Example usage for com.google.common.base Predicates notNull

Introduction

In this page you can find the example usage for com.google.common.base Predicates notNull.

Prototype

@GwtCompatible(serializable = true)
public static <T> Predicate<T> notNull()

Source Link

Document

Returns a predicate that evaluates to true if the object reference being tested is not null.

Usage

From source file:org.netbeans.modules.android.project.AndroidInfoImpl.java

@Override
public Iterable<FileObject> getDependentProjectDirs() {
    return Iterables
            .filter(Iterables.transform(getDependentProjectDirPaths(), new Function<String, FileObject>() {

                @Override/* w  w w.java2  s  . co m*/
                public FileObject apply(String input) {
                    return FileUtil.toFileObject(
                            FileUtil.normalizeFile(new File(project.getProjectDirectoryFile(), input)));
                }

            }), Predicates.notNull());
}

From source file:net.shibboleth.idp.cas.config.impl.LoginConfiguration.java

/**
 * Set the authentication flows to use.//from  www.j a v  a  2s  . c  om
 *
 * @param flows   flow identifiers to use
 */
public void setAuthenticationFlows(@Nonnull @NonnullElements final Collection<String> flows) {
    Constraint.isNotNull(flows, "Collection of flows cannot be null");

    authenticationFlows = new HashSet<>(Collections2.filter(flows, Predicates.notNull()));
}

From source file:io.crate.operation.collect.UnassignedShardsCollectService.java

private Iterable<UnassignedShard> createIterator() {
    List<ShardRouting> allShards = clusterService.state().routingTable().allShards();
    if (allShards == null || allShards.size() == 0) {
        return NO_SHARDS;
    }//from   ww w .  j a  v a  2  s  .com

    final UnassignedShardIteratorContext context = new UnassignedShardIteratorContext();
    return FluentIterable.from(allShards).transform(new Function<ShardRouting, UnassignedShard>() {
        @Nullable
        @Override
        public UnassignedShard apply(@Nullable ShardRouting input) {
            assert input != null;
            if (!input.active()) {
                return new UnassignedShard(input.shardId(), clusterService, context.isPrimary(input.shardId()),
                        input.state());
            }
            return null;
        }
    }).filter(Predicates.notNull());
}

From source file:org.jclouds.aws.ec2.compute.suppliers.RegionAndNameToImageSupplier.java

@Override
public Map<RegionAndName, ? extends Image> get() {
    if (amiOwners.length == 0) {
        logger.debug(">> no owners specified, skipping image parsing");
    } else {/*from   w w w.jav  a2  s  .  co m*/
        logger.debug(">> providing images");

        Iterable<Entry<String, DescribeImagesOptions>> queries = concat(
                getDescribeQueriesForOwnersInRegions(regionMap, amiOwners).entrySet(),
                ccAmisToDescribeQueries(ccAmis).entrySet());

        Iterable<? extends Image> parsedImages = filter(transform(describer.apply(queries), parser),
                Predicates.notNull());

        images.putAll(uniqueIndex(parsedImages, new Function<Image, RegionAndName>() {

            @Override
            public RegionAndName apply(Image from) {
                return new RegionAndName(from.getLocation().getId(), from.getProviderId());
            }

        }));

        logger.debug("<< images(%d)", images.size());
    }
    return images;
}

From source file:org.opensaml.xmlsec.impl.BasicEncryptionConfiguration.java

/**
 * Set the data encryption credentials to use.
 * //from ww w. jav  a  2  s .  co  m
 * @param credentials the list of data encryption credentials
 */
public void setDataEncryptionCredentials(@Nullable final List<Credential> credentials) {
    if (credentials == null) {
        dataEncryptionCredentials = Collections.emptyList();
        return;
    }
    dataEncryptionCredentials = new ArrayList<>(Collections2.filter(credentials, Predicates.notNull()));
}

From source file:org.jclouds.vcloud.director.v1_5.compute.strategy.VcloudDirectorAdaptingComputeServiceStrategies.java

@Override
public Iterable<? extends NodeMetadata> listDetailsOnNodesMatching(Predicate<ComputeMetadata> filter) {
    return FluentIterable.from(client.listNodes()).transform(nodeMetadataAdapter).filter(Predicates.notNull())
            .filter(filter);//from   ww w .j  ava 2 s  . co  m
}

From source file:org.kiji.schema.impl.cassandra.RowDecoders.java

/**
 * Create a new column family result set decoder function.
 *
 * @param tableName The Cassandra table that the results are from.
 * @param column The Kiji column name of the family.
 * @param columnRequest The column request defining the request for the family.
 * @param dataRequest The data request defining the request.
 * @param layout The layout of the Kiji table.
 * @param translator A column name translator for the table.
 * @param decoderProvider A cell decoder provider for the table.
 * @param <T> Type of cell values.
 * @return A function to convert a {@link ResultSet} containing a column family to cells.
 *//*from ww w  . ja v  a  2 s  .c  om*/
public static <T> Function<ResultSet, Iterator<KijiCell<T>>> getColumnFamilyDecoderFunction(
        final CassandraTableName tableName, final KijiColumnName column, final Column columnRequest,
        final KijiDataRequest dataRequest, final KijiTableLayout layout,
        final CassandraColumnNameTranslator translator, final CellDecoderProvider decoderProvider) {
    return new Function<ResultSet, Iterator<KijiCell<T>>>() {
        /** {@inheritDoc} */
        @Override
        public Iterator<KijiCell<T>> apply(final ResultSet resultSet) {
            final int mMaxVersions = columnRequest.getMaxVersions();
            final long mMinTimestamp = dataRequest.getMinTimestamp();
            final long mMaxTimestamp = dataRequest.getMaxTimestamp();

            Iterator<Row> rows = resultSet.iterator();

            if (mMinTimestamp != 0) {
                rows = Iterators.filter(rows, new MinTimestampPredicate(mMinTimestamp));
            }
            if (mMaxTimestamp != KConstants.END_OF_TIME) {
                rows = Iterators.filter(rows, new MaxTimestampPredicate(mMaxTimestamp));
            }
            rows = Iterators.filter(rows, new MaxVersionsPredicate(mMaxVersions));

            try {
                if (layout.getFamilyMap().get(column.getFamily()).isMapType()) {
                    // Map-type family
                    final Function<Row, KijiCell<T>> decoder = new MapFamilyDecoder<>(tableName,
                            translator.toCassandraColumnName(column), translator,
                            decoderProvider.<T>getDecoder(column));

                    return Iterators.transform(rows, decoder);
                } else {
                    // Group-type family
                    final Function<Row, KijiCell<T>> decoder = new GroupFamilyDecoder<>(tableName,
                            translator.toCassandraColumnName(column), translator, decoderProvider);

                    // Group family decoder may return nulls, so filter them out
                    return Iterators.filter(Iterators.transform(rows, decoder), Predicates.notNull());
                }
            } catch (NoSuchColumnException e) {
                throw new IllegalStateException(
                        String.format("Column %s does not exist in Kiji table %s.", column, layout.getName()));
            }
        }
    };
}

From source file:org.opensaml.security.x509.tls.CertificateNameOptions.java

/**
 * Set the set of types of subject alternative names evaluate as derived issuer entity ID names,
 * using integer constants defined in {@link org.opensaml.security.X509Support}.
 * //from   w  w w. ja  v a2s. com
 * @param names the set of types of subject alternative names
 */
public void setSubjectAltNames(@Nullable final Set<Integer> names) {
    if (names == null) {
        subjectAltNames = Collections.emptySet();
        return;
    }

    subjectAltNames = new HashSet<>(Collections2.filter(names, Predicates.notNull()));
}

From source file:org.apache.beam.runners.dataflow.worker.StreamingStepMetricsContainer.java

private FluentIterable<CounterUpdate> distributionUpdates() {
    return FluentIterable.from(distributions.entries())
            .transform(new Function<Entry<MetricName, DeltaDistributionCell>, CounterUpdate>() {
                @Override/*  ww w. j a v a2s .c om*/
                @Nullable
                public CounterUpdate apply(Map.Entry<MetricName, DeltaDistributionCell> entry) {
                    DistributionData value = entry.getValue().getAndReset();
                    if (value.count() == 0) {
                        return null;
                    }

                    return MetricsToCounterUpdateConverter
                            .fromDistribution(MetricKey.create(stepName, entry.getKey()), false, value);
                }
            }).filter(Predicates.notNull());
}

From source file:org.trancecode.collection.TcIterables.java

/**
 * Returns the first non-null element from the specified sequence, or the
 * specified default value if all elements from the sequence were
 * {@code null}.//w  ww  .  j  a  v  a 2  s.  c  o  m
 */
public static <T> T getFirstNonNull(final Iterable<T> elements, final T defaultValue) {
    return Iterables.getFirst(Iterables.filter(elements, Predicates.notNull()), defaultValue);
}