Difference between revisions of "MapReduce Reducer Assignment"
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| Line 12: | Line 12: | ||
=Code To Implement= | =Code To Implement= | ||
==ClassicReducer== | ==ClassicReducer== | ||
| − | {{CodeToImplement|ClassicReducer|supplier | + | {{CodeToImplement|ClassicReducer|supplier<br>accumulator<br>combiner|mapreduce.collector.studio}} |
==IntSumCollector== | ==IntSumCollector== | ||
| − | {{CodeToImplement|IntSumCollector|supplier | + | {{CodeToImplement|IntSumCollector|supplier<br>accumulator<br>combiner<br>finisher|mapreduce.collector.intsum.studio}} |
=Testing Your Solution= | =Testing Your Solution= | ||
==Correctness== | ==Correctness== | ||
{{TestSuite|CollectorStudioTestSuite|mapreduce}} | {{TestSuite|CollectorStudioTestSuite|mapreduce}} | ||
Revision as of 03:13, 22 February 2018
Contents
Motivation
Collector is fundamental to the MapReduce Framework lab.
Motivation
Learn about Collector before we dig into the MapReduce Lab.
Background
Code To Implement
ClassicReducer
| class: | ClassicReducer.java |  |
| methods: | supplier accumulator combiner |
|
| package: | mapreduce.collector.studio | |
| source folder: | student/src/main/java |
IntSumCollector
| class: | IntSumCollector.java | |
| methods: | supplier accumulator combiner finisher |
|
| package: | mapreduce.collector.intsum.studio | |
| source folder: | student/src/main/java |
Testing Your Solution
Correctness
| class: | CollectorStudioTestSuite.java |  |
| package: | mapreduce | |
| source folder: | testing/src/test/java |
