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Activator.java

package org.heater.test.service;

import com.google.inject.AbstractModule;
import com.google.inject.Inject;
import org.heater.api.HeaterActivator;

public class Activator implements HeaterActivator {
    @Inject TestImpl test;

    @Override
    public void start() {
        test.test(); //do something :)
    }

    @Override
    public void stop() {

    }

    @Override
    public AbstractModule pluginModule() {
        return new AbstractModule() {
            @Override
            protected void configure() {
                bind(TestService.class).to(TestImpl.class).asEagerSingleton();
            }
        };
    }
}