TestListener.java

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package com.griddynamics.jagger.engine.e1.collector.test;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public abstract class TestListener {

    public void onStart(TestInfo testInfo){
    }

    public void onStop(TestInfo testInfo){
    }

    public void onRun(TestInfo status){
    }

    public static class Composer extends TestListener {
        private static Logger log = LoggerFactory.getLogger(Composer.class);

        private Iterable<TestListener> listeners;

        public Composer(Iterable<TestListener> listeners) {
            this.listeners = listeners;
        }

        public static TestListener compose(Iterable<TestListener> collectors){
            return new Composer(collectors);
        }

        @Override
        public void onStart(TestInfo testInfo) {
            for (TestListener listener : listeners){
                try{
                    listener.onStart(testInfo);
                }catch (RuntimeException ex){
                    log.error("Failed to call on start in {} test-listener", listener.toString(), ex);
                }
            }
        }

        @Override
        public void onStop(TestInfo testInfo) {
            for (TestListener listener : listeners){
                try{
                    listener.onStop(testInfo);
                }catch (RuntimeException ex){
                    log.error("Failed to call on stop in {} test-listener", listener.toString(), ex);
                }
            }
        }

        @Override
        public void onRun(TestInfo testInfo) {
            for (TestListener listener : listeners){
                try{
                    listener.onRun(testInfo);
                }catch (RuntimeException ex){
                    log.error("Failed to call on run in {} test-listener", listener.toString(), ex);
                }
            }
        }
    }
}