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This commit is contained in:
markilue 2023-02-24 21:15:29 +08:00
parent 1f674b6b56
commit 6e66e33c27
4 changed files with 32 additions and 34 deletions
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6
Big_data_example/Flink/src/main/java/day01/scala/Example_scala1.scala
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@ -1,9 +1,9 @@
package day01.scala
//import org.apache.flink.api.common.functions.FlatMapFunction
//import org.apache.flink.streaming.api.datastream.SingleOutputStreamOperator
import org.apache.flink.api.common.functions.FlatMapFunction
import org.apache.flink.streaming.api.datastream.SingleOutputStreamOperator
import org.apache.flink.streaming.api.environment.StreamExecutionEnvironment
//import org.apache.flink.util.Collector
import org.apache.flink.util.Collector
object Example_scala1 {

58
Big_data_example/Flink/src/main/java/day02/Example2.java
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@ -58,35 +58,35 @@ public class Example2 {
.print();
//匿名内部类的方式
// env
// .addSource(new SourceFunction<Integer>() {
//
// private boolean running = true;
// private Random random = new Random();
//
//
// @Override
// public void run(SourceContext<Integer> ctx) throws Exception {
//
// while (running) {
// ctx.collect(random.nextInt(1000));
// Thread.sleep(1000L);
// }
//
// }
//
// @Override
// public void cancel() {
// running = false;
//
// }
// })
// .map(new MapFunction<Integer, Tuple2<Integer, Integer>>() {
// @Override
// public Tuple2<Integer, Integer> map(Integer value) throws Exception {
// return Tuple2.of(value, value);
// }
// }).print();
env
.addSource(new SourceFunction<Integer>() {
private boolean running = true;
private Random random = new Random();
@Override
public void run(SourceContext<Integer> ctx) throws Exception {
while (running) {
ctx.collect(random.nextInt(1000));
Thread.sleep(1000L);
}
}
@Override
public void cancel() {
running = false;
}
})
.map(new MapFunction<Integer, Tuple2<Integer, Integer>>() {
@Override
public Tuple2<Integer, Integer> map(Integer value) throws Exception {
return Tuple2.of(value, value);
}
}).print();
//外部类的方式

1
Big_data_example/Flink/src/main/java/day03/selftry/Example9_try.java
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@ -11,7 +11,6 @@ import org.apache.flink.streaming.api.environment.StreamExecutionEnvironment;
import org.apache.flink.streaming.api.functions.KeyedProcessFunction;
import org.apache.flink.streaming.api.functions.source.SourceFunction;
import org.apache.flink.util.Collector;
import sun.awt.SunHints;
import java.sql.Time;
import java.sql.Timestamp;

1
Big_data_example/Flink/src/main/java/day08/Example5.java
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@ -12,7 +12,6 @@ import org.apache.flink.streaming.api.datastream.SingleOutputStreamOperator;
import org.apache.flink.streaming.api.environment.StreamExecutionEnvironment;
import org.apache.flink.streaming.api.functions.KeyedProcessFunction;
import org.apache.flink.util.Collector;
import sun.awt.geom.AreaOp;
import java.util.HashMap;