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This is the parent module for all components of the Djenni framework - a test data generation framework that sets out to introduce better practices in test data management and generation. The core goals are: - to reduce the amount of time developers and testers spend manually crafting data - to make tests clearer by only focusing on the key data elements - to make tests even more complete by fuzzing data elements that are not deemed key to the test - to better support later test phases by helping developers to provide data generators suitable for large scale data generation in a thread safe / multi-threadable manner.

LaukvikCSV is a powerful API for reading, writing and querying tabular data stored in the CSV format. In contrast to other API it lets you specify data types for each column using meta data. It automatically detects delimiters so you don't have to worry about delimiters being comma, tab, pipe, semicolon etc. Run powerful queries to filter your data easily with a fluid query language thats type safe. Export your tabular data to CSV, JSON, XML and HTML.

TrueZIP is a Java based virtual file system (VFS) which enables client applications to perform CRUD (Create, Read, Update, Delete) operations on archive files as if they were virtual directories, even with nested archive files in multithreaded environments. As a library, TrueZIP provides simple, uniform, transparent, thread-safe, read/write access to archive files as if they were virtual directories in a file system path. As a framework, TrueZIP provides the interfaces and classes to write file system drivers which plug-in to its federated file system space.

Stepping is a framework designed to ease the implementation of data processing solutions. In use cases where we need to implement data or data-streaming algorithms or any other processing on data, we need to first handle many different infrastructure issues. For example, we need to decide how to split the data processing logic into different steps, think about our threading policy, how to handle communication between the different steps, error handling etc. One of the most important subjects is the Threading Policy of our solution. For example, we need to think how many threads to open, have the option to distribute the processing of data to multiple 'executors' in parallel, have a thread-safe communication layer between the threads etc. On top of that we also care a lot about the performance of our solution, we want to make sure that the latency added by these infrastructures is minimal as possible. Stepping aims to handle many of these aspects so developers can spend their time on the business logic instead of solving these infrastructure and data flow issues issues over and over again.

The Java Algebra System (JAS) is an object oriented, type safe and multi-threaded approach to computer algebra. JAS provides a well designed software library using generic types for algebraic computations implemented in the Java programming language using the JVM runtime infrastructure. The library can be used as any other Java software package or it can be used interactively or interpreted through a jython (Java Python) or jruby (Java Ruby) front end, there is also an Android App based on Ruboto (jruby for Android). The focus of JAS is at the moment on commutative, solvable and non-commutative polynomials, power series, Groebner bases, factorization, real and complex roots and applications. By the use of Java as implementation language JAS is 64-bit and multi-core CPU ready and can make use of mutiple CPUs where available. JAS can run on a wide variety of devices ranging from Android to compute clusters (using MPJ a Java Message Passing Interface (MPI) or OpenMPI).

This project is a collection of miscellaneous tools shared by a number of projects of the same author. There are **simple tuples** to use with Java Streams, **type-safe maps** ([inspired by the heterogeneous map pattern](https://www.informit.com/articles/article.aspx?p=2861454&seqNum=8)) described in Effective Java by Joshua Bloch, a **finder** that handles in a smart way queries to data sources, a facility to use the **DCI (Data, Context and Interactions) architectural pattern**, a simple **message bus** suitable for using the pub-sub pattern inside an application, some **test utilities**, an **experimental actor framework** and a few other small things. Yes, the project name is a tribute to the [jazz standard with the same name](https://en.wikipedia.org/wiki/These_Foolish_Things_(Remind_Me_of_You)) by Maschwitz and Strachey.