flink+es实战优化

最新推荐文章于 2025-09-07 13:09:21 发布

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最新推荐文章于 2025-09-07 13:09:21 发布 · 501 阅读

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#elasticsearch #flink #java

package com.juege.business;

import org.apache.flink.api.common.state.ListState;
import org.apache.flink.api.common.state.ListStateDescriptor;
import org.apache.flink.api.common.typeinfo.Types;
import org.apache.flink.runtime.state.FunctionInitializationContext;
import org.apache.flink.runtime.state.FunctionSnapshotContext;
import org.apache.flink.shaded.jackson2.com.fasterxml.jackson.databind.JsonNode;
import org.apache.flink.shaded.jackson2.com.fasterxml.jackson.databind.ObjectMapper;
import org.apache.flink.streaming.api.checkpoint.CheckpointedFunction;
import org.apache.flink.streaming.api.functions.source.SourceFunction;
import org.apache.http.HttpHost;
import org.apache.http.util.EntityUtils;
import org.elasticsearch.client.Request;
import org.elasticsearch.client.Response;
import org.elasticsearch.client.RestClient;

import java.util.HashMap;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;

public class ElasticsearchScro