io.druid.extension.lucene.LuceneDruidModule.java Source code

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/*
 * Licensed to Metamarkets Group Inc. (Metamarkets) under one
 * or more contributor license agreements. See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership. Metamarkets 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 io.druid.extension.lucene;

import com.fasterxml.jackson.databind.Module;
import com.fasterxml.jackson.databind.jsontype.NamedType;
import com.fasterxml.jackson.databind.module.SimpleModule;
import com.google.common.collect.ImmutableList;
import com.google.inject.Binder;

import io.druid.guice.DruidBinders;
import io.druid.guice.LazySingleton;
import io.druid.initialization.DruidModule;
import io.druid.segment.realtime.appenderator.AppenderatorPlumberSchool;

import java.util.List;

public class LuceneDruidModule implements DruidModule {
    @Override
    public List<? extends Module> getJacksonModules() {
        return ImmutableList.of(new SimpleModule(LuceneDruidModule.class.getSimpleName()).registerSubtypes(
                new NamedType(AppenderatorPlumberSchool.class, "appenderator"),
                new NamedType(LuceneDruidQuery.class, "lucene")));
    }

    @Override
    public void configure(Binder binder) {
        DruidBinders.queryRunnerFactoryBinder(binder).addBinding(LuceneDruidQuery.class)
                .to(LuceneQueryRunnerFactory.class);
        DruidBinders.queryToolChestBinder(binder).addBinding(LuceneDruidQuery.class).to(LuceneQueryToolChest.class);

        binder.bind(LuceneQueryRunnerFactory.class).in(LazySingleton.class);
        binder.bind(LuceneQueryToolChest.class).in(LazySingleton.class);
    }
}