Example usage for com.google.common.collect ImmutableSetMultimap inverse

Introduction

In this page you can find the example usage for com.google.common.collect ImmutableSetMultimap inverse.

Prototype

ImmutableSetMultimap inverse

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Usage

From source file:com.google.errorprone.bugpatterns.RemoveUnusedImports.java

@Override
public Description matchCompilationUnit(CompilationUnitTree compilationUnitTree, VisitorState state) {
    final ImmutableSetMultimap<ImportTree, Symbol> importedSymbols = getImportedSymbols(compilationUnitTree,
            state);//from w  w  w.j  a  v  a  2 s  .  c om

    if (importedSymbols.isEmpty()) {
        return NO_MATCH;
    }

    final Set<ImportTree> unusedImports = new HashSet<>(importedSymbols.keySet());
    new TreeSymbolScanner(JavacTrees.instance(state.context), state.getTypes()).scan(compilationUnitTree,
            new SymbolSink() {
                @Override
                public boolean keepScanning() {
                    return !unusedImports.isEmpty();
                }

                @Override
                public void accept(Symbol symbol) {
                    unusedImports.removeAll(importedSymbols.inverse().get(symbol));
                }
            });

    if (unusedImports.isEmpty()) {
        return NO_MATCH;
    }
    SuggestedFix.Builder fixBuilder = SuggestedFix.builder();
    for (ImportTree unusedImport : unusedImports) {
        fixBuilder.delete(unusedImport);
    }
    return describeMatch(unusedImports.iterator().next(), fixBuilder.build());
}

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From source file:com.publictransitanalytics.scoregenerator.environment.StoredGrid.java

public StoredGrid(final SegmentFinder segmentFinder, final GeoBounds bounds, final int numLatitudeGridlines,
        final int numLongitudeGridlines, final InEnvironmentDetector detector,
        final Store<GridIdKey, GridInfo> gridInfoStore, final RangedStore<SectorKey, SectorInfo> sectorStore,
        final RangedStore<GridPointAssociationKey, GridPointAssociation> gridPointAssociationsStore)
        throws InterruptedException {

    final GridIdKey gridIdKey = new GridIdKey(bounds, numLatitudeGridlines, numLongitudeGridlines);
    final String gridId = gridIdKey.getKeyString();

    try {//ww w.  j a va  2  s  .c o  m
        final ImmutableSetMultimap<GridPoint, Sector> gridPointSectorMap;
        if (gridInfoStore.containsKey(gridIdKey)) {
            sectorTable = getSectorTable(gridId, sectorStore);
            allSectors = sectorTable.cellSet().stream().map(cell -> cell.getValue())
                    .collect(Collectors.toSet());
            final Map<String, Sector> sectorIdMap = allSectors.stream()
                    .collect(Collectors.toMap(Sector::getIdentifier, Function.identity()));
            gridPointSectorMap = getPointSectorMap(gridId, sectorIdMap, gridPointAssociationsStore);
        } else {
            final Set<Segment> segments = segmentFinder.getSegments();

            final NavigableSet<GeoLatitude> latitudeGridlines = bounds
                    .getLatitudeGridlines(numLatitudeGridlines);
            final NavigableSet<GeoLongitude> longitudeGridlines = bounds
                    .getLongitudeGridlines(numLongitudeGridlines);

            final ImmutableSetMultimap<GeoLatitude, GridPoint> latitudePointMap = getLatitudePointMap(segments,
                    bounds, latitudeGridlines);
            final ImmutableSetMultimap<GeoLongitude, GridPoint> longitudePointMap = getLongitudePointMap(
                    segments, bounds, longitudeGridlines);
            final GridIdKey gridKey = new GridIdKey(bounds, numLatitudeGridlines, numLongitudeGridlines);

            sectorTable = getSectorTable(latitudeGridlines, longitudeGridlines, detector);
            allSectors = sectorTable.cellSet().stream().map(cell -> cell.getValue())
                    .collect(Collectors.toSet());

            storeSectors(gridKey.getKeyString(), allSectors, sectorStore);

            gridPointSectorMap = dispositionSectors(latitudeGridlines, latitudePointMap, longitudeGridlines,
                    longitudePointMap, sectorTable);

            storeGridPointAssocations(gridKey.getKeyString(), gridPointSectorMap, gridPointAssociationsStore);

            final GridInfo gridInfo = new GridInfo(bounds.toString(), numLatitudeGridlines,
                    numLongitudeGridlines, allSectors.size());
            gridInfoStore.put(gridKey, gridInfo);

        }
        sectorGridPointMap = gridPointSectorMap.inverse();
        pointSectorMap = ImmutableSetMultimap.copyOf(gridPointSectorMap);
        gridPoints = gridPointSectorMap.keySet();
        reachableSectors = ImmutableSet.copyOf(gridPointSectorMap.values());
        this.bounds = bounds;
    } catch (final BitvantageStoreException e) {
        throw new ScoreGeneratorFatalException(e);
    }
}

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