/*
 * Copyright © 2014 Cask Data, Inc.
 *
 * 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 co.cask.cdap.metrics.guice;

import co.cask.cdap.common.metrics.MetricsCollectionService;
import co.cask.cdap.common.runtime.RuntimeModule;
import co.cask.cdap.metrics.collect.AggregatedMetricsCollectionService;
import co.cask.cdap.metrics.collect.LocalMetricsCollectionService;
import co.cask.cdap.metrics.collect.MapReduceCounterCollectionService;
import co.cask.cdap.metrics.store.DefaultMetricDatasetFactory;
import co.cask.cdap.metrics.store.MetricDatasetFactory;
import co.cask.cdap.metrics.transport.MetricValue;
import com.google.inject.AbstractModule;
import com.google.inject.Module;
import com.google.inject.PrivateModule;
import com.google.inject.Scopes;
import org.apache.hadoop.mapreduce.TaskAttemptContext;

import java.util.Iterator;

/**
 *
 */
public final class MetricsClientRuntimeModule extends RuntimeModule {

  @Override
  public Module getInMemoryModules() {
    return new PrivateModule() {
      @Override
      protected void configure() {
        bind(MetricDatasetFactory.class).to(DefaultMetricDatasetFactory.class).in(Scopes.SINGLETON);
        bind(MetricsCollectionService.class).to(LocalMetricsCollectionService.class).in(Scopes.SINGLETON);
        expose(MetricsCollectionService.class);
      }
    };
  }

  @Override
  public Module getStandaloneModules() {
    return new PrivateModule() {
      @Override
      protected void configure() {
        bind(MetricDatasetFactory.class).to(DefaultMetricDatasetFactory.class).in(Scopes.SINGLETON);
        bind(MetricsCollectionService.class).to(LocalMetricsCollectionService.class).in(Scopes.SINGLETON);
        expose(MetricsCollectionService.class);
      }
    };
  }

  @Override
  public Module getDistributedModules() {
    return new DistributedMetricsClientModule();
  }

  public Module getMapReduceModules(final TaskAttemptContext taskContext) {
    return new PrivateModule() {
      @Override
      protected void configure() {
        bind(TaskAttemptContext.class).toInstance(taskContext);
        bind(MetricsCollectionService.class).to(MapReduceCounterCollectionService.class).in(Scopes.SINGLETON);
        expose(MetricsCollectionService.class);
      }
    };
  }

  /**
   * Returns a module that bind MetricsCollectionService to a noop one.
   */
  public Module getNoopModules() {
    return new AbstractModule() {
      @Override
      protected void configure() {
        bind(MetricsCollectionService.class).toInstance(new AggregatedMetricsCollectionService() {
          @Override
          protected void publish(Iterator<MetricValue> metrics) throws Exception {
            // No-op
          }
        });
      }
    };
  }
}

@@ -1045,36 +1045,137 @@
 s.store.
-MetricDatasetFactory
+DefaultMetricStore;%0Aimport co.cask.cdap.metrics.store.MetricDatasetFactory;%0Aimport co.cask.cdap.metrics.store.MetricStore
 ;%0Aimport
@@ -1760,32 +1760,94 @@
 pes.SINGLETON);%0A
+        bind(MetricStore.class).to(DefaultMetricStore.class);%0A
         bind(Met

fix in-memory metrics binding for tests