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DBTools Gen is a ORM Java class file generator and SQL Schema file generator library. DBTools Gen makes it easy to create databases schema files and create JPA ORM Mapping or Android ORM Mapping files.

Powerful (Zoom, Rotation, Multi-Source), customizable (Shape, Limits, Style), optimized (Async, Sampling, Matrix) and simple image cropping library for Android.

The idea behind the decorator pattern is to decouple responsibilities from the parent class into reusable components. Individual decorators can then be attached to otherwise empty parent classes to do a single job. This allows a simple java class to have multiple and dynamic inheritance. In order to make this pattern scalable with minimal boilerplate, an easy to use code-generation library was created to automate most of its creation.