Skip to content

Instantly share code, notes, and snippets.

@martint

martint/Main.java

Created September 10, 2014 17:09
Show Gist options

  • Select an option

    Learn more about clone URLs
  • Save martint/134ae742c980d56cf774 to your computer and use it in GitHub Desktop.

Select an option

Learn more about clone URLs
Save martint/134ae742c980d56cf774 to your computer and use it in GitHub Desktop.
Download ZIP

Revisions

  1. martint created this gist Sep 10, 2014.
    89 changes: 89 additions & 0 deletions Main.java
    View file
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,89 @@
    /*
    * Licensed under the Apache License, Version 2.0 (the "License");
    * you may not use this file except in compliance with the License.
    * You may obtain a copy of the License at
    *
    * http://www.apache.org/licenses/LICENSE-2.0
    *
    * Unless required by applicable law or agreed to in writing, software
    * distributed under the License is distributed on an "AS IS" BASIS,
    * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    * See the License for the specific language governing permissions and
    * limitations under the License.
    */
    package com.facebook.presto;

    import com.google.inject.Binder;
    import com.google.inject.Guice;
    import com.google.inject.Injector;
    import com.google.inject.Module;
    import com.google.inject.Scopes;
    import com.google.inject.multibindings.MapBinder;
    import org.weakref.jmx.guice.ExportBinder;

    import javax.inject.Inject;

    import java.util.Arrays;
    import java.util.Map;

    public class Main
    {
    public static void main(String[] args)
    {
    Injector injector = Guice.createInjector(new Module()
    {
    @Override
    public void configure(Binder binder)
    {
    ExportBinder exportBinder = ExportBinder.newExporter(binder);

    MapBinder<String, Stats> mapBinder = MapBinder.newMapBinder(binder, String.class, Stats.class);

    int i = 0;
    for (Class<? extends Stats> clazz : Arrays.asList(Stats1.class, Stats2.class, Stats3.class)) {
    binder.bind(clazz).in(Scopes.SINGLETON);
    mapBinder.addBinding("stats" + i).to(Stats1.class);
    exportBinder.export(clazz).withGeneratedName();
    i++;
    }

    binder.bind(Updater1.class).in(Scopes.SINGLETON);
    binder.bind(Updater2.class).in(Scopes.SINGLETON);

    binder.bind(Reporter.class).in(Scopes.SINGLETON);
    }
    });

    Reporter reporter = injector.getInstance(Reporter.class);
    }


    public static interface Stats
    {
    }

    public static class Stats1 implements Stats {}
    public static class Stats2 implements Stats {}
    public static class Stats3 implements Stats {}

    public static class Updater1
    {
    @Inject
    public Updater1(Stats1 stats) {}
    }

    public static class Updater2
    {
    @Inject
    public Updater2(Stats2 stats2, Stats3 stats3) {}
    }

    public static class Reporter
    {
    @Inject
    public Reporter(Map<String, Stats> stats)
    {
    System.out.println(stats);
    }
    }
    }