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

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


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


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


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


    Tuple tuple = iterator.next();


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

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Examples of cascading.tuple.TupleListCollector

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


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


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


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


    Tuple tuple = iterator.next();


    assertEquals( "wrong tupel size", 1, tuple.size() );
    assertEquals( "not equal: tuple.get(0)", "foo\tbar", tuple.getObject( 0 ) );

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Examples of cascading.tuple.TupleListCollector

    {
    RegexParser splitter = new RegexParser( new Fields( "bar" ), "^GET /foo\\?bar=([^\\&]+)&" );
    Tuple arguments = new Tuple( "GET /foo?bar=z123&baz=2" );
    Fields resultFields = Fields.size( 1 );


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


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


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


    Tuple tuple = iterator.next();


    assertEquals( "wrong tuple size", 1, tuple.size() );
    assertEquals( "not equal: tuple.get(0)", "z123", tuple.getObject( 0 ) );

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Examples of cascading.tuple.TupleListCollector

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


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


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


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


    Tuple tuple = iterator.next();


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

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Examples of cascading.tuple.TupleListCollector

    {
    RegexParser splitter = new RegexParser( Fields.UNKNOWN, "(\\S+)\\s+(\\S+)", new int[]{1, 2} );
    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

    {
    RegexParser splitter = new RegexParser( "(\\S+)\\s+(\\S+)", new int[]{1, 2} );
    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

    {
    RegexParser splitter = new RegexParser( "(\\S+)\\s+(\\S+)" );
    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

      }
    }


  private Object evaluate( ExpressionFunction function, TupleEntry tupleEntry )
    {
    TupleListCollector tuples = invokeFunction( function, tupleEntry, function.getFieldDeclaration() );


    return tuples.entryIterator().next().getObject( 0 );
    }

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Examples of cascading.tuple.TupleListCollector

                                    new Tuple( new Double( 2.0 ) ), new Tuple( new Double( 4.0 ) ),
                                    new Tuple( new Double( -5.0 ) )};


    Fields resultFields = new Fields( "field" );


    TupleListCollector resultEntryCollector = invokeAggregator( aggregator, arguments, resultFields );


    Tuple tuple = resultEntryCollector.iterator().next();


    assertEquals( "got expected value after aggregate", 1.0, tuple.getDouble( 0 ), 0.0d );
    }

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Examples of cascading.tuple.TupleListCollector

                                    new Tuple( new Double( 2.0 ) ), new Tuple( new Double( 4.0 ) ),
                                    new Tuple( new Double( -5.0 ) )};


    Fields resultFields = new Fields( "field" );


    TupleListCollector resultEntryCollector = invokeAggregator( aggregator, arguments, resultFields );


    Tuple tuple = resultEntryCollector.iterator().next();


    assertEquals( "got expected value after aggregate", 5, tuple.getInteger( 0 ) );
    }

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