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org.elasticsearch.xpack.core.ml.inference.trainedmodel.metadata.TotalFeatureImportance Maven / Gradle / Ivy
/*
* Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
* or more contributor license agreements. Licensed under the Elastic License
* 2.0; you may not use this file except in compliance with the Elastic License
* 2.0.
*/
package org.elasticsearch.xpack.core.ml.inference.trainedmodel.metadata;
import org.elasticsearch.common.Nullable;
import org.elasticsearch.common.ParseField;
import org.elasticsearch.common.io.stream.StreamInput;
import org.elasticsearch.common.io.stream.StreamOutput;
import org.elasticsearch.common.io.stream.Writeable;
import org.elasticsearch.common.xcontent.ConstructingObjectParser;
import org.elasticsearch.common.xcontent.ObjectParser;
import org.elasticsearch.common.xcontent.ToXContentObject;
import org.elasticsearch.common.xcontent.XContentBuilder;
import org.elasticsearch.common.xcontent.XContentParseException;
import org.elasticsearch.common.xcontent.XContentParser;
import java.io.IOException;
import java.util.Collections;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import java.util.Objects;
import java.util.stream.Collectors;
public class TotalFeatureImportance implements ToXContentObject, Writeable {
private static final String NAME = "total_feature_importance";
public static final ParseField FEATURE_NAME = new ParseField("feature_name");
public static final ParseField IMPORTANCE = new ParseField("importance");
public static final ParseField CLASSES = new ParseField("classes");
public static final ParseField MEAN_MAGNITUDE = new ParseField("mean_magnitude");
public static final ParseField MIN = new ParseField("min");
public static final ParseField MAX = new ParseField("max");
// These parsers follow the pattern that metadata is parsed leniently (to allow for enhancements), whilst config is parsed strictly
public static final ConstructingObjectParser LENIENT_PARSER = createParser(true);
public static final ConstructingObjectParser STRICT_PARSER = createParser(false);
@SuppressWarnings("unchecked")
private static ConstructingObjectParser createParser(boolean ignoreUnknownFields) {
ConstructingObjectParser parser = new ConstructingObjectParser<>(NAME,
ignoreUnknownFields,
a -> new TotalFeatureImportance((String)a[0], (Importance)a[1], (List)a[2]));
parser.declareString(ConstructingObjectParser.constructorArg(), FEATURE_NAME);
parser.declareObject(ConstructingObjectParser.optionalConstructorArg(),
ignoreUnknownFields ? Importance.LENIENT_PARSER : Importance.STRICT_PARSER,
IMPORTANCE);
parser.declareObjectArray(ConstructingObjectParser.optionalConstructorArg(),
ignoreUnknownFields ? ClassImportance.LENIENT_PARSER : ClassImportance.STRICT_PARSER,
CLASSES);
return parser;
}
public static TotalFeatureImportance fromXContent(XContentParser parser, boolean lenient) throws IOException {
return lenient ? LENIENT_PARSER.parse(parser, null) : STRICT_PARSER.parse(parser, null);
}
public final String featureName;
public final Importance importance;
public final List classImportances;
public TotalFeatureImportance(StreamInput in) throws IOException {
this.featureName = in.readString();
this.importance = in.readOptionalWriteable(Importance::new);
this.classImportances = in.readList(ClassImportance::new);
}
TotalFeatureImportance(String featureName, @Nullable Importance importance, @Nullable List classImportances) {
this.featureName = featureName;
this.importance = importance;
this.classImportances = classImportances == null ? Collections.emptyList() : classImportances;
}
@Override
public void writeTo(StreamOutput out) throws IOException {
out.writeString(featureName);
out.writeOptionalWriteable(importance);
out.writeList(classImportances);
}
@Override
public XContentBuilder toXContent(XContentBuilder builder, Params params) throws IOException {
return builder.map(asMap());
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
TotalFeatureImportance that = (TotalFeatureImportance) o;
return Objects.equals(that.importance, importance)
&& Objects.equals(featureName, that.featureName)
&& Objects.equals(classImportances, that.classImportances);
}
public Map asMap() {
Map map = new LinkedHashMap<>();
map.put(FEATURE_NAME.getPreferredName(), featureName);
if (importance != null) {
map.put(IMPORTANCE.getPreferredName(), importance.asMap());
}
if (classImportances.isEmpty() == false) {
map.put(CLASSES.getPreferredName(), classImportances.stream().map(ClassImportance::asMap).collect(Collectors.toList()));
}
return map;
}
@Override
public int hashCode() {
return Objects.hash(featureName, importance, classImportances);
}
public static class Importance implements ToXContentObject, Writeable {
private static final String NAME = "importance";
// These parsers follow the pattern that metadata is parsed leniently (to allow for enhancements), whilst config is parsed strictly
public static final ConstructingObjectParser LENIENT_PARSER = createParser(true);
public static final ConstructingObjectParser STRICT_PARSER = createParser(false);
private static ConstructingObjectParser createParser(boolean ignoreUnknownFields) {
ConstructingObjectParser parser = new ConstructingObjectParser<>(NAME,
ignoreUnknownFields,
a -> new Importance((double)a[0], (double)a[1], (double)a[2]));
parser.declareDouble(ConstructingObjectParser.constructorArg(), MEAN_MAGNITUDE);
parser.declareDouble(ConstructingObjectParser.constructorArg(), MIN);
parser.declareDouble(ConstructingObjectParser.constructorArg(), MAX);
return parser;
}
private final double meanMagnitude;
private final double min;
private final double max;
public Importance(double meanMagnitude, double min, double max) {
this.meanMagnitude = meanMagnitude;
this.min = min;
this.max = max;
}
public Importance(StreamInput in) throws IOException {
this.meanMagnitude = in.readDouble();
this.min = in.readDouble();
this.max = in.readDouble();
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
Importance that = (Importance) o;
return Double.compare(that.meanMagnitude, meanMagnitude) == 0 &&
Double.compare(that.min, min) == 0 &&
Double.compare(that.max, max) == 0;
}
@Override
public int hashCode() {
return Objects.hash(meanMagnitude, min, max);
}
@Override
public void writeTo(StreamOutput out) throws IOException {
out.writeDouble(meanMagnitude);
out.writeDouble(min);
out.writeDouble(max);
}
@Override
public XContentBuilder toXContent(XContentBuilder builder, Params params) throws IOException {
return builder.map(asMap());
}
private Map asMap() {
Map map = new LinkedHashMap<>();
map.put(MEAN_MAGNITUDE.getPreferredName(), meanMagnitude);
map.put(MIN.getPreferredName(), min);
map.put(MAX.getPreferredName(), max);
return map;
}
}
public static class ClassImportance implements ToXContentObject, Writeable {
private static final String NAME = "total_class_importance";
public static final ParseField CLASS_NAME = new ParseField("class_name");
public static final ParseField IMPORTANCE = new ParseField("importance");
// These parsers follow the pattern that metadata is parsed leniently (to allow for enhancements), whilst config is parsed strictly
public static final ConstructingObjectParser LENIENT_PARSER = createParser(true);
public static final ConstructingObjectParser STRICT_PARSER = createParser(false);
private static ConstructingObjectParser createParser(boolean ignoreUnknownFields) {
ConstructingObjectParser parser = new ConstructingObjectParser<>(NAME,
ignoreUnknownFields,
a -> new ClassImportance(a[0], (Importance)a[1]));
parser.declareField(ConstructingObjectParser.constructorArg(), (p, c) -> {
if (p.currentToken() == XContentParser.Token.VALUE_STRING) {
return p.text();
} else if (p.currentToken() == XContentParser.Token.VALUE_NUMBER) {
return p.numberValue();
} else if (p.currentToken() == XContentParser.Token.VALUE_BOOLEAN) {
return p.booleanValue();
}
throw new XContentParseException("Unsupported token [" + p.currentToken() + "]");
}, CLASS_NAME, ObjectParser.ValueType.VALUE);
parser.declareObject(ConstructingObjectParser.constructorArg(),
ignoreUnknownFields ? Importance.LENIENT_PARSER : Importance.STRICT_PARSER,
IMPORTANCE);
return parser;
}
public static ClassImportance fromXContent(XContentParser parser, boolean lenient) throws IOException {
return lenient ? LENIENT_PARSER.parse(parser, null) : STRICT_PARSER.parse(parser, null);
}
public final Object className;
public final Importance importance;
public ClassImportance(StreamInput in) throws IOException {
this.className = in.readGenericValue();
this.importance = new Importance(in);
}
ClassImportance(Object className, Importance importance) {
this.className = className;
this.importance = importance;
}
@Override
public void writeTo(StreamOutput out) throws IOException {
out.writeGenericValue(className);
importance.writeTo(out);
}
@Override
public XContentBuilder toXContent(XContentBuilder builder, Params params) throws IOException {
return builder.map(asMap());
}
private Map asMap() {
Map map = new LinkedHashMap<>();
map.put(CLASS_NAME.getPreferredName(), className);
map.put(IMPORTANCE.getPreferredName(), importance.asMap());
return map;
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
ClassImportance that = (ClassImportance) o;
return Objects.equals(that.importance, importance) && Objects.equals(className, that.className);
}
@Override
public int hashCode() {
return Objects.hash(className, importance);
}
}
}