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[Location] Add getOriginal method

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Add a getOriginal method to the location capability, to simplify
loading of original versions of objects. nasa/openmctweb#147
This commit is contained in:
Victor Woeltjen 2015-10-06 16:08:48 -07:00
parent d6fe543c16
commit 60f2f9fb6c
3 changed files with 49 additions and 9 deletions
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3
platform/entanglement/bundle.json
View File

@ -52,7 +52,8 @@
"key": "location",
"name": "Location Capability",
"description": "Provides a capability for retrieving the location of an object based upon it's context.",
"implementation": "capabilities/LocationCapability"
"implementation": "capabilities/LocationCapability",
"depends": [ "$q", "$injector" ]
}
],
"services": [

38
platform/entanglement/src/capabilities/LocationCapability.js
View File

@ -12,11 +12,41 @@ define(
*
* @constructor
*/
function LocationCapability(domainObject) {
function LocationCapability($q, $injector, domainObject) {
this.domainObject = domainObject;
this.$q = $q;
this.$injector = $injector;
return this;
}
/**
* Get an instance of this domain object in its original location.
*
* @returns {Promise.<DomainObject>} a promise for the original
* instance of this domain object
*/
LocationCapability.prototype.getOriginal = function () {
var id;
if (this.isOriginal()) {
return this.$q.when(this.domainObject);
}
id = this.domainObject.getId();
this.objectService =
this.objectService || this.$injector.get("objectService");
// Assume that an object will be correctly contextualized when
// loaded directly from the object service; this is true
// so long as LocatingObjectDecorator is present, and that
// decorator is also contained in this bundle.
return this.objectService.getObjects([id])
.then(function (objects) {
return objects[id];
});
};
/**
* Set the primary location (the parent id) of the current domain
* object.
@ -78,10 +108,6 @@ define(
return !this.isLink();
};
function createLocationCapability(domainObject) {
return new LocationCapability(domainObject);
}
return createLocationCapability;
return LocationCapability;
}
);

17
platform/entanglement/test/capabilities/LocationCapabilitySpec.js
View File

@ -7,6 +7,7 @@ define(
'../ControlledPromise'
],
function (LocationCapability, domainObjectFactory, ControlledPromise) {
'use strict';
describe("LocationCapability", function () {
@ -14,13 +15,16 @@ define(
var locationCapability,
persistencePromise,
mutationPromise,
mockQ,
mockInjector,
mockObjectService,
domainObject;
beforeEach(function () {
domainObject = domainObjectFactory({
capabilities: {
context: {
getParent: function() {
getParent: function () {
return domainObjectFactory({id: 'root'});
}
},
@ -35,6 +39,11 @@ define(
}
});
mockQ = jasmine.createSpyObj("$q", ["when"]);
mockInjector = jasmine.createSpyObj("$injector", ["get"]);
mockObjectService =
jasmine.createSpyObj("objectService", ["getObjects"]);
persistencePromise = new ControlledPromise();
domainObject.capabilities.persistence.persist.andReturn(
persistencePromise
@ -49,7 +58,11 @@ define(
}
);
locationCapability = new LocationCapability(domainObject);
locationCapability = new LocationCapability(
mockQ,
mockObjectService,
domainObject
);
});
it("returns contextual location", function () {