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[Duplicate] Rewrite identifiers in clones

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Traverse object models of clones and rewrite domain object
identifiers that have changed during duplication.

Addresses https://github.com/nasa/openmctweb/issues/332
This commit is contained in:
Victor Woeltjen 2015-12-08 15:41:33 -08:00
parent ed7e0d8b0a
commit e32feb29e2
1 changed files with 39 additions and 0 deletions
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39
platform/entanglement/src/services/CopyTask.js
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@ -45,6 +45,7 @@ define(
this.policyService = policyService;
this.persisted = 0;
this.clones = [];
this.idMap = {};
}
function composeChild(child, parent, setLocation) {
@ -104,6 +105,40 @@ define(
.then(function(){return self.firstClone;});
}
/**
* Update identifiers in a cloned object model (or part of
* a cloned object model) to reflect new identifiers after
* copying.
* @private
*/
CopyTask.prototype.rewriteIdentifiers = function (obj) {
var idMap = this.idMap;
if (Array.isArray(obj)) {
obj.forEach(function (value, index) {
obj[index] = idMap[value] || value;
this.rewriteIdentifiers(obj[index]);
}, this);
} else if (obj && typeof obj === 'object') {
Object.keys(obj).forEach(function (key) {
var value = obj[key];
obj[key] = idMap[value] || value;
if (idMap[key]) {
delete obj[key];
obj[idMap[key]] = value;
}
this.rewriteIdentifiers(value);
}, this);
}
};
function rewriteIdentifiersInClones(self) {
self.clones.forEach(function (clone) {
self.rewriteIdentifiers(clone.getModel());
});
return self;
}
/**
* Given an array of objects composed by a parent, clone them, then
* add them to the parent.
@ -153,6 +188,9 @@ define(
// space is used.
clone = this.parent.useCapability("instantiation", cloneObjectModel(originalObject.getModel()));
// Record ID mappings so we can rewrite properties later
self.idMap[originalObject.getId()] = clone.getId();
//Iterate through child tree
return this.$q.when(originalObject.useCapability('composition')).then(function(composees){
self.deferred.notify({phase: "preparing"});
@ -207,6 +245,7 @@ define(
this.deferred = this.$q.defer();
this.buildCopyPlan()
.then(rewriteIdentifiersInClones)
.then(persistObjects)
.then(addClonesToParent)
.then(this.deferred.resolve, this.deferred.reject);