ELEVATE Paris
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Transcript of ELEVATE Paris
Advanced Developer Workshop
Peter ChittumDeveloper Evangelist@[email protected]
Hervé MalevillePlatform [email protected]@salesforce.com
Wifi AccessSSID: GuestPassword: fBSuBLqe
http://bit.ly/elevate_adv_workbook
Login and Get Ready
Be Interactive
Free Developer
Environment
http://developer.force.com/join
Safe Harbor
Safe harbor statement under the Private Securities Litigation Reform Act of 1995: This presentation may contain forward-looking statements that involve risks, uncertainties, and assumptions. If any such uncertainties materialize or if any of the assumptions proves incorrect, the results of salesforce.com, inc. could differ materially from the results expressed or implied by the forward-looking statements we make. All statements other than statements of historical fact could be deemed forward-looking, including any projections of subscriber growth, earnings, revenues, or other financial items and any statements regarding strategies or plans of management for future operations, statements of belief, any statements concerning new, planned, or upgraded services or technology developments and customer contracts or use of our services.
The risks and uncertainties referred to above include – but are not limited to – risks associated with developing and delivering new functionality for our service, our new business model, our past operating losses, possible fluctuations in our operating results and rate of growth, interruptions or delays in our Web hosting, breach of our security measures, risks associated with possible mergers and acquisitions, the immature market in which we operate, our relatively limited operating history, our ability to expand, retain, and motivate our employees and manage our growth, new releases of our service and successful customer deployment, our limited history reselling non-salesforce.com products, and utilization and selling to larger enterprise customers. Further information on potential factors that could affect the financial results of salesforce.com, inc. is included in our annual report on Form 10-K for the most recent fiscal quarter ended July 31, 2011. This document and others are available on the SEC Filings section of the Investor Information section of our Web site.
Any unreleased services or features referenced in this or other press releases or public statements are not currently available and may not be delivered on time or at all. Customers who purchase our services should make the purchase decisions based upon features that are currently available. Salesforce.com, inc. assumes no obligation and does not intend to update these forward-looking statements.
Nos prochains évènements à Paris!
Salesforce1 Tour à Paris
Webinar en Français: Data Model & Relationships
Prenez le lead sur notre communauté de Développeurs en France !
Plus d’information sur www.developer.salesforce.com
June 26th
April 29th
A vous de jouer
Core Services
Chatter
Multi-langua
ge
Translation
Workbench
Email Services
Analytics
CloudDatabase
Scheema
Builder
Search
Visualforce
Monitoring
Multi-tenant
Apex
Data-level
Security
Workflows
APIs
Mobile Services
Social
APIs
Analytics
APIs
Bulk APIs
Rest APIs
Metadata
APIs
Soap APIs
Private App
Exchange
Custom
Actions
Identity
Mobile Notificat
ions
Tooling
APIs
Mobile Packs
Mobile SDK
Offline Support
Streaming APIs
Geolocation
ET 1:1 ET Fuel
Heroku1
Heroku Add-Ons
Sharing
Model
ET API
Salesforce1 Platform
Salesforce is a Platform Company. Period.-Alex Williams, TechCrunch
600MAPI Calls Per Day6BLines of
Apex4M+Apps Built on the Platform
72BRecords Stored
Salesforce1 Platform
1.5 Million
Editor Of ChoiceFor the Eclipse fans in the room
Warehouse Application Requirements
Track price and inventory on hand for all merchandise
Create invoices containing one or more merchandise items as a line items
Present total invoice amount and current shipping status
Warehouse Data Model
Merchandise
Name Price Inventory
Pinot $20 15
Cabernet $30 10
Malbec $20 20
Zinfandel $10 50
Invoice
Number Status Count Total
INV-01 Shipped 16 $370
INV-02 New 20 $200
Invoice Line Items
Invoice Line Merchandise Units Sold
Unit Price
Value
INV-01 1 Pinot 1 15 $20
INV-01 2 Cabernet 5 10 $150
INV-01 3 Malbec 10 20 $200
INV-02 1 Pinot 20 50 $200
Apex
Introduction to Apex
Object-Oriented Language
Dot Notation Syntax
Case Insenstive
“First Class” Citizen on the Platform
Apex Anatomy
Chapter 1:
public with sharing class myControllerExtension implements Util {
private final Account acct; public Contact newContact {get; set;} public myControllerExtension(ApexPages.StandardController stdController) { this.acct = (Account)stdController.getRecord(); }
public PageReference associateNewContact(Id cid) { newContact = [SELECT Id, Account from Contact WHERE Id =: cid LIMIT 1]; newContact.Account = acct; update newContact; }}
Class and Interface based
Scoped Variables
Inline SOQL
Inline DML
Developer Console
Browser Based IDE
Create and Edit Classes
Create and Edit Triggers
Run Unit Tests
Review Debug Logs
Apex Triggers
Event Based Logic
Associated with Object
Types
Before or After:
Insert
Update
Delete
Undelete
Controlling Flow
trigger LineItemTrigger on Line_Item__c (before insert,
before update) { //separate before and after if(Trigger.isBefore) { //separate events if(Trigger.isInsert) {
System.debug(‘BEFORE INSERT’); DelegateClass.performLogic(Trigger.new);
Static Flags
public with sharing class AccUpdatesControl { // This class is used to prevent multiple calls public static boolean calledOnce = false; public static boolean ProdUpdateTrigger = false;}
Chatter Triggers
trigger AddRegexTrigger on Blacklisted_Word__c (before insert, before update) {
for (Blacklisted_Word__c f : trigger.new) { if(f.Custom_Expression__c != NULL) { f.Word__c = ''; f.Match_Whole_Words_Only__c = false; f.RegexValue__c = f.Custom_Expression__c; } }}
Trigger Tutorial
Basic: Tutorial 2
Intermediate: Tutorial 4
Beyond Intermediate: http://bit.ly/ELEV-triggers
http://bit.ly/elevate_adv_workbook
Unit Testing in Apex
Built in support for testing– Test Utility Class Annotation
– Test Method Annotation
– Test Data build up and tear down
Unit test coverage is required– Must have at least 75% of code covered
Why is it required?
Unit Testing
• Declare Classes/Code as Test
• isTest Annotation
• testmethod keyword
• Default data scope is test only
Testing Context
// this is where the context of your test beginsTest.StartTest();
//execute future calls, batch apex, scheduled apex
// this is where the context endsText.StopTest(); System.assertEquals(a,b); //now begin assertions
Testing Permissions
//Set up userUser u1 = [SELECT Id FROM User WHERE Alias='auser']; //Run As U1System.RunAs(u1){ //do stuff only u1 can do}
Static Resource Data
List<Invoice__c> invoices = Test.loadData(Invoice__c.sObjectType, 'InvoiceData');update invoices;
Mock HTTP Endpoints
@isTestglobal class MockHttp implements HttpCalloutMock {
global HTTPResponse respond(HTTPRequest req) { // Create a fake response HttpResponse res = new HttpResponse(); res.setHeader('Content-Type', 'application/json'); res.setBody('{"foo":"bar"}'); res.setStatusCode(200); return res; }}
Mock HTTP Endpoints
@isTestprivate class CalloutClassTest {
static void testCallout() { Test.setMock(HttpCalloutMock.class, new MockHttp()); HttpResponse res = CalloutClass.getInfoFromExternalService(); // Verify response received contains fake values String actualValue = res.getBody(); String expectedValue = '{"foo":"bar"}'; System.assertEquals(actualValue, expectedValue); }}
Unit Testing Tutorial
Batch Apex
Apex Batch Processing
Governor Limits– Various limitations around resource usage
Asynchronous processing– Send your job to a queue and we promise to run it
Can be scheduled to run later– Kind of like a chron job
Batchable Interface
global with sharing class WHUtil implements Database.Batchable<sObject>{ global Database.QueryLocator start(Database.BatchableContext BC) { //Start on next context } global void execute(Database.BatchableContext BC, List<sObject> scope) { //Execute on current scope }
global void finish(Database.BatchableContext BC) { //Finish and clean up context } }
Implementing Apex Batch Processing
Apex Batch Processing Tutorial
Scheduled Apex
Schedulable Interface
global with sharing class WarehouseUtil implements Schedulable { //General constructor global WarehouseUtil() {} //Scheduled execute global void execute(SchedulableContext ctx) { //Use static method for checking dated invoices WarehouseUtil.checkForDatedInvoices(); }}
Schedulable Interface
System.schedule('testSchedule','0 0 13 * * ?',new WarehouseUtil());Via Apex
Via Web UI
Unit Testing Batch Apex
Test.StartTest();
System.schedule(‘once','0 0 13 * * ?',new,WarehouseUtil());
ID batchprocessid = Database.executeBatch(new WarehouseUtil());
Test.StopTest();
Scheduling Apex
Apex Scheduling Tutorial
Apex REST Services
Apex REST
@RestResource(urlMapping='/CaseManagement/v1/*')global with sharing class CaseMgmtService{ @HttpPost global static String attachPic() { RestRequest req = RestContext.request; RestResponse res = Restcontext.response; Id caseId = req.requestURI.substring(req.requestURI.lastIndexOf('/')+1); Blob picture = req.requestBody; Attachment a = new Attachment (ParentId = caseId, Body = picture, ContentType = 'image/
Apex REST Services
REST Services with Apex Tutorial
Visualforce
Framework
Server-side compiled web pages– (Think PHP, JSP, etc.)
Easily create salesforce UI
Standard-compliant
Can Interact With Apex for Custom Logic
Visualforce Tags
<apex:page docType=“html-5.0” />
<apex:input type=“email”/>
<apex:pageBlockSection collapsible=“false” />
Hashed information block to track server side transports
Viewstate
Apex Form
Required for standard salesforce post
Incurs Viewstate Overhead
<apex:form> …</apex:form
aspdoifuapknva894372h4ofincao98vh0q938hfoqiwnbdco8q73h0o9fqubovilbodfubqo3e8ufbw
Interacting with Apex
ActionFunction allows direct binding of variables
ActionFunction requires ViewState
JavaScript Remoting binds to static methods
JavaScript Remoting uses no ViewState
Transient, Private and Static reduce Viewstate
Apex Remote Action
Static
No View State
Invoked through JS API
Invokes JS Callback
@remoteAction
global static String myMethod(String
inputParam){
...
}
Calling Apex Remote Action
Visualforce.remoting.Manager.invokeAction(’
{!
$RemoteAction.RemoteClass.methodName}',
param,
function(result, event) {
//...callback to handle result
});
Event Object: Success Example
{
"statusCode":200,
"type":"rpc",
"ref":false,
"action":"IncidentReport",
"method":"createIncidentReport",
"result":"a072000000pt1ZLAAY",
"status":true
}
Event Object: Failure Example{
"statusCode":400,
"type":"exception",
"action":"IncidentReport",
"method":"createIncidentReport",
"message":"List has more than 1 row for assignment to SObject",
"data": {"0":
{"Merchandise__c":"a052000000GUgYgAAL","Type__c":"Accident","Desc
ription__c":"This is an accident report"}},
"result":null,
"status":false
}
Interacting with the Publisher: Allow Submit
Make Submit Active
Payload true/false
Sfdc.canvas.publisher.publish(
{
name: "publisher.setValidForSubmit",
payload:true
});
Interacting with the Publisher: Subscribe to Submit Attach to Submit Event Sfdc.canvas.publisher.subscribe({
name: "publisher.post",
onData:function(e) {
// This subscribe fires when the user hits 'Submit'
in the publisher
postToFeed();
}});
Interacting with the Publisher: Close Publisher Make the Submit Happen
Sfdc.canvas.publisher.publish({name:
"publisher.close", payload:
{ refresh:"true"}});
The Future! (Well, Spring ‘14)
Remote Objects Standard CRUD/Q functionality without Apex
Similar to remoteTK or SObjectData
Visualforce components define data models
<apex:jsSObjectBase shortcut="tickets"> <apex:jsSObjectModel name="Ticket__c" /> <apex:jsSObjectModel name="Contact" fields="Email" /> <script> var contact = new tickets.Contact();
contact.retrieve({ where: { Email: { like: query + '%' } } }, function(err, data) {
Canvas
Only has to be accessible from the user’s browser
Authentication via OAuth or Signed Response
JavaScript based SDK Within Canvas, the App can make API
calls as the current user apex:CanvasApp allows embedding
via Visualforce
Any Language, Any Platform
How Canvas Works
OAuth
RemoteApplication
SalesforcePlatform
Sends App Credentials
User logs in,Token sent to callback
Confirms token
Send access token
Maintain session withrefresh token
OAuth2 Authentication Flow
Tools for teams and build masters
Team Development
API to access customizations to the Force.com platform
Metadata API
Access, create and edit Force.com application code
Tooling API
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The Wrap Up
Nos prochains évènements à Paris!
Salesforce1 Tour à Paris
Webinar en Français: Data Model & Relationships
Prenez le lead sur notre communauté de Développeurs en France !
Plus d’information sur www.developer.salesforce.com
June 26th
April 29th
A vous de jouer
Questionnaire en ligne
Répondre au questionnaire en ligne sur cet ELEVATE: http://bit.ly/elevateFR
check inbox http://bit.ly/elevateFR
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@forcedotcom@pchittum@dcarroll
#forcedotcom#askforce
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Join A Developer User Group
http://bit.ly/fdc-dugs
PARIS DUG:http://www.meetup.com/Paris-
Salesforce-Developer-User-Group/
Leader: Mohamed EL MOUSSAOUI
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Become A Developer User Group Leader
Email:April Nassi
Thank You
Peter ChittumDeveloper Evangelist@[email protected]
Hervé MalevillePlatform [email protected]@salesforce.com