flink读取本地内存

package com.zjl.flink;

import org.apache.flink.api.common.functions.MapFunction;
import org.apache.flink.streaming.api.datastream.DataStream;
import org.apache.flink.streaming.api.datastream.SingleOutputStreamOperator;

import org.apache.flink.streaming.api.environment.StreamExecutionEnvironment;


public class list {
    public static void main(String[] args) throws Exception {
        StreamExecutionEnvironment env = StreamExecutionEnvironment.getExecutionEnvironment();
        env.enableCheckpointing( 500 );
        DataStream data = env.fromElements( "test","test1","test2" );
        SingleOutputStreamOperator map = data.map( new MapFunction() {
            @Override
            public String map(String s) throws Exception {

                String test4 = s + "test";
                return test4;
            }
        } );
        map.addSink(new hashmap());
        env.execute("flink");
    }
}

package com.zjl.flink;

import org.apache.flink.streaming.api.functions.sink.SinkFunction;

import java.util.HashMap;

public class hashmap implements SinkFunction {
    @Override
    public void invoke(String value) throws Exception {
        HashMap test = new HashMap();
        test.put("id","1");
        test.put("message",value);
        System.out.println(test);
    }
}