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Transfer 101

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ColdFusion / Flex / AS3 / HTML / JS / CSS / Groovy & Grails. Cleveland ColdFusion User Group Co ... Cleveland OH / Sports Fan / Running / Weight Lifting / Poker ... – PowerPoint PPT presentation

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Title: Transfer 101


1
Transfer 101
  • Dan Vega

2
About Me
  • Programmer
  • ColdFusion / Flex / AS3 / HTML / JS / CSS /
    Groovy Grails
  • Cleveland ColdFusion User Group Co Manager
  • Active ColdFusion Community Member (Love
    Teaching)
  • Open Source Developer
  • CFMU (ColdFusion Multi Uploader)
  • RocketFM (ColdFusion Flex File Manager)
  • cfPayflowPro (Payflow Pro API for ColdFusion)
  • cfPanel creator along with Todd Sharp
  • Cleveland OH / Sports Fan / Running / Weight
    Lifting / Poker
  • STERIS Web Developer (www.steris.com)
  • Blogger www.danvega.org

3
Transfer 101 Agenda
  • What is an ORM and why does it exist
  • What is Transfer
  • Installing Transfer
  • CRUD
  • e-commerce application demo
  • Relationships
  • Decorators
  • QA Feel free to ask questions whenever

4
What Problems does an ORM solve
  • When creating systems that are comprised of
    objects there are many repetitive tasks that have
    to be done on a per object basis
  • Value Objects (beans) getters / setters
  • Writing CRUD (Create/Read/Update/Delete)
  • Handling Relationships
  • Populating objects with database queries
  • Populating SQL with data from your objects

5
What is Transfer
  • An ORM (Object Relational Mapping) Library for
    ColdFusion
  • Transfer ORM's main focus is to automate the
    repetitive tasks of creating the SQL and custom
    CFCs that are often required when developing a
    ColdFusion application.
  • Through a central configuration file Transfer
    knows how to generate objects, and how to manage
    them and their relationships back to the database
  • Created by Mark Mandel

6
What it is not
  • Hibernate / ColdFusion 9 ORM
  • The end of SQL
  • A code generator
  • ORM Frameworks
  • Reactor
  • CFWheels

7
Supported Systems
  • CFML Engines
  • Adobe ColdFusion MX 7
  • Railo 3.0
  • OpenBD 1.0 ?
  • Database Servers (What no Access?)
  • MS SQL Server 2000
  • MySQL 4.1
  • PostGres 8.1
  • Oracle 9i

8
Installing Transfer
  • Download the zip
  • http//transfer-orm.com/
  • http//transfer.riaforge.org
  • Setup a mapping
  • Per application mappings in ColdFusion 8 rock!
  • Drop it in your web root
  • Configuration
  • Datasource.xml / Transfer.xml / definitions
  • Create Transfer factory Transfer Instance

9
Installation Demo
10
CRUD - Create
  • transfer.new(object)
  • Returns a transfer.com.transferObject
  • getters / setters for properties
  • meta methods
  • Object helper methods
  • Events
  • debug getPropertyMemento() (struct)
  • demo

11
CRUD - Save
  • transfer.save(object)
  • Update existing
  • Create new
  • demo

12
CRUD - Read
  • transfer.get(object,id)
  • transfer.readByProperty(object,prop,val)
  • transfer.readByPropertyMap(object,map)
  • transfer.readByQuery(object,query)

13
CRUD - Delete
  • transfer.delete(object)
  • transfer.cascadeDelete(object)
  • demo

14
Retrieving Query Lists
  • Transfer.list(class, orderProperty, orderASC,
    useAliases)
  • Transfer.listByProperty(class, property, value,
    orderProperty, orderASC, useAliases)
  • Transfer.listByPropertyMap(class, propertyMap,
    orderProperty, orderASC, useAliases)
  • Transfer.listByQuery(query)

15
Demo
16
Managing Relationships Compositions
  • Relationship types
  • One to many
  • Many to One
  • Many to Many
  • Collections
  • Struct
  • Array

17
Demo
18
Transfer Decorators
  • A decorator is used when you wish to write your
    own CFC to be used to represent data, in place of
    the Transfer generated Object.
  • Wraps and extends the transfer object
  • Must extend transfer.com.TransferDecorator
  • Decorator attribute on the object element in the
    transfer.xml configuration

19
Demo
20
Transfer 201
  • Decorators
  • Cache
  • Object Proxies
  • Events
  • Transfer Flex
  • Validation
  • ValidateThis - http//validatethis.riaforge.org
  • Frameworks based on transfer
  • Metro - http//metro.riaforge.org/

21
Resources
  • http//www.transfer-orm.com/
  • http//docs.transfer-orm.com/
  • http//groups.google.com/group/transfer-dev
  • http//www.compoundtheory.com/
  • Email danvega_at_gmail.com
  • Blog www.danvega.org
  • Twitter - _at_cfaddict

22
QA
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