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Use SPI to provide named XContent parsers for ranking evaluation

This commit is contained in:
Christoph Büscher 2017-12-11 16:03:59 +01:00
parent 97b25f3b0c
commit 33bcfddb54
4 changed files with 47 additions and 11 deletions
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1
modules/rank-eval/build.gradle
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@ -20,5 +20,6 @@
esplugin {
description 'The Rank Eval module adds APIs to evaluate ranking quality.'
classname 'org.elasticsearch.index.rankeval.RankEvalPlugin'
hasClientJar = true
}

42
modules/rank-eval/src/main/java/org/elasticsearch/index/rankeval/RankEvalNamedXContentProvider.java Normal file
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@ -0,0 +1,42 @@
/*
* 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.index.rankeval;
import org.elasticsearch.common.ParseField;
import org.elasticsearch.common.xcontent.NamedXContentRegistry;
import org.elasticsearch.plugins.spi.NamedXContentProvider;
import java.util.ArrayList;
import java.util.List;
public class RankEvalNamedXContentProvider implements NamedXContentProvider {
@Override
public List<NamedXContentRegistry.Entry> getNamedXContentParsers() {
List<NamedXContentRegistry.Entry> namedXContent = new ArrayList<>();
namedXContent.add(
new NamedXContentRegistry.Entry(EvaluationMetric.class, new ParseField(PrecisionAtK.NAME), PrecisionAtK::fromXContent));
namedXContent.add(new NamedXContentRegistry.Entry(EvaluationMetric.class, new ParseField(MeanReciprocalRank.NAME),
MeanReciprocalRank::fromXContent));
namedXContent.add(new NamedXContentRegistry.Entry(EvaluationMetric.class, new ParseField(DiscountedCumulativeGain.NAME),
DiscountedCumulativeGain::fromXContent));
return namedXContent;
}
}

14
modules/rank-eval/src/main/java/org/elasticsearch/index/rankeval/RankEvalPlugin.java
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@ -23,13 +23,12 @@ import org.elasticsearch.action.ActionRequest;
import org.elasticsearch.action.ActionResponse;
import org.elasticsearch.cluster.metadata.IndexNameExpressionResolver;
import org.elasticsearch.cluster.node.DiscoveryNodes;
import org.elasticsearch.common.ParseField;
import org.elasticsearch.common.io.stream.NamedWriteableRegistry;
import org.elasticsearch.common.settings.ClusterSettings;
import org.elasticsearch.common.settings.IndexScopedSettings;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.common.settings.SettingsFilter;
import org.elasticsearch.common.xcontent.NamedXContentRegistry;
import org.elasticsearch.common.xcontent.NamedXContentRegistry.Entry;
import org.elasticsearch.plugins.ActionPlugin;
import org.elasticsearch.plugins.Plugin;
import org.elasticsearch.rest.RestController;
@ -68,14 +67,7 @@ public class RankEvalPlugin extends Plugin implements ActionPlugin {
}
@Override
public List<NamedXContentRegistry.Entry> getNamedXContent() {
List<NamedXContentRegistry.Entry> namedXContent = new ArrayList<>();
namedXContent.add(
new NamedXContentRegistry.Entry(EvaluationMetric.class, new ParseField(PrecisionAtK.NAME), PrecisionAtK::fromXContent));
namedXContent.add(new NamedXContentRegistry.Entry(EvaluationMetric.class, new ParseField(MeanReciprocalRank.NAME),
MeanReciprocalRank::fromXContent));
namedXContent.add(new NamedXContentRegistry.Entry(EvaluationMetric.class, new ParseField(DiscountedCumulativeGain.NAME),
DiscountedCumulativeGain::fromXContent));
return namedXContent;
public List<Entry> getNamedXContent() {
return new RankEvalNamedXContentProvider().getNamedXContentParsers();
}
}

1
modules/rank-eval/src/main/resources/META-INF/services/org.elasticsearch.plugins.spi.NamedXContentProvider Normal file
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@ -0,0 +1 @@
org.elasticsearch.index.rankeval.RankEvalNamedXContentProvider