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EVOLVE'16 | Deploy | Abhishek Dwevedi | Overview of the Core AEM Technology

In this session attendees will learn about key features in Backend Development processes involving services development on AEM

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EVOLVE'16 | Deploy | Abhishek Dwevedi | Overview of the Core AEM Technology

  1. 1. #evolverocks Overview of the core AEM technology ABHISHEK DWEVEDI August 31st, 2016
  2. 2. #evolverocks 2 Overview of the core AEM technology 1. Adobe Experience Manager Capabilities 2. Architecture Stack 3. Jackrabbit Oak 4. Java Content Repository 5. Apache Sling 6. OSGi
  3. 3. #evolverocks 3 AEM Modules and Capabilities
  4. 4. #evolverocks 4 The Architecture Stack Java Content Repository (JCR) Apache Sling Adobe Experience Manager OSGi
  5. 5. #evolverocks 5 Jackrabbit Oak Jackrabbit Oak is an effort to implement a scalable and efficient hierarchical content repository for use as the foundation of modern world-class websites and other demanding content applications.
  6. 6. #evolverocks 6 Goals : Jackrabbit Oak • Scalability • Big repositories • Distributed repository with many cluster nodes • Improved write throughput • Parallel writes • Support for many child nodes • Support for manyAccess Control Lists (ACLs) • Implement standards like JCR,WebDAV, and CMIS. • Easily accessible from various platforms, especially from JavaScript clients running in modern browser environments. • More out-of-the-box functionality than typical NoSQL databases
  7. 7. #evolverocks 7 Oak Architecture (Hamburger Architecture) The burger’s top bun: Oak JCR • Implements the JCR API • Now implemented for JCR - Non-Java implementations possible and part of the concept The burger’s patty: Oak Core • Where most of the heavy lifting takes place • Adds to the MK’s tree model (ACLs, search, and indexing) • Observation • Exposes a decorated tree model • Mostly transforms JCR semantics into tree operations • Also contains ‘commit hooks’ that implement JCR constraints, for example, node types The burger’s bottom bun: Microkernel • Implements a tree model (nodes and properties) • Exposes the MicrokernelAPI
  8. 8. #evolverocks 8 Introduction to the Java Content Repository • JCR is a database that looks like a file system.  It is unstructured, and enables versioning and observation.  It provides services such as full-text search, indexing, access control, and event monitoring. • The Adobe implementation of JSR- 283 is the Content Repository eXtreme (CRX)
  9. 9. #evolverocks 9 Introduction to Apache Sling • Key principles:  Web application framework  Content-oriented (JCR-based) application development  RESTful • Sling is resource-oriented, where every resource has a URL. • Processing of a request is done by  Checking whether the URL resolves to a content object (resource) for which a script can be found to render the content  Mapping a JCR node to the resource
  10. 10. #evolverocks 11 OSGi What is OSGi?  A set of specifications that define a dynamic component system for Java  Specifications enable:  A development model where applications are (dynamically) composed of many different (reusable) components  components to hide their implementations from other components while communicating through services, which are objects specifically shared between components  A collaborative software environment  The application emerges from assembling multiple reusable modules that have no previous knowledge of each other.
  11. 11. #evolverocks 12 OSGi Bundles  Packaged as JAR files  With extra metadata - the manifest  OSGi bundles can contain:  Java code  scripts  content  configuration  other files  Bundles can be loaded and installed during normal operations.  Installation in the CQ5 environment through:  folders named install  theWeb Console
  12. 12. #evolverocks THANK YOU!

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  • thumpstar

    Jan. 19, 2017

In this session attendees will learn about key features in Backend Development processes involving services development on AEM

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