TestFrequencyCountResourceTest.java

/*
 * Copyright 2011
 * Ubiquitous Knowledge Processing (UKP) Lab
 * Technische Universität Darmstadt
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package de.tudarmstadt.ukp.dkpro.core.api.frequency;

import static org.apache.uima.fit.factory.AnalysisEngineFactory.createEngine;
import static org.apache.uima.fit.factory.AnalysisEngineFactory.createEngineDescription;
import static org.apache.uima.fit.factory.ExternalResourceFactory.createExternalResourceDescription;

import org.apache.uima.analysis_engine.AnalysisEngine;
import org.apache.uima.analysis_engine.AnalysisEngineDescription;
import org.apache.uima.analysis_engine.AnalysisEngineProcessException;
import org.apache.uima.fit.component.JCasAnnotator_ImplBase;
import org.apache.uima.fit.descriptor.ExternalResource;
import org.apache.uima.jcas.JCas;
import org.junit.Test;

import de.tudarmstadt.ukp.dkpro.core.api.frequency.provider.FrequencyCountProvider;

public class TestFrequencyCountResourceTest
{
    public static class Annotator extends JCasAnnotator_ImplBase {
        final static String FREQUENCY_COUNT_RESOURCE= "FrequencyCountResource";
        @ExternalResource(key = FREQUENCY_COUNT_RESOURCE)
        private FrequencyCountProvider provider;

        @Override
        public void process(JCas aJCas)
            throws AnalysisEngineProcessException
        {
            try {
                System.out.println(provider.getNrOfDistinctNgrams(1));
                System.out.println(provider.getFrequency("aa"));
            }
            catch (Exception e) {
                throw new AnalysisEngineProcessException(e);
            }
        }
    }

    @Test
    public void configureAggregatedExample() throws Exception {
        AnalysisEngineDescription desc = createEngineDescription(Annotator.class,
        		Annotator.FREQUENCY_COUNT_RESOURCE, createExternalResourceDescription(
        				TestFrequencyCountResource.class,
                        TestFrequencyCountResource.PARAM_SCALE_DOWN_FACTOR, "10"));

        // Check the external resource was injected
        AnalysisEngine ae = createEngine(desc);
        ae.process(ae.newJCas());
    }
}