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Left over solution

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This commit is contained in:
Fabrice Marsaud 2015-03-30 09:31:42 +02:00
parent a9ea1a02ed
commit 48d9fde3b6
1 changed files with 40 additions and 13 deletions
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53
packages/xo-collection/collection.js
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@ -10,6 +10,8 @@ const FailedReplay = makeError('FailedReplay');
const UnrecognizedTransactionItem = makeError('UnrecognizedTransactionItem');
const UnexpectedLogFormat = makeError('UnexpectedLogFormat');
const UnexpectedLogItemData = makeError('UnexpectedLogItemData');
const AlreadyPaused = makeError('AlreadyPaused');
const NothingToFlush = makeError('NothingToFlush');
class Collection {
@ -17,6 +19,31 @@ class Collection {
this._collection = {};
this._transaction = null;
this._track = [];
this._pause = false;
}
pause() {
if (this._pause) {
throw new AlreadyPaused('Already paused');
}
this._pause = true;
}
flush(callback = undefined) {
if (!this._pause) {
throw new NothingToFlush('NothingToFlush');
}
this._pause = false;
let track = this._track;
this._track = [];
return this.replay(track, callback);
}
@ -290,10 +317,11 @@ class Collection {
);
}
this._collection[id] = item;
if (this._transaction) {
this._transaction.push({
if (!this._pause) {
this._collection[id] = item;
}
else {
this._track.push({
action: 'insert',
id,
item
@ -331,13 +359,12 @@ class Collection {
);
}
const former = this._collection[id];
this._collection[id] = item;
if (this._transaction) {
this._transaction.push({
if (!this._pause) {
this._collection[id] = item;
} else {
this._track.push({
action: 'update',
id,
former,
@ -377,10 +404,10 @@ class Collection {
const former = this._collection[id];
delete this._collection[id];
if (this._transaction) {
this._transaction.push({
if (!this._pause) {
delete this._collection[id];
} else {
this._track.push({
action:'delete',
id,
former