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Apache Apex

Malhar Contribution Guidelines

Malhar library predominantly contains different kinds of operators like connectors to messaging systems, databases, key-value and document stores, block i/o operators like various file system operators, analytic and algorithmic operators and other miscellaneous operators. It also provides other components to build applications such as partitioners, stats listeners, stream codecs and state management. This document outlines the general steps for making contributions to Malhar. Even though the processes described in the rest of the document refer to Operators in particular, they also generally apply to other application components mentioned above.


Preparation for making changes

If after performing the above analysis, there is a need to write a new operator or update an existing one, follow these steps

Implementing an operator