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/*
* 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 and the Server Side Public License, v 1; you may not use this file except
* in compliance with, at your election, the Elastic License 2.0 or the Server
* Side Public License, v 1.
*/
package org.elasticsearch.search.suggest.completion;
import org.elasticsearch.common.FieldMemoryStats;
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.unit.ByteSizeValue;
import org.elasticsearch.core.Nullable;
import org.elasticsearch.xcontent.ToXContentFragment;
import org.elasticsearch.xcontent.XContentBuilder;
import java.io.IOException;
public class CompletionStats implements Writeable, ToXContentFragment {
private static final String COMPLETION = "completion";
private static final String SIZE_IN_BYTES = "size_in_bytes";
private static final String SIZE = "size";
private static final String FIELDS = "fields";
private long sizeInBytes;
@Nullable
private FieldMemoryStats fields;
public CompletionStats() {}
public CompletionStats(StreamInput in) throws IOException {
sizeInBytes = in.readVLong();
fields = in.readOptionalWriteable(FieldMemoryStats::new);
}
public CompletionStats(long size, @Nullable FieldMemoryStats fields) {
this.sizeInBytes = size;
this.fields = fields;
}
public long getSizeInBytes() {
return sizeInBytes;
}
public ByteSizeValue getSize() {
return new ByteSizeValue(sizeInBytes);
}
public FieldMemoryStats getFields() {
return fields;
}
@Override
public void writeTo(StreamOutput out) throws IOException {
out.writeVLong(sizeInBytes);
out.writeOptionalWriteable(fields);
}
@Override
public XContentBuilder toXContent(XContentBuilder builder, Params params) throws IOException {
builder.startObject(COMPLETION);
builder.humanReadableField(SIZE_IN_BYTES, SIZE, getSize());
if (fields != null) {
fields.toXContent(builder, FIELDS, SIZE_IN_BYTES, SIZE);
}
builder.endObject();
return builder;
}
public void add(CompletionStats completion) {
if (completion == null) {
return;
}
sizeInBytes += completion.getSizeInBytes();
if (completion.fields != null) {
if (fields == null) {
fields = completion.fields.copy();
} else {
fields.add(completion.fields);
}
}
}
}