Examples of org.apache.uima.fit.factory.AggregateBuilder

org.apache.uima.fit.factory.AggregateBuilder

This builder makes it easier to create an aggregate analysis engine. A typical use-case would involve initializing this builder with your preferred type system and type priorities (the latter may be null). This is followed by adding analysis engine descriptions one at a time until done. This makes it easy to have runtime decisions determine how the aggregate engine should be built. Finally, one of the create methods are called and an AnalysisEngine or AnalysisEngineDescription is returned.

This is an example taken from our test cases:

 import static org.apache.uima.fit.factory.AnalysisEngineFactory.createPrimitiveDescription; AggregateBuilder builder = new AggregateBuilder(); builder.add(createPrimitiveDescription(Annotator1.class, typeSystemDescription), ViewNames.PARENTHESES_VIEW, "A"); builder.add(createPrimitiveDescription(Annotator2.class, typeSystemDescription), ViewNames.SORTED_VIEW, "B", ViewNames.SORTED_PARENTHESES_VIEW, "C", ViewNames.PARENTHESES_VIEW, "A"); builder.add(createPrimitiveDescription(Annotator3.class, typeSystemDescription), ViewNames.INITIAL_VIEW, "B"); AnalysisEngine aggregateEngine = builder.createAggregate();

          SemEvalCorpusReader.PARAM_INPUT_FILE, DATASET_DIR + "/test/STS.input." + dataset.toString() + ".txt",
          SemEvalCorpusReader.PARAM_COMBINATION_STRATEGY, CombinationStrategy.SAME_ROW_ONLY.toString());
      
      AnalysisEngineDescription seg = createEngineDescription(BreakIteratorSegmenter.class);
      
      AggregateBuilder builder = new AggregateBuilder();
      builder.add(seg, CombinationReader.INITIAL_VIEW, CombinationReader.VIEW_1);
      builder.add(seg, CombinationReader.INITIAL_VIEW, CombinationReader.VIEW_2);
      AnalysisEngine aggr_seg = builder.createAggregate();
  
      AnalysisEngine scorer = createEngine(SimilarityScorer.class,
            SimilarityScorer.PARAM_NAME_VIEW_1, CombinationReader.VIEW_1,
            SimilarityScorer.PARAM_NAME_VIEW_2, CombinationReader.VIEW_2,
            SimilarityScorer.PARAM_SEGMENT_FEATURE_PATH, Document.class.getName(),

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                   RTECorpusReader.PARAM_INPUT_FILE, RteUtil.getInputFilePathForDataset(DATASET_DIR, dataset));
    
        // Tokenization
        AnalysisEngineDescription seg = createEngineDescription(
            BreakIteratorSegmenter.class);
        AggregateBuilder builder = new AggregateBuilder();
        builder.add(seg, CombinationReader.INITIAL_VIEW, CombinationReader.VIEW_1);
        builder.add(seg, CombinationReader.INITIAL_VIEW, CombinationReader.VIEW_2);
        AnalysisEngine aggr_seg = builder.createAggregate();
        
        // POS Tagging
        AnalysisEngineDescription pos = createEngineDescription(
            OpenNlpPosTagger.class,
            OpenNlpPosTagger.PARAM_LANGUAGE, "en");    
        builder = new AggregateBuilder();
        builder.add(pos, CombinationReader.INITIAL_VIEW, CombinationReader.VIEW_1);
        builder.add(pos, CombinationReader.INITIAL_VIEW, CombinationReader.VIEW_2);
        AnalysisEngine aggr_pos = builder.createAggregate();
        
        // Lemmatization
        AnalysisEngineDescription lem = createEngineDescription(
            GateLemmatizer.class);
        builder = new AggregateBuilder();
        builder.add(lem, CombinationReader.INITIAL_VIEW, CombinationReader.VIEW_1);
        builder.add(lem, CombinationReader.INITIAL_VIEW, CombinationReader.VIEW_2);
        AnalysisEngine aggr_lem = builder.createAggregate();
        
        // Stopword Filter (if applicable)
        AnalysisEngineDescription stopw = createEngineDescription(
            StopwordFilter.class,
            StopwordFilter.PARAM_STOPWORD_LIST, "classpath:/stopwords/stopwords_english_punctuation.txt",
            StopwordFilter.PARAM_ANNOTATION_TYPE_NAME, Lemma.class.getName(),
            StopwordFilter.PARAM_STRING_REPRESENTATION_METHOD_NAME, "getValue");
        builder = new AggregateBuilder();
        builder.add(stopw, CombinationReader.INITIAL_VIEW, CombinationReader.VIEW_1);
        builder.add(stopw, CombinationReader.INITIAL_VIEW, CombinationReader.VIEW_2);
        AnalysisEngine aggr_stopw = builder.createAggregate();
    
        // Similarity Scorer
        AnalysisEngine scorer = createEngine(SimilarityScorer.class,
            SimilarityScorer.PARAM_NAME_VIEW_1, CombinationReader.VIEW_1,
            SimilarityScorer.PARAM_NAME_VIEW_2, CombinationReader.VIEW_2,

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            SemEvalCorpusReader.PARAM_COMBINATION_STRATEGY, CombinationStrategy.SAME_ROW_ONLY.toString());
    
        // Tokenization
        AnalysisEngineDescription seg = createEngineDescription(
            BreakIteratorSegmenter.class);
        AggregateBuilder builder = new AggregateBuilder();
        builder.add(seg, CombinationReader.INITIAL_VIEW, CombinationReader.VIEW_1);
        builder.add(seg, CombinationReader.INITIAL_VIEW, CombinationReader.VIEW_2);
        AnalysisEngine aggr_seg = builder.createAggregate();
        
        // POS Tagging
        AnalysisEngineDescription pos = createEngineDescription(
            OpenNlpPosTagger.class,
            OpenNlpPosTagger.PARAM_LANGUAGE, "en");    
        builder = new AggregateBuilder();
        builder.add(pos, CombinationReader.INITIAL_VIEW, CombinationReader.VIEW_1);
        builder.add(pos, CombinationReader.INITIAL_VIEW, CombinationReader.VIEW_2);
        AnalysisEngine aggr_pos = builder.createAggregate();
        
        // Lemmatization
        AnalysisEngineDescription lem = createEngineDescription(
//            StanfordLemmatizer.class);
            GateLemmatizer.class);
        builder = new AggregateBuilder();
        builder.add(lem, CombinationReader.INITIAL_VIEW, CombinationReader.VIEW_1);
        builder.add(lem, CombinationReader.INITIAL_VIEW, CombinationReader.VIEW_2);
        AnalysisEngine aggr_lem = builder.createAggregate();
        
        // Stopword Filter (if applicable)
        AnalysisEngineDescription stopw = createEngineDescription(
            StopwordFilter.class,
            StopwordFilter.PARAM_STOPWORD_LIST, "classpath:/stopwords/stopwords_english_punctuation.txt",
            StopwordFilter.PARAM_ANNOTATION_TYPE_NAME, Lemma.class.getName(),
            StopwordFilter.PARAM_STRING_REPRESENTATION_METHOD_NAME, "getValue");
        builder = new AggregateBuilder();
        builder.add(stopw, CombinationReader.INITIAL_VIEW, CombinationReader.VIEW_1);
        builder.add(stopw, CombinationReader.INITIAL_VIEW, CombinationReader.VIEW_2);
        AnalysisEngine aggr_stopw = builder.createAggregate();
    
        // Similarity Scorer
        AnalysisEngine scorer = createEngine(SimilarityScorer.class,
            SimilarityScorer.PARAM_NAME_VIEW_1, CombinationReader.VIEW_1,
            SimilarityScorer.PARAM_NAME_VIEW_2, CombinationReader.VIEW_2,

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    ruta.getAnalysisEngineMetaData()
            .getTypeSystem()
            .addType("org.apache.uima.T1", "Type for Testing", "uima.tcas.Annotation");


    final AggregateBuilder builder = new AggregateBuilder();
    builder.add(ruta, "_InitialView", "text");


    return builder.createAggregate();
  }

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