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improved new sync idea (save gcs in DS)

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Kevin Jahns
2015-09-28 13:06:17 +02:00
parent a5f76cee84
commit ae8be1ec6b
6 changed files with 203 additions and 184 deletions
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60
src/Struct.js
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@@ -35,66 +35,8 @@ var Struct = {
requiredOps: function (op) {
return [] // [op.target]
},
/*
Delete an operation from the OS, and add it to the GC, if necessary.
Rulez:
* The most left element in a list must not be deleted.
=> There is at least one element in the list
* When an operation o is deleted, then it checks if its right operation
can be gc'd (iff it's deleted)
*/
delete: function * (targetId) {
var target = yield* this.getOperation(targetId)
if (target == null || !target.deleted) {
this.ds.delete(targetId)
var state = yield* this.getState(targetId[0])
if (state.clock === targetId[1]) {
yield* this.checkDeleteStoreForState(state)
yield* this.setState(state)
}
}
if (target != null && target.gc == null) {
if (!target.deleted) {
// set deleted & notify type
target.deleted = true
var type = this.store.initializedTypes[JSON.stringify(target.parent)]
if (type != null) {
yield* type._changed(this, {
struct: 'Delete',
target: targetId
})
}
}
var left = target.left != null ? yield* this.getOperation(target.left) : null
var right = target.right != null ? yield* this.getOperation(target.right) : null
this.store.addToGarbageCollector(target, left, right)
// set here because it was deleted and/or gc'd
yield* this.setOperation(target)
if (
left != null &&
left.left != null &&
this.store.addToGarbageCollector(left, yield* this.getOperation(left.left), target)
) {
yield* this.setOperation(left)
}
if (
right != null &&
right.right != null &&
this.store.addToGarbageCollector(right, target, yield* this.getOperation(right.right))
) {
yield* this.setOperation(right)
}
}
},
execute: function * (op) {
yield* Struct.Delete.delete.call(this, op.target)
yield* this.deleteOperation(op.target)
}
},
Insert: {