Querydsl

Querydsl is a framework which enables the construction of type-safe SQL-like queries for multiple backends including JPA, JDO and SQL in Java.

Instead of writing queries as inline strings or externalizing them into XML files they are constructed via a fluent API.

Getting started

Use these tutorials to get started

• JPA http://www.querydsl.com/static/querydsl/latest/reference/html/ch02.html#jpa_integration
• SQL http://www.querydsl.com/static/querydsl/latest/reference/html/ch02s03.html
• JDO http://www.querydsl.com/static/querydsl/latest/reference/html/ch02s02.html
• Mongodb http://www.querydsl.com/static/querydsl/latest/reference/html/ch02s06.html
• Lucene http://www.querydsl.com/static/querydsl/latest/reference/html/ch02s04.html
• Collections http://www.querydsl.com/static/querydsl/latest/reference/html/ch02s07.html

Support

Free support is provided in the Querydsl Google Group https://groups.google.com/forum/#!forum/querydsl

How to build

Querydsl provides releases via public Maven repositories, but you can build the sources also yourself like this

cd querydsl-root
mvn -Pjenkins,all -DskipTests=true clean install 

For more information visit the project homepage at http://www.querydsl.com/.