pnowojski commented on a change in pull request #9383: [FLINK-13248] [runtime]
Adding processing of downstream messages in AsyncWaitOperator's wait loops
URL: https://github.com/apache/flink/pull/9383#discussion_r317626081
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File path:
flink-streaming-java/src/main/java/org/apache/flink/streaming/api/operators/async/AsyncWaitOperatorFactory.java
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@@ -17,22 +17,68 @@
package org.apache.flink.streaming.api.operators.async;
-import org.apache.flink.streaming.api.operators.SimpleUdfStreamOperatorFactory;
+import org.apache.flink.streaming.api.datastream.AsyncDataStream;
+import org.apache.flink.streaming.api.functions.async.AsyncFunction;
+import org.apache.flink.streaming.api.graph.StreamConfig;
+import org.apache.flink.streaming.api.operators.ChainingStrategy;
+import org.apache.flink.streaming.api.operators.OneInputStreamOperatorFactory;
+import org.apache.flink.streaming.api.operators.Output;
+import org.apache.flink.streaming.api.operators.StreamOperator;
import org.apache.flink.streaming.api.operators.YieldingOperatorFactory;
+import org.apache.flink.streaming.runtime.tasks.StreamTask;
import
org.apache.flink.streaming.runtime.tasks.mailbox.execution.MailboxExecutor;
/**
* The factory of {@link AsyncWaitOperator}.
*
* @param <OUT> The output type of the operator
*/
-public class AsyncWaitOperatorFactory<OUT> extends
SimpleUdfStreamOperatorFactory<OUT> implements YieldingOperatorFactory {
- public AsyncWaitOperatorFactory(AsyncWaitOperator<?, OUT> operator) {
- super(operator);
+public class AsyncWaitOperatorFactory<IN, OUT> implements
OneInputStreamOperatorFactory<IN, OUT>, YieldingOperatorFactory {
+ private final AsyncFunction<IN, OUT> asyncFunction;
+ private final long timeout;
+ private final int capacity;
+ private final AsyncDataStream.OutputMode outputMode;
+ private MailboxExecutor mailboxExecutor;
+ private ChainingStrategy strategy = ChainingStrategy.HEAD;
+
+ public AsyncWaitOperatorFactory(AsyncFunction<IN, OUT> asyncFunction,
+ long timeout,
+ int capacity,
+ AsyncDataStream.OutputMode outputMode) {
+ this.asyncFunction = asyncFunction;
+ this.timeout = timeout;
+ this.capacity = capacity;
+ this.outputMode = outputMode;
}
@Override public void setMailboxExecutor(MailboxExecutor
mailboxExecutor) {
- AsyncWaitOperator<?, OUT> operator = (AsyncWaitOperator<?,
OUT>) getOperator();
- operator.setMailboxExecutor(mailboxExecutor);
+ this.mailboxExecutor = mailboxExecutor;
+ }
+
+ @Override public StreamOperator createStreamOperator(StreamTask
containingTask, StreamConfig config,
+ Output output) {
+ AsyncWaitOperator asyncWaitOperator = new
AsyncWaitOperator(asyncFunction,
+ timeout,
+ capacity,
+ outputMode,
+ mailboxExecutor);
Review comment:
`checkNotNull(mailboxExecutor)`?
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