Examples with Feature org.apache.uima.cas.Feature used on opensource projects

Example 26 with Feature

use of org.apache.uima.cas.Feature in project webanno by webanno.

the class WebAnnoCasUtil method setLinkFeature.

private static void setLinkFeature(FeatureStructure aFS, AnnotationFeature aFeature, List<LinkWithRoleModel> aValue, Feature feature) {
    Type linkType = aFS.getCAS().getTypeSystem().getType(aFeature.getLinkTypeName());
    Feature roleFeat = linkType.getFeatureByBaseName(aFeature.getLinkTypeRoleFeatureName());
    Feature targetFeat = linkType.getFeatureByBaseName(aFeature.getLinkTypeTargetFeatureName());
    // Create all the links
    // FIXME: actually we could re-use existing link link feature structures
    List<FeatureStructure> linkFSes = new ArrayList<>();
    if (aValue != null) {
        // remove duplicate links
        Set<LinkWithRoleModel> links = new HashSet<>(aValue);
        for (LinkWithRoleModel e : links) {
            // set
            if (e.targetAddr == -1) {
                continue;
            }
            FeatureStructure link = aFS.getCAS().createFS(linkType);
            link.setStringValue(roleFeat, e.role);
            link.setFeatureValue(targetFeat, selectByAddr(aFS.getCAS(), e.targetAddr));
            linkFSes.add(link);
        }
    }
    setLinkFeatureValue(aFS, feature, linkFSes);
}

Example 27 with Feature

use of org.apache.uima.cas.Feature in project webanno by webanno.

the class RemoteApiController2 method forceSetFeatureValue.

private static void forceSetFeatureValue(FeatureStructure aFS, String aFeatureName, String aValue) {
    CASImpl casImpl = (CASImpl) aFS.getCAS().getLowLevelCAS();
    TypeSystemImpl ts = (TypeSystemImpl) aFS.getCAS().getTypeSystem();
    Feature feat = aFS.getType().getFeatureByBaseName(aFeatureName);
    int featCode = ((FeatureImpl) feat).getCode();
    int thisType = ((TypeImpl) aFS.getType()).getCode();
    if (!ts.isApprop(thisType, featCode)) {
        throw new IllegalArgumentException("Feature structure does not have that feature");
    }
    if (!ts.subsumes(ts.getType(CAS.TYPE_NAME_STRING), feat.getRange())) {
        throw new IllegalArgumentException("Not a string feature!");
    }
    casImpl.ll_setStringValue(casImpl.ll_getFSRef(aFS), featCode, aValue);
}

Example 28 with Feature

use of org.apache.uima.cas.Feature in project webanno by webanno.

the class TypeSystemAnalysis method analyzeRelationLayer.

private Optional<RelationDetails> analyzeRelationLayer(TypeSystem aTS, Type aType) {
    // A UIMA type can be a relation layer if...
    // ... there are exactly two non-primitive features
    // ... both have the same range
    // ... the range is a span layer
    List<Feature> nonPrimitiveFeatures = aType.getFeatures().stream().filter(f -> !isBuiltInFeature(f)).filter(f -> !f.getRange().isPrimitive()).collect(Collectors.toList());
    // ... there are exactly two non-primitive features
    if (nonPrimitiveFeatures.size() != 2) {
        return Optional.empty();
    }
    Feature ref1 = nonPrimitiveFeatures.get(0);
    Feature ref2 = nonPrimitiveFeatures.get(1);
    // Relations must use the names "Governor" and "Dependent" for its references because
    // these names are hardcoded throughout WebAnno.
    List<String> validNames = asList(FEAT_REL_SOURCE, FEAT_REL_TARGET);
    if (!validNames.contains(ref1.getShortName()) || !validNames.contains(ref2.getShortName())) {
        return Optional.empty();
    }
    // ... both have the same range
    if (!ref1.getRange().getName().equals(ref2.getRange().getName())) {
        return Optional.empty();
    }
    // Annotation should be fine.
    if (!aTS.subsumes(aTS.getType(CAS.TYPE_NAME_ANNOTATION), ref1.getRange())) {
        return Optional.empty();
    }
    RelationDetails details = new RelationDetails();
    details.attachLayer = ref1.getRange().getName();
    details.sourceFeature = WebAnnoConst.FEAT_REL_SOURCE;
    details.targetFeature = WebAnnoConst.FEAT_REL_TARGET;
    // Hm, ok, so this looks like a relation layer.
    return Optional.of(details);
}

Example 29 with Feature

use of org.apache.uima.cas.Feature in project webanno by webanno.

the class TypeSystemAnalysis method analyzeChainLayer.

private Optional<ChainDetails> analyzeChainLayer(TypeSystem aTS, Type aType) {
    // DKPro Core CoreferenceChain - we expect that all chains follow this convention.
    if (!aType.getName().endsWith("Chain")) {
        return Optional.empty();
    }
    // There must be an initial chain feature. The name of this feature is currently
    // hard-coded in WebAnno to the one used by the DKPro Core CoreferenceChain
    Feature first = aType.getFeatureByBaseName("first");
    if (first == null) {
        return Optional.empty();
    }
    // The initial chain features must be a non-primitive
    if (first.getRange().isPrimitive()) {
        return Optional.empty();
    }
    // The chain link must contain a feature named "next" used to connect to the next link
    Feature next = first.getRange().getFeatureByBaseName("next");
    if (next == null || !next.getRange().equals(first.getRange())) {
        return Optional.empty();
    }
    // AnnotationBase
    if (!aTS.getParent(aType).equals(aTS.getType(CAS.TYPE_NAME_ANNOTATION_BASE))) {
        return Optional.empty();
    }
    ChainDetails details = new ChainDetails();
    details.nextFeature = "next";
    // Hm, ok, so this looks like a chain layer.
    return Optional.of(details);
}

Example 30 with Feature

use of org.apache.uima.cas.Feature in project webanno by webanno.

the class TypeSystemAnalysis method analyzeFeatures.

private void analyzeFeatures(AnnotationLayer aLayer, TypeSystem aTS, TypeDescription aTD, Optional<? extends LayerDetails> aDetails) {
    Type type = aTS.getType(aTD.getName());
    for (FeatureDescription fd : aTD.getFeatures()) {
        Feature feat = type.getFeatureByBaseName(fd.getName());
        // We do not need to set up built-in features
        if (isBuiltInFeature(feat)) {
            continue;
        }
        if (aDetails.isPresent() && aDetails.get().isHiddenFeature(feat)) {
            continue;
        }
        AnnotationFeature f = analyzeFeature(aTS, fd, feat);
        features.put(aLayer.getName(), f);
    }
}