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Elasticsearch Expanded Pack Plugin - Core
/*
* 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.dataframe;
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.ToXContentObject;
import org.elasticsearch.common.xcontent.XContentBuilder;
import org.elasticsearch.xpack.core.ml.utils.ExceptionsHelper;
import java.io.IOException;
import java.util.Objects;
public class DataFrameAnalyticsDest implements Writeable, ToXContentObject {
public static final ParseField INDEX = new ParseField("index");
public static final ParseField RESULTS_FIELD = new ParseField("results_field");
private static final String DEFAULT_RESULTS_FIELD = "ml";
public static ConstructingObjectParser createParser(boolean ignoreUnknownFields) {
ConstructingObjectParser parser = new ConstructingObjectParser<>("data_frame_analytics_dest",
ignoreUnknownFields, a -> new DataFrameAnalyticsDest((String) a[0], (String) a[1]));
parser.declareString(ConstructingObjectParser.constructorArg(), INDEX);
parser.declareString(ConstructingObjectParser.optionalConstructorArg(), RESULTS_FIELD);
return parser;
}
private final String index;
private final String resultsField;
public DataFrameAnalyticsDest(String index, @Nullable String resultsField) {
this.index = ExceptionsHelper.requireNonNull(index, INDEX);
if (index.isEmpty()) {
throw ExceptionsHelper.badRequestException("[{}] must be non-empty", INDEX);
}
this.resultsField = resultsField == null ? DEFAULT_RESULTS_FIELD : resultsField;
}
public DataFrameAnalyticsDest(StreamInput in) throws IOException {
index = in.readString();
resultsField = in.readString();
}
public DataFrameAnalyticsDest(DataFrameAnalyticsDest other) {
this.index = other.index;
this.resultsField = other.resultsField;
}
@Override
public void writeTo(StreamOutput out) throws IOException {
out.writeString(index);
out.writeString(resultsField);
}
@Override
public XContentBuilder toXContent(XContentBuilder builder, Params params) throws IOException {
builder.startObject();
builder.field(INDEX.getPreferredName(), index);
builder.field(RESULTS_FIELD.getPreferredName(), resultsField);
builder.endObject();
return builder;
}
@Override
public boolean equals(Object o) {
if (o == this) return true;
if (o == null || getClass() != o.getClass()) return false;
DataFrameAnalyticsDest other = (DataFrameAnalyticsDest) o;
return Objects.equals(index, other.index) && Objects.equals(resultsField, other.resultsField);
}
@Override
public int hashCode() {
return Objects.hash(index, resultsField);
}
public String getIndex() {
return index;
}
public String getResultsField() {
return resultsField;
}
}