server/src/main/java/org/apache/druid/guice/ServerModule.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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 org.apache.druid.guice;

import com.google.inject.Binder;
import com.google.inject.Module;
import com.google.inject.Provides;
import org.apache.druid.guice.annotations.Self;
import org.apache.druid.java.util.common.concurrent.ScheduledExecutorFactory;
import org.apache.druid.java.util.common.concurrent.ScheduledExecutors;
import org.apache.druid.java.util.common.lifecycle.Lifecycle;
import org.apache.druid.server.DruidNode;
import org.apache.druid.server.initialization.ZkPathsConfig;

/**
 */
public class ServerModule implements Module
{
  public static final String ZK_PATHS_PROPERTY_BASE = "druid.zk.paths";

  @Override
  public void configure(Binder binder)
  {
    JsonConfigProvider.bind(binder, ZK_PATHS_PROPERTY_BASE, ZkPathsConfig.class);
    JsonConfigProvider.bind(binder, "druid", DruidNode.class, Self.class);
  }

  @Provides @LazySingleton
  public ScheduledExecutorFactory getScheduledExecutorFactory(Lifecycle lifecycle)
  {
    return ScheduledExecutors.createFactory(lifecycle);
  }
}