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https://issues.apache.org/jira/browse/BEAM-3243?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16273508#comment-16273508
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ASF GitHub Bot commented on BEAM-3243:
--------------------------------------
rmannibucau commented on a change in pull request #4185: BEAM-3243 better error
message when there are conflicting anonymous names
URL: https://github.com/apache/beam/pull/4185#discussion_r154208876
##########
File path: sdks/java/core/src/main/java/org/apache/beam/sdk/Pipeline.java
##########
@@ -636,4 +649,49 @@ public void visitPrimitiveTransform(Node node) {
node.getTransform().validate(options);
}
}
+
+ private static class TransformToMessage implements Function<PTransform<?,
?>, String> {
+ @Override
+ public String apply(final PTransform<?, ?> transform) {
+ final Object representant;
+ if (ParDo.SingleOutput.class.isInstance(transform)) {
+ representant = ParDo.SingleOutput.class.cast(
+ transform).getFn();
+ } else if (ParDo.MultiOutput.class.isInstance(transform)) {
+ representant = ParDo.MultiOutput.class.cast(
+ transform).getFn();
+ } else {
+ representant = transform;
+ }
+ return " - " + representant;
+ }
+ }
+
+ private static class UnstableNameToMessage implements Function<String,
String> {
+ private final Multimap<String, PTransform<?, ?>> instances;
+
+ private UnstableNameToMessage(final Multimap<String, PTransform<?, ?>>
instancePerName) {
+ this.instances = instancePerName;
+ }
+
+ @Override
+ public String apply(final String input) {
+ Collection<PTransform<?, ?>> values = null;
+ String currentName = input;
+ // strip the counter appended to the name,
+ // see uniquifyInternal().
+ // common example: ParDo(Anonymous) becoming ParDo(Anonymous)2
+ while (values == null && !currentName.isEmpty()) {
+ currentName = currentName.substring(0, currentName.length() - 1);
Review comment:
Will change it tomorrow
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> multiple anonymous DoFn lead to conflicting names
> -------------------------------------------------
>
> Key: BEAM-3243
> URL: https://issues.apache.org/jira/browse/BEAM-3243
> Project: Beam
> Issue Type: Task
> Components: sdk-java-core
> Reporter: Romain Manni-Bucau
> Assignee: Romain Manni-Bucau
> Fix For: 2.3.0
>
>
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