Examples with MetaborgRuntimeException org.metaborg.core.MetaborgRuntimeException used on opensource projects

Example 16 with MetaborgRuntimeException

use of org.metaborg.core.MetaborgRuntimeException in project spoofax by metaborg.

the class LanguageComponent method facet.

@Override
public <T extends IFacet> T facet(Class<T> type) {
    // GTODO: code duplication with LanguageComponent, use default interface implementation in Java 8.
    final Iterable<T> facets = facets(type);
    final int size = Iterables.size(facets);
    if (size == 0) {
        return null;
    } else if (size > 1) {
        throw new MetaborgRuntimeException("Multiple facets of type " + type + " found, while only a single facet is supported");
    }
    return Iterables.get(facets, 0);
}

Example 17 with MetaborgRuntimeException

use of org.metaborg.core.MetaborgRuntimeException in project spoofax by metaborg.

the class LanguageComponent method facetContribution.

@Override
public <T extends IFacet> FacetContribution<T> facetContribution(Class<T> type) {
    // GTODO: code duplication with LanguageComponent, use default interface implementation in Java 8.
    final Iterable<FacetContribution<T>> facetContributions = facetContributions(type);
    final int size = Iterables.size(facetContributions);
    if (size == 0) {
        return null;
    } else if (size > 1) {
        throw new MetaborgRuntimeException("Multiple facets of type " + type + " found, while only a single facet is supported");
    }
    return Iterables.get(facetContributions, 0);
}

Example 18 with MetaborgRuntimeException

use of org.metaborg.core.MetaborgRuntimeException in project spoofax by metaborg.

the class LanguageImplementation method facetContribution.

@Override
public <T extends IFacet> FacetContribution<T> facetContribution(Class<T> type) {
    // GTODO: code duplication with LanguageComponent, use default interface implementation in Java 8.
    final Iterable<FacetContribution<T>> facetContributions = facetContributions(type);
    final int size = Iterables.size(facetContributions);
    if (size == 0) {
        return null;
    } else if (size > 1) {
        throw new MetaborgRuntimeException("Multiple facets of type " + type + " found, while only a single facet is supported");
    }
    return Iterables.get(facetContributions, 0);
}

Example 19 with MetaborgRuntimeException

use of org.metaborg.core.MetaborgRuntimeException in project spoofax by metaborg.

the class LanguageImplementation method facet.

@Override
public <T extends IFacet> T facet(Class<T> type) {
    // GTODO: code duplication with LanguageComponent, use default interface implementation in Java 8.
    final Iterable<T> facets = facets(type);
    final int size = Iterables.size(facets);
    if (size == 0) {
        return null;
    } else if (size > 1) {
        throw new MetaborgRuntimeException("Multiple facets of type " + type + " found, while only a single facet is supported");
    }
    return Iterables.get(facets, 0);
}

Example 20 with MetaborgRuntimeException

use of org.metaborg.core.MetaborgRuntimeException in project spoofax by metaborg.

the class AnalysisResultProcessor method request.

@Override
public Observable<A> request(final I input, final IContext context) {
    if (input.detached()) {
        throw new MetaborgRuntimeException("Cannot request updates for detached (no source) units");
    }
    final FileObject resource = input.source();
    return Observable.create(new OnSubscribe<A>() {

        @Override
        public void call(Subscriber<? super A> observer) {
            if (observer.isUnsubscribed()) {
                logger.trace("Unsubscribed from analysis result request for {}", resource);
                return;
            }
            final BehaviorSubject<AnalysisChange<A>> updates = getUpdates(input, context);
            final AnalysisChange<A> update = updates.toBlocking().first(new Func1<AnalysisChange<A>, Boolean>() {

                @Override
                public Boolean call(AnalysisChange<A> updateToFilter) {
                    final UpdateKind kind = updateToFilter.kind;
                    return kind != UpdateKind.Invalidate;
                }
            });
            if (observer.isUnsubscribed()) {
                logger.trace("Unsubscribed from analysis result request for {}", resource);
                return;
            }
            switch(update.kind) {
                case Update:
                    logger.trace("Returning cached analysis result for {}", resource);
                    observer.onNext(update.result);
                    observer.onCompleted();
                    break;
                case Error:
                    logger.trace("Returning analysis error for {}", resource);
                    observer.onError(update.exception);
                    break;
                case Remove:
                    {
                        final String message = String.format("Analysis result for %s was removed unexpectedly", resource);
                        logger.error(message);
                        observer.onError(new AnalysisException(context, message));
                        break;
                    }
                default:
                    {
                        final String message = String.format("Unexpected analysis update kind %s for %s", update.kind, resource);
                        logger.error(message);
                        observer.onError(new MetaborgRuntimeException(message));
                        break;
                    }
            }
        }
    });
}