nwangtw opened a new issue #3356: Add loadConfigFromYaml() in TopologyBuilder URL: https://github.com/apache/incubator-heron/issues/3356 The function loadConfigFromYaml() is responsible for loading topology and component configs from a yaml file. TopologyBuilder should maintain an internal config object for topology configs. Component configs should be set to component declarers by declarer.addComponentConfig() - The function should be called after DAG is constructed (setSpout, setBolt, etc). - HeronSubmitter should be responsible for merging the hardcoded configurations and the loaded configurations. - The configurations in the yaml file should overwrite the hardcoded configurations. An example is required. Unit tests are required.
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