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[SPARK-4608][Streaming] Reorganize StreamingContext implicit to improve API convenience #3464
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Reorganize StreamingContext implicit to improve API convenience
zsxwing 27833bb
Remove `import StreamingContext._`
zsxwing e6f9cc9
Update the docs
zsxwing f74c190
Merge branch 'master' into SPARK-4608
zsxwing aa6d44a
Fix a copy-paste error
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35 changes: 35 additions & 0 deletions
35
streaming/src/test/scala/org/apache/spark/streamingtest/ImplicitSuite.scala
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Original file line number | Diff line number | Diff line change |
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@@ -0,0 +1,35 @@ | ||
/* | ||
* Licensed to the Apache Software Foundation (ASF) under one or more | ||
* contributor license agreements. See the NOTICE file distributed with | ||
* this work for additional information regarding copyright ownership. | ||
* The ASF licenses this file to You under the Apache License, Version 2.0 | ||
* (the "License"); you may not use this file except in compliance with | ||
* the License. You may obtain a copy of the License at | ||
* | ||
* http://www.apache.org/licenses/LICENSE-2.0 | ||
* | ||
* Unless required by applicable law or agreed to in writing, software | ||
* distributed under the License is distributed on an "AS IS" BASIS, | ||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
* See the License for the specific language governing permissions and | ||
* limitations under the License. | ||
*/ | ||
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package org.apache.spark.streamingtest | ||
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/** | ||
* A test suite to make sure all `implicit` functions work correctly. | ||
* | ||
* As `implicit` is a compiler feature, we don't need to run this class. | ||
* What we need to do is making the compiler happy. | ||
*/ | ||
class ImplicitSuite { | ||
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// We only want to test if `implict` works well with the compiler, so we don't need a real DStream. | ||
def mockDStream[T]: org.apache.spark.streaming.dstream.DStream[T] = null | ||
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def testToPairDStreamFunctions(): Unit = { | ||
val rdd: org.apache.spark.streaming.dstream.DStream[(Int, Int)] = mockDStream | ||
There was a problem hiding this comment. Choose a reason for hiding this commentThe reason will be displayed to describe this comment to others. Learn more. I think this a copy-paste error ;) should be named There was a problem hiding this comment. Choose a reason for hiding this commentThe reason will be displayed to describe this comment to others. Learn more. Good catch. Done. |
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rdd.groupByKey() | ||
} | ||
} |
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Actually, on second thought, lets not remove it from the programming guide. People might see the programmign guide of one version and try it on an older version. I would say, key this, but add a comment not necessary in Spark 1.3+
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How about now?
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Looks good.