yonote/yjs
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update

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This commit is contained in:
Kevin Jahns 2016-04-05 15:38:22 +02:00
parent 1c32067908
commit ecc2aef0f8
5 changed files with 80 additions and 62 deletions
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12
src/Database.js
View File

@ -216,11 +216,15 @@ module.exports = function (Y /* :any */) {
whenUserIdSet (f) {
this.userIdPromise.then(f)
}
getNextOpId () {
if (this.userId == null) {
getNextOpId (numberOfIds) {
if (numberOfIds == null) {
throw new Error('getNextOpId expects the number of created ids to create!')
} else if (this.userId == null) {
throw new Error('OperationStore not yet initialized!')
} else {
return [this.userId, this.opClock++]
var id = [this.userId, this.opClock]
this.opClock += numberOfIds
return id
}
}
/*
@ -294,7 +298,7 @@ module.exports = function (Y /* :any */) {
for (var sid in ls) {
var l = ls[sid]
var id = JSON.parse(sid)
var op = yield* this.getOperation(id)
var op = yield* this.getInsertion(id)
if (op == null) {
store.listenersById[sid] = l
} else {

2
src/SpecHelper.js
View File

@ -25,7 +25,7 @@ g.g = g
g.YConcurrency_TestingMode = true
jasmine.DEFAULT_TIMEOUT_INTERVAL = 20000
jasmine.DEFAULT_TIMEOUT_INTERVAL = 2000
g.describeManyTimes = function describeManyTimes (times, name, f) {
for (var i = 0; i < times; i++) {

39
src/Struct.js
View File

@ -93,21 +93,17 @@ module.exports = function (Y/* :any */) {
return ids
},
getDistanceToOrigin: function * (op) {
if (op.left == null) {
return 0
} else {
var d = 0
var o = yield* this.getInsertion(op.left)
while (!Y.utils.compareIds(op.origin, (o ? o.id : null))) {
d++
if (o.left == null) {
break
} else {
o = yield* this.getInsertion(o.left)
}
var d = 0
var o = op
while (!Y.utils.matchesId(o, op.origin)) {
d++
if (o.left == null) {
break
} else {
o = yield* this.getInsertion(o.left)
}
return d
}
return d
},
/*
# $this has to find a unique position between origin and the next known character
@ -162,14 +158,14 @@ module.exports = function (Y/* :any */) {
if (oOriginDistance === i) {
// case 1
if (o.id[0] < op.id[0]) {
op.left = o.id
distanceToOrigin = i + 1
op.left = Y.utils.getLastId(o)
distanceToOrigin = i + 1 // just ignore o.content.length, doesn't make a difference
}
} else if (oOriginDistance < i) {
// case 2
if (i - distanceToOrigin <= oOriginDistance) {
op.left = o.id
distanceToOrigin = i + 1
op.left = Y.utils.getLastId(o)
distanceToOrigin = i + 1 // just ignore o.content.length, doesn't make a difference
}
} else {
break
@ -194,7 +190,8 @@ module.exports = function (Y/* :any */) {
// reconnect left and set right of op
if (op.left != null) {
left = yield* this.getOperation(op.left)
left = yield* this.getInsertion(op.left)
// TODO: remove false
if (false && op.content != null && left.content != null && left.id[0] === op.id[0] && left.id[1] + left.content.length === op.id[1] && left.originOf == null && left.deleted !== true && left.gc !== true) {
// extend left
left.content = left.content.concat(op.content)
@ -214,7 +211,7 @@ module.exports = function (Y/* :any */) {
if (op.right != null) {
// TODO: wanna connect right too?
right = yield* this.getOperation(op.right)
right.left = op.id
right.left = Y.utils.getLastId(op)
// if right exists, and it is supposed to be gc'd. Remove it from the gc
if (right.gc != null) {
@ -257,7 +254,7 @@ module.exports = function (Y/* :any */) {
end: null,
struct: "List",
type: "",
id: this.os.getNextOpId()
id: this.os.getNextOpId(1)
}
*/
create: function (id) {
@ -338,7 +335,7 @@ module.exports = function (Y/* :any */) {
map: {},
struct: "Map",
type: "",
id: this.os.getNextOpId()
id: this.os.getNextOpId(1)
}
*/
create: function (id) {

40
src/Transaction.js
View File

@ -101,7 +101,7 @@ module.exports = function (Y/* :any */) {
}
* createType (typedefinition, id) {
var structname = typedefinition[0].struct
id = id || this.store.getNextOpId()
id = id || this.store.getNextOpId(1)
var op
if (id[0] === '_') {
op = yield* this.getOperation(id)
@ -121,7 +121,7 @@ module.exports = function (Y/* :any */) {
}
/* createType (typedefinition, id) {
var structname = typedefinition[0].struct
id = id || this.store.getNextOpId()
id = id || this.store.getNextOpId(1)
var op = Y.Struct[structname].create(id)
op.type = typedefinition[0].name
if (typedefinition[0].appendAdditionalInfo != null) {
@ -224,7 +224,7 @@ module.exports = function (Y/* :any */) {
}
var left
if (target.left != null) {
left = yield* this.getOperation(target.left)
left = yield* this.getInsertion(target.left)
} else {
left = null
}
@ -417,7 +417,7 @@ module.exports = function (Y/* :any */) {
}
}
if (op.deleted && op.left != null) {
var left = yield* this.getOperation(op.left)
var left = yield* this.getInsertion(op.left)
this.store.addToGarbageCollector(op, left)
}
}
@ -434,7 +434,7 @@ module.exports = function (Y/* :any */) {
*/
* garbageCollectOperation (id) {
this.store.addToDebug('yield* this.garbageCollectOperation(', id, ')')
var o = yield* this.getOperation(id)
var o = yield* this.getInsertionCleanStartEnd(id)
yield* this.markGarbageCollected(id, 1) // always mark gc'd
// if op exists, then clean that mess up..
if (o != null) {
@ -470,7 +470,7 @@ module.exports = function (Y/* :any */) {
// remove gc'd op from the left op, if it exists
if (o.left != null) {
var left = yield* this.getOperation(o.left)
var left = yield* this.getInsertion(o.left)
left.right = o.right
yield* this.setOperation(left)
}
@ -486,7 +486,7 @@ module.exports = function (Y/* :any */) {
var neworigin = o.left
var neworigin_ = null
while (neworigin != null) {
neworigin_ = yield* this.getOperation(neworigin)
neworigin_ = yield* this.getInsertion(neworigin)
if (neworigin_.deleted) {
break
}
@ -554,7 +554,7 @@ module.exports = function (Y/* :any */) {
// o may originate in another operation.
// Since o is deleted, we have to reset o.origin's `originOf` property
if (o.origin != null) {
var origin = yield* this.getOperation(o.origin)
var origin = yield* this.getInsertion(o.origin)
origin.originOf = origin.originOf.filter(function (_id) {
return !Y.utils.compareIds(id, _id)
})
@ -604,7 +604,7 @@ module.exports = function (Y/* :any */) {
var o = yield* this.getOperation([user, state.clock])
while (o != null && o.id[1] === state.clock && user === o.id[0]) {
// either its a new operation (1. case), or it is an operation that was deleted, but is not yet in the OS
state.clock++
state.clock += o.content == null ? 1 : o.content.length
yield* this.checkDeleteStoreForState(state)
o = yield* this.os.findNext(o.id)
}
@ -762,7 +762,7 @@ module.exports = function (Y/* :any */) {
}
* getInsertionCleanStartEnd (id) {
yield* this.getInsertionCleanStart(id)
yield* this.getInsertionCleanEnd(id)
return yield* this.getInsertionCleanEnd(id)
}
// Return an insertion such that id is the first element of content
// This function manipulates an operation, if necessary
@ -775,11 +775,12 @@ module.exports = function (Y/* :any */) {
var left = Y.utils.copyObject(ins)
ins.content = left.content.splice(ins.id[1] - id[1])
ins.id = id
ins.origin = left.id
var leftLid = Y.utils.getLastId(left)
ins.origin = leftLid
left.originOf = [ins.id]
left.right = ins.id
ins.left = left.id
debugger // check
ins.left = leftLid
// debugger // check
yield* this.setOperation(left)
yield* this.setOperation(ins)
return ins
@ -799,11 +800,12 @@ module.exports = function (Y/* :any */) {
var right = Y.utils.copyObject(ins)
right.content = ins.content.splice(-(ins.id[1] + ins.content.length - 1 - id[1])) // cut off remainder
right.id = [id[0], id[1] + 1]
right.origin = ins.id
var insLid = Y.utils.getLastId(ins)
right.origin = insLid
ins.originOf = [right.id]
ins.right = right.id
right.left = ins.id
debugger // check
right.left = insLid
// debugger // check
yield* this.setOperation(right)
yield* this.setOperation(ins)
return ins
@ -961,17 +963,17 @@ module.exports = function (Y/* :any */) {
}
break
}
o = yield* this.getOperation(o.left)
o = yield* this.getInsertion(o.left)
// we set another o, check if we can reduce $missing_origins
while (missing_origins.length > 0 && Y.utils.compareIds(missing_origins[missing_origins.length - 1].origin, o.id)) {
missing_origins.pop()
}
if (o.id[1] < (startSS[o.id[0]] || 0)) {
// case 2. o is known
op.left = o.id
op.left = Y.utils.getLastId(o)
send.push(op)
break
} else if (Y.utils.compareIds(o.id, op.origin)) {
} else if (Y.utils.matchesId(o, op.origin)) {
// case 3. o is op.origin
op.left = op.origin
send.push(op)

49
src/Utils.js
View File

@ -244,22 +244,37 @@ module.exports = function (Y /* : any*/) {
function compareIds (id1, id2) {
if (id1 == null || id2 == null) {
if (id1 == null && id2 == null) {
return true
}
return false
}
if (id1[0] === id2[0]) {
var add1 = id1.length > 2 ? id1[2] : 0
var add2 = id2.length > 2 ? id2[2] : 0
if (id1[1] + add1 === id2[1] + add2) {
return true
}
}
return false
return id1 === id2
} else {
return id1[0] === id2[0] && id1[1] === id2[1]
}
}
Y.utils.compareIds = compareIds
function matchesId (op, id) {
if (id == null || op == null) {
return id === op
} else {
if (id[0] === op.id[0]) {
if (op.content == null) {
return id[1] === op.id[1]
} else {
return id[1] >= op.id[1] && id[1] < op.id[1] + op.content.length
}
}
}
}
Y.utils.matchesId = matchesId
function getLastId (op) {
if (op.content == null || op.content.length === 1) {
return op.id
} else {
return [op.id[0], op.id[1] + op.content.length - 1]
}
}
Y.utils.getLastId = getLastId
function createEmptyOpsArray (n) {
var a = new Array(n)
for (var i = 0; i < a.length; i++) {
@ -288,7 +303,7 @@ module.exports = function (Y /* : any*/) {
this.writeBuffer = createEmptyOpsArray(5)
this.readBuffer = createEmptyOpsArray(10)
}
* find (id) {
* find (id, noSuperCall) {
var i, r
for (i = this.readBuffer.length - 1; i >= 0; i--) {
r = this.readBuffer[i]
@ -311,7 +326,7 @@ module.exports = function (Y /* : any*/) {
break
}
}
if (i < 0) {
if (i < 0 && noSuperCall === undefined) {
// did not reach break in last loop
// read id and put it to the end of readBuffer
o = yield* super.find(id)
@ -378,7 +393,7 @@ module.exports = function (Y /* : any*/) {
yield* super.delete(id)
}
* findWithLowerBound (id) {
var o = yield* this.find(id)
var o = yield* this.find(id, true)
if (o != null) {
return o
} else {
@ -387,7 +402,7 @@ module.exports = function (Y /* : any*/) {
}
}
* findWithUpperBound (id) {
var o = yield* this.find(id)
var o = yield* this.find(id, true)
if (o != null) {
return o
} else {