Pipe pipeLadiesAndGentlemen = new CoGroup(pipeLadies, Fields.NONE, pipeGentlemen, Fields.NONE, new BufferJoin());
Pipe pipeLadiesAndGentlemen = new CoGroup(pipeLadies, Fields.NONE, pipeGentlemen, Fields.NONE, new Fields("lady", "gentleman"), new BufferJoin());
protected void init(Pipe[] pipes, Fields[] groupFields, Fields groupRename, MultiBuffer operation) { Fields outputFields = groupRename.append(operation.getResultFields()); Pipe grouped = new CoGroup(pipes, groupFields, null, null, new BufferJoin()); grouped = new Every(grouped, new MultiBufferOperation(groupRename, operation), outputFields ); grouped = new Retain(grouped, outputFields ); setTails(grouped); } }
Pipe pipeUpper = new Each( new Pipe( "upper" ), new Fields( "line" ), splitter ); Pipe splice = new CoGroup( pipeLower, new Fields( "num" ), pipeUpper, new Fields( "num" ), new BufferJoin() );
Pipe pipeUpper = new Each( new Pipe( "upper" ), new Fields( "line" ), splitter ); Pipe splice = new CoGroup( pipeLower, new Fields( "num" ), pipeUpper, new Fields( "num" ), new BufferJoin() );
@Test public void testJoinerClosure() throws Exception { getPlatform().copyFromLocal( inputFileLower ); getPlatform().copyFromLocal( inputFileUpper ); Tap sourceLower = getPlatform().getTextFile( new Fields( "offset", "line" ), inputFileLower ); Tap sourceUpper = getPlatform().getTextFile( new Fields( "offset", "line" ), inputFileUpper ); Map sources = new HashMap(); sources.put( "lower", sourceLower ); sources.put( "upper", sourceUpper ); Tap sink = getPlatform().getTextFile( new Fields( "line" ), getOutputPath( "cogroup" ), SinkMode.REPLACE ); Function splitter = new RegexSplitter( new Fields( "num", "char" ), " " ); Pipe pipeLower = new Each( new Pipe( "lower" ), new Fields( "line" ), splitter ); Pipe pipeUpper = new Each( new Pipe( "upper" ), new Fields( "line" ), splitter ); Pipe splice = new CoGroup( pipeLower, new Fields( "num" ), pipeUpper, new Fields( "num" ), new BufferJoin() ); splice = new Every( splice, new InnerJoinTestBuffer( Fields.size( 4 ) ), Fields.RESULTS ); Flow flow = getPlatform().getFlowConnector().connect( sources, sink, splice ); flow.complete(); validateLength( flow, 5 ); List<Tuple> values = getSinkAsList( flow ); assertTrue( values.contains( new Tuple( "1\ta\t1\tA" ) ) ); assertTrue( values.contains( new Tuple( "2\tb\t2\tB" ) ) ); }
@Test public void testJoinerClosure() throws Exception { getPlatform().copyFromLocal( inputFileLower ); getPlatform().copyFromLocal( inputFileUpper ); Tap sourceLower = getPlatform().getTextFile( new Fields( "offset", "line" ), inputFileLower ); Tap sourceUpper = getPlatform().getTextFile( new Fields( "offset", "line" ), inputFileUpper ); Map sources = new HashMap(); sources.put( "lower", sourceLower ); sources.put( "upper", sourceUpper ); Tap sink = getPlatform().getTextFile( new Fields( "line" ), getOutputPath( "cogroup" ), SinkMode.REPLACE ); Function splitter = new RegexSplitter( new Fields( "num", "char" ), " " ); Pipe pipeLower = new Each( new Pipe( "lower" ), new Fields( "line" ), splitter ); Pipe pipeUpper = new Each( new Pipe( "upper" ), new Fields( "line" ), splitter ); Pipe splice = new CoGroup( pipeLower, new Fields( "num" ), pipeUpper, new Fields( "num" ), new BufferJoin() ); splice = new Every( splice, new InnerJoinTestBuffer( Fields.size( 4 ) ), Fields.RESULTS ); Flow flow = getPlatform().getFlowConnector().connect( sources, sink, splice ); flow.complete(); validateLength( flow, 5 ); List<Tuple> values = getSinkAsList( flow ); assertTrue( values.contains( new Tuple( "1\ta\t1\tA" ) ) ); assertTrue( values.contains( new Tuple( "2\tb\t2\tB" ) ) ); }