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https://issues.apache.org/jira/browse/MAHOUT-718?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13044273#comment-13044273
 ] 

Hudson commented on MAHOUT-718:
-------------------------------

Integrated in Mahout-Quality #856 (See 
[https://builds.apache.org/hudson/job/Mahout-Quality/856/])
    MAHOUT-718 Small refactoring to broaden the use of Google Guava: Closeables

ssc : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1131350
Files : 
* 
/mahout/trunk/examples/src/test/java/org/apache/mahout/classifier/sgd/TrainLogisticTest.java
* 
/mahout/trunk/core/src/main/java/org/apache/mahout/df/mapreduce/Classifier.java
* 
/mahout/trunk/integration/src/test/java/org/apache/mahout/text/TestSequenceFilesFromDirectory.java
* 
/mahout/trunk/core/src/main/java/org/apache/mahout/classifier/naivebayes/trainer/NaiveBayesTrainer.java
* 
/mahout/trunk/core/src/test/java/org/apache/mahout/clustering/minhash/TestMinHashClustering.java
* 
/mahout/trunk/core/src/main/java/org/apache/mahout/math/hadoop/stochasticsvd/SSVDCli.java
* 
/mahout/trunk/core/src/main/java/org/apache/mahout/common/distance/MahalanobisDistanceMeasure.java
* 
/mahout/trunk/examples/src/main/java/org/apache/mahout/cf/taste/example/kddcup/track2/Track2Runner.java
* 
/mahout/trunk/core/src/main/java/org/apache/mahout/clustering/meanshift/MeanShiftCanopyDriver.java
* 
/mahout/trunk/integration/src/main/java/org/apache/mahout/text/SequenceFilesFromMailArchives.java
* 
/mahout/trunk/core/src/main/java/org/apache/mahout/fpm/pfpgrowth/FPGrowthDriver.java
* 
/mahout/trunk/integration/src/main/java/org/apache/mahout/utils/vectors/RowIdJob.java
* 
/mahout/trunk/core/src/main/java/org/apache/mahout/classifier/sgd/ModelSerializer.java
* 
/mahout/trunk/examples/src/main/java/org/apache/mahout/clustering/display/DisplayClustering.java
* 
/mahout/trunk/core/src/main/java/org/apache/mahout/clustering/fuzzykmeans/FuzzyKMeansDriver.java
* 
/mahout/trunk/integration/src/main/java/org/apache/mahout/utils/vectors/lucene/Driver.java
* 
/mahout/trunk/core/src/main/java/org/apache/mahout/vectorizer/tfidf/TFIDFConverter.java
* 
/mahout/trunk/core/src/test/java/org/apache/mahout/classifier/bayes/BayesClassifierSelfTest.java
* 
/mahout/trunk/integration/src/main/java/org/apache/mahout/utils/vectors/io/DelimitedTermInfoWriter.java
* 
/mahout/trunk/core/src/test/java/org/apache/mahout/clustering/spectral/common/TestVectorCache.java
* /mahout/trunk/core/src/main/java/org/apache/mahout/df/DecisionForest.java
* 
/mahout/trunk/core/src/main/java/org/apache/mahout/cf/taste/impl/common/jdbc/AbstractJDBCComponent.java
* 
/mahout/trunk/examples/src/main/java/org/apache/mahout/cf/taste/example/kddcup/ToCSV.java
* 
/mahout/trunk/integration/src/main/java/org/apache/mahout/text/SequenceFilesFromDirectory.java
* 
/mahout/trunk/integration/src/main/java/org/apache/mahout/clustering/evaluation/RepresentativePointsDriver.java
* 
/mahout/trunk/core/src/test/java/org/apache/mahout/vectorizer/collocations/llr/GramKeyTest.java
* 
/mahout/trunk/core/src/test/java/org/apache/mahout/vectorizer/DictionaryVectorizerTest.java
* 
/mahout/trunk/integration/src/main/java/org/apache/mahout/utils/vectors/arff/Driver.java
* 
/mahout/trunk/core/src/test/java/org/apache/mahout/clustering/kmeans/TestKmeansClustering.java
* 
/mahout/trunk/core/src/main/java/org/apache/mahout/common/iterator/FileLineIterator.java
* 
/mahout/trunk/core/src/test/java/org/apache/mahout/classifier/sgd/ModelSerializerTest.java
* 
/mahout/trunk/core/src/test/java/org/apache/mahout/math/hadoop/stochasticsvd/LocalSSVDSolverDenseTest.java
* 
/mahout/trunk/examples/src/main/java/org/apache/mahout/ga/watchmaker/cd/tool/CDInfosTool.java
* 
/mahout/trunk/examples/src/main/java/org/apache/mahout/classifier/sgd/TrainNewsGroups.java
* 
/mahout/trunk/core/src/test/java/org/apache/mahout/fpm/pfpgrowth/FPGrowthTest.java
* 
/mahout/trunk/core/src/main/java/org/apache/mahout/classifier/BayesFileFormatter.java
* 
/mahout/trunk/examples/src/main/java/org/apache/mahout/df/mapreduce/TestForest.java
* 
/mahout/trunk/core/src/test/java/org/apache/mahout/clustering/canopy/TestCanopyCreation.java
* 
/mahout/trunk/examples/src/main/java/org/apache/mahout/classifier/sgd/TrainLogistic.java
* 
/mahout/trunk/core/src/main/java/org/apache/mahout/clustering/kmeans/KMeansDriver.java
* 
/mahout/trunk/core/src/main/java/org/apache/mahout/clustering/canopy/CanopyDriver.java
* 
/mahout/trunk/integration/src/main/java/org/apache/mahout/utils/vectors/VectorDumper.java
* 
/mahout/trunk/core/src/test/java/org/apache/mahout/clustering/dirichlet/TestMapReduce.java
* 
/mahout/trunk/core/src/main/java/org/apache/mahout/common/iterator/sequencefile/SequenceFileValueIterator.java
* /mahout/trunk/core/src/main/java/org/apache/mahout/common/IOUtils.java
* 
/mahout/trunk/core/src/main/java/org/apache/mahout/math/hadoop/stochasticsvd/QJob.java
* 
/mahout/trunk/core/src/main/java/org/apache/mahout/vectorizer/DictionaryVectorizer.java
* 
/mahout/trunk/core/src/main/java/org/apache/mahout/df/mapreduce/partial/InterResults.java
* 
/mahout/trunk/core/src/main/java/org/apache/mahout/math/hadoop/decomposer/EigenVerificationJob.java
* 
/mahout/trunk/core/src/test/java/org/apache/mahout/fpm/pfpgrowth/PFPGrowthTest.java
* 
/mahout/trunk/integration/src/main/java/org/apache/mahout/utils/vectors/lucene/CachedTermInfo.java
* 
/mahout/trunk/core/src/main/java/org/apache/mahout/common/distance/WeightedDistanceMeasure.java
* 
/mahout/trunk/core/src/test/java/org/apache/mahout/df/mapreduce/partial/PartialBuilderTest.java
* 
/mahout/trunk/core/src/main/java/org/apache/mahout/math/hadoop/stochasticsvd/SSVDSolver.java
* 
/mahout/trunk/core/src/main/java/org/apache/mahout/clustering/kmeans/RandomSeedGenerator.java
* 
/mahout/trunk/core/src/main/java/org/apache/mahout/math/hadoop/TimesSquaredJob.java
* 
/mahout/trunk/examples/src/main/java/org/apache/mahout/ga/watchmaker/cd/hadoop/DatasetSplit.java
* 
/mahout/trunk/core/src/main/java/org/apache/mahout/math/hadoop/decomposer/HdfsBackedLanczosState.java
* 
/mahout/trunk/integration/src/main/java/org/apache/mahout/utils/vectors/lucene/ClusterLabels.java
* 
/mahout/trunk/core/src/test/java/org/apache/mahout/classifier/bayes/BayesFileFormatterTest.java
* 
/mahout/trunk/integration/src/main/java/org/apache/mahout/utils/vectors/io/SequenceFileVectorWriter.java
* 
/mahout/trunk/examples/src/test/java/org/apache/mahout/ga/watchmaker/cd/tool/CDInfosToolTest.java
* 
/mahout/trunk/core/src/main/java/org/apache/mahout/math/hadoop/decomposer/DistributedLanczosSolver.java
* 
/mahout/trunk/core/src/main/java/org/apache/mahout/vectorizer/term/TFPartialVectorReducer.java
* 
/mahout/trunk/integration/src/test/java/org/apache/mahout/utils/vectors/io/VectorWriterTest.java
* 
/mahout/trunk/integration/src/main/java/org/apache/mahout/utils/vectors/io/TextualVectorWriter.java
* 
/mahout/trunk/core/src/test/java/org/apache/mahout/math/hadoop/stochasticsvd/LocalSSVDSolverSparseSequentialTest.java
* 
/mahout/trunk/integration/src/main/java/org/apache/mahout/utils/SequenceFileDumper.java
* 
/mahout/trunk/integration/src/main/java/org/apache/mahout/clustering/lda/LDAPrintTopics.java
* 
/mahout/trunk/examples/src/main/java/org/apache/mahout/classifier/bayes/WikipediaXmlSplitter.java
* 
/mahout/trunk/core/src/main/java/org/apache/mahout/clustering/lda/LDADriver.java
* 
/mahout/trunk/core/src/test/java/org/apache/mahout/vectorizer/SparseVectorsFromSequenceFilesTest.java
* 
/mahout/trunk/core/src/test/java/org/apache/mahout/math/VectorWritableTest.java
* /mahout/trunk/core/src/main/java/org/apache/mahout/df/DFUtils.java
* /mahout/trunk/core/src/main/java/org/apache/mahout/df/data/Data.java
* 
/mahout/trunk/core/src/main/java/org/apache/mahout/vectorizer/collocations/llr/CollocMapper.java
* 
/mahout/trunk/core/src/main/java/org/apache/mahout/cf/taste/impl/model/file/FileDataModel.java
* /mahout/trunk/core/src/test/java/org/apache/mahout/df/data/Utils.java
* 
/mahout/trunk/core/src/main/java/org/apache/mahout/common/iterator/sequencefile/SequenceFileIterator.java
* /mahout/trunk/core/src/main/java/org/apache/mahout/df/data/Dataset.java
* 
/mahout/trunk/integration/src/main/java/org/apache/mahout/utils/clustering/ClusterDumper.java
* 
/mahout/trunk/core/src/main/java/org/apache/mahout/clustering/spectral/common/VectorCache.java
* 
/mahout/trunk/examples/src/main/java/org/apache/mahout/cf/taste/example/kddcup/DataFileIterator.java
* 
/mahout/trunk/examples/src/main/java/org/apache/mahout/cf/taste/example/kddcup/track1/svd/Track1SVDRunner.java
* 
/mahout/trunk/integration/src/test/java/org/apache/mahout/utils/vectors/csv/CSVVectorIteratorTest.java
* 
/mahout/trunk/examples/src/main/java/org/apache/mahout/classifier/sgd/LogisticModelParameters.java
* 
/mahout/trunk/core/src/test/java/org/apache/mahout/clustering/TestClusterClassifier.java
* 
/mahout/trunk/core/src/test/java/org/apache/mahout/df/mapreduce/partial/InterResultsTest.java
* 
/mahout/trunk/examples/src/main/java/org/apache/mahout/clustering/minhash/LastfmDataConverter.java
* 
/mahout/trunk/integration/src/main/java/org/apache/mahout/benchmark/VectorBenchmarks.java
* 
/mahout/trunk/examples/src/main/java/org/apache/mahout/cf/taste/example/kddcup/track1/Track1Runner.java
* 
/mahout/trunk/core/src/test/java/org/apache/mahout/cf/taste/impl/TasteTestCase.java
* 
/mahout/trunk/core/src/test/java/org/apache/mahout/vectorizer/DocumentProcessorTest.java
* 
/mahout/trunk/core/src/test/java/org/apache/mahout/clustering/fuzzykmeans/TestFuzzyKmeansClustering.java
* /mahout/trunk/core/src/main/java/org/apache/mahout/df/tools/UDistrib.java
* 
/mahout/trunk/core/src/main/java/org/apache/mahout/math/hadoop/stochasticsvd/BtJob.java
* 
/mahout/trunk/core/src/main/java/org/apache/mahout/ga/watchmaker/MahoutEvaluator.java
* 
/mahout/trunk/integration/src/test/java/org/apache/mahout/utils/vectors/lucene/LuceneIterableTest.java
* 
/mahout/trunk/core/src/test/java/org/apache/mahout/fpm/pfpgrowth/PFPGrowthRetailDataTest.java
* 
/mahout/trunk/examples/src/main/java/org/apache/mahout/clustering/display/DisplaySpectralKMeans.java
* 
/mahout/trunk/integration/src/main/java/org/apache/mahout/text/ChunkedWriter.java
* /mahout/trunk/core/src/main/java/org/apache/mahout/driver/MahoutDriver.java
* 
/mahout/trunk/examples/src/main/java/org/apache/mahout/classifier/bayes/XmlInputFormat.java
* 
/mahout/trunk/core/src/test/java/org/apache/mahout/clustering/ClusteringTestUtils.java
* 
/mahout/trunk/integration/src/test/java/org/apache/mahout/clustering/TestClusterDumper.java
* 
/mahout/trunk/examples/src/test/java/org/apache/mahout/classifier/bayes/SplitBayesInputTest.java
* 
/mahout/trunk/examples/src/main/java/org/apache/mahout/classifier/sgd/SimpleCsvExamples.java
* 
/mahout/trunk/core/src/main/java/org/apache/mahout/clustering/dirichlet/DirichletDriver.java
* 
/mahout/trunk/integration/src/test/java/org/apache/mahout/clustering/dirichlet/TestL1ModelClustering.java
* 
/mahout/trunk/examples/src/main/java/org/apache/mahout/classifier/sgd/PrintResourceOrFile.java
* 
/mahout/trunk/core/src/main/java/org/apache/mahout/clustering/ClusterIterator.java


> Small refactoring to broaden the use of Google Guava
> ----------------------------------------------------
>
>                 Key: MAHOUT-718
>                 URL: https://issues.apache.org/jira/browse/MAHOUT-718
>             Project: Mahout
>          Issue Type: Improvement
>    Affects Versions: 0.6
>            Reporter: Sebastian Schelter
>            Assignee: Sebastian Schelter
>             Fix For: 0.6
>
>         Attachments: MAHOUT-718.patch
>
>
> a little refactoring that introduces util classes to fetch the top k and min 
> k elements of a collection and broadens the use of Google Guava

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