org.apache.skywalking.oap.server.storage.plugin.elasticsearch.base.ElasticSearchConverter Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF 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.apache.skywalking.oap.server.storage.plugin.elasticsearch.base;
import java.util.Base64;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import lombok.RequiredArgsConstructor;
import org.apache.skywalking.oap.server.core.Const;
import org.apache.skywalking.oap.server.core.storage.type.Convert2Entity;
import org.apache.skywalking.oap.server.core.storage.type.Convert2Storage;
import org.apache.skywalking.oap.server.library.util.CollectionUtils;
import org.apache.skywalking.oap.server.library.util.StringUtil;
/**
* ElasticSearchConverter same as the HashMapConverter, but translate the column alias automatically.
*/
public class ElasticSearchConverter {
@RequiredArgsConstructor
public static class ToEntity implements Convert2Entity {
private final String modelName;
private final Map source;
@Override
public Object get(final String fieldName) {
return source.get(getPhysicalColumnName(modelName, fieldName));
}
@Override
public byte[] getBytes(final String fieldName) {
final String value = (String) source.get(getPhysicalColumnName(modelName, fieldName));
if (StringUtil.isEmpty(value)) {
return new byte[] {};
}
return Base64.getDecoder().decode(value);
}
}
public static class ToStorage implements Convert2Storage