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/*
* 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.suggest.completion;
import org.elasticsearch.common.FieldMemoryStats;
import org.elasticsearch.common.Nullable;
import org.elasticsearch.common.io.stream.StreamInput;
import org.elasticsearch.common.io.stream.StreamOutput;
import org.elasticsearch.common.io.stream.Streamable;
import org.elasticsearch.common.unit.ByteSizeValue;
import org.elasticsearch.common.xcontent.ToXContent;
import org.elasticsearch.common.xcontent.XContentBuilder;
import java.io.IOException;
public class CompletionStats implements Streamable, ToXContent {
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(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 readFrom(StreamInput in) throws IOException {
sizeInBytes = in.readVLong();
fields = in.readOptionalWriteable(FieldMemoryStats::new);
}
@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.byteSizeField(SIZE_IN_BYTES, SIZE, sizeInBytes);
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);
}
}
}
}
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