io.druid.storage.cassandra.CassandraDruidModule Maven / Gradle / Ivy
/*
* 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.storage.cassandra;
import com.fasterxml.jackson.core.Version;
import com.google.common.collect.ImmutableList;
import com.google.inject.Binder;
import com.google.inject.Key;
import io.druid.guice.Binders;
import io.druid.guice.JsonConfigProvider;
import io.druid.guice.LazySingleton;
import io.druid.guice.PolyBind;
import io.druid.initialization.DruidModule;
import io.druid.segment.loading.DataSegmentPusher;
import java.util.List;
/**
*/
public class CassandraDruidModule implements DruidModule
{
public static final String SCHEME = "c*";
@Override
public void configure(Binder binder)
{
Binders.dataSegmentPullerBinder(binder)
.addBinding(SCHEME)
.to(CassandraDataSegmentPuller.class)
.in(LazySingleton.class);
PolyBind.optionBinder(binder, Key.get(DataSegmentPusher.class))
.addBinding(SCHEME)
.to(CassandraDataSegmentPusher.class)
.in(LazySingleton.class);
JsonConfigProvider.bind(binder, "druid.storage", CassandraDataSegmentConfig.class);
}
@Override
public List getJacksonModules()
{
return ImmutableList.of(
new com.fasterxml.jackson.databind.Module()
{
@Override
public String getModuleName()
{
return "DruidCassandraStorage-" + System.identityHashCode(this);
}
@Override
public Version version()
{
return Version.unknownVersion();
}
@Override
public void setupModule(SetupContext context)
{
context.registerSubtypes(CassandraLoadSpec.class);
}
}
);
}
}