Examples of TupleListCollector

cascading.tuple.TupleListCollector
TupleEntryCollector is a convenience class for managing a list of tuples. More specifically it can simultaneously append and modify in place elements of the list through the use of a ListIterator.

Examples of cascading.tuple.TupleListCollector

    ClusteringFunction clusteringFunction = new ClusteringFunction( clusteringSpec );


//    TupleEntry tupleArguments = new TupleEntry( expectedFields, new Tuple( 6.9d, 3.1d, 4.9d, 1.5d ) );
    TupleEntry tupleArguments = new TupleEntry( expectedFields, new Tuple( 6.4d, 3.1d, 5.5d, 1.8d ) );


    TupleListCollector collector = invokeFunction( clusteringFunction, tupleArguments, predictedFields );


//    assertEquals( new Tuple( "2" ), collector.entryIterator().next().getTuple() );
    assertEquals( new Tuple( "3" ), collector.entryIterator().next().getTuple() );
    }

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Examples of cascading.tuple.TupleListCollector


    TreeFunction treeFunction = new TreeFunction( treeSpec );


    TupleEntry tupleArguments = new TupleEntry( expectedFields, new Tuple( 0d, 1d, 0d ) );


    TupleListCollector collector = invokeFunction( treeFunction, tupleArguments, predictedFields );


    assertEquals( new Tuple( "1" ), collector.entryIterator().next().getTuple() );
    }

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Examples of cascading.tuple.TupleListCollector


    PredictionRegressionFunction regressionFunction = new PredictionRegressionFunction( regressionSpec );


    TupleEntry tupleArguments = new TupleEntry( expectedFields, new Tuple( 5.1d, 3.8d, 1.6d, 0.2d ) );


    TupleListCollector collector = invokeFunction( regressionFunction, tupleArguments, predictedFields );


    assertEquals( 1.0d, collector.entryIterator().next().getTuple().getDouble( 0 ), 0.00001d );
    }

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Examples of cascading.tuple.TupleListCollector


    PredictionRegressionFunction regressionFunction = new PredictionRegressionFunction( regressionSpec );


    TupleEntry tupleArguments = new TupleEntry( expectedFields, new Tuple( 3d, 1.3d, 0.2d, "setosa" ) );


    TupleListCollector collector = invokeFunction( regressionFunction, tupleArguments, predictedFields );


    assertEquals( new Tuple( 4.70048473693065d ), collector.entryIterator().next().getTuple() );
    }

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Examples of cascading.tuple.TupleListCollector

    CategoricalRegressionFunction regressionFunction = new CategoricalRegressionFunction( regressionSpec );


    {
    TupleEntry tupleArguments = new TupleEntry( expectedFields, new Tuple( 7d, 3.2d, 4.7d, 1.4d ) );


    TupleListCollector collector = invokeFunction( regressionFunction, tupleArguments, modelSchema.getDeclaredFields() );


    assertEquals( "versicolor", collector.entryIterator().next().getTuple().getObject( 0 ) );
    }


    {
    TupleEntry tupleArguments = new TupleEntry( expectedFields, new Tuple( 5.8d, 4d, 1.2d, 0.2d ) );


    TupleListCollector collector = invokeFunction( regressionFunction, tupleArguments, modelSchema.getDeclaredFields() );


    assertEquals( "setosa", collector.entryIterator().next().getTuple().getObject( 0 ) );
    }
    }

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Examples of cascading.tuple.TupleListCollector

    {
    RegexSplitter splitter = new RegexSplitter( "\t" );
    Tuple arguments = new Tuple( "foo\tbar" );
    Fields resultFields = Fields.UNKNOWN;


    TupleListCollector collector = invokeFunction( splitter, arguments, resultFields );


    assertEquals( "wrong size", 1, collector.size() );


    Iterator<Tuple> iterator = collector.iterator();


    Tuple tuple = iterator.next();


    assertEquals( "not equal: tuple.get(0)", "foo", tuple.getObject( 0 ) );
    assertEquals( "not equal: tuple.get(1)", "bar", tuple.getObject( 1 ) );

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Examples of cascading.tuple.TupleListCollector

    {
    RegexSplitGenerator splitter = new RegexSplitGenerator( new Fields( "word" ), "\\s+" );
    Tuple arguments = new Tuple( "foo\t  bar" );
    Fields resultFields = new Fields( "field" );


    TupleListCollector collector = invokeFunction( splitter, arguments, resultFields );


    assertEquals( "wrong size", 2, collector.size() );


    Iterator<Tuple> iterator = collector.iterator();


    assertEquals( "not equal: iterator.next().get(0)", "foo", iterator.next().getObject( 0 ) );
    assertEquals( "not equal: iterator.next().get(0)", "bar", iterator.next().getObject( 0 ) );
    }

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Examples of cascading.tuple.TupleListCollector

    {
    RegexReplace splitter = new RegexReplace( new Fields( "words" ), "\\s+", "-", true );
    Tuple arguments = new Tuple( "foo\t bar" );
    Fields resultFields = Fields.UNKNOWN;


    TupleListCollector collector = invokeFunction( splitter, arguments, resultFields );


    assertEquals( "wrong size", 1, collector.size() );


    Iterator<Tuple> iterator = collector.iterator();


    Tuple tuple = iterator.next();


    assertEquals( "not equal: tuple.get(0)", "foo-bar", tuple.getObject( 0 ) );
    }

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Examples of cascading.tuple.TupleListCollector

    {
    RegexParser splitter = new RegexParser( new Fields( "lhs", "rhs" ), "(\\S+)\\s+(\\S+)", new int[]{1, 2} );
    Tuple arguments = new Tuple( "foo\tbar" );
    Fields resultFields = Fields.size( 2 );


    TupleListCollector collector = invokeFunction( splitter, arguments, resultFields );


    assertEquals( "wrong size", 1, collector.size() );


    Iterator<Tuple> iterator = collector.iterator();


    Tuple tuple = iterator.next();


    assertEquals( "not equal: tuple.get(0)", "foo", tuple.getObject( 0 ) );
    assertEquals( "not equal: tuple.get(1)", "bar", tuple.getObject( 1 ) );

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Examples of cascading.tuple.TupleListCollector

    {
    RegexParser splitter = new RegexParser( new Fields( "lhs", "rhs" ), "(\\S+)\\s+(\\S+)" );
    Tuple arguments = new Tuple( "foo\tbar" );
    Fields resultFields = Fields.size( 2 );


    TupleListCollector collector = invokeFunction( splitter, arguments, resultFields );


    assertEquals( "wrong size", 1, collector.size() );


    Iterator<Tuple> iterator = collector.iterator();


    Tuple tuple = iterator.next();


    assertEquals( "not equal: tuple.get(0)", "foo", tuple.getObject( 0 ) );
    assertEquals( "not equal: tuple.get(1)", "bar", tuple.getObject( 1 ) );

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