org.elasticsearch.hadoop.serialization.builder.ValueReader Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of elasticsearch-spark-20_2.11 Show documentation
Show all versions of elasticsearch-spark-20_2.11 Show documentation
Elasticsearch Spark (for Spark 2.X)
/*
* 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.hadoop.serialization.builder;
import java.util.List;
import org.elasticsearch.hadoop.serialization.FieldType;
import org.elasticsearch.hadoop.serialization.Parser;
/**
* Translates a JSON field to an actual object. Implementations should only handle the conversion and not influence the parser outside the conversion.
*/
public interface ValueReader {
Object readValue(Parser parser, String value, FieldType esType);
Object createMap();
void addToMap(Object map, Object key, Object value);
Object wrapString(String value);
Object createArray(FieldType type);
Object addToArray(Object array, List