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Hermes

Build Status Documentation Status Maven Central

Hermes is an asynchronous message broker built on top of Kafka. We provide reliable, fault tolerant REST interface for message publishing and adaptive push mechanisms for message sending.

See our 10-minute getting started guide with Docker: Getting started

Visit our page: hermes.allegro.tech

See our full documentation: http://hermes-pubsub.readthedocs.org/en/latest/

If you have any question or idea regarding the project, please feel free to reach us out using GitHub discussions.

License

hermes is published under Apache License 2.0.

Development

Code formatting

For code formatting we use google-java-format. Following steps are required for optimal dev experience in IJ:

  1. Download google-java-format plugin
  2. Set custom VM options required for IJ plugin
  3. Go to Settings > google-java-format and click Enable google java-format (should be checked by default)
  4. Go to Settings > Tools > Actions on Save and enable Reformat code and Optimize imports for Java files

Each save should automatically trigger reformat.

If you want to debug the CLI check on macOS:

wget https://github.com/google/google-java-format/releases/download/v1.23.0/google-java-format_darwin-arm64
chmod a+x google-java-format_darwin-arm64
chmod a+x .github/scripts/check-google-java-format.sh
./.github/scripts/check-google-java-format.sh

or if you are on Linux:

wget https://github.com/google/google-java-format/releases/download/v1.23.0/google-java-format_linux-x86-64
chmod a+x google-java-format_linux-x86-64
chmod a+x .github/scripts/check-google-java-format.sh
./.github/scripts/check-google-java-format.sh

You can also run the following command to fix formatting for the whole project:

./.github/scripts/check-google-java-format.sh --fix