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https://issues.apache.org/jira/browse/FLINK-2124?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14595557#comment-14595557
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ASF GitHub Bot commented on FLINK-2124:
---------------------------------------
Github user jreiffers commented on a diff in the pull request:
https://github.com/apache/flink/pull/848#discussion_r32916595
--- Diff:
flink-staging/flink-streaming/flink-streaming-core/src/main/java/org/apache/flink/streaming/api/functions/source/FromElementsFunction.java
---
@@ -17,37 +17,81 @@
package org.apache.flink.streaming.api.functions.source;
-import java.util.Arrays;
-import java.util.Collection;
+import org.apache.flink.api.common.typeutils.TypeSerializer;
+import org.apache.flink.core.memory.DataInputView;
+import org.apache.flink.core.memory.InputViewDataInputStreamWrapper;
+import org.apache.flink.core.memory.OutputViewDataOutputStreamWrapper;
+
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.DataInputStream;
+import java.io.DataOutputStream;
+import java.io.IOException;
import java.util.Iterator;
public class FromElementsFunction<T> implements SourceFunction<T> {
private static final long serialVersionUID = 1L;
- private Iterable<T> iterable;
+ private final TypeSerializer<T> serializer;
+ private final byte[] elements;
private volatile boolean isRunning = true;
- public FromElementsFunction(T... elements) {
- this.iterable = Arrays.asList(elements);
- }
+ public FromElementsFunction(TypeSerializer<T> serializer, final T...
elements) {
+ this(serializer, new Iterable<T>() {
--- End diff --
As it turns out, it actually doesn't... the more you know!
> FromElementsFunction is not really Serializable
> -----------------------------------------------
>
> Key: FLINK-2124
> URL: https://issues.apache.org/jira/browse/FLINK-2124
> Project: Flink
> Issue Type: Bug
> Components: Streaming
> Reporter: Aljoscha Krettek
> Assignee: Johannes Reifferscheid
>
> The function stores an Iterable of T. T is not necessarily Serializable and
> and Iterable is also not necessarily Serializable.
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