io.druid.query.aggregation.histogram.ApproximateHistogramDruidModule Maven / Gradle / Ivy
/*
* 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.query.aggregation.histogram;
import com.fasterxml.jackson.databind.Module;
import com.fasterxml.jackson.databind.module.SimpleModule;
import com.google.common.collect.ImmutableList;
import com.google.inject.Binder;
import io.druid.initialization.DruidModule;
import io.druid.segment.serde.ComplexMetrics;
import java.util.List;
/**
*/
public class ApproximateHistogramDruidModule implements DruidModule
{
@Override
public List getJacksonModules()
{
return ImmutableList.of(
new SimpleModule().registerSubtypes(
ApproximateHistogramFoldingAggregatorFactory.class,
ApproximateHistogramAggregatorFactory.class,
EqualBucketsPostAggregator.class,
CustomBucketsPostAggregator.class,
BucketsPostAggregator.class,
QuantilesPostAggregator.class,
QuantilePostAggregator.class,
MinPostAggregator.class,
MaxPostAggregator.class
)
);
}
@Override
public void configure(Binder binder)
{
if (ComplexMetrics.getSerdeForType("approximateHistogram") == null) {
ComplexMetrics.registerSerde("approximateHistogram", new ApproximateHistogramFoldingSerde());
}
}
}