realm-js/docs/sync.js

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JavaScript

////////////////////////////////////////////////////////////////////////////
//
// Copyright 2016 Realm Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
////////////////////////////////////////////////////////////////////////////
/**
* @memberof Realm
*/
class Sync {
/**
* Add a sync listener to listen to changes across multiple Realms
* @param {string} server_url - the sync server to listen to
* @param {SyncUser} admin_user - an admin user obtained by calling `new Realm.Sync.User.adminUser`
* @param {string} regex - a regular expression used to determine which cahnged Realms should trigger events -
* Use `.*` to match all all Realms
* @param {string} name - The name of event that should cause the callback to be called
* _Currently only the 'change' event is supported_
* @param {function(change_event)} change_callback - called when changes are made to any Realm which
* match the given regular expression
* @param {bool} validate_ssl=true - Validate the server's SSL chertificate.
* @param {string} ssl_trust_certificate_path=None - Path to a trust/anchor certificate used by the
* client to verify the server certificate.
*/
static addListener(server_url, admin_user, regex, name, change_callback) {}
/**
* Remove a previously registered sync listener
* @param {string} regex - the regular expression previously used to register the listener
* @param {string} name - The event name
* _Currently only the 'change' event is supported_
* @param {function(change_event)} change_callback - the previously registered callback to be removed
*/
static removeListener(regex, name, change_callback) {}
/**
* Remove all previously regiestered listeners
* @param {string} [name] - The name of the event whose listeners should be removed.
* _Currently only the 'change' event is supported_
*/
static removeAllListeners(name) {}
/**
* Set the sync log level.
* @param {string} log_level
*/
static setLogLevel(log_level) {}
}
/**
* Change info passed when receiving sync 'change' events
* @memberof Realm.Sync
*/
class ChangeEvent {
/**
* The path of the changed Realm
* @type {string}
*/
get path() {}
/**
* The changed realm
* @type {Realm}
*/
get realm() {}
/**
* The changed Realm at the old state before the changes were applied
* @type {Realm}
*/
get oldRealm() {}
/**
* The change indexes for all added, removed, and modified objects in the changed Realm.
* This object is a hashmap of object types to arrays of indexes for all changed objects:
* @example
* {
* object_type_1: {
* insertions: [indexes...],
* deletions: [indexes...],
* modifications: [indexes...]
* },
* object_type_2:
* ...
* }
* @type {object}
*/
get changes() {}
}
/**
* @typedef Realm.Sync~LogLevel
* @type {("error"|"info"|"debug")}
*/
/**
* Class that describes authentication errors in the Realm Object Server
* @memberof Realm.Sync
*/
class AuthError extends Error {
/**
* The numerical code for this error.
* @type {number}
*/
get code() {}
/**
* The unique help URI that describes this error.
* @type {string}
*/
get type() {}
}
/**
* Class for logging in and managing Sync users.
* @memberof Realm.Sync
*/
class User {
/**
* Login a sync user with username and password.
* @param {string} server - authentication server
* @param {string} username
* @param {string} password
* @param {function(error, user)} [callback] - called with the following arguments:
* - `error` - an Error object is provided on failure
* - `user` - a valid User object on success
* @returns {Promise<User>} Returns a promise with a user only if the callback was not specified
*/
static login(server, username, password, callback) {}
/**
* Register/login a sync user using an external login provider.
* @param {string} server - authentication server
* @param {object} options - options, containing the following:
* @param {string} options.provider - The provider type
* @param {string} options.providerToken - The access token for the given provider
* @param {object} [options.userInfo] - A map containing additional data required by the provider
* @param {function(error, User)} [callback] - an optional called with the following arguments:
* - `error` - an Error object is provided on failure
* - `user` - a valid User object on success
* @return {Promise<User>} Returns a promise with a user only if the callback was not specified
*/
static registerWithProvider(server, options, callback) {}
/**
* Register a sync user with username and password.
* @param {string} server - authentication server
* @param {string} username
* @param {string} password
* @param {function(error, user)} [callback] - called with the following arguments:
* - `error` - an Error object is provided on failure
* - `user` - a valid User object on success
* @return {Promise<User>} Returns a promise with a user only if the callback was not specified
*/
static register(server, username, password, callback) {}
/**
* Create an admin user for the given authentication server with an existing token
* @param {string} adminToken - existing admin token
* @param {string} [server] - authentication server
* @return {User} - admin user populated with the given token and server
*/
static adminUser(adminToken, server) {}
/**
* A dictionary containing users that are currently logged in.
* The keys in the dictionary are user identities, values are corresponding User objects.
* @type {object}
*/
static get all() {}
/**
* Get the currently logged in user.
* Throws error if > 1 user logged in, returns undefined if no users logged in.
* @type {User}
*/
static get current() {}
/**
* Gets the server URL that was used for authentication.
* @type {string}
*/
get server() {}
/**
* Gets the identity of this user on the Realm Object Server.
* The identity is a guaranteed to be unique among all users on the Realm Object Server.
* @type {string}
*/
get identity() {}
/**
* Gets this user's refresh token. This is the user's credential for accessing the Realm
* Object Server and should be treated as sensitive data.
* @type {string}
*/
get token() {}
/**
* Returns true if this user is an administrator
* @type {bool}
*/
get isAdmin() {}
/**
* Logs out the user from the Realm Object Server.
*/
logout() {}
/**
* Get the management realm for this User.
* This Realm can be used to control access and permissions for Realms owned by the user.
* This includes giving others access to the Realms.
* @returns {Realm}
*/
openManagementRealm() {}
/**
* Get account information for a user. (requires administrator privilidges)
* @param {string} provider - the provider to query for user account information (ex. 'password')
* @param {string} username - the target username which account information should be retrieved
* @returns {Promise} - a promise that will be resolved with the retrieved account information as json object
* @example
* {
* "provider_id": "user@email.co",
* "provider": "password",
* "user": {
* "id": "06ac9a0a-a96a-4ee1-b53c-b05a7542035a",
* "isAdmin": true,
* }
* }
*/
retrieveAccount(provider, username) {}
/**
* Asynchronously retrieves all permissions associated with the user calling this method.
* @param {string} recipient the optional recipient of the permission. Can be either
* 'any' which is the default, or 'currentUser' or 'otherUser' if you want only permissions
* belonging to the user or *not* belonging to the user.
* @returns {Results} a queryable collection of permission objects that provides detailed
* information regarding the granted access.
* The collection is a live query similar to what you would get by callig Realm.objects,
* so the same features apply - you can listen for notifications or filter it.
*/
getGrantedPermissions(recipient) { }
/**
* Changes the permissions of a Realm.
* @param {object} condition - A condition that will be used to match existing users against.
* This should be an object, containing either the key 'userId', or 'metadataKey' and 'metadataValue'.
* @param {string} realmUrl - The path to the Realm that you want to apply permissions to.
* @param {string} accessLevel - The access level you want to set: 'none', 'read', 'write' or 'admin'.
* @returns {Promise} a Promise that, upon completion, indicates that the permissions have been
* successfully applied by the server. It will be resolved with the
* {@link PermissionChange PermissionChange} object that refers to the applied permission.
*/
applyPermissions(condition, realmUrl, accessLevel) { }
/**
* Generates a token that can be used for sharing a Realm.
* @param {string} realmUrl - The Realm URL whose permissions settings should be changed. Use * to change
* the permissions of all Realms managed by this user.
* @param {string} accessLevel - The access level to grant matching users. Note that the access level
* setting is additive, i.e. you cannot revoke permissions for users who previously had a higher access level.
* Can be 'read', 'write' or 'admin'.
* @param {Date} [expiresAt] - Optional expiration date of the offer. If set to null, the offer doesn't expire.
* @returns {string} - A token that can be shared with another user, e.g. via email or message and then consumed by
* User.acceptPermissionOffer to obtain permissions to a Realm.
*/
offerPermissions(realmUrl, accessLevel, expiresAt) { }
/**
* Consumes a token generated by {@link Realm#Sync#User#offerPermissions offerPermissions} to obtain permissions to a shared Realm.
* @param {string} token - The token, generated by User.offerPermissions
* @returns {string} The url of the Realm that the token has granted permissions to.
*/
acceptPermissionOffer(token) { }
/**
* Invalidates a permission offer.
* Invalidating an offer prevents new users from consuming its token. It doesn't revoke any permissions that have
* already been granted.
* @param {string|PermissionOffer} permissionOfferOrToken - Either the token or the entire
* {@link PermissionOffer PermissionOffer} object that was generated with
* {@link Realm#Sync#User#offerPermissions offerPermissions}.
*/
invalidatePermissionOffer(permissionOfferOrToken) { }
}
/**
* An object encapsulating a Realm Object Server session. Sessions represent the communication between the
* client (and a local Realm file on disk), and the server (and a remote Realm at a given URL stored on a Realm Object Server).
* Sessions are always created by the SDK and vended out through various APIs. The lifespans of sessions
* associated with Realms are managed automatically.
* @memberof Realm.Sync
*/
class Session {
/**
* Gets the Sync-part of the configuration that the corresponding Realm was
* constructed with.
* @type {object}
*/
get config() {}
/**
* Gets the User that this session was created with.
* @type {User}
*/
get user() {}
/**
* Gets the URL of the Realm Object Server that this session is connected to.
* @type {string}
*/
get url() {}
/**
* Gets the current state of the session.
* Can be either:
* - "active": The session is connected to the Realm Object Server and is actively transferring data.
* - "inactive": The session is not currently communicating with the Realm Object Server.
* - "invalid": A non-recoverable error has occurred, and this session is semantically invalid. A new session should be created.
* @type {string}
*/
get state() {}
/**
* Register a progress notification callback on a session object
* @param {string} direction - The progress direction to register for.
* Can be either:
* - `download` - report download progress
* - `upload` - report upload progress
* @param {string} mode - The progress notification mode to use for the registration.
* Can be either:
* - `reportIndefinitely` - the registration will stay active until the callback is unregistered
* - `forCurrentlyOutstandingWork` - the registration will be active until only the currently transferable bytes are synced
* @param {callback(transferred, transferable)} callback - called with the following arguments:
* - `transferred` - the current number of bytes already transferred
* - `transferable` - the total number of transferable bytes (the number of bytes already transferred plus the number of bytes pending transfer)
*/
addProgressNotification(direction, mode, progressCallback) {}
/** Unregister a progress notification callback that was previously registered with addProgressNotification.
* Calling the function multiple times with the same callback is ignored.
* @param {callback(transferred, transferable)} callback - a previously registered progress callback
*/
removeProgressNotification(progressCallback) {}
}
/**
* Class for creating custom Data Connectors. Only available in the Enterprise Edition.
* @memberof Realm.Sync
*/
class Adapter {
/**
* Create a new Adapter to moitor and process changes made across multiple Realms
* @param {string} local_path - the local path where realm files are stored
* @param {string} server_url - the sync server to listen to
* @param {SyncUser} admin_user - an admin user obtained by calling `new Realm.Sync.User.adminUser`
* @param {string} regex - a regular expression used to determine which cahnged Realms should be monitored -
* use `.*` to match all all Realms
* @param {function(realm_path)} change_callback - called when a new transaction is available
* to process for the given realm_path
*/
constructor(local_path, server_url, admin_user, regex, change_callback) {}
/**
* Get the Array of current instructions for the given Realm.
* @param {string} path - the path for the Realm being monitored
* @returns {Array(instructions)} or {undefined} if all transactions have been processed
*/
current(path) {}
/**
* Advance the to the next transaction indicating that you are done processing the current
* instructions for the given Realm.
* @param {string} path - the path for the Realm to advance
*/
advance(path) {}
/**
* Open the Realm used by the Adapter for the given path. This is useful for writing two way
* adapters as transactions written to this realm will be ignored when calling `current` and `advance`
* @param {string} path - the path for the Realm to open
* @returns {Realm}
*/
realmAtPath(path) {}
/**
* Close the adapter and all opened Realms.
*/
close() {}
}
/**
* The following Instructions can be returned by `Adapter.current(path)`. Each instruction object has
* a `type` property which is one of the following types. For each type below we list the other properties
* that will exist in the instruction object.
* @typedef Realm.Sync.Adapter~Instruction
* @type {(INSERT|SET|DELETE|CLEAR|CHANGE_IDENTITY|LIST_SET|LIST_INSERT|LIST_ERASE|LIST_CLEAR|ADD_TYPE|ADD_PROPERTY)}
* @property INSERT - insert a new object
* - `object_type` - type of the object being inserted
* - `identity` - primary key value or row index for the object
* - `values` - map of property names and property values for the object to insert
* @property SET - set property values for an existing object
* - `object_type` - type of the object
* - `identity` - primary key value or row index for the object
* - `values` - map of property names and property values to update for the object
* @property DELETE - delete an exising object
* - `object_type` - type of the object
* - `identity` - primary key value or row index for the object
* @property CLEAR - delete all objects of a given type
* - `object_type` - type of the object
* @property LIST_SET - set the object at a given list index to an object
* - `object_type` - type of the object
* - `identity` - primary key for the object
* - `property` - property name for the list property to mutate
* - `list_index` - list index to set
* - `object_identity` - primary key or row number of the object being set
* @property LIST_INSERT - insert an object in the list at the given index
* - `object_type` - type of the object
* - `identity` - primary key for the object
* - `property` - property name for the list property to mutate
* - `list_index` - list index at which to insert
* - `object_identity` - primary key or row number of the object to insert
* @property LIST_ERASE - erase an object in the list at the given index - this removes the object
* from the list but the object will still exist in the Realm
* - `object_type` - type of the object
* - `identity` - primary key for the object
* - `property` - property name for the list property to mutate
* - `list_index` - list index which should be erased
* @property LIST_CLEAR - clear a list removing all objects - objects are not deleted from the Realm
* - `object_type` - type of the object
* - `identity` - primary key for the object
* - `property` - property name for the list property to clear
* @property ADD_TYPE - add a new type
* - `object_type` - name of the type
* - `primary_key` - name of primary key property for this type
* - `properties` - Property map as described in {@link Realm~ObjectSchema}
* @property ADD_PROPERTIES - add properties to an existing type
* - `object_type` - name of the type
* - `properties` - Property map as described in {@link Realm~ObjectSchema}
* @property CHANGE_IDENTITY - change the row index for an existing object - not called for objects
* with primary keys
* - `object_type` - type fo the object
* - `identity` - old row value for the object
* - `new_identity` - new row value for the object
*/