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

Introduction

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

Prototype

boolean isEmpty();

Source Link

Document

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

Usage

From source file:com.b2international.snowowl.datastore.server.oplock.impl.RemoteLockTargetListener.java

@Override
protected void onLogout(final IApplicationSessionManager manager, final RpcSession session) {

    if (null == session) {
        return;//from  w  w w. ja v  a2 s. c o m
    }

    if (!remotelyLockedContexts.containsKey(session)) {
        return;
    }

    final Multimap<IOperationLockTarget, DatastoreLockContext> targetsForSession = remotelyLockedContexts
            .remove(session);

    if (targetsForSession.isEmpty()) {
        return;
    }

    final String disconnectedUserId = (String) session.get(IApplicationSessionManager.KEY_USER_ID);
    if (null == disconnectedUserId) {
        return;
    }

    LOGGER.warn("Disconnected client had locks granted, unlocking.");

    final IDatastoreOperationLockManager lockManager = ApplicationContext.getInstance()
            .getServiceChecked(IDatastoreOperationLockManager.class);

    for (final Entry<IOperationLockTarget, DatastoreLockContext> targetContextPair : targetsForSession
            .entries()) {
        try {
            lockManager.unlock(targetContextPair.getValue(), targetContextPair.getKey());
        } catch (final OperationLockException e) {
            LOGGER.error("Failed to unlock targets left after closed session.", e);
        }
    }
}

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From source file:com.palantir.atlasdb.keyvalue.impl.ValidatingQueryRewritingKeyValueService.java

@Override
public void delete(String tableName, Multimap<Cell, Long> keys) {
    if (keys.isEmpty()) {
        return;/*from w ww.  jav a  2  s .  co  m*/
    }
    delegate.delete(tableName, keys);
}

---

From source file:fr.ujm.tse.lt2c.satin.rules.run.RunRHODF6d.java

@Override
protected int process(final TripleStore ts1, final TripleStore ts2, final Collection<Triple> outputTriples) {

    final long domain = AbstractDictionary.domain;
    final long range = AbstractDictionary.range;
    final long subPropertyOf = AbstractDictionary.subPropertyOf;

    int loops = 0;

    final Multimap<Long, Long> domainMultiMap = ts2.getMultiMapForPredicate(domain);
    final Multimap<Long, Long> rangeMultiMap = ts2.getMultiMapForPredicate(range);
    if (domainMultiMap != null && !domainMultiMap.isEmpty()) {
        for (final Long s : domainMultiMap.keySet()) {
            loops++;/*from  w w  w .  j a  v  a  2 s.c o  m*/
            final Triple result = new ImmutableTriple(s, subPropertyOf, s);
            outputTriples.add(result);
        }
    }
    if (rangeMultiMap != null && !rangeMultiMap.isEmpty()) {
        for (final Long s : rangeMultiMap.keySet()) {
            loops++;
            final Triple result = new ImmutableTriple(s, subPropertyOf, s);
            outputTriples.add(result);
        }
    }

    return loops;

}

---

From source file:model.utilities.dummies.GeographicalCustomer.java

/**
 * Chooses which of this firms the customer wants to choose, if any.
 * @param firmsToChooseFrom The list of available firms
 * @return The firm chosen, or null if none is chosen
 *///  ww w .j a  v  a2 s .c o  m

public GeographicalFirm chooseSupplier(final Multimap<GeographicalFirm, Quote> firmsToChooseFrom) {
    Preconditions.checkArgument(!firmsToChooseFrom.isEmpty());
    handleNewEvent(
            new LogEvent(this, LogLevel.TRACE, "was given these firms to choose from: {}", firmsToChooseFrom));

    //basically we want to find the minimum price+distance
    GeographicalFirm best = Collections.min(firmsToChooseFrom.keySet(), new Comparator<GeographicalFirm>() {
        @Override
        public int compare(GeographicalFirm o1, GeographicalFirm o2) {
            //price + distance
            double pricePlusDistance1 = firmsToChooseFrom.get(o1).iterator().next().getPriceQuoted()
                    + distance(GeographicalCustomer.this, o1);
            assert pricePlusDistance1 >= 0;

            double pricePlusDistance2 = firmsToChooseFrom.get(o2).iterator().next().getPriceQuoted()
                    + distance(GeographicalCustomer.this, o2);
            assert pricePlusDistance2 >= 0;

            return Double.compare(pricePlusDistance1, pricePlusDistance2);
        }
    });

    assert best != null;
    //is the minimum price distance okay?

    final long bestPriceAtSource = firmsToChooseFrom.get(best).iterator().next().getPriceQuoted();
    double bestPricePlusDistance = bestPriceAtSource + distance(GeographicalCustomer.this, best);
    //log it!
    handleNewEvent(
            new LogEvent(this, LogLevel.TRACE, "the best firm found was {}, pricing {}, total personal cost {}",
                    best, bestPriceAtSource, bestPricePlusDistance));

    if (bestPricePlusDistance <= getMaxPrice()) {
        handleNewEvent(new LogEvent(this, LogLevel.TRACE, "decided to buy from chosen best"));
        return best;
    } else
        return null;

}

---

From source file:de.metas.ui.web.window.descriptor.DocumentFieldDependencyMap.java

public void consumeForChangedFieldName(final String changedFieldName, final IDependencyConsumer consumer) {
    for (final DependencyType dependencyType : DependencyType.values()) {
        final Multimap<String, String> name2dependencies = type2name2dependencies.get(dependencyType);
        if (name2dependencies == null || name2dependencies.isEmpty()) {
            continue;
        }/*w w  w . j  a v a 2  s .  co m*/

        for (final String dependentFieldName : name2dependencies.get(changedFieldName)) {
            consumer.consume(dependentFieldName, dependencyType);
        }
    }
}

---

From source file:com.ardor3d.util.TextureManager.java

/**
 * Delete all textures from card. This will gather all texture ids believed to be on the card and try to delete
 * them. If a deleter is passed in, textures that are part of the currently active context (if one is active) will
 * be deleted immediately. If a deleter is not passed in, we do not have an active context, or we encounter textures
 * that are not part of the current context, then we will queue those textures to be deleted later using the
 * GameTaskQueueManager.//w  ww  . j av  a 2s .co m
 * 
 * If a non null map is passed into futureStore, it will be populated with Future objects for each queued context.
 * These objects may be used to discover when the deletion tasks have all completed.
 * 
 * @param deleter
 *            if not null, this renderer will be used to immediately delete any textures in the currently active
 *            context. All other textures will be queued to delete in their own contexts.
 * @param futureStore
 *            if not null, this map will be populated with any Future task handles created during cleanup.
 */
public static void cleanAllTextures(final Renderer deleter, final Map<Object, Future<Void>> futureStore) {
    // gather up expired textures... these don't exist in our cache
    Multimap<Object, Integer> idMap = gatherGCdIds();

    // Walk through the cached items and gather those too.
    for (final TextureKey key : _tCache.keySet()) {
        // possibly lazy init
        if (idMap == null) {
            idMap = ArrayListMultimap.create();
        }

        if (Constants.useMultipleContexts) {
            final Set<Object> contextObjects = key.getContextObjects();
            for (final Object o : contextObjects) {
                // Add id to map
                idMap.put(o, key.getTextureIdForContext(o));
            }
        } else {
            idMap.put(ContextManager.getCurrentContext().getGlContextRep(), key.getTextureIdForContext(null));
        }
        key.removeFromIdCache();
    }

    // delete the ids
    if (idMap != null && !idMap.isEmpty()) {
        handleTextureDelete(deleter, idMap, futureStore);
    }
}

---

From source file:net.shibboleth.idp.saml.metadata.impl.AttributeMappingNodeProcessor.java

/**
 * Look inside the {@link AttributeConsumingService} for any {@link RequestedAttribute}s and map them.
 * /*w  w w .  j  av a2s  .c  o m*/
 * @param acs the {@link AttributeConsumingService} to look at
 */
private void handleAttributeConsumingService(AttributeConsumingService acs) {
    final List<RequestedAttribute> requestedAttributes = acs.getRequestAttributes();
    final RequestedAttributesMapper mapper = getRequestedAttributesMapper();
    if (null == requestedAttributes || requestedAttributes.isEmpty() || null == mapper) {
        return;
    }
    final Multimap<String, IdPRequestedAttribute> maps = mapper.mapAttributes(requestedAttributes);
    if (null == maps || maps.isEmpty()) {
        return;
    }
    acs.getObjectMetadata().put(new AttributesMapContainer<>(maps));
}

---

From source file:net.shibboleth.idp.saml.metadata.impl.AttributeMappingNodeProcessor.java

/**
 * Look inside the {@link EntityDescriptor} for entities Attributes and map them.
 * /* www  .j  av a 2s. c om*/
 * @param entity the entity
 */
private void handleEntityDescriptor(EntityDescriptor entity) {
    final SAML2AttributesMapper mapper = getAttributesMapper();
    final Extensions extensions = entity.getExtensions();
    if (null == extensions || null == mapper) {
        return;
    }
    final List<XMLObject> entityAttributesList = extensions
            .getUnknownXMLObjects(EntityAttributes.DEFAULT_ELEMENT_NAME);
    if (null == entityAttributesList || entityAttributesList.isEmpty()) {
        return;
    }
    final List<Attribute> entityAttributes = new ArrayList<>();
    for (XMLObject xmlObj : entityAttributesList) {
        if (xmlObj instanceof EntityAttributes) {
            EntityAttributes ea = (EntityAttributes) xmlObj;
            entityAttributes.addAll(ea.getAttributes());
        }
    }
    final Multimap<String, IdPAttribute> maps = mapper.mapAttributes(entityAttributes);
    if (null == maps || maps.isEmpty()) {
        return;
    }
    entity.getObjectMetadata().put(new AttributesMapContainer<>(maps));
}

---

From source file:com.haulmont.timesheets.global.WeeklyReportConverter.java

public List<WeeklyReportEntry> convertFromTimeEntries(List<TimeEntry> timeEntries) {

    if (timeEntries.isEmpty()) {
        return Collections.emptyList();
    }// w ww  .  jav a  2  s.c o  m

    final Multimap<TimeEntryGroupKey, TimeEntry> groupedTimeEntries = ArrayListMultimap.create();

    for (TimeEntry timeEntry : timeEntries) {
        groupedTimeEntries.put(new TimeEntryGroupKey(timeEntry), timeEntry);
    }

    if (groupedTimeEntries.isEmpty()) {
        return Collections.emptyList();
    }

    List<WeeklyReportEntry> reportEntries = new ArrayList<>();
    for (Map.Entry<TimeEntryGroupKey, Collection<TimeEntry>> entry : groupedTimeEntries.asMap().entrySet()) {
        WeeklyReportEntry reportEntry = new WeeklyReportEntry();
        TimeEntryGroupKey entryKey = entry.getKey();
        reportEntry.setProject(entryKey.project);
        reportEntry.setTask(entryKey.task);
        reportEntry.setActivityType(entryKey.activityType);
        for (TimeEntry timeEntry : entry.getValue()) {
            reportEntry.addTimeEntry(timeEntry);
        }
        reportEntries.add(reportEntry);
    }

    return reportEntries;
}

---

From source file:com.palantir.atlasdb.sweep.SweepTaskRunner.java

private void sweepCells(String tableName, Multimap<Cell, Long> cellTsPairsToSweep, Set<Cell> sentinelsToAdd) {
    if (cellTsPairsToSweep.isEmpty()) {
        return;/*from ww  w . j a va2 s .com*/
    }

    for (Follower follower : followers) {
        follower.run(txManager, tableName, cellTsPairsToSweep.keySet(), TransactionType.HARD_DELETE);
    }
    if (!sentinelsToAdd.isEmpty()) {
        keyValueService.addGarbageCollectionSentinelValues(tableName, sentinelsToAdd);
    }
    keyValueService.delete(tableName, cellTsPairsToSweep);
}

---

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