Examples with ISourceOperator edu.uci.ics.texera.api.dataflow.ISourceOperator used on opensource projects

Example 1 with ISourceOperator

use of edu.uci.ics.texera.api.dataflow.ISourceOperator in project textdb by TextDB.

the class NlpExtractorPerformanceTest method matchNLP.

/*
     * This function does match based on tokenType
     */
public static void matchNLP(String tableName, NlpEntityType tokenType) throws Exception {
    List<String> attributeNames = Arrays.asList(MedlineIndexWriter.ABSTRACT);
    ISourceOperator sourceOperator = new ScanBasedSourceOperator(new ScanSourcePredicate(tableName));
    NlpEntityPredicate nlpEntityPredicate = new NlpEntityPredicate(tokenType, attributeNames, SchemaConstants.SPAN_LIST);
    NlpEntityOperator nlpEntityOperator = new NlpEntityOperator(nlpEntityPredicate);
    nlpEntityOperator.setInputOperator(sourceOperator);
    long startMatchTime = System.currentTimeMillis();
    nlpEntityOperator.open();
    Tuple nextTuple = null;
    int counter = 0;
    while ((nextTuple = nlpEntityOperator.getNextTuple()) != null) {
        ListField<Span> spanListField = nextTuple.getField(SchemaConstants.SPAN_LIST);
        List<Span> spanList = spanListField.getValue();
        counter += spanList.size();
    }
    nlpEntityOperator.close();
    long endMatchTime = System.currentTimeMillis();
    double matchTime = (endMatchTime - startMatchTime) / 1000.0;
    totalMatchingTime += matchTime;
    totalResults += counter;
}