GCF Primer

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  1. Tutorial Overview
    1. Ground rules: preparing the environment
    2. Installing gCore
  2. From configuration to testing with a single Port-Type
    1. Structuring the service code
    2. Delving into the implementation
    3. Building & Deploying
    4. gCore Logging & Restart
    5. A Test Client
    6. Refining the implementation
  3. Adding State
    1. Multi Port-Type service
    2. Basic steps
    3. Implementation
    4. Configuring JNDIs & Descriptors
    5. Building & Deploying
    6. A Test Client

tutorial overview

This tutorial intends to present gCore and its related software required to design, build, and deploy software that can be effectively used to build complex applications. It takes an incremental approach to illustrate all the steps of the service development cycle in relation to a first Port-Type. For simplicity, it assumes the Port-Type to be stateless. Then it introduces the assumption of state, when by enriching the sample service with additional Port-Types.

who should use this tutorial

gCore Tutorial is dedicated to developers that have an average knowledge of [U/Li]nix and Java, and some experience with Web Service concepts, terminology, and procedures.

Ground rules: preparing the environment

  • Exclusively a Java & [U/Li]nix environment
    • 1.5.0_08+
    • OS requirements as per underlying Globus
  • Typically, a Shell + IDE environment
    • IDE for code configuration & authoring
    • Shell for code building & deployment
    • Require both installation & configuration

Installing gCore

  • through SVN checkout
https://svn.research-infrastructures.eu/gcore/gcore/trunk/GCORE/CONTAINER
  • with Etics downloads, Module: org.gcore.gcontainer, for gCube developers
https://grids16.eng.it/BuildReport/
  • through command line or IDE plugin alike, e.g. Subversion for Eclipse into a folder of choice (the gCore location)

The official vehicle for notifications is the gCORE Technical Committee mailing list, gCore_TC.

gContainer at a glance

GCore001.png

Dealing with Globus

GCore002.png

GHN Passport

GCore003.png