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Product Developer

Remedyforce

@Prasanna__d

April 18 / 2015

Prasanna Deshpande

OData, External Objects & Lightning Connect

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Session outline

• OData

• Specification

• Designing

• External objects

• Advance External objects

• Lightning Connect

• Demo

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—01oData

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OData specification

From OData.orgOData is a standardized protocol for creating and consuming data APIs. OData builds on core protocols like HTTP and

commonly accepted methodologies like REST. The result is a uniform way to expose full-featured data APIs.

Standardization effortThis was proposed by Microsoft in 2009, OASIS standardized it 2014.

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OData block diagram

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OData over REST

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OData v2.0 URI – conventions

• Metadata of the service• http://services.odata.org/OData/OData.svc/ and http://services.odata.org/OData/OData.svc/$m

etadata

• Query Examples• http://services.odata.org/OData/OData.svc/Categories - Brings all categories

• http://services.odata.org/OData/OData.svc/Categories(1) – Brings category with key 1

• http://services.odata.org/OData/OData.svc/Categories(1)/Name - Brings Name for the category with key 1

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OData adoption

• Microsoft

• SAP

• Red Hat

• IBM

• Salesforce

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OData developer libraries

• Java – Apache Olingo, odata4j

• .NET – WCF services, AdaptiveLINQ, OData client code generator

• Javascript – ODatajs beta, datajs, JayData, node-odata

• C++ - ODatacpp

• Python - ODatapy

Producers -

• Cloud Drivers

• IBM DB2 & Infomix

• Microsoft Dynamics CRM 2011

• SAP NetWeaver Gateway

• SharePoint

• SQL Server 2012

• Teiid (JBOSS)

• Team Foundation Server

• Windows Azure Table Storage

Consumers-

• ADO.NET Driver

• JDBC Driver

• Joomla

• Lightning Connect

• Drupal

• Excel Add-In

• Modern Browsers

• Telerik Reporting

OData Ecosystem

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—External Objects

02

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What are External Objects

• An Alternative to ETL ▪ Extract-Transform-Load is very popular for data synchronization

• Using External Objects for Integration Expose OData or proprietary data in your Salesforce org

• Using the meta data model (EDM) exposed by OData service, the platform can create a custom object & fields. This object will have an extension __x which is differentiated from custom object __c.

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What I can do with External objects

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External Objects Limits

• At max 100 external objects can be defined per org

• External objects are read-only

• Note, attachments, workflows, apex sharing rules, approval process, record level security, field level security, triggers etc. are not supported

• Formula field cannot reference External objects

• Auto number, encrypted field, Text area, Formula, geolocation, master-detailed etc. fieldtypes are not supported

More info here

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External Objects lookup fields

• Mainly two type of external lookup relationship• External lookup relationship - An external lookup relationship links

a child standard, custom, or external object to a parent external object

• Indirect lookup relationships - An indirect lookup relationship links a child external object to a parent standard or custom object.

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—03Lightning Connect Demo

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Thank You—

Bring IT to Life.™

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Bring IT to Life

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• OData – http://odata.org• OData URI conventions - http://www.odata.org/documentation/odata-

version-2-0/uri-conventions• Slides referred - http://www.slideshare.net/metadaddy/odata-a-standard-api-

for-data-access , http://www.slideshare.net/developerforce/df13-using-external-objects-for-integration-mt

• Tutorial - http://developerforce.github.io/lightning-connect-tutorial/index.html

References:

18 April 2015 Twitter: @Prasanna__d20