io.druid.metadata.storage.mysql.MySQLMetadataStorageModule Maven / Gradle / Ivy

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/*
 * Druid - a distributed column store.
 * Copyright 2012 - 2015 Metamarkets Group 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 io.druid.metadata.storage.mysql;

import com.google.common.collect.ImmutableList;
import com.google.inject.Binder;
import com.google.inject.Key;
import io.druid.guice.LazySingleton;
import io.druid.guice.PolyBind;
import io.druid.guice.SQLMetadataStorageDruidModule;
import io.druid.initialization.DruidModule;
import io.druid.metadata.MetadataStorageConnector;
import io.druid.metadata.SQLMetadataConnector;

import java.util.List;

public class MySQLMetadataStorageModule extends SQLMetadataStorageDruidModule implements DruidModule
{
  public static final String TYPE = "mysql";

  public MySQLMetadataStorageModule()
  {
    super(TYPE);
  }

  @Override
  public List getJacksonModules()
  {
    return ImmutableList.of();
  }

  @Override
  public void configure(Binder binder)
  {
    super.configure(binder);

    PolyBind.optionBinder(binder, Key.get(MetadataStorageConnector.class))
            .addBinding(TYPE)
            .to(MySQLConnector.class)
            .in(LazySingleton.class);

    PolyBind.optionBinder(binder, Key.get(SQLMetadataConnector.class))
            .addBinding(TYPE)
            .to(MySQLConnector.class)
            .in(LazySingleton.class);
  }
}