Thursday, March 6, 2014

Querydsl

Querydsl is a framework which enables the construction of type-safe SQL-like queries for multiple backends including JPA, MongoDB and SQL in Java.
Example for JPA:
List result = query.from(customer)
    .where(customer.lastName.like("A%"), customer.active.eq(true))
    .orderBy(customer.lastName.asc(), customer.firstName.desc())
    .list(customer);    
Compared to the alternatives Querydsl is more compact, safer and easier to learn. Try it today!
Introduction video:
Instead of writing queries as inline strings or externalizing them into XML files they are constructed via a fluent API.
  • Code completion in IDE (all properties, methods and operations can be expanded in your favorite Java IDE)
  • Almost no syntactically invalid queries allowed (type-safe on all levels)
  • Domain types and properties can be referenced safely (no Strings involved!)
  • Adopts better to refactoring changes in domain types
  • Incremental query definition is easier
Since 2.3.0 Querydsl is released under the Apache License, version 2.0.
Releases before 2.3.0 are licensed under the LGPL 2.1 license.

Get started

The following blog posts show Querydsl usage examples and will help you to get started. Reading relevant sections of the latest Reference Documentation will help you as well.

8 comments:

oakleyses said...

louis vuitton handbags, oakley sunglasses, louboutin, longchamp outlet, nike shoes, louis vuitton outlet stores, chanel handbags, burberry outlet, prada outlet, jordan shoes, tiffany and co, michael kors outlet, tory burch outlet, louis vuitton outlet, longchamp handbags, nike free, true religion jeans, michael kors outlet, kate spade outlet, polo ralph lauren outlet, tiffany and co, prada handbags, polo ralph lauren outlet, michael kors outlet, michael kors outlet, longchamp handbags, oakley sunglasses, ray ban sunglasses, kate spade handbags, burberry outlet, louis vuitton outlet, louboutin outlet, louboutin, coach factory outlet, air max, air max, coach outlet, gucci outlet, christian louboutin shoes, michael kors outlet, coach purses, ray ban sunglasses, michael kors outlet, louis vuitton, coach outlet store online, true religion jeans, oakley sunglasses cheap

oakleyses said...

ralph lauren, lululemon, air max, hollister, north face, nike air max, polo lacoste, vanessa bruno, timberland, vans pas cher, louboutin, louis vuitton, oakley pas cher, air max pas cher, nike roshe run, air max, true religion outlet, barbour, sac longchamp, air force, hollister, sac louis vuitton, nike free, polo ralph lauren, nike trainers, louis vuitton uk, nike roshe, sac hermes, longchamp, michael kors, sac burberry, sac guess, mulberry, new balance pas cher, converse pas cher, sac louis vuitton, hogan outlet, nike tn, north face, true religion outlet, ray ban pas cher, michael kors, air jordan, nike blazer, nike free pas cher, michael kors pas cher, abercrombie and fitch, ray ban sunglasses

oakleyses said...

mac cosmetics, mont blanc, marc jacobs, canada goose outlet, nike huarache, vans shoes, soccer jerseys, hollister, giuseppe zanotti, beats by dre, abercrombie and fitch, longchamp, insanity workout, celine handbags, bottega veneta, ghd, nfl jerseys, north face outlet, chi flat iron, ugg boots, birkin bag, ugg australia, canada goose, herve leger, ugg pas cher, rolex watches, valentino shoes, canada goose uk, canada goose, ferragamo shoes, canada goose, ugg boots, uggs outlet, north face jackets, soccer shoes, asics running shoes, new balance shoes, p90x, lululemon outlet, canada goose jackets, mcm handbags, instyler, babyliss pro, ugg, wedding dresses, jimmy choo outlet, reebok outlet, nike roshe run

oakleyses said...

parajumpers, karen millen, air max, converse, pandora charms, moncler, louboutin, moncler, links of london, lancel, juicy couture outlet, oakley, hollister, pandora charms, supra shoes, thomas sabo, canada goose, gucci, wedding dresses, timberland boots, swarovski crystal, air max, coach outlet store online, moncler, ray ban, canada goose, moncler, ugg, louis vuitton, swarovski, hollister, montre homme, moncler, hollister clothing store, ralph lauren, rolex watches, moncler outlet, moncler, iphone 6 cases, baseball bats, juicy couture outlet, toms shoes, vans, pandora jewelry, ugg, converse shoes

oakleyses said...

jordan pas cher, chanel handbags, nike outlet, michael kors pas cher, kate spade outlet, replica watches, longchamp pas cher, nike free, jordan shoes, christian louboutin shoes, nike free run, louis vuitton outlet, oakley sunglasses, ray ban sunglasses, polo ralph lauren, ugg boots, christian louboutin uk, air max, louis vuitton outlet, ugg boots, tiffany jewelry, polo ralph lauren outlet online, burberry pas cher, prada outlet, nike air max, gucci handbags, sac longchamp pas cher, ray ban sunglasses, louboutin pas cher, louis vuitton, uggs on sale, tiffany and co, oakley sunglasses, louis vuitton outlet, ray ban sunglasses, longchamp outlet, louis vuitton, longchamp outlet, replica watches, nike roshe, polo outlet, oakley sunglasses, cheap oakley sunglasses, oakley sunglasses wholesale, christian louboutin, christian louboutin outlet, tory burch outlet

oakleyses said...

lululemon canada, nike air max, burberry outlet, oakley pas cher, burberry handbags, coach outlet store online, kate spade, michael kors outlet, michael kors, nike air force, true religion jeans, true religion outlet, michael kors, polo lacoste, nike tn, new balance, abercrombie and fitch uk, michael kors outlet, uggs outlet, michael kors outlet, ralph lauren uk, michael kors outlet online, replica handbags, coach outlet, true religion outlet, coach purses, nike free uk, sac vanessa bruno, mulberry uk, michael kors outlet online, michael kors outlet online, michael kors outlet online, north face, uggs outlet, converse pas cher, hogan outlet, nike air max uk, hollister pas cher, sac hermes, nike roshe run uk, hollister uk, nike air max uk, true religion outlet, timberland pas cher, vans pas cher, ray ban pas cher, guess pas cher, ray ban uk

oakleyses said...

ipad cases, beats by dre, iphone 6 cases, ferragamo shoes, wedding dresses, hollister clothing, p90x workout, instyler, asics running shoes, nike huaraches, hermes belt, north face outlet, s6 case, babyliss, nfl jerseys, hollister, iphone 6 plus cases, insanity workout, ralph lauren, iphone cases, iphone 6s plus cases, bottega veneta, new balance shoes, longchamp uk, iphone 6s cases, giuseppe zanotti outlet, nike roshe run, mont blanc pens, herve leger, oakley, lululemon, timberland boots, nike air max, iphone 5s cases, ghd hair, valentino shoes, louboutin, nike trainers uk, celine handbags, north face outlet, baseball bats, vans outlet, abercrombie and fitch, chi flat iron, soccer jerseys, mac cosmetics, mcm handbags, soccer shoes, jimmy choo outlet, reebok outlet

oakleyses said...

supra shoes, marc jacobs, canada goose, converse outlet, toms shoes, ugg uk, ugg pas cher, canada goose outlet, canada goose, nike air max, louis vuitton, karen millen uk, doudoune moncler, converse, louis vuitton, vans, gucci, montre pas cher, moncler outlet, canada goose uk, canada goose outlet, moncler, pandora jewelry, barbour uk, moncler outlet, juicy couture outlet, louis vuitton, canada goose, pandora uk, coach outlet, swarovski crystal, ugg,uggs,uggs canada, juicy couture outlet, links of london, louis vuitton, louis vuitton, hollister, swarovski, canada goose outlet, ray ban, moncler, ugg, barbour, ugg,ugg australia,ugg italia, replica watches, pandora charms, moncler uk, pandora jewelry, wedding dresses, canada goose jackets, hollister, lancel