org.elasticsearch.search.aggregations.support.numeric.ValueFormatterStreams Maven / Gradle / Ivy
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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.aggregations.support.numeric;
import org.elasticsearch.ElasticsearchIllegalArgumentException;
import org.elasticsearch.common.io.stream.StreamInput;
import org.elasticsearch.common.io.stream.StreamOutput;
import java.io.IOException;
/**
*
*/
public class ValueFormatterStreams {
public static ValueFormatter read(StreamInput in) throws IOException {
byte id = in.readByte();
ValueFormatter formatter = null;
switch (id) {
case ValueFormatter.Raw.ID: return ValueFormatter.RAW;
case ValueFormatter.IPv4Formatter.ID: return ValueFormatter.IPv4;
case ValueFormatter.DateTime.ID: formatter = new ValueFormatter.DateTime(); break;
case ValueFormatter.Number.Pattern.ID: formatter = new ValueFormatter.Number.Pattern(); break;
default: throw new ElasticsearchIllegalArgumentException("Unknown value formatter with id [" + id + "]");
}
formatter.readFrom(in);
return formatter;
}
public static ValueFormatter readOptional(StreamInput in) throws IOException {
if (!in.readBoolean()) {
return null;
}
return read(in);
}
public static void write(ValueFormatter formatter, StreamOutput out) throws IOException {
out.writeByte(formatter.id());
formatter.writeTo(out);
}
public static void writeOptional(ValueFormatter formatter, StreamOutput out) throws IOException {
out.writeBoolean(formatter != null);
if (formatter != null) {
write(formatter, out);
}
}
}