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https://issues.apache.org/jira/browse/BEAM-2358?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16023187#comment-16023187
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Nicholas Ursa edited comment on BEAM-2358 at 5/24/17 4:36 PM:
--
@Rule only works on methods and fields, so this means you wouldn't be able to
create a pipeline in a local variable, which seems overly restrictive.
{code}
@Retention(RetentionPolicy.RUNTIME)
@Target({ElementType.FIELD, ElementType.METHOD})
public @interface Rule {
}
{code}
The change in code came out of this ticket:
https://issues.apache.org/jira/browse/BEAM-1205
was (Author: nicku33):
@Rule only works on methods and fields, so this means you wouldn't be able to
create a pipeline in a method, which seems overly restrictive.
{code}
@Retention(RetentionPolicy.RUNTIME)
@Target({ElementType.FIELD, ElementType.METHOD})
public @interface Rule {
}
{code}
The change in code came out of this ticket:
https://issues.apache.org/jira/browse/BEAM-1205
> "/test-your-pipeline" example code results in an exception
> --
>
> Key: BEAM-2358
> URL: https://issues.apache.org/jira/browse/BEAM-2358
> Project: Beam
> Issue Type: Bug
> Components: website
>Reporter: Nicholas Ursa
>Assignee: Davor Bonaci
> Labels: documentation, easyfix
> Original Estimate: 2h
> Remaining Estimate: 2h
>
> https://beam.apache.org/documentation/pipelines/test-your-pipeline/ has
> {code}
> public void testCountWords() throws Exception {
> Pipeline p = TestPipeline.create();
> {code}
> but this results in
> {code}
> Exception in thread "main" java.lang.IllegalStateException: Is your
> TestPipeline declaration missing a @Rule annotation? Usage: @Rule public
> final transient TestPipeline pipeline = TestPipeline.Create();
> at
> org.apache.beam.sdk.repackaged.com.google.common.base.Preconditions.checkState(Preconditions.java:444)
> at org.apache.beam.sdk.testing.TestPipeline.run(TestPipeline.java:299)
> at BasicPipelineTest.run(BasicPipelineTest.java:42)
> at Main.main(Main.java:25)
> {code}
> In the [github
> example|https://github.com/apache/beam/blob/master/examples/java8/src/test/java/org/apache/beam/examples/MinimalWordCountJava8Test.java#L56]
> it's written as:
> {code}
> public TestPipeline p =
> TestPipeline.create().enableAbandonedNodeEnforcement(false);
> {code}
> I'm using 2.0.0 from the maven repo.
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