Example usage for com.google.common.collect SetMultimap isEmpty

Introduction

In this page you can find the example usage for com.google.common.collect SetMultimap isEmpty.

Prototype

boolean isEmpty();

Source Link

Document

Returns true if this multimap contains no key-value pairs.

Usage

From source file:com.addthis.hydra.query.MeshFileRefCache.java

/**
 * This method filters the file references to ensure that only valid file references are returned.
 * <p/>/*from   w w w  .  j a  v  a  2 s . c  om*/
 * The filter checks for two things.
 * <p/>
 * <ol>
 * <li>the last modified date for each file for the same task should be the same, if not it will take the
 * newest file</li>
 * <li>the size of the files should be equal, if not, take the files with the largest known size</li>
 * </ol>
 *
 * @param fileRefDataSet - the original unfiltered file reference set
 * @return - filtered file reference map containing only valid file references
 */
@Nonnull
protected static SetMultimap<Integer, FileReference> filterFileReferences(
        @Nonnull SetMultimap<Integer, FileReference> fileRefDataSet) {
    if (fileRefDataSet.isEmpty()) {
        return fileRefDataSet;
    }
    int baseKeySetSize = fileRefDataSet.keySet().size();
    SetMultimap<Integer, FileReference> filteredFileReferenceSet = HashMultimap.create(baseKeySetSize,
            fileRefDataSet.size() / baseKeySetSize);
    for (Map.Entry<Integer, Collection<FileReference>> entry : fileRefDataSet.asMap().entrySet()) {
        int key = entry.getKey();
        final Collection<FileReference> fileReferences = entry.getValue();
        long mostRecentTime = -1;

        for (FileReference fileReference : fileReferences) {
            if ((mostRecentTime < 0) || (fileReference.lastModified > mostRecentTime)) {
                mostRecentTime = fileReference.lastModified;
            }
        }

        final long mostRecentTimeF = mostRecentTime;
        Predicate<FileReference> isMostRecent = input -> (input != null)
                && (input.lastModified == mostRecentTimeF);

        Collection<FileReference> filteredFileReferences = Collections2.filter(fileReferences, isMostRecent);
        filteredFileReferenceSet.putAll(key, filteredFileReferences);
    }
    return filteredFileReferenceSet;
}

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From source file:org.eclipse.gef4.zest.fx.policies.HoverFirstAnchorageOnHoverPolicy.java

@Override
public void hover(MouseEvent e) {
    SetMultimap<IVisualPart<Node, ? extends Node>, String> anchorages = getHost().getAnchorages();
    if (anchorages == null || anchorages.isEmpty()) {
        return;/*from   w  ww.j  av a2 s  .  c o  m*/
    }
    getHost().getRoot().getViewer().<HoverModel<Node>>getAdapter(HoverModel.class)
            .setHover(anchorages.keySet().iterator().next());
}

---

From source file:org.eclipse.gef4.zest.fx.policies.HideFirstAnchorageOnClickPolicy.java

@Override
public void click(MouseEvent e) {
    SetMultimap<IVisualPart<Node, ? extends Node>, String> anchorages = getHost().getAnchorages();
    if (anchorages == null || anchorages.isEmpty()) {
        return;/*from w  w  w  .  ja va 2 s  . c  om*/
    }
    IVisualPart<Node, ? extends Node> anchorage = anchorages.keySet().iterator().next();
    HidePolicy hideNodePolicy = anchorage.getAdapter(HidePolicy.class);
    init(hideNodePolicy);
    hideNodePolicy.hide();
    commit(hideNodePolicy);
}

---

From source file:org.eclipse.gef4.zest.fx.policies.ShowHiddenNeighborsOfFirstAnchorageOnClickPolicy.java

@Override
public void click(MouseEvent e) {
    SetMultimap<IVisualPart<Node, ? extends Node>, String> anchorages = getHost().getAnchorages();
    if (anchorages == null || anchorages.isEmpty()) {
        return;/*from w w  w .j a va 2s.  c o  m*/
    }
    IVisualPart<Node, ? extends Node> anchorage = anchorages.keySet().iterator().next();
    ShowHiddenNeighborsPolicy hiddenNeighborsPolicy = anchorage.getAdapter(ShowHiddenNeighborsPolicy.class);
    init(hiddenNeighborsPolicy);
    hiddenNeighborsPolicy.showHiddenNeighbors();
    commit(hiddenNeighborsPolicy);
}

---

From source file:org.eclipse.gef4.mvc.examples.logo.parts.FXHoverHandleRootPart.java

@Override
protected void doRefreshVisual(VBox visual) {
    // check if we have a host
    SetMultimap<IVisualPart<Node, ? extends Node>, String> anchorages = getAnchorages();
    if (anchorages.isEmpty()) {
        return;/*  ww w . ja  v  a2s . c  om*/
    }

    // determine center location of host visual
    IVisualPart<Node, ? extends Node> anchorage = anchorages.keys().iterator().next();
    refreshHandleLocation(anchorage.getVisual());
}

---

From source file:info.nemoworks.airsys.policies.FXDeleteFirstAnchorageOnClickPolicy.java

@Override
public IVisualPart<Node, ? extends Node> getHost() {
    SetMultimap<IVisualPart<Node, ? extends Node>, String> anchorages = super.getHost().getParent()
            .getAnchorages();/*from w  ww. j  ava 2s .com*/
    if (anchorages == null || anchorages.isEmpty()) {
        return null;
    }
    return anchorages.keySet().iterator().next();
}

---

From source file:org.eclipse.gef4.mvc.examples.logo.rcp.parts.FXHoverHandleRootPart.java

@Override
protected void doRefreshVisual(VBox visual) {
    // check if we have a host
    SetMultimap<IVisualPart<Node, ? extends Node>, String> anchorages = getAnchoragesUnmodifiable();
    if (anchorages.isEmpty()) {
        return;/*from ww  w. ja  v  a 2  s  .c om*/
    }

    // determine center location of host visual
    IVisualPart<Node, ? extends Node> anchorage = anchorages.keys().iterator().next();
    refreshHandleLocation(anchorage.getVisual());
}

---

From source file:org.eclipse.gef4.zest.fx.parts.ZestFxHidingHandlePart.java

protected void onClicked(MouseEvent event) {
    SetMultimap<IVisualPart<Node, ? extends Node>, String> anchorages = getAnchorages();
    if (anchorages == null || anchorages.isEmpty()) {
        return;//from   ww w .  j a va2s . c o  m
    }
    IVisualPart<Node, ? extends Node> anchorage = anchorages.keySet().iterator().next();
    HideNodePolicy hideNodePolicy = anchorage.getAdapter(HideNodePolicy.class);
    hideNodePolicy.hide();
}

---

From source file:checkers.game_engine.game_rules.RuleManager.java

@Override
public SetMultimap<Position, Position> getAllAvailableMoves(Player activePlayer, Board board) {
    SetMultimap<Position, Position> allMoves = getAllAvailableCaptures(activePlayer, board);
    if (!allMoves.isEmpty()) {
        return allMoves;
    }/*  ww w. j a v a 2s.  c  o  m*/

    for (int i = 1; i < board.getSize(); i++) {
        for (int j = 1; j < board.getSize(); j++) {
            Position startPos = new Position(i, j);

            if (activePlayer == Player.PLAYER_ONE && (board.getFieldAt(i, j) == Board.WHITE_KING
                    || board.getFieldAt(i, j) == Board.WHITE_REGULAR_PIECE)) {
                allMoves.putAll(startPos, getAvailableMoves(startPos, board));
            } else if (activePlayer == Player.PLAYER_TWO && (board.getFieldAt(i, j) == Board.BLACK_KING
                    || board.getFieldAt(i, j) == Board.BLACK_REGULAR_PIECE)) {
                allMoves.putAll(startPos, getAvailableMoves(startPos, board));
            }
        }
    }
    return allMoves;
}

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From source file:com.google.devtools.build.lib.query2.output.ConditionalEdges.java

/** Builds ConditionalEdges from given graph. */
public ConditionalEdges(Digraph<Target> graph) {
    this.map = new HashMap<>();

    for (Node<Target> node : graph.getNodes()) {
        Rule rule = node.getLabel().getAssociatedRule();
        if (rule == null) {
            // rule is null for source files and package groups. Skip them.
            continue;
        }// w w w  .j a  va 2  s  .  c  om

        SetMultimap<Label, Label> conditions = getAllConditions(rule, RawAttributeMapper.of(rule));
        if (conditions.isEmpty()) {
            // bail early for most common case of no conditions in the rule.
            continue;
        }

        Label nodeLabel = node.getLabel().getLabel();
        for (Node<Target> succ : node.getSuccessors()) {
            Label successorLabel = succ.getLabel().getLabel();
            if (conditions.containsKey(successorLabel)) {
                insert(nodeLabel, successorLabel, conditions.get(successorLabel));
            }
        }
    }
}

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