
import { QueryRunner } from "../../query-runner/QueryRunner";
import { ObjectLiteral } from "../../common/ObjectLiteral";
import { TableColumn } from "../../schema-builder/table/TableColumn";
import { Table } from "../../schema-builder/table/Table";
import { TableForeignKey } from "../../schema-builder/table/TableForeignKey";
import { TableIndex } from "../../schema-builder/table/TableIndex";
import { AggregationCursor, BulkWriteOpResultObject, Code, Collection, CollectionAggregationOptions, CollectionBluckWriteOptions, CollectionInsertManyOptions, CollectionInsertOneOptions, CollectionOptions, CollStats, CommandCursor, Cursor, Db, DeleteWriteOpResultObject, FindAndModifyWriteOpResultObject, FindOneAndReplaceOption, GeoHaystackSearchOptions, GeoNearOptions, InsertOneWriteOpResult, InsertWriteOpResult, MapReduceOptions, MongoCountPreferences, MongodbIndexOptions, OrderedBulkOperation, ParallelCollectionScanOptions, ReadPreference, ReplaceOneOptions, UnorderedBulkOperation, UpdateWriteOpResult } from "./typings";
import { Connection } from "../../connection/Connection";
import { ReadStream } from "../../platform/PlatformTools";
import { MongoEntityManager } from "../../entity-manager/MongoEntityManager";
import { SqlInMemory } from "../SqlInMemory";
import { TableUnique } from "../../schema-builder/table/TableUnique";
import { Broadcaster } from "../../subscriber/Broadcaster";
/**
 * Runs queries on a single MongoDB connection.
 */
export declare class MongoQueryRunner implements QueryRunner {
    /**
     * Connection used by this query runner.
     */
    connection: Connection;
    /**
     * Broadcaster used on this query runner to broadcast entity events.
     */
    broadcaster: Broadcaster;
    /**
     * Isolated entity manager working only with current query runner.
     */
    manager: MongoEntityManager;
    /**
     * Indicates if connection for this query runner is released.
     * Once its released, query runner cannot run queries anymore.
     * Always false for mongodb since mongodb has a single query executor instance.
     */
    isReleased: boolean;
    /**
     * Indicates if transaction is active in this query executor.
     * Always false for mongodb since mongodb does not support transactions.
     */
    isTransactionActive: boolean;
    /**
     * Stores temporarily user data.
     * Useful for sharing data with subscribers.
     */
    data: {};
    /**
     * All synchronized tables in the database.
     */
    loadedTables: Table[];
    /**
     * Real database connection from a connection pool used to perform queries.
     */
    databaseConnection: Db;
    constructor(connection: Connection, databaseConnection: Db);
    /**
     * Creates a cursor for a query that can be used to iterate over results from MongoDB.
     */
    cursor(collectionName: string, query?: ObjectLiteral): Cursor<any>;
    /**
     * Execute an aggregation framework pipeline against the collection.
     */
    aggregate(collectionName: string, pipeline: ObjectLiteral[], options?: CollectionAggregationOptions): AggregationCursor<any>;
    /**
     * Perform a bulkWrite operation without a fluent API.
     */
    bulkWrite(collectionName: string, operations: ObjectLiteral[], options?: CollectionBluckWriteOptions): Promise<BulkWriteOpResultObject>;
    /**
     * Count number of matching documents in the db to a query.
     */
    count(collectionName: string, query?: ObjectLiteral, options?: MongoCountPreferences): Promise<any>;
    /**
     * Creates an index on the db and collection.
     */
    createCollectionIndex(collectionName: string, fieldOrSpec: string | any, options?: MongodbIndexOptions): Promise<string>;
    /**
     * Creates multiple indexes in the collection, this method is only supported for MongoDB 2.6 or higher.
     * Earlier version of MongoDB will throw a command not supported error. Index specifications are defined at http://docs.mongodb.org/manual/reference/command/createIndexes/.
     */
    createCollectionIndexes(collectionName: string, indexSpecs: ObjectLiteral[]): Promise<void>;
    /**
     * Delete multiple documents on MongoDB.
     */
    deleteMany(collectionName: string, query: ObjectLiteral, options?: CollectionOptions): Promise<DeleteWriteOpResultObject>;
    /**
     * Delete a document on MongoDB.
     */
    deleteOne(collectionName: string, query: ObjectLiteral, options?: CollectionOptions): Promise<DeleteWriteOpResultObject>;
    /**
     * The distinct command returns returns a list of distinct values for the given key across a collection.
     */
    distinct(collectionName: string, key: string, query: ObjectLiteral, options?: {
        readPreference?: ReadPreference | string;
    }): Promise<any>;
    /**
     * Drops an index from this collection.
     */
    dropCollectionIndex(collectionName: string, indexName: string, options?: CollectionOptions): Promise<any>;
    /**
     * Drops all indexes from the collection.
     */
    dropCollectionIndexes(collectionName: string): Promise<any>;
    /**
     * Find a document and delete it in one atomic operation, requires a write lock for the duration of the operation.
     */
    findOneAndDelete(collectionName: string, query: ObjectLiteral, options?: {
        projection?: Object;
        sort?: Object;
        maxTimeMS?: number;
    }): Promise<FindAndModifyWriteOpResultObject>;
    /**
     * Find a document and replace it in one atomic operation, requires a write lock for the duration of the operation.
     */
    findOneAndReplace(collectionName: string, query: ObjectLiteral, replacement: Object, options?: FindOneAndReplaceOption): Promise<FindAndModifyWriteOpResultObject>;
    /**
     * Find a document and update it in one atomic operation, requires a write lock for the duration of the operation.
     */
    findOneAndUpdate(collectionName: string, query: ObjectLiteral, update: Object, options?: FindOneAndReplaceOption): Promise<FindAndModifyWriteOpResultObject>;
    /**
     * Execute a geo search using a geo haystack index on a collection.
     */
    geoHaystackSearch(collectionName: string, x: number, y: number, options?: GeoHaystackSearchOptions): Promise<any>;
    /**
     * Execute the geoNear command to search for items in the collection.
     */
    geoNear(collectionName: string, x: number, y: number, options?: GeoNearOptions): Promise<any>;
    /**
     * Run a group command across a collection.
     */
    group(collectionName: string, keys: Object | Array<any> | Function | Code, condition: Object, initial: Object, reduce: Function | Code, finalize: Function | Code, command: boolean, options?: {
        readPreference?: ReadPreference | string;
    }): Promise<any>;
    /**
     * Retrieve all the indexes on the collection.
     */
    collectionIndexes(collectionName: string): Promise<any>;
    /**
     * Retrieve all the indexes on the collection.
     */
    collectionIndexExists(collectionName: string, indexes: string | string[]): Promise<boolean>;
    /**
     * Retrieves this collections index info.
     */
    collectionIndexInformation(collectionName: string, options?: {
        full: boolean;
    }): Promise<any>;
    /**
     * Initiate an In order bulk write operation, operations will be serially executed in the order they are added, creating a new operation for each switch in types.
     */
    initializeOrderedBulkOp(collectionName: string, options?: CollectionOptions): OrderedBulkOperation;
    /**
     * Initiate a Out of order batch write operation. All operations will be buffered into insert/update/remove commands executed out of order.
     */
    initializeUnorderedBulkOp(collectionName: string, options?: CollectionOptions): UnorderedBulkOperation;
    /**
     * Inserts an array of documents into MongoDB.
     */
    insertMany(collectionName: string, docs: ObjectLiteral[], options?: CollectionInsertManyOptions): Promise<InsertWriteOpResult>;
    /**
     * Inserts a single document into MongoDB.
     */
    insertOne(collectionName: string, doc: ObjectLiteral, options?: CollectionInsertOneOptions): Promise<InsertOneWriteOpResult>;
    /**
     * Returns if the collection is a capped collection.
     */
    isCapped(collectionName: string): Promise<any>;
    /**
     * Get the list of all indexes information for the collection.
     */
    listCollectionIndexes(collectionName: string, options?: {
        batchSize?: number;
        readPreference?: ReadPreference | string;
    }): CommandCursor;
    /**
     * Run Map Reduce across a collection. Be aware that the inline option for out will return an array of results not a collection.
     */
    mapReduce(collectionName: string, map: Function | string, reduce: Function | string, options?: MapReduceOptions): Promise<any>;
    /**
     * Return N number of parallel cursors for a collection allowing parallel reading of entire collection.
     * There are no ordering guarantees for returned results.
     */
    parallelCollectionScan(collectionName: string, options?: ParallelCollectionScanOptions): Promise<Cursor<any>[]>;
    /**
     * Reindex all indexes on the collection Warning: reIndex is a blocking operation (indexes are rebuilt in the foreground) and will be slow for large collections.
     */
    reIndex(collectionName: string): Promise<any>;
    /**
     * Reindex all indexes on the collection Warning: reIndex is a blocking operation (indexes are rebuilt in the foreground) and will be slow for large collections.
     */
    rename(collectionName: string, newName: string, options?: {
        dropTarget?: boolean;
    }): Promise<Collection>;
    /**
     * Replace a document on MongoDB.
     */
    replaceOne(collectionName: string, query: ObjectLiteral, doc: ObjectLiteral, options?: ReplaceOneOptions): Promise<UpdateWriteOpResult>;
    /**
     * Get all the collection statistics.
     */
    stats(collectionName: string, options?: {
        scale: number;
    }): Promise<CollStats>;
    /**
     * Update multiple documents on MongoDB.
     */
    updateMany(collectionName: string, query: ObjectLiteral, update: ObjectLiteral, options?: {
        upsert?: boolean;
        w?: any;
        wtimeout?: number;
        j?: boolean;
    }): Promise<UpdateWriteOpResult>;
    /**
     * Update a single document on MongoDB.
     */
    updateOne(collectionName: string, query: ObjectLiteral, update: ObjectLiteral, options?: ReplaceOneOptions): Promise<UpdateWriteOpResult>;
    /**
     * Removes all collections from the currently connected database.
     * Be careful with using this method and avoid using it in production or migrations
     * (because it can clear all your database).
     */
    clearDatabase(): Promise<void>;
    /**
     * For MongoDB database we don't create connection, because its single connection already created by a driver.
     */
    connect(): Promise<any>;
    /**
     * For MongoDB database we don't release connection, because its single connection.
     */
    release(): Promise<void>;
    /**
     * Starts transaction.
     */
    startTransaction(): Promise<void>;
    /**
     * Commits transaction.
     */
    commitTransaction(): Promise<void>;
    /**
     * Rollbacks transaction.
     */
    rollbackTransaction(): Promise<void>;
    /**
     * Executes a given SQL query.
     */
    query(query: string, parameters?: any[]): Promise<any>;
    /**
     * Returns raw data stream.
     */
    stream(query: string, parameters?: any[], onEnd?: Function, onError?: Function): Promise<ReadStream>;
    /**
     * Insert a new row with given values into the given table.
     * Returns value of inserted object id.

    async insert(collectionName: string, keyValues: ObjectLiteral): Promise<any> { // todo: fix any
        const results = await this.databaseConnection
            .collection(collectionName)
            .insertOne(keyValues);
        const generatedMap = this.connection.getMetadata(collectionName).objectIdColumn!.createValueMap(results.insertedId);
        return {
            result: results,
            generatedMap: generatedMap
        };
    }*/
    /**
     * Updates rows that match given conditions in the given table.

    async update(collectionName: string, valuesMap: ObjectLiteral, conditions: ObjectLiteral): Promise<any> { // todo: fix any
        await this.databaseConnection
            .collection(collectionName)
            .updateOne(conditions, valuesMap);
    }*/
    /**
     * Deletes from the given table by a given conditions.

    async delete(collectionName: string, conditions: ObjectLiteral|ObjectLiteral[]|string, maybeParameters?: any[]): Promise<any> { // todo: fix any
        if (typeof conditions === "string")
            throw new Error(`String condition is not supported by MongoDB driver.`);

        await this.databaseConnection
            .collection(collectionName)
            .deleteOne(conditions);
    }*/
    /**
     * Inserts rows into the closure table.
     */
    insertIntoClosureTable(collectionName: string, newEntityId: any, parentId: any, hasLevel: boolean): Promise<number>;
    /**
     * Returns all available database names including system databases.
     */
    getDatabases(): Promise<string[]>;
    /**
     * Returns all available schema names including system schemas.
     * If database parameter specified, returns schemas of that database.
     */
    getSchemas(database?: string): Promise<string[]>;
    /**
     * Loads given table's data from the database.
     */
    getTable(collectionName: string): Promise<Table | undefined>;
    /**
     * Loads all tables (with given names) from the database and creates a Table from them.
     */
    getTables(collectionNames: string[]): Promise<Table[]>;
    /**
     * Checks if database with the given name exist.
     */
    hasDatabase(database: string): Promise<boolean>;
    /**
     * Checks if schema with the given name exist.
     */
    hasSchema(schema: string): Promise<boolean>;
    /**
     * Checks if table with the given name exist in the database.
     */
    hasTable(collectionName: string): Promise<boolean>;
    /**
     * Checks if column with the given name exist in the given table.
     */
    hasColumn(tableOrName: Table | string, columnName: string): Promise<boolean>;
    /**
     * Creates a database if it's not created.
     */
    createDatabase(database: string): Promise<void>;
    /**
     * Drops database.
     */
    dropDatabase(database: string, ifExist?: boolean): Promise<void>;
    /**
     * Creates a new table schema.
     */
    createSchema(schema: string, ifNotExist?: boolean): Promise<void>;
    /**
     * Drops table schema.
     */
    dropSchema(schemaPath: string, ifExist?: boolean): Promise<void>;
    /**
     * Creates a new table from the given table and columns inside it.
     */
    createTable(table: Table): Promise<void>;
    /**
     * Drops the table.
     */
    dropTable(tableName: Table | string): Promise<void>;
    /**
     * Renames the given table.
     */
    renameTable(oldTableOrName: Table | string, newTableOrName: Table | string): Promise<void>;
    /**
     * Creates a new column from the column in the table.
     */
    addColumn(tableOrName: Table | string, column: TableColumn): Promise<void>;
    /**
     * Creates a new columns from the column in the table.
     */
    addColumns(tableOrName: Table | string, columns: TableColumn[]): Promise<void>;
    /**
     * Renames column in the given table.
     */
    renameColumn(tableOrName: Table | string, oldTableColumnOrName: TableColumn | string, newTableColumnOrName: TableColumn | string): Promise<void>;
    /**
     * Changes a column in the table.
     */
    changeColumn(tableOrName: Table | string, oldTableColumnOrName: TableColumn | string, newColumn: TableColumn): Promise<void>;
    /**
     * Changes a column in the table.
     */
    changeColumns(tableOrName: Table | string, changedColumns: {
        newColumn: TableColumn;
        oldColumn: TableColumn;
    }[]): Promise<void>;
    /**
     * Drops column in the table.
     */
    dropColumn(tableOrName: Table | string, column: TableColumn): Promise<void>;
    /**
     * Drops the columns in the table.
     */
    dropColumns(tableOrName: Table | string, columns: TableColumn[]): Promise<void>;
    /**
     * Creates a new primary key.
     */
    createPrimaryKey(tableOrName: Table | string, columnNames: string[]): Promise<void>;
    /**
     * Drops a primary key.
     */
    dropPrimaryKey(tableOrName: Table | string): Promise<void>;
    /**
     * Creates a new unique constraint.
     */
    createUniqueConstraint(tableOrName: Table | string, uniqueConstraint: TableUnique): Promise<void>;
    /**
     * Creates a new unique constraints.
     */
    createUniqueConstraints(tableOrName: Table | string, uniqueConstraints: TableUnique[]): Promise<void>;
    /**
     * Drops an unique constraint.
     */
    dropUniqueConstraint(tableOrName: Table | string, uniqueOrName: TableUnique | string): Promise<void>;
    /**
     * Drops an unique constraints.
     */
    dropUniqueConstraints(tableOrName: Table | string, uniqueConstraints: TableUnique[]): Promise<void>;
    /**
     * Creates a new foreign key.
     */
    createForeignKey(tableOrName: Table | string, foreignKey: TableForeignKey): Promise<void>;
    /**
     * Creates a new foreign keys.
     */
    createForeignKeys(tableOrName: Table | string, foreignKeys: TableForeignKey[]): Promise<void>;
    /**
     * Drops a foreign key from the table.
     */
    dropForeignKey(tableOrName: Table | string, foreignKey: TableForeignKey): Promise<void>;
    /**
     * Drops a foreign keys from the table.
     */
    dropForeignKeys(tableOrName: Table | string, foreignKeys: TableForeignKey[]): Promise<void>;
    /**
     * Creates a new index.
     */
    createIndex(tableOrName: Table | string, index: TableIndex): Promise<void>;
    /**
     * Creates a new indices
     */
    createIndices(tableOrName: Table | string, indices: TableIndex[]): Promise<void>;
    /**
     * Drops an index from the table.
     */
    dropIndex(collectionName: string, indexName: string): Promise<void>;
    /**
     * Drops an indices from the table.
     */
    dropIndices(tableOrName: Table | string, indices: TableIndex[]): Promise<void>;
    /**
     * Drops collection.
     */
    clearTable(collectionName: string): Promise<void>;
    /**
     * Enables special query runner mode in which sql queries won't be executed,
     * instead they will be memorized into a special variable inside query runner.
     * You can get memorized sql using getMemorySql() method.
     */
    enableSqlMemory(): void;
    /**
     * Disables special query runner mode in which sql queries won't be executed
     * started by calling enableSqlMemory() method.
     *
     * Previously memorized sql will be flushed.
     */
    disableSqlMemory(): void;
    /**
     * Flushes all memorized sqls.
     */
    clearSqlMemory(): void;
    /**
     * Gets sql stored in the memory. Parameters in the sql are already replaced.
     */
    getMemorySql(): SqlInMemory;
    /**
     * Executes up sql queries.
     */
    executeMemoryUpSql(): Promise<void>;
    /**
     * Executes down sql queries.
     */
    executeMemoryDownSql(): Promise<void>;
    /**
     * Gets collection from the database with a given name.
     */
    protected getCollection(collectionName: string): Collection;
}
