Aggregations Refactor: Refactor Min Aggregation

This commit is contained in:
Colin Goodheart-Smithe 2015-07-06 10:23:44 +01:00
parent 5da1898f11
commit 4e008952b2
4 changed files with 96 additions and 12 deletions

View File

@ -19,9 +19,12 @@
package org.elasticsearch.search.aggregations.metrics.min;
import org.apache.lucene.index.LeafReaderContext;
import org.elasticsearch.common.io.stream.StreamInput;
import org.elasticsearch.common.io.stream.StreamOutput;
import org.elasticsearch.common.lease.Releasables;
import org.elasticsearch.common.util.BigArrays;
import org.elasticsearch.common.util.DoubleArray;
import org.elasticsearch.common.xcontent.XContentBuilder;
import org.elasticsearch.index.fielddata.NumericDoubleValues;
import org.elasticsearch.index.fielddata.SortedNumericDoubleValues;
import org.elasticsearch.search.MultiValueMode;
@ -32,9 +35,11 @@ import org.elasticsearch.search.aggregations.LeafBucketCollectorBase;
import org.elasticsearch.search.aggregations.metrics.NumericMetricsAggregator;
import org.elasticsearch.search.aggregations.pipeline.PipelineAggregator;
import org.elasticsearch.search.aggregations.support.AggregationContext;
import org.elasticsearch.search.aggregations.support.ValueType;
import org.elasticsearch.search.aggregations.support.ValuesSource;
import org.elasticsearch.search.aggregations.support.ValuesSource.Numeric;
import org.elasticsearch.search.aggregations.support.ValuesSourceAggregatorFactory;
import org.elasticsearch.search.aggregations.support.ValuesSourceParser;
import org.elasticsearch.search.aggregations.support.ValuesSourceType;
import org.elasticsearch.search.aggregations.support.format.ValueFormatter;
import java.io.IOException;
@ -115,8 +120,8 @@ public class MinAggregator extends NumericMetricsAggregator.SingleValue {
public static class Factory extends ValuesSourceAggregatorFactory.LeafOnly<ValuesSource.Numeric> {
public Factory(String name, ValuesSourceParser.Input<ValuesSource.Numeric> valuesSourceInput) {
super(name, InternalMin.TYPE.name(), valuesSourceInput);
public Factory(String name) {
super(name, InternalMin.TYPE.name(), ValuesSourceType.NUMERIC, ValueType.NUMERIC);
}
@Override
@ -131,6 +136,32 @@ public class MinAggregator extends NumericMetricsAggregator.SingleValue {
throws IOException {
return new MinAggregator(name, valuesSource, config.formatter(), aggregationContext, parent, pipelineAggregators, metaData);
}
@Override
protected ValuesSourceAggregatorFactory<Numeric> innerReadFrom(String name, ValuesSourceType valuesSourceType,
ValueType targetValueType, StreamInput in) {
return new MinAggregator.Factory(name);
}
@Override
protected void innerWriteTo(StreamOutput out) {
// Do nothing, no extra state to write to stream
}
@Override
public XContentBuilder doXContentBody(XContentBuilder builder, Params params) throws IOException {
return builder;
}
@Override
protected int innerHashCode() {
return 0;
}
@Override
protected boolean innerEquals(Object obj) {
return true;
}
}
@Override

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@ -18,28 +18,48 @@
*/
package org.elasticsearch.search.aggregations.metrics.min;
import org.elasticsearch.common.ParseField;
import org.elasticsearch.common.ParseFieldMatcher;
import org.elasticsearch.common.xcontent.XContentParser;
import org.elasticsearch.common.xcontent.XContentParser.Token;
import org.elasticsearch.search.aggregations.AggregatorFactory;
import org.elasticsearch.search.aggregations.metrics.NumericValuesSourceMetricsAggregatorParser;
import org.elasticsearch.search.aggregations.support.ValuesSource;
import org.elasticsearch.search.aggregations.support.ValuesSourceParser;
import org.elasticsearch.search.aggregations.support.AbstractValuesSourceParser.NumericValuesSourceParser;
import org.elasticsearch.search.aggregations.support.ValueType;
import org.elasticsearch.search.aggregations.support.ValuesSource.Numeric;
import org.elasticsearch.search.aggregations.support.ValuesSourceAggregatorFactory;
import org.elasticsearch.search.aggregations.support.ValuesSourceType;
import java.io.IOException;
import java.util.Map;
/**
*
*/
public class MinParser extends NumericValuesSourceMetricsAggregatorParser<InternalMin> {
public class MinParser extends NumericValuesSourceParser {
public MinParser() {
super(InternalMin.TYPE);
super(true, true, false);
}
@Override
protected AggregatorFactory createFactory(String aggregationName, ValuesSourceParser.Input<ValuesSource.Numeric> input) {
return new MinAggregator.Factory(aggregationName, input);
public String type() {
return InternalMin.TYPE.name();
}
@Override
protected boolean token(String aggregationName, String currentFieldName, Token token, XContentParser parser,
ParseFieldMatcher parseFieldMatcher, Map<ParseField, Object> otherOptions) throws IOException {
return false;
}
@Override
protected ValuesSourceAggregatorFactory<Numeric> createFactory(String aggregationName, ValuesSourceType valuesSourceType,
ValueType targetValueType, Map<ParseField, Object> otherOptions) {
return new MinAggregator.Factory(aggregationName);
}
// NORELEASE implement this method when refactoring this aggregation
@Override
public AggregatorFactory getFactoryPrototype() {
return null;
return new MinAggregator.Factory(null);
}
}

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@ -119,6 +119,7 @@ public abstract class BaseAggregationTestCase<AF extends AggregatorFactory> exte
}
},
new IndexSettingsModule(index, settings),
new AbstractModule() {
@Override
protected void configure() {

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@ -0,0 +1,32 @@
/*
* Licensed to Elasticsearch under one or more contributor
* license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright
* ownership. Elasticsearch 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.elasticsearch.search.aggregations.metrics;
import org.elasticsearch.search.aggregations.metrics.min.MinAggregator;
import org.elasticsearch.search.aggregations.metrics.min.MinAggregator.Factory;
public class MinTests extends AbstractNumericMetricTestCase<MinAggregator.Factory> {
@Override
protected Factory doCreateTestAggregatorFactory() {
return new MinAggregator.Factory("foo");
}
}