diff --git a/Examples/Drawing/index.html b/Examples/Drawing/index.html
new file mode 100644
index 00000000..75e4ed53
--- /dev/null
+++ b/Examples/Drawing/index.html
@@ -0,0 +1,19 @@
+
+
+
+
+
+
+
+
+
+
+
diff --git a/Examples/Drawing/index.js b/Examples/Drawing/index.js
new file mode 100644
index 00000000..6320ab55
--- /dev/null
+++ b/Examples/Drawing/index.js
@@ -0,0 +1,88 @@
+/* globals Y, d3 */
+'strict mode'
+
+Y({
+ db: {
+ name: 'memory'
+ },
+ connector: {
+ name: 'websockets-client',
+ room: 'drawing-example'
+ // url: 'localhost:1234'
+ },
+ sourceDir: '/bower_components',
+ share: {
+ drawing: 'Array'
+ }
+}).then(function (y) {
+ window.yDrawing = y
+ var drawing = y.share.drawing
+ var renderPath = d3.svg.line()
+ .x(function (d) { return d[0] })
+ .y(function (d) { return d[1] })
+ .interpolate('basis')
+
+ var svg = d3.select('#drawingCanvas')
+ .call(d3.behavior.drag()
+ .on('dragstart', dragstart)
+ .on('drag', drag)
+ .on('dragend', dragend))
+
+ // create line from a shared array object and update the line when the array changes
+ function drawLine (yarray) {
+ var line = svg.append('path').datum(yarray.toArray())
+ line.attr('d', renderPath)
+ yarray.observe(function (event) {
+ // we only implement insert events that are appended to the end of the array
+ event.values.forEach(function (value) {
+ line.datum().push(value)
+ })
+ line.attr('d', renderPath)
+ })
+ }
+ // call drawLine every time an array is appended
+ y.share.drawing.observe(function (event) {
+ if (event.type === 'insert') {
+ event.values().then(function (values) {
+ values.forEach(drawLine)
+ })
+ } else {
+ // just remove all elements (thats what we do anyway)
+ svg.selectAll('path').remove()
+ }
+ })
+ // draw all existing content
+ for (var i = 0; i < drawing.length; i++) {
+ drawing.get(i).then(drawLine)
+ }
+
+ // clear canvas on request
+ document.querySelector('#clearDrawingCanvas').onclick = function () {
+ drawing.delete(0, drawing.length)
+ }
+
+ var sharedLine = null
+ function dragstart () {
+ drawing.insert(drawing.length, [Y.Array])
+ drawing.get(drawing.length - 1).then(function (array) {
+ sharedLine = array
+ })
+ }
+
+ // After one dragged event is recognized, we ignore them for 33ms.
+ var ignoreDrag = null
+ function drag () {
+ if (sharedLine != null && ignoreDrag == null) {
+ ignoreDrag = window.setTimeout(function () {
+ ignoreDrag = null
+ }, 33)
+ sharedLine.push([d3.mouse(this)])
+ }
+ }
+
+ function dragend () {
+ sharedLine = null
+ window.clearTimeout(ignoreDrag)
+ ignoreDrag = null
+ }
+})
diff --git a/Examples/bower.json b/Examples/bower.json
index 066ee76c..11f61c9f 100644
--- a/Examples/bower.json
+++ b/Examples/bower.json
@@ -18,10 +18,11 @@
"y-websockets-client": "latest",
"y-text": "latest",
"y-indexeddb": "latest",
- "y-xml": "latest",
+ "y-xml": "latest",
"quill": "~0.20.1",
"ace": "~1.2.3",
"ace-builds": "~1.2.3",
- "jquery": "~2.2.2"
+ "jquery": "~2.2.2",
+ "d3": "^3.5.16"
}
}
diff --git a/y.es6 b/y.es6
index 7e5c3cae..7700a638 100644
--- a/y.es6
+++ b/y.es6
@@ -2894,9 +2894,9 @@ module.exports = function (Y /* : any*/) {
I tried to optimize this for performance, therefore no highlevel operations.
*/
class SmallLookupBuffer extends Store {
- constructor (arg) {
+ constructor (arg1, arg2) {
// super(...arguments) -- do this when this is supported by stable nodejs
- super(arg)
+ super(arg1, arg2)
this.writeBuffer = createEmptyOpsArray(5)
this.readBuffer = createEmptyOpsArray(10)
}
diff --git a/y.es6.map b/y.es6.map
index 51d57289..0e9a4c3b 100644
--- a/y.es6.map
+++ b/y.es6.map
@@ -1 +1 @@
-{"version":3,"sources":["node_modules/browser-pack/_prelude.js","src/Connector.js","src/Connectors/Test.js","src/Database.js","src/Struct.js","src/Transaction.js","src/Utils.js","src/y.js"],"names":[],"mappings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rKA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AA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e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require==\"function\"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error(\"Cannot find module '\"+o+\"'\");throw f.code=\"MODULE_NOT_FOUND\",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require==\"function\"&&require;for(var o=0;o;\n whenSyncedListeners: Array;\n currentSyncTarget: ?UserId;\n syncingClients: Array;\n forwardToSyncingClients: boolean;\n debug: boolean;\n broadcastedHB: boolean;\n syncStep2: Promise;\n userId: UserId;\n send: Function;\n broadcast: Function;\n broadcastOpBuffer: Array;\n protocolVersion: number;\n */\n /*\n opts contains the following information:\n role : String Role of this client (\"master\" or \"slave\")\n userId : String Uniquely defines the user.\n debug: Boolean Whether to print debug messages (optional)\n */\n constructor (y, opts) {\n this.y = y\n if (opts == null) {\n opts = {}\n }\n if (opts.role == null || opts.role === 'master') {\n this.role = 'master'\n } else if (opts.role === 'slave') {\n this.role = 'slave'\n } else {\n throw new Error(\"Role must be either 'master' or 'slave'!\")\n }\n this.y.db.forwardAppliedOperations = opts.forwardAppliedOperations || false\n this.role = opts.role\n this.connections = {}\n this.isSynced = false\n this.userEventListeners = []\n this.whenSyncedListeners = []\n this.currentSyncTarget = null\n this.syncingClients = []\n this.forwardToSyncingClients = opts.forwardToSyncingClients !== false\n this.debug = opts.debug === true\n this.broadcastedHB = false\n this.syncStep2 = Promise.resolve()\n this.broadcastOpBuffer = []\n this.protocolVersion = 11\n }\n reconnect () {\n }\n disconnect () {\n this.connections = {}\n this.isSynced = false\n this.currentSyncTarget = null\n this.broadcastedHB = false\n this.syncingClients = []\n this.whenSyncedListeners = []\n return this.y.db.stopGarbageCollector()\n }\n setUserId (userId) {\n if (this.userId == null) {\n this.userId = userId\n return this.y.db.setUserId(userId)\n } else {\n return null\n }\n }\n onUserEvent (f) {\n this.userEventListeners.push(f)\n }\n userLeft (user) {\n if (this.connections[user] != null) {\n delete this.connections[user]\n if (user === this.currentSyncTarget) {\n this.currentSyncTarget = null\n this.findNextSyncTarget()\n }\n this.syncingClients = this.syncingClients.filter(function (cli) {\n return cli !== user\n })\n for (var f of this.userEventListeners) {\n f({\n action: 'userLeft',\n user: user\n })\n }\n }\n }\n userJoined (user, role) {\n if (role == null) {\n throw new Error('You must specify the role of the joined user!')\n }\n if (this.connections[user] != null) {\n throw new Error('This user already joined!')\n }\n this.connections[user] = {\n isSynced: false,\n role: role\n }\n for (var f of this.userEventListeners) {\n f({\n action: 'userJoined',\n user: user,\n role: role\n })\n }\n if (this.currentSyncTarget == null) {\n this.findNextSyncTarget()\n }\n }\n // Execute a function _when_ we are connected.\n // If not connected, wait until connected\n whenSynced (f) {\n if (this.isSynced) {\n f()\n } else {\n this.whenSyncedListeners.push(f)\n }\n }\n /*\n\n returns false, if there is no sync target\n true otherwise\n */\n findNextSyncTarget () {\n if (this.currentSyncTarget != null || this.isSynced) {\n return // \"The current sync has not finished!\"\n }\n\n var syncUser = null\n for (var uid in this.connections) {\n if (!this.connections[uid].isSynced) {\n syncUser = uid\n break\n }\n }\n var conn = this\n if (syncUser != null) {\n this.currentSyncTarget = syncUser\n this.y.db.requestTransaction(function *() {\n var stateSet = yield* this.getStateSet()\n var deleteSet = yield* this.getDeleteSet()\n conn.send(syncUser, {\n type: 'sync step 1',\n stateSet: stateSet,\n deleteSet: deleteSet,\n protocolVersion: conn.protocolVersion\n })\n })\n } else {\n this.y.db.requestTransaction(function *() {\n // it is crucial that isSynced is set at the time garbageCollectAfterSync is called\n conn.isSynced = true\n yield* this.garbageCollectAfterSync()\n // call whensynced listeners\n for (var f of conn.whenSyncedListeners) {\n f()\n }\n conn.whenSyncedListeners = []\n })\n }\n }\n send (uid, message) {\n if (this.debug) {\n console.log(`send ${this.userId} -> ${uid}: ${message.type}`, message) // eslint-disable-line\n }\n }\n /*\n Buffer operations, and broadcast them when ready.\n */\n broadcastOps (ops) {\n ops = ops.map(function (op) {\n return Y.Struct[op.struct].encode(op)\n })\n var self = this\n function broadcastOperations () {\n if (self.broadcastOpBuffer.length > 0) {\n self.broadcast({\n type: 'update',\n ops: self.broadcastOpBuffer\n })\n self.broadcastOpBuffer = []\n }\n }\n if (this.broadcastOpBuffer.length === 0) {\n this.broadcastOpBuffer = ops\n if (this.y.db.transactionInProgress) {\n this.y.db.whenTransactionsFinished().then(broadcastOperations)\n } else {\n setTimeout(broadcastOperations, 0)\n }\n } else {\n this.broadcastOpBuffer = this.broadcastOpBuffer.concat(ops)\n }\n }\n /*\n You received a raw message, and you know that it is intended for Yjs. Then call this function.\n */\n receiveMessage (sender/* :UserId */, message/* :Message */) {\n if (sender === this.userId) {\n return\n }\n if (this.debug) {\n console.log(`receive ${sender} -> ${this.userId}: ${message.type}`, JSON.parse(JSON.stringify(message))) // eslint-disable-line\n }\n if (message.protocolVersion != null && message.protocolVersion !== this.protocolVersion) {\n console.error(\n `You tried to sync with a yjs instance that has a different protocol version\n (You: ${this.protocolVersion}, Client: ${message.protocolVersion}).\n The sync was stopped. You need to upgrade your dependencies (especially Yjs & the Connector)!\n `)\n this.send(sender, {\n type: 'sync stop',\n protocolVersion: this.protocolVersion\n })\n return\n }\n if (message.type === 'sync step 1') {\n let conn = this\n let m = message\n this.y.db.requestTransaction(function *() {\n var currentStateSet = yield* this.getStateSet()\n yield* this.applyDeleteSet(m.deleteSet)\n\n var ds = yield* this.getDeleteSet()\n var ops = yield* this.getOperations(m.stateSet)\n conn.send(sender, {\n type: 'sync step 2',\n os: ops,\n stateSet: currentStateSet,\n deleteSet: ds,\n protocolVersion: this.protocolVersion\n })\n if (this.forwardToSyncingClients) {\n conn.syncingClients.push(sender)\n setTimeout(function () {\n conn.syncingClients = conn.syncingClients.filter(function (cli) {\n return cli !== sender\n })\n conn.send(sender, {\n type: 'sync done'\n })\n }, 5000) // TODO: conn.syncingClientDuration)\n } else {\n conn.send(sender, {\n type: 'sync done'\n })\n }\n conn._setSyncedWith(sender)\n })\n } else if (message.type === 'sync step 2') {\n let conn = this\n var broadcastHB = !this.broadcastedHB\n this.broadcastedHB = true\n var db = this.y.db\n var defer = {}\n defer.promise = new Promise(function (resolve) {\n defer.resolve = resolve\n })\n this.syncStep2 = defer.promise\n let m /* :MessageSyncStep2 */ = message\n db.requestTransaction(function * () {\n yield* this.applyDeleteSet(m.deleteSet)\n this.store.apply(m.os)\n db.requestTransaction(function * () {\n var ops = yield* this.getOperations(m.stateSet)\n if (ops.length > 0) {\n if (!broadcastHB) { // TODO: consider to broadcast here..\n conn.send(sender, {\n type: 'update',\n ops: ops\n })\n } else {\n // broadcast only once!\n conn.broadcastOps(ops)\n }\n }\n defer.resolve()\n })\n })\n } else if (message.type === 'sync done') {\n var self = this\n this.syncStep2.then(function () {\n self._setSyncedWith(sender)\n })\n } else if (message.type === 'update') {\n if (this.forwardToSyncingClients) {\n for (var client of this.syncingClients) {\n this.send(client, message)\n }\n }\n if (this.y.db.forwardAppliedOperations) {\n var delops = message.ops.filter(function (o) {\n return o.struct === 'Delete'\n })\n if (delops.length > 0) {\n this.broadcastOps(delops)\n }\n }\n this.y.db.apply(message.ops)\n }\n }\n _setSyncedWith (user) {\n var conn = this.connections[user]\n if (conn != null) {\n conn.isSynced = true\n }\n if (user === this.currentSyncTarget) {\n this.currentSyncTarget = null\n this.findNextSyncTarget()\n }\n }\n /*\n Currently, the HB encodes operations as JSON. For the moment I want to keep it\n that way. Maybe we support encoding in the HB as XML in the future, but for now I don't want\n too much overhead. Y is very likely to get changed a lot in the future\n\n Because we don't want to encode JSON as string (with character escaping, wich makes it pretty much unreadable)\n we encode the JSON as XML.\n\n When the HB support encoding as XML, the format should look pretty much like this.\n\n does not support primitive values as array elements\n expects an ltx (less than xml) object\n */\n parseMessageFromXml (m/* :any */) {\n function parseArray (node) {\n for (var n of node.children) {\n if (n.getAttribute('isArray') === 'true') {\n return parseArray(n)\n } else {\n return parseObject(n)\n }\n }\n }\n function parseObject (node/* :any */) {\n var json = {}\n for (var attrName in node.attrs) {\n var value = node.attrs[attrName]\n var int = parseInt(value, 10)\n if (isNaN(int) || ('' + int) !== value) {\n json[attrName] = value\n } else {\n json[attrName] = int\n }\n }\n for (var n/* :any */ in node.children) {\n var name = n.name\n if (n.getAttribute('isArray') === 'true') {\n json[name] = parseArray(n)\n } else {\n json[name] = parseObject(n)\n }\n }\n return json\n }\n parseObject(m)\n }\n /*\n encode message in xml\n we use string because Strophe only accepts an \"xml-string\"..\n So {a:4,b:{c:5}} will look like\n \n \n \n m - ltx element\n json - Object\n */\n encodeMessageToXml (msg, obj) {\n // attributes is optional\n function encodeObject (m, json) {\n for (var name in json) {\n var value = json[name]\n if (name == null) {\n // nop\n } else if (value.constructor === Object) {\n encodeObject(m.c(name), value)\n } else if (value.constructor === Array) {\n encodeArray(m.c(name), value)\n } else {\n m.setAttribute(name, value)\n }\n }\n }\n function encodeArray (m, array) {\n m.setAttribute('isArray', 'true')\n for (var e of array) {\n if (e.constructor === Object) {\n encodeObject(m.c('array-element'), e)\n } else {\n encodeArray(m.c('array-element'), e)\n }\n }\n }\n if (obj.constructor === Object) {\n encodeObject(msg.c('y', { xmlns: 'http://y.ninja/connector-stanza' }), obj)\n } else if (obj.constructor === Array) {\n encodeArray(msg.c('y', { xmlns: 'http://y.ninja/connector-stanza' }), obj)\n } else {\n throw new Error(\"I can't encode this json!\")\n }\n }\n }\n Y.AbstractConnector = AbstractConnector\n}\n","/* global getRandom, async */\n'use strict'\n\nmodule.exports = function (Y) {\n var globalRoom = {\n users: {},\n buffers: {}, // TODO: reimplement this idea. This does not cover all cases!! Here, you have a queue which is unrealistic (i.e. think about multiple incoming connections)\n removeUser: function (user) {\n for (var i in this.users) {\n this.users[i].userLeft(user)\n }\n delete this.users[user]\n delete this.buffers[user]\n },\n addUser: function (connector) {\n this.users[connector.userId] = connector\n this.buffers[connector.userId] = {}\n for (var uname in this.users) {\n if (uname !== connector.userId) {\n var u = this.users[uname]\n u.userJoined(connector.userId, 'master')\n connector.userJoined(u.userId, 'master')\n }\n }\n },\n whenTransactionsFinished: function () {\n var ps = []\n for (var name in this.users) {\n ps.push(this.users[name].y.db.whenTransactionsFinished())\n }\n return Promise.all(ps)\n },\n flushOne: function flushOne () {\n var bufs = []\n for (var receiver in globalRoom.buffers) {\n let buff = globalRoom.buffers[receiver]\n var push = false\n for (let sender in buff) {\n if (buff[sender].length > 0) {\n push = true\n break\n }\n }\n if (push) {\n bufs.push(receiver)\n }\n }\n if (bufs.length > 0) {\n var userId = getRandom(bufs)\n let buff = globalRoom.buffers[userId]\n let sender = getRandom(Object.keys(buff))\n var m = buff[sender].shift()\n if (buff[sender].length === 0) {\n delete buff[sender]\n }\n var user = globalRoom.users[userId]\n user.receiveMessage(m[0], m[1])\n return user.y.db.whenTransactionsFinished()\n } else {\n return false\n }\n },\n flushAll: function () {\n return new Promise(function (resolve) {\n // flushes may result in more created operations,\n // flush until there is nothing more to flush\n function nextFlush () {\n var c = globalRoom.flushOne()\n if (c) {\n while (c) {\n c = globalRoom.flushOne()\n }\n globalRoom.whenTransactionsFinished().then(nextFlush)\n } else {\n setTimeout(function () {\n var c = globalRoom.flushOne()\n if (c) {\n c.then(function () {\n globalRoom.whenTransactionsFinished().then(nextFlush)\n })\n } else {\n resolve()\n }\n }, 10)\n }\n }\n globalRoom.whenTransactionsFinished().then(nextFlush)\n })\n }\n }\n Y.utils.globalRoom = globalRoom\n\n var userIdCounter = 0\n\n class Test extends Y.AbstractConnector {\n constructor (y, options) {\n if (options === undefined) {\n throw new Error('Options must not be undefined!')\n }\n options.role = 'master'\n options.forwardToSyncingClients = false\n super(y, options)\n this.setUserId((userIdCounter++) + '').then(() => {\n globalRoom.addUser(this)\n })\n this.globalRoom = globalRoom\n this.syncingClientDuration = 0\n }\n receiveMessage (sender, m) {\n super.receiveMessage(sender, JSON.parse(JSON.stringify(m)))\n }\n send (userId, message) {\n var buffer = globalRoom.buffers[userId]\n if (buffer != null) {\n if (buffer[this.userId] == null) {\n buffer[this.userId] = []\n }\n buffer[this.userId].push(JSON.parse(JSON.stringify([this.userId, message])))\n }\n }\n broadcast (message) {\n for (var key in globalRoom.buffers) {\n var buff = globalRoom.buffers[key]\n if (buff[this.userId] == null) {\n buff[this.userId] = []\n }\n buff[this.userId].push(JSON.parse(JSON.stringify([this.userId, message])))\n }\n }\n isDisconnected () {\n return globalRoom.users[this.userId] == null\n }\n reconnect () {\n if (this.isDisconnected()) {\n globalRoom.addUser(this)\n super.reconnect()\n }\n return Y.utils.globalRoom.flushAll()\n }\n disconnect () {\n if (!this.isDisconnected()) {\n globalRoom.removeUser(this.userId)\n super.disconnect()\n }\n return this.y.db.whenTransactionsFinished()\n }\n flush () {\n var self = this\n return async(function * () {\n var buff = globalRoom.buffers[self.userId]\n while (Object.keys(buff).length > 0) {\n var sender = getRandom(Object.keys(buff))\n var m = buff[sender].shift()\n if (buff[sender].length === 0) {\n delete buff[sender]\n }\n this.receiveMessage(m[0], m[1])\n }\n yield self.whenTransactionsFinished()\n })\n }\n }\n\n Y.Test = Test\n}\n","/* @flow */\n'use strict'\n\nmodule.exports = function (Y /* :any */) {\n /*\n Partial definition of an OperationStore.\n TODO: name it Database, operation store only holds operations.\n\n A database definition must alse define the following methods:\n * logTable() (optional)\n - show relevant information information in a table\n * requestTransaction(makeGen)\n - request a transaction\n * destroy()\n - destroy the database\n */\n class AbstractDatabase {\n /* ::\n y: YConfig;\n forwardAppliedOperations: boolean;\n listenersById: Object;\n listenersByIdExecuteNow: Array