EntityMetadataBuilder(this.connection, metadataArgsStorageFromSchema).build();\n\n return [...decoratorEntityMetadatas, ...schemaEntityMetadatas];\n }\n\n}"],"sourceRoot":".."}
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