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Merge pull request #1084 from nasa/transaction-clearing-1059

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[Persistence] Clear transactions selectively
This commit is contained in:
Andrew Henry 2016-07-15 16:20:19 -07:00 committed by GitHub
commit 6176ca2260
10 changed files with 344 additions and 135 deletions
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16
platform/commonUI/edit/bundle.js
View File

@ -42,6 +42,7 @@ define([
"./src/representers/EditToolbarRepresenter",
"./src/capabilities/EditorCapability",
"./src/capabilities/TransactionCapabilityDecorator",
"./src/services/TransactionManager",
"./src/services/TransactionService",
"./src/creation/CreateMenuController",
"./src/creation/LocatorController",
@ -80,6 +81,7 @@ define([
EditToolbarRepresenter,
EditorCapability,
TransactionCapabilityDecorator,
TransactionManager,
TransactionService,
CreateMenuController,
LocatorController,
@ -222,8 +224,7 @@ define([
"policyService",
"dialogService",
"creationService",
"copyService",
"transactionService"
"copyService"
],
"priority": "mandatory"
},
@ -321,7 +322,7 @@ define([
"implementation": TransactionCapabilityDecorator,
"depends": [
"$q",
"transactionService"
"transactionManager"
],
"priority": "fallback"
},
@ -406,6 +407,15 @@ define([
"key": "locator",
"template": locatorTemplate
}
],
"services": [
{
"key": "transactionManager",
"implementation": TransactionManager,
"depends": [
"transactionService"
]
}
]
}
});

38
platform/commonUI/edit/src/actions/SaveAsAction.js
View File

@ -44,7 +44,6 @@ define([
dialogService,
creationService,
copyService,
transactionService,
context
) {
this.domainObject = (context || {}).domainObject;
@ -55,7 +54,6 @@ define([
this.dialogService = dialogService;
this.creationService = creationService;
this.copyService = copyService;
this.transactionService = transactionService;
}
/**
@ -113,9 +111,8 @@ define([
var self = this,
domainObject = this.domainObject,
copyService = this.copyService,
transactionService = this.transactionService,
cancelOldTransaction,
dialog = new SaveInProgressDialog(this.dialogService);
dialog = new SaveInProgressDialog(this.dialogService),
toUndirty = [];
function doWizardSave(parent) {
var wizard = self.createWizard(parent);
@ -147,29 +144,33 @@ define([
}
function allowClone(objectToClone) {
return (objectToClone.getId() === domainObject.getId()) ||
objectToClone.getCapability('location').isOriginal();
var allowed =
(objectToClone.getId() === domainObject.getId()) ||
objectToClone.getCapability('location').isOriginal();
if (allowed) {
toUndirty.push(objectToClone);
}
return allowed;
}
function cloneIntoParent(parent) {
return copyService.perform(domainObject, parent, allowClone);
}
function undirty(object) {
return object.getCapability('persistence').refresh();
}
function undirtyOriginals(object) {
return Promise.all(toUndirty.map(undirty))
.then(resolveWith(object));
}
function commitEditingAfterClone(clonedObject) {
return domainObject.getCapability("editor").save()
.then(resolveWith(clonedObject));
}
function restartTransaction(object) {
cancelOldTransaction = transactionService.restartTransaction();
return object;
}
function doCancelOldTransaction(object) {
cancelOldTransaction();
return object;
}
function onFailure() {
hideBlockingDialog();
return false;
@ -179,10 +180,9 @@ define([
.then(doWizardSave)
.then(showBlockingDialog)
.then(getParent)
.then(restartTransaction)
.then(cloneIntoParent)
.then(undirtyOriginals)
.then(commitEditingAfterClone)
.then(doCancelOldTransaction)
.then(hideBlockingDialog)
.catch(onFailure);
};

43
platform/commonUI/edit/src/capabilities/TransactionalPersistenceCapability.js
View File

@ -33,22 +33,21 @@ define(
* called.
* @memberof platform/commonUI/edit/capabilities
* @param $q
* @param transactionService
* @param transactionManager
* @param persistenceCapability
* @param domainObject
* @constructor
*/
function TransactionalPersistenceCapability(
$q,
transactionService,
transactionManager,
persistenceCapability,
domainObject
) {
this.transactionService = transactionService;
this.transactionManager = transactionManager;
this.persistenceCapability = persistenceCapability;
this.domainObject = domainObject;
this.$q = $q;
this.persistPending = false;
}
/**
@ -57,34 +56,14 @@ define(
* @returns {*}
*/
TransactionalPersistenceCapability.prototype.persist = function () {
var self = this;
var wrappedPersistence = this.persistenceCapability;
function onCommit() {
return self.persistenceCapability.persist().then(function (result) {
self.persistPending = false;
return result;
});
}
function onCancel() {
if (self.domainObject.getModel().persisted !== undefined) {
//Fetch clean model from persistence
return self.persistenceCapability.refresh().then(function (result) {
self.persistPending = false;
return result;
});
} else {
self.persistPending = false;
//Model is undefined in persistence, so return undefined.
return self.$q.when(undefined);
}
}
if (this.transactionService.isActive()) {
if (!this.persistPending) {
this.transactionService.addToTransaction(onCommit, onCancel);
this.persistPending = true;
}
if (this.transactionManager.isActive()) {
this.transactionManager.addToTransaction(
this.domainObject.getId(),
wrappedPersistence.persist.bind(wrappedPersistence),
wrappedPersistence.refresh.bind(wrappedPersistence)
);
//Need to return a promise from this function
return this.$q.when(true);
} else {
@ -93,6 +72,8 @@ define(
};
TransactionalPersistenceCapability.prototype.refresh = function () {
this.transactionManager
.clearTransactionsFor(this.domainObject.getId());
return this.persistenceCapability.refresh();
};

113
platform/commonUI/edit/src/services/TransactionManager.js Normal file
View File

@ -0,0 +1,113 @@
/*****************************************************************************
* Open MCT, Copyright (c) 2014-2016, United States Government
* as represented by the Administrator of the National Aeronautics and Space
* Administration. All rights reserved.
*
* Open MCT is licensed under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* http://www.apache.org/licenses/LICENSE-2.0.
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
* Open MCT includes source code licensed under additional open source
* licenses. See the Open Source Licenses file (LICENSES.md) included with
* this source code distribution or the Licensing information page available
* at runtime from the About dialog for additional information.
*****************************************************************************/
define([], function () {
/**
* Manages transactions to support the TransactionalPersistenceCapability.
* This assumes that all commit/cancel callbacks for a given domain
* object are equivalent, and only need to be added once to any active
* transaction. Violating this assumption may cause unexpected behavior.
* @constructor
* @memberof platform/commonUI/edit
*/
function TransactionManager(transactionService) {
this.transactionService = transactionService;
this.clearTransactionFns = {};
}
/**
* Check if a transaction is currently active.
* @returns {boolean} true if there is a transaction active
*/
TransactionManager.prototype.isActive = function () {
return this.transactionService.isActive();
};
/**
* Check if callbacks associated with this domain object have already
* been added to the active transaction.
* @private
* @param {string} id the identifier of the domain object to check
* @returns {boolean} true if callbacks have been added
*/
TransactionManager.prototype.isScheduled = function (id) {
return !!this.clearTransactionFns[id];
};
/**
* Add callbacks associated with this domain object to the active
* transaction. Both callbacks are expected to return promises that
* resolve when their associated behavior is complete.
*
* If callbacks associated with this domain object have already been
* added to the active transaction, this call will be ignored.
*
* @param {string} id the identifier of the associated domain object
* @param {Function} onCommit behavior to invoke when committing transaction
* @param {Function} onCancel behavior to invoke when cancelling transaction
*/
TransactionManager.prototype.addToTransaction = function (
id,
onCommit,
onCancel
) {
var release = this.releaseClearFn.bind(this, id);
function chain(promiseFn, nextFn) {
return function () {
return promiseFn().then(nextFn);
};
}
if (!this.isScheduled(id)) {
this.clearTransactionFns[id] =
this.transactionService.addToTransaction(
chain(onCommit, release),
chain(onCancel, release)
);
}
};
/**
* Remove any callbacks associated with this domain object from the
* active transaction.
* @param {string} id the identifier for the domain object
*/
TransactionManager.prototype.clearTransactionsFor = function (id) {
if (this.isScheduled(id)) {
this.clearTransactionFns[id]();
this.releaseClearFn(id);
}
};
/**
* Release the cached "remove from transaction" function that has been
* stored in association with this domain object.
* @param {string} id the identifier for the domain object
* @private
*/
TransactionManager.prototype.releaseClearFn = function (id) {
delete this.clearTransactionFns[id];
};
return TransactionManager;
});

40
platform/commonUI/edit/src/services/TransactionService.js
View File

@ -81,6 +81,15 @@ define(
//Log error because this is a programming error if it occurs.
this.$log.error("No transaction in progress");
}
return function () {
this.onCommits = this.onCommits.filter(function (callback) {
return callback !== onCommit;
});
this.onCancels = this.onCancels.filter(function (callback) {
return callback !== onCancel;
});
}.bind(this);
};
/**
@ -140,38 +149,9 @@ define(
});
};
/**
* Clear and restart the active transaction.
*
* This neither cancels nor commits the active transaction;
* instead, it returns a function that can be used to cancel that
* transaction.
*
* @returns {Function} a function to cancel the prior transaction
* @private
*/
TransactionService.prototype.restartTransaction = function () {
var oldOnCancels = this.onCancels;
this.onCommits = [];
this.onCancels = [];
return function () {
while (oldOnCancels.length > 0) {
var onCancel = oldOnCancels.pop();
try {
onCancel();
} catch (error) {
this.$log.error("Error cancelling transaction.");
}
}
};
};
TransactionService.prototype.size = function () {
return this.onCommits.length;
};
return TransactionService;
}
);
});

28
platform/commonUI/edit/test/actions/SaveAsActionSpec.js
View File

@ -34,7 +34,6 @@ define(
mockCopyService,
mockParent,
mockUrlService,
mockTransactionService,
actionContext,
capabilities = {},
action;
@ -120,26 +119,11 @@ define(
["urlForLocation"]
);
mockTransactionService = jasmine.createSpyObj(
"transactionService",
["restartTransaction"]
);
mockTransactionService.restartTransaction
.andReturn(jasmine.createSpy());
actionContext = {
domainObject: mockDomainObject
};
action = new SaveAsAction(
undefined,
undefined,
mockDialogService,
undefined,
mockCopyService,
mockTransactionService,
actionContext
);
action = new SaveAsAction(undefined, undefined, mockDialogService, undefined, mockCopyService, actionContext);
spyOn(action, "getObjectService");
action.getObjectService.andReturn(mockObjectService);
@ -195,9 +179,15 @@ define(
});
it("hides the blocking dialog after saving", function () {
action.perform();
var mockCallback = jasmine.createSpy();
action.perform().then(mockCallback);
expect(mockDialogService.showBlockingMessage).toHaveBeenCalled();
expect(mockDialogService.dismiss).toHaveBeenCalled();
waitsFor(function () {
return mockCallback.calls.length > 0;
});
runs(function () {
expect(mockDialogService.dismiss).toHaveBeenCalled();
});
});
});

61
platform/commonUI/edit/test/capabilities/TransactionalPersistenceCapabilitySpec.js
View File

@ -37,77 +37,74 @@ define(
describe("The transactional persistence decorator", function () {
var mockQ,
mockTransactionService,
mockTransactionManager,
mockPersistence,
mockDomainObject,
testId,
capability;
beforeEach(function () {
testId = "test-id";
mockQ = jasmine.createSpyObj("$q", ["when"]);
mockQ.when.andCallFake(function (val) {
return fastPromise(val);
});
mockTransactionService = jasmine.createSpyObj(
mockTransactionManager = jasmine.createSpyObj(
"transactionService",
["isActive", "addToTransaction"]
["isActive", "addToTransaction", "clearTransactionsFor"]
);
mockPersistence = jasmine.createSpyObj(
"persistenceCapability",
["persist", "refresh"]
["persist", "refresh", "getSpace"]
);
mockPersistence.persist.andReturn(fastPromise());
mockPersistence.refresh.andReturn(fastPromise());
mockDomainObject = jasmine.createSpyObj(
"domainObject",
[
"getModel"
]
["getModel", "getId"]
);
mockDomainObject.getModel.andReturn({persisted: 1});
mockDomainObject.getId.andReturn(testId);
capability = new TransactionalPersistenceCapability(mockQ, mockTransactionService, mockPersistence, mockDomainObject);
capability = new TransactionalPersistenceCapability(
mockQ,
mockTransactionManager,
mockPersistence,
mockDomainObject
);
});
it("if no transaction is active, passes through to persistence" +
" provider", function () {
mockTransactionService.isActive.andReturn(false);
mockTransactionManager.isActive.andReturn(false);
capability.persist();
expect(mockPersistence.persist).toHaveBeenCalled();
});
it("if transaction is active, persist and cancel calls are" +
" queued", function () {
mockTransactionService.isActive.andReturn(true);
mockTransactionManager.isActive.andReturn(true);
capability.persist();
expect(mockTransactionService.addToTransaction).toHaveBeenCalled();
mockTransactionService.addToTransaction.mostRecentCall.args[0]();
expect(mockTransactionManager.addToTransaction).toHaveBeenCalled();
mockTransactionManager.addToTransaction.mostRecentCall.args[1]();
expect(mockPersistence.persist).toHaveBeenCalled();
mockTransactionService.addToTransaction.mostRecentCall.args[1]();
mockTransactionManager.addToTransaction.mostRecentCall.args[2]();
expect(mockPersistence.refresh).toHaveBeenCalled();
});
it("if transaction is active, cancel call is queued that refreshes model when appropriate", function () {
mockTransactionService.isActive.andReturn(true);
capability.persist();
expect(mockTransactionService.addToTransaction).toHaveBeenCalled();
mockDomainObject.getModel.andReturn({});
mockTransactionService.addToTransaction.mostRecentCall.args[1]();
expect(mockPersistence.refresh).not.toHaveBeenCalled();
mockDomainObject.getModel.andReturn({persisted: 1});
mockTransactionService.addToTransaction.mostRecentCall.args[1]();
expect(mockPersistence.refresh).toHaveBeenCalled();
it("wraps getSpace", function () {
mockPersistence.getSpace.andReturn('foo');
expect(capability.getSpace()).toEqual('foo');
});
it("persist call is only added to transaction once", function () {
mockTransactionService.isActive.andReturn(true);
capability.persist();
expect(mockTransactionService.addToTransaction).toHaveBeenCalled();
capability.persist();
expect(mockTransactionService.addToTransaction.calls.length).toBe(1);
it("clears transactions and delegates refresh calls", function () {
capability.refresh();
expect(mockTransactionManager.clearTransactionsFor)
.toHaveBeenCalledWith(testId);
expect(mockPersistence.refresh)
.toHaveBeenCalled();
});
});

132
platform/commonUI/edit/test/services/TransactionManagerSpec.js Normal file
View File

@ -0,0 +1,132 @@
/*****************************************************************************
* Open MCT, Copyright (c) 2014-2016, United States Government
* as represented by the Administrator of the National Aeronautics and Space
* Administration. All rights reserved.
*
* Open MCT is licensed under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* http://www.apache.org/licenses/LICENSE-2.0.
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
* Open MCT includes source code licensed under additional open source
* licenses. See the Open Source Licenses file (LICENSES.md) included with
* this source code distribution or the Licensing information page available
* at runtime from the About dialog for additional information.
*****************************************************************************/
/*global define,describe,it,expect,beforeEach,jasmine*/
define(
["../../src/services/TransactionManager"],
function (TransactionManager) {
describe("TransactionManager", function () {
var mockTransactionService,
testId,
mockOnCommit,
mockOnCancel,
mockRemoves,
mockPromise,
manager;
beforeEach(function () {
mockRemoves = [];
mockTransactionService = jasmine.createSpyObj(
"transactionService",
["addToTransaction", "isActive"]
);
mockOnCommit = jasmine.createSpy('commit');
mockOnCancel = jasmine.createSpy('cancel');
testId = 'test-id';
mockPromise = jasmine.createSpyObj('promise', ['then']);
mockOnCommit.andReturn(mockPromise);
mockOnCancel.andReturn(mockPromise);
mockTransactionService.addToTransaction.andCallFake(function () {
var mockRemove =
jasmine.createSpy('remove-' + mockRemoves.length);
mockRemoves.push(mockRemove);
return mockRemove;
});
manager = new TransactionManager(mockTransactionService);
});
it("delegates isActive calls", function () {
[false, true].forEach(function (state) {
mockTransactionService.isActive.andReturn(state);
expect(manager.isActive()).toBe(state);
});
});
describe("when addToTransaction is called", function () {
beforeEach(function () {
manager.addToTransaction(
testId,
mockOnCommit,
mockOnCancel
);
});
it("adds callbacks to the active transaction", function () {
expect(mockTransactionService.addToTransaction)
.toHaveBeenCalledWith(
jasmine.any(Function),
jasmine.any(Function)
);
});
it("invokes passed-in callbacks from its own callbacks", function () {
expect(mockOnCommit).not.toHaveBeenCalled();
mockTransactionService.addToTransaction
.mostRecentCall.args[0]();
expect(mockOnCommit).toHaveBeenCalled();
expect(mockOnCancel).not.toHaveBeenCalled();
mockTransactionService.addToTransaction
.mostRecentCall.args[1]();
expect(mockOnCancel).toHaveBeenCalled();
});
it("ignores subsequent calls for the same object", function () {
manager.addToTransaction(
testId,
jasmine.createSpy(),
jasmine.createSpy()
);
expect(mockTransactionService.addToTransaction.calls.length)
.toEqual(1);
});
it("accepts subsequent calls for other objects", function () {
manager.addToTransaction(
'other-id',
jasmine.createSpy(),
jasmine.createSpy()
);
expect(mockTransactionService.addToTransaction.calls.length)
.toEqual(2);
});
it("does not remove callbacks from the transaction", function () {
expect(mockRemoves[0]).not.toHaveBeenCalled();
});
describe("and clearTransactionsFor is subsequently called", function () {
beforeEach(function () {
manager.clearTransactionsFor(testId);
});
it("removes callbacks from the transaction", function () {
expect(mockRemoves[0]).toHaveBeenCalled();
});
});
});
});
}
);

4
platform/core/src/capabilities/PersistenceCapability.js
View File

@ -152,6 +152,10 @@ define(
}, modified);
}
if (domainObject.getModel().persisted === undefined) {
return this.$q.when(true);
}
return this.persistenceService.readObject(
this.getSpace(),
this.getKey()

4
platform/core/test/capabilities/PersistenceCapabilitySpec.js
View File

@ -74,7 +74,7 @@ define(
);
mockQ = jasmine.createSpyObj(
"$q",
["reject"]
["reject", "when"]
);
mockNofificationService = jasmine.createSpyObj(
"notificationService",
@ -103,6 +103,7 @@ define(
mockIdentifierService.parse.andReturn(mockIdentifier);
mockIdentifier.getSpace.andReturn(SPACE);
mockIdentifier.getKey.andReturn(key);
mockQ.when.andCallFake(asPromise);
persistence = new PersistenceCapability(
mockCacheService,
mockPersistenceService,
@ -156,6 +157,7 @@ define(
});
it("refreshes the domain object model from persistence", function () {
var refreshModel = {someOtherKey: "some other value"};
model.persisted = 1;
mockPersistenceService.readObject.andReturn(asPromise(refreshModel));
persistence.refresh();
expect(model).toEqual(refreshModel);