/*
* Druid - a distributed column store.
* Copyright (C) 2012, 2013 Metamarkets Group Inc.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
package io.druid.guice;
import com.google.common.base.Supplier;
import com.google.inject.Binder;
import com.google.inject.Module;
import com.google.inject.Provides;
import com.metamx.common.lifecycle.Lifecycle;
import io.druid.common.config.ConfigManager;
import io.druid.common.config.ConfigManagerConfig;
import io.druid.common.config.JacksonConfigManager;
import io.druid.metadata.MetadataStorageConnector;
import io.druid.metadata.MetadataStorageTablesConfig;
/**
*/
public class JacksonConfigManagerModule implements Module
{
@Override
public void configure(Binder binder)
{
JsonConfigProvider.bind(binder, "druid.manager.config", ConfigManagerConfig.class);
binder.bind(JacksonConfigManager.class).in(LazySingleton.class);
}
@Provides @ManageLifecycle
public ConfigManager getConfigManager(
final MetadataStorageConnector dbConnector,
final Supplier<MetadataStorageTablesConfig> dbTables,
final Supplier<ConfigManagerConfig> config,
final Lifecycle lifecycle
)
{
lifecycle.addHandler(
new Lifecycle.Handler()
{
@Override
public void start() throws Exception
{
dbConnector.createConfigTable();
}
@Override
public void stop()
{
}
}
);
return new ConfigManager(dbConnector, dbTables, config);
}
}