Github user ffbin commented on a diff in the pull request:
https://github.com/apache/flink/pull/1017#discussion_r37142604
--- Diff:
flink-staging/flink-streaming/flink-streaming-core/src/main/java/org/apache/flink/streaming/runtime/tasks/TwoInputStreamTask.java
---
@@ -27,114 +26,65 @@
import org.apache.flink.streaming.api.graph.StreamEdge;
import org.apache.flink.streaming.api.operators.TwoInputStreamOperator;
import org.apache.flink.streaming.runtime.io.StreamTwoInputProcessor;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
public class TwoInputStreamTask<IN1, IN2, OUT> extends StreamTask<OUT,
TwoInputStreamOperator<IN1, IN2, OUT>> {
- private static final Logger LOG =
LoggerFactory.getLogger(TwoInputStreamTask.class);
-
private StreamTwoInputProcessor<IN1, IN2> inputProcessor;
+
+ private volatile boolean running = true;
@Override
- public void registerInputOutput() {
- try {
- super.registerInputOutput();
+ public void init() throws Exception {
+ TypeSerializer<IN1> inputDeserializer1 =
configuration.getTypeSerializerIn1(userClassLoader);
+ TypeSerializer<IN2> inputDeserializer2 =
configuration.getTypeSerializerIn2(userClassLoader);
- TypeSerializer<IN1> inputDeserializer1 =
configuration.getTypeSerializerIn1(userClassLoader);
- TypeSerializer<IN2> inputDeserializer2 =
configuration.getTypeSerializerIn2(userClassLoader);
+ int numberOfInputs = configuration.getNumberOfInputs();
- int numberOfInputs = configuration.getNumberOfInputs();
+ ArrayList<InputGate> inputList1 = new ArrayList<InputGate>();
+ ArrayList<InputGate> inputList2 = new ArrayList<InputGate>();
- ArrayList<InputGate> inputList1 = new
ArrayList<InputGate>();
- ArrayList<InputGate> inputList2 = new
ArrayList<InputGate>();
+ List<StreamEdge> inEdges =
configuration.getInPhysicalEdges(userClassLoader);
- List<StreamEdge> inEdges =
configuration.getInPhysicalEdges(userClassLoader);
-
- for (int i = 0; i < numberOfInputs; i++) {
- int inputType = inEdges.get(i).getTypeNumber();
- InputGate reader =
getEnvironment().getInputGate(i);
- switch (inputType) {
- case 1:
- inputList1.add(reader);
- break;
- case 2:
- inputList2.add(reader);
- break;
- default:
- throw new
RuntimeException("Invalid input type number: " + inputType);
- }
+ for (int i = 0; i < numberOfInputs; i++) {
+ int inputType = inEdges.get(i).getTypeNumber();
+ InputGate reader = getEnvironment().getInputGate(i);
+ switch (inputType) {
+ case 1:
+ inputList1.add(reader);
+ break;
+ case 2:
--- End diff --
what about use a enum to instead of 2, it will be easier to understand it.
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