Java Code Examples for de.tudarmstadt.ukp.dkpro.core.api.syntax.type.dependency.Dependency#setGovernor()

@Test
public void testDependencyWithValues() throws Exception 
{
    JCas jcas = makeJCasOneSentence();
    
    List<Token> tokens = new ArrayList<>(select(jcas, Token.class));
    Token t1 = tokens.get(0);
    Token t2 = tokens.get(1);
    
    POS p1 = new POS(jcas, t1.getBegin(), t1.getEnd());
    p1.setPosValue("POS1");
    p1.addToIndexes();
    t1.setPos(p1);

    POS p2 = new POS(jcas, t2.getBegin(), t2.getEnd());
    p2.setPosValue("POS2");
    p2.addToIndexes();
    t2.setPos(p2);
    
    Dependency dep1 = new Dependency(jcas);
    dep1.setGovernor(t1);
    dep1.setDependent(t2);
    // WebAnno legacy conventions
    // dep1.setBegin(min(dep1.getDependent().getBegin(), dep1.getGovernor().getBegin()));
    // dep1.setEnd(max(dep1.getDependent().getEnd(), dep1.getGovernor().getEnd()));
    // DKPro Core conventions
    dep1.setBegin(dep1.getDependent().getBegin());
    dep1.setEnd(dep1.getDependent().getEnd());
    dep1.addToIndexes();
    
    writeAndAssertEquals(jcas, 
            WebannoTsv3Writer.PARAM_SPAN_LAYERS, asList(POS.class),
            WebannoTsv3Writer.PARAM_RELATION_LAYERS, asList(Dependency.class));
}
 

@Test
public void testRelation() throws Exception
{
    // Create test document
    JCas cas = makeJCasOneSentence("This is a test .");
    List<Token> tokens = new ArrayList<>(select(cas, Token.class));
    Dependency dep = new Dependency(cas);
    dep.setGovernor(tokens.get(0));
    dep.setDependent(tokens.get(1));
    dep.setDependencyType("dep");
    dep.setBegin(dep.getDependent().getBegin());
    dep.setEnd(dep.getDependent().getEnd());
    dep.addToIndexes();
    
    // Set up TSV schema
    TsvSchema schema = new TsvSchema();
    Type dependencyType = cas.getCasType(Dependency.type);
    schema.addColumn(new TsvColumn(dependencyType, LayerType.RELATION, "DependencyType",
            FeatureType.PRIMITIVE));
    schema.addColumn(new TsvColumn(dependencyType, LayerType.RELATION, "Governor",
            FeatureType.RELATION_REF));

    // Convert test document content to TSV model
    TsvDocument doc = Tsv3XCasDocumentBuilder.of(schema, cas);
    doc.getSentences().get(0).getTokens().get(1).addUimaAnnotation(dep, false);

    assertEquals(
            join(asList("1-1\t0-4\tThis\t_\t_\t", "1-2\t5-7\tis\tdep\t1-1\t"), "\n"),
            join(asList(doc.getToken(0, 0), doc.getToken(0, 1)), "\n"));
    
    String expectedSentence = 
            "#Text=This is a test .\n" + 
            "1-1\t0-4\tThis\t_\t_\t\n" + 
            "1-2\t5-7\tis\tdep\t1-1\t\n" + 
            "1-3\t8-9\ta\t_\t_\t\n" + 
            "1-4\t10-14\ttest\t_\t_\t\n" + 
            "1-5\t15-16\t.\t_\t_\t\n";
    assertEquals(expectedSentence, doc.getSentences().get(0).toString());
}
 

@Test
public void test()
    throws Exception
{
    JCas jcas = JCasFactory.createJCas();

    jcas.setDocumentText("This is a test.");
    
    Token span1 = new Token(jcas, 0, 4);
    span1.addToIndexes();
    
    Token span2 = new Token(jcas, 6, 8);
    
    Dependency dep = new Dependency(jcas, 0, 8);
    dep.setGovernor(span1);
    dep.setDependent(span2);
    dep.addToIndexes();
    
    List<LogMessage> messages = new ArrayList<>();
    CasDoctor cd = new CasDoctor(RemoveDanglingRelationsRepair.class,
            AllFeatureStructuresIndexedCheck.class);
    // A project is not required for this check
    boolean result = cd.analyze(null, jcas.getCas(), messages);
    // A project is not required for this repair
    cd.repair(null, jcas.getCas(), messages);
    
    assertFalse(result);
    
    messages.forEach(System.out::println);
}
 

@Test
public void testDependencyRelation() throws Exception
{
    // Set up document with a dummy dependency relation
    jcas.setDocumentText("a b");
    Token t1 = new Token(jcas, 0, 1);
    t1.addToIndexes();
    
    POS p1 = new POS(jcas, t1.getBegin(), t1.getEnd());
    p1.setPosValue("A");
    t1.setPos(p1);
    p1.addToIndexes();

    Token t2 = new Token(jcas, 2, 3);
    t2.addToIndexes();

    POS p2 = new POS(jcas, t2.getBegin(), t2.getEnd());
    p2.setPosValue("B");
    t2.setPos(p2);
    p2.addToIndexes();
    
    Dependency d1 = new Dependency(jcas, t2.getBegin(), t2.getEnd());
    d1.setDependent(t2);
    d1.setGovernor(t1);
    d1.addToIndexes();
    
    // Set up annotation schema with POS and Dependency
    AnnotationLayer tokenLayer = new AnnotationLayer(Token.class.getName(), "Token",
            SPAN_TYPE, project, true, SINGLE_TOKEN, NO_OVERLAP);
    tokenLayer.setId(1l);
    AnnotationFeature tokenLayerPos = new AnnotationFeature(1l, tokenLayer, "pos",
            POS.class.getName());
    
    AnnotationLayer posLayer = new AnnotationLayer(POS.class.getName(), "POS",
            SPAN_TYPE, project, true, SINGLE_TOKEN, NO_OVERLAP);
    posLayer.setId(2l);
    AnnotationFeature posLayerValue = new AnnotationFeature(1l, posLayer, "PosValue",
            CAS.TYPE_NAME_STRING);
    
    AnnotationLayer depLayer = new AnnotationLayer(Dependency.class.getName(),
            "Dependency", RELATION_TYPE, project, true, SINGLE_TOKEN, NO_OVERLAP);
    depLayer.setId(3l);
    depLayer.setAttachType(tokenLayer);
    depLayer.setAttachFeature(tokenLayerPos);
    AnnotationFeature dependencyLayerGovernor = new AnnotationFeature(2l, depLayer,
            "Governor", Token.class.getName());
    AnnotationFeature dependencyLayerDependent = new AnnotationFeature(3l, depLayer,
            "Dependent", Token.class.getName());
        
    when(annotationSchemaService.listAnnotationLayer(any(Project.class)))
            .thenReturn(asList(tokenLayer, posLayer, depLayer));

    when(annotationSchemaService.getAdapter(posLayer)).thenReturn(new SpanAdapter(
        layerSupportRegistry, featureSupportRegistry, null, posLayer, 
        () -> asList(posLayerValue), null));

    when(annotationSchemaService.getAdapter(depLayer))
            .thenReturn(new RelationAdapter(
                layerSupportRegistry, featureSupportRegistry, null, depLayer,
                FEAT_REL_TARGET, FEAT_REL_SOURCE,
                () -> asList(dependencyLayerGovernor, dependencyLayerDependent),
                emptyList()));

    MtasUimaParser sut = new MtasUimaParser(
            asList(tokenLayerPos, posLayerValue, dependencyLayerGovernor,
                    dependencyLayerDependent),
            annotationSchemaService, featureIndexingSupportRegistry);
    MtasTokenCollection tc = sut.createTokenCollection(jcas.getCas());
    
    MtasUtils.print(tc);
    
    List<MtasToken> tokens = new ArrayList<>();
    tc.iterator().forEachRemaining(tokens::add);

    assertThat(tokens)
        .filteredOn(t -> t.getPrefix().startsWith("Dependency"))
        .extracting(t -> t.getPrefix() + "=" + t.getPostfix())
        .containsExactly(
                "Dependency=b", 
                "Dependency-source=a", 
                "Dependency-source.PosValue=A",
                "Dependency-target=b", 
                "Dependency-target.PosValue=B");
}
 

/**
 * add dependency parsing to CAS
 */
private void createDependency(JCas aJCas, Map<Integer, String> tokens,
        Map<Integer, String> dependencyFunction, Map<Integer, Integer> dependencyDependent,
        Map<String, Token> tokensStored)
{
    for (int i = 1; i <= tokens.size(); i++) {
        if (dependencyFunction.get(i) != null) {
            Dependency outDependency = new Dependency(aJCas);
            outDependency.setDependencyType(dependencyFunction.get(i));

            // if span A has (start,end)= (20, 26) and B has (start,end)= (30, 36)
            // arc drawn from A to B, dependency will have (start, end) = (20, 36)
            // arc drawn from B to A, still dependency will have (start, end) = (20, 36)
            int begin = 0, end = 0;
            // if not ROOT
            if (dependencyDependent.get(i) != 0) {
                begin = tokensStored.get("t_" + i).getBegin() > tokensStored.get(
                        "t_" + dependencyDependent.get(i)).getBegin() ? tokensStored.get(
                        "t_" + dependencyDependent.get(i)).getBegin() : tokensStored.get(
                        "t_" + i).getBegin();
                end = tokensStored.get("t_" + i).getEnd() < tokensStored.get(
                        "t_" + dependencyDependent.get(i)).getEnd() ? tokensStored.get(
                        "t_" + dependencyDependent.get(i)).getEnd() : tokensStored
                        .get("t_" + i).getEnd();
            }
            else {
                begin = tokensStored.get("t_" + i).getBegin();
                end = tokensStored.get("t_" + i).getEnd();
            }

            outDependency.setBegin(begin);
            outDependency.setEnd(end);
            outDependency.setDependent(tokensStored.get("t_" + i));
            if (dependencyDependent.get(i) == 0) {
                outDependency.setGovernor(tokensStored.get("t_" + i));
            }
            else {
                outDependency.setGovernor(tokensStored.get("t_" + dependencyDependent.get(i)));
            }
            outDependency.addToIndexes();
        }
    }
}
 

@Test
public void testFail() throws Exception
{

    AnnotationLayer relationLayer = new AnnotationLayer();
    relationLayer.setName(Dependency.class.getName());

    relationLayer.setType(WebAnnoConst.RELATION_TYPE);
    Mockito.when(annotationService.listAnnotationLayer(Mockito.isNull()))
            .thenReturn(Arrays.asList(relationLayer));

    JCas jcas = JCasFactory.createJCas();

    jcas.setDocumentText("This is a test.");

    Token spanThis = new Token(jcas, 0, 4);
    spanThis.addToIndexes();

    Token spanIs = new Token(jcas, 5, 7);
    spanIs.addToIndexes();

    Token spanA = new Token(jcas, 8, 9);
    spanA.addToIndexes();

    Dependency dep1 = new Dependency(jcas, 0, 7);
    dep1.setGovernor(spanThis);
    dep1.setDependent(spanIs);
    dep1.addToIndexes();

    Dependency dep2 = new Dependency(jcas, 0, 9);
    dep2.setGovernor(spanA);
    dep2.setDependent(spanIs);
    dep2.addToIndexes();

    List<LogMessage> messages = new ArrayList<>();

    boolean result = check.check(null, jcas.getCas(), messages);

    messages.forEach(System.out::println);

    assertTrue(result);

    // also check the message itself
    assertEquals(1, messages.size());
    assertEquals(
            "[NoMultipleIncomingRelationsCheck] Relation [This] -> [is] points to span that already has an incoming relation [a] -> [is].",
            messages.get(0).toString());

}
 

@Test
public void testOK() throws Exception
{
    AnnotationLayer relationLayer = new AnnotationLayer();
    relationLayer.setName(Dependency.class.getName());

    relationLayer.setType(WebAnnoConst.RELATION_TYPE);
    Mockito.when(annotationService.listAnnotationLayer(Mockito.isNull()))
            .thenReturn(Arrays.asList(relationLayer));

    JCas jcas = JCasFactory.createJCas();

    jcas.setDocumentText("This is a test.");

    Token spanThis = new Token(jcas, 0, 4);
    spanThis.addToIndexes();

    Token spanIs = new Token(jcas, 6, 8);
    spanIs.addToIndexes();

    Token spanA = new Token(jcas, 9, 10);
    spanA.addToIndexes();

    Dependency dep1 = new Dependency(jcas, 0, 8);
    dep1.setGovernor(spanThis);
    dep1.setDependent(spanIs);
    dep1.addToIndexes();

    Dependency dep2 = new Dependency(jcas, 6, 10);
    dep2.setGovernor(spanIs);
    dep2.setDependent(spanA);
    dep2.addToIndexes();

    List<LogMessage> messages = new ArrayList<>();

    boolean result = check.check(null, jcas.getCas(), messages);

    messages.forEach(System.out::println);

    assertTrue(result);
}
 

@Test
public void testOkBecauseCoref() throws Exception
{

    AnnotationLayer relationLayer = new AnnotationLayer();
    relationLayer.setName(CoreferenceChain.class.getName());

    relationLayer.setType(WebAnnoConst.CHAIN_TYPE);
    Mockito.when(annotationService.listAnnotationLayer(Mockito.isNull()))
            .thenReturn(Arrays.asList(relationLayer));

    JCas jcas = JCasFactory.createJCas();

    jcas.setDocumentText("This is a test.");

    Token spanThis = new Token(jcas, 0, 4);
    spanThis.addToIndexes();

    Token spanIs = new Token(jcas, 6, 8);
    spanIs.addToIndexes();

    Token spanA = new Token(jcas, 9, 10);
    spanA.addToIndexes();

    Dependency dep1 = new Dependency(jcas, 0, 8);
    dep1.setGovernor(spanThis);
    dep1.setDependent(spanIs);
    dep1.addToIndexes();

    Dependency dep2 = new Dependency(jcas, 0, 10);
    dep2.setGovernor(spanA);
    dep2.setDependent(spanIs);
    dep2.addToIndexes();

    List<LogMessage> messages = new ArrayList<>();

    boolean result = check.check(null, jcas.getCas(), messages);

    messages.forEach(System.out::println);

    assertTrue(result);
}
 

@Test
public void testSimplePath()
    throws Exception
{
    ConstraintsGrammar parser = new ConstraintsGrammar(new FileInputStream(
            "src/test/resources/rules/10.rules"));
    Parse p = parser.Parse();

    ParsedConstraints constraints = p.accept(new ParserVisitor());

    JCas jcas = JCasFactory.createJCas();
    jcas.setDocumentText("The sun.");

    // Add token annotations
    Token t_the = new Token(jcas, 0, 3);
    t_the.addToIndexes();
    Token t_sun = new Token(jcas, 0, 3);
    t_sun.addToIndexes();

    // Add POS annotations and link them to the tokens
    POS p_the = new POS(jcas, t_the.getBegin(), t_the.getEnd());
    p_the.setPosValue("DET");
    p_the.addToIndexes();
    t_the.setPos(p_the);
    POS p_sun = new POS(jcas, t_sun.getBegin(), t_sun.getEnd());
    p_sun.setPosValue("NN");
    p_sun.addToIndexes();
    t_sun.setPos(p_sun);

    // Add dependency annotations
    Dependency dep_the_sun = new Dependency(jcas);
    dep_the_sun.setGovernor(t_sun);
    dep_the_sun.setDependent(t_the);
    dep_the_sun.setDependencyType("det");
    dep_the_sun.setBegin(dep_the_sun.getGovernor().getBegin());
    dep_the_sun.setEnd(dep_the_sun.getGovernor().getEnd());
    dep_the_sun.addToIndexes();

    Evaluator constraintsEvaluator = new ValuesGenerator();

    List<PossibleValue> possibleValues = constraintsEvaluator.generatePossibleValues(
            dep_the_sun, "DependencyType", constraints);

    List<PossibleValue> expectedOutput = new LinkedList<>();
    expectedOutput.add(new PossibleValue("det", false));

    assertEquals(expectedOutput, possibleValues);
}