Example usage for com.google.common.collect ImmutableSet builder

Introduction

In this page you can find the example usage for com.google.common.collect ImmutableSet builder.

Prototype

public static <E> Builder<E> builder()

Source Link

Usage

From source file:graph.features.cpp.NodeOfDegree1Pruning.java

private Map<T, Integer> computeData(final UndirectedGraph<T> graph) {

    final Map<T, Integer> deltas = Maps.newHashMap();

    final DegreeInterface<T> degreeInterface = graph.fetch(DegreeFeature.class).up();

    final ImmutableSet.Builder<WeightedEdge<T>> doubledEdgesbuilder = new ImmutableSet.Builder<WeightedEdge<T>>();

    final Map<T, Integer> nodesWithDegree1 = degreeInterface.getNodesHavingDegree(1);
    final List<T> nodes = Lists.newArrayList(nodesWithDegree1.keySet());
    for (final T node : nodes) {
        final WeightedEdge<T> edge = graph.getEdgesFrom(node).iterator().next();
        Integer integer1 = deltas.get(edge.getEndPoint1());
        if (integer1 == null)
            integer1 = 0;//from  w ww.ja  v  a2  s .c o m
        deltas.put(edge.getEndPoint1(), integer1 + 1);
        Integer integer2 = deltas.get(edge.getEndPoint2());
        if (integer2 == null)
            integer2 = 0;
        deltas.put(edge.getEndPoint2(), integer2 + 1);
        doubledEdgesbuilder.add(edge);
    }
    this.doubledEdges = doubledEdgesbuilder.build();

    final Builder<T, Integer> remainingOddVerticesBuilder = new ImmutableMap.Builder<T, Integer>();
    final Set<T> remainingOddVertices = Sets.newHashSet();
    for (final Entry<T, Integer> entry : degreeInterface.getDegreeByNode().entrySet()) {
        final T node = entry.getKey();
        final Integer degree = entry.getValue();
        Integer delta = deltas.get(node);
        if (delta == null)
            delta = 0;
        remainingOddVerticesBuilder.put(node, degree + delta);
        if ((degree + delta) % 2 == 1)
            remainingOddVertices.add(node);
    }
    this.remainingOddVertices = remainingOddVertices;

    return remainingOddVerticesBuilder.build();
}

From source file:org.fcrepo.kernel.utils.impl.DistributedFixityCheck.java

@Override
public Collection<FixityResult> call() throws Exception {
    final ImmutableSet.Builder<FixityResult> fixityResults = new ImmutableSet.Builder<>();

    for (final CacheStore store : stores()) {

        final String digest = ContentDigest.getAlgorithm(new URI("urn:sha1"));

        FixityInputStream fixityInputStream;
        final InputStream cacheLoaderChunkInputStream = new StoreChunkInputStream(store, dataKey);

        fixityInputStream = new FixityInputStream(cacheLoaderChunkInputStream,
                MessageDigest.getInstance(digest));
        IOUtils.copy(fixityInputStream, NULL_OUTPUT_STREAM);

        final URI calculatedChecksum = ContentDigest.asURI(digest,
                fixityInputStream.getMessageDigest().digest());
        fixityResults.add(new FixityResultImpl(getExternalIdentifier(store), fixityInputStream.getByteCount(),
                calculatedChecksum));/*from w  w  w.  j av  a2 s .co m*/
    }

    return fixityResults.build();
}

From source file:org.spongepowered.api.util.GuavaCollectors.java

/**
 * Collect the values from a stream to an {@link ImmutableSet}.
 *
 * @param <T> The type of elements contained in the set
 * @return The appropriate collector//  w w  w .  ja v  a  2  s  .  co  m
 */
@SuppressWarnings({ "unchecked", "rawtypes" }) // We are just sharing an instance
public static <T> Collector<T, ImmutableSet.Builder<T>, ImmutableSet<T>> toImmutableSet() {
    return (Collector) IMMUTABLE_SET_COLLECTOR;
}

From source file:es.udc.pfc.gamelib.chess.MiniChessGame.java

private final ImmutableSet<ChessMovement> getPossibleMovements(final ChessBoard board, final ChessColor turn) {
    final ImmutableSet.Builder<ChessMovement> moves = ImmutableSet.builder();

    for (final ChessPiece piece : board.getAllPieces()) {
        if (!currentTurn.equals(piece.getColor()))
            continue;

        final Position from = board.getPositionFor(piece);

        if (piece instanceof ChessBishop) {
            for (final Position to : ((ChessBishop) piece).getMiniMoves(board)) {
                moves.add(checkMovement(from, to));
            }//from  ww w .java 2  s .  com
        } else {
            for (final Position to : piece.getStandardMoves(board)) {
                moves.add(checkMovement(from, to));
            }
        }
    }

    return moves.build();
}

From source file:org.sosy_lab.cpachecker.cpa.pointer2.util.ExplicitLocationSet.java

@Override
public LocationSet addElements(Iterable<String> pLocations) {
    ImmutableSet.Builder<String> builder = null;
    for (String target : pLocations) {
        if (!explicitSet.contains(target)) {
            if (builder == null) {
                builder = ImmutableSet.builder();
                builder.addAll(explicitSet);
            }//  www. j a  va  2 s . com
            builder.add(target);
        }
    }
    if (builder == null) {
        return this;
    }
    return new ExplicitLocationSet(builder.build());
}

From source file:org.gradle.api.internal.artifacts.ivyservice.resolveengine.excludes.ImmutableModuleExclusionSet.java

private synchronized void precomputeCaches() {
    if (excludedModules != null) {
        return;// w w  w. j av  a2s.c  o m
    }
    ImmutableSet.Builder<ModuleIdentifier> moduleIds = ImmutableSet.builder();
    ImmutableList.Builder<AbstractModuleExclusion> modules = ImmutableList.builder();
    ImmutableList.Builder<AbstractModuleExclusion> artifacts = ImmutableList.builder();
    for (AbstractModuleExclusion exclusion : delegate) {
        if (exclusion instanceof ModuleIdExcludeSpec) {
            moduleIds.add(((ModuleIdExcludeSpec) exclusion).moduleId);
        } else {
            if (!exclusion.excludesNoModules()) {
                modules.add(exclusion);
            }
            if (exclusion.mayExcludeArtifacts()) {
                artifacts.add(exclusion);
            }
        }
    }
    excludedModules = moduleIds.build();
    moduleExcludes = modules.build();
    artifactExcludes = artifacts.build();
}

From source file:org.jclouds.googlecompute.options.FirewallOptions.java

/**
 * @see org.jclouds.googlecompute.domain.Firewall#getAllowed()
 *///from   w w  w  . j a  va  2  s.c  om
public FirewallOptions allowedRules(Set<Firewall.Rule> allowedRules) {
    this.allowed = ImmutableSet.builder();
    this.allowed.addAll(allowedRules);
    return this;
}

From source file:org.lenskit.data.entities.BasicEntity.java

@Override
public Set<TypedName<?>> getTypedAttributeNames() {
    // TODO Make this more efficient
    ImmutableSet.Builder<TypedName<?>> bld = ImmutableSet.builder();
    for (Attribute<?> name : attributes.values()) {
        bld.add(name.getTypedName());/* ww  w . ja  va  2  s.c  o  m*/
    }
    return bld.build();
}

From source file:com.github.errantlinguist.io.ImmutableSetFileParser.java

/**
 * //from   w  ww.  j ava  2 s.  co  m
 * @param transformer
 *            The {@link Function} used for transforming each file line into
 *            the desired output type.
 */
public ImmutableSetFileParser(final Function<String, O> transformer) {
    parseBuilder = ImmutableSet.builder();

    this.transformer = transformer;

    this.hashCode = calculateHashCode();
}

From source file:ch.ledcom.tomcat.valves.allocation.RequestAllocationRecorderValve.java

public RequestAllocationRecorderValve() {
    disabled = parseBoolean(System.getProperty(PROP_DISABLED), false);
    boolean printSummary = parseBoolean(System.getProperty(PROP_PRINT_SUMMARY), false);
    int printSummaryPeriod = parseInt(System.getProperty(PROP_PRINT_SUMMARY_PERIOD), 1);

    if (!disabled) {
        threadAllocationTracer = new InstrumentedThreadAllocationTracer();
    } else {//from   ww  w  . j  a  v  a  2 s .  c o m
        threadAllocationTracer = null;
    }

    ImmutableSet.Builder<AllocationReporter> builder = ImmutableSet.builder();
    builder.add(new AllocationLogger());

    if (printSummary) {
        builder.add(new SummaryAllocationLogger(printSummaryPeriod));
    }
    reporters = builder.build();
}