List of usage examples for com.google.common.base Optional orNull
@Nullable public abstract T orNull();
From source file:org.geogig.osm.internal.CreateOSMChangesetOp.java
/** * Executes the diff operation./*w w w.j a v a 2s.c o m*/ * * @return an iterator to a set of differences between the two trees * @see DiffEntry */ @Override protected AutoCloseableIterator<ChangeContainer> _call() { AutoCloseableIterator<DiffEntry> nodeIterator = command(DiffOp.class).setFilter(OSMUtils.NODE_TYPE_NAME) .setNewVersion(newRefSpec).setOldVersion(oldRefSpec).setReportTrees(false).call(); AutoCloseableIterator<DiffEntry> wayIterator = command(DiffOp.class).setFilter(OSMUtils.WAY_TYPE_NAME) .setNewVersion(newRefSpec).setOldVersion(oldRefSpec).setReportTrees(false).call(); AutoCloseableIterator<DiffEntry> iterator = AutoCloseableIterator.concat(nodeIterator, wayIterator); final EntityConverter converter = new EntityConverter(); final Function<DiffEntry, ChangeContainer> function = (diff) -> { NodeRef ref = diff.changeType().equals(ChangeType.REMOVED) ? diff.getOldObject() : diff.getNewObject(); RevFeature revFeature = command(RevObjectParse.class).setObjectId(ref.getObjectId()) .call(RevFeature.class).get(); RevFeatureType revFeatureType = command(RevObjectParse.class).setObjectId(ref.getMetadataId()) .call(RevFeatureType.class).get(); SimpleFeatureBuilder featureBuilder = new SimpleFeatureBuilder( (SimpleFeatureType) revFeatureType.type()); ImmutableList<PropertyDescriptor> descriptors = revFeatureType.descriptors(); for (int i = 0; i < descriptors.size(); i++) { PropertyDescriptor descriptor = descriptors.get(i); Optional<Object> value = revFeature.get(i); featureBuilder.set(descriptor.getName(), value.orNull()); } SimpleFeature feature = featureBuilder.buildFeature(ref.name()); Entity entity = converter.toEntity(feature, id); EntityContainer container; if (entity instanceof Node) { container = new NodeContainer((Node) entity); } else { container = new WayContainer((Way) entity); } ChangeAction action = diff.changeType().equals(ChangeType.ADDED) ? ChangeAction.Create : diff.changeType().equals(ChangeType.MODIFIED) ? ChangeAction.Modify : ChangeAction.Delete; return new ChangeContainer(container, action); }; return AutoCloseableIterator.transform(iterator, function); }
From source file:org.glowroot.agent.config.PluginConfig.java
public @Nullable Double getDoubleProperty(String name) { Optional<Double> value = doubleProperties().get(name); return value == null ? null : value.orNull(); }
From source file:org.geogit.osm.changeset.internal.CreateOSMChangesetOp.java
/** * Executes the diff operation./*ww w. j a va 2 s .c o m*/ * * @return an iterator to a set of differences between the two trees * @see DiffEntry */ @Override public Iterator<ChangeContainer> call() { Iterator<DiffEntry> nodeIterator = command(DiffOp.class).setFilter(OSMUtils.NODE_TYPE_NAME) .setNewVersion(newRefSpec).setOldVersion(oldRefSpec).setReportTrees(false).call(); Iterator<DiffEntry> wayIterator = command(DiffOp.class).setFilter(OSMUtils.WAY_TYPE_NAME) .setNewVersion(newRefSpec).setOldVersion(oldRefSpec).setReportTrees(false).call(); Iterator<DiffEntry> iterator = Iterators.concat(nodeIterator, wayIterator); final EntityConverter converter = new EntityConverter(); Function<DiffEntry, ChangeContainer> function = new Function<DiffEntry, ChangeContainer>() { @Override @Nullable public ChangeContainer apply(@Nullable DiffEntry diff) { NodeRef ref = diff.changeType().equals(ChangeType.REMOVED) ? diff.getOldObject() : diff.getNewObject(); RevFeature revFeature = command(RevObjectParse.class).setObjectId(ref.objectId()) .call(RevFeature.class).get(); RevFeatureType revFeatureType = command(RevObjectParse.class).setObjectId(ref.getMetadataId()) .call(RevFeatureType.class).get(); SimpleFeatureBuilder featureBuilder = new SimpleFeatureBuilder( (SimpleFeatureType) revFeatureType.type()); ImmutableList<PropertyDescriptor> descriptors = revFeatureType.sortedDescriptors(); ImmutableList<Optional<Object>> values = revFeature.getValues(); for (int i = 0; i < descriptors.size(); i++) { PropertyDescriptor descriptor = descriptors.get(i); Optional<Object> value = values.get(i); featureBuilder.set(descriptor.getName(), value.orNull()); } SimpleFeature feature = featureBuilder.buildFeature(ref.name()); Entity entity = converter.toEntity(feature); EntityContainer container; if (entity instanceof Node) { container = new NodeContainer((Node) entity); } else { container = new WayContainer((Way) entity); } ChangeAction action = diff.changeType().equals(ChangeType.ADDED) ? ChangeAction.Create : diff.changeType().equals(ChangeType.MODIFIED) ? ChangeAction.Modify : ChangeAction.Delete; return new ChangeContainer(container, action); } }; return Iterators.transform(iterator, function); }
From source file:org.apache.usergrid.corepersistence.pipeline.read.traverse.ReadGraphConnectionByTypeFilter.java
@Override public Observable<FilterResult<Id>> call(final Observable<FilterResult<Id>> filterResultObservable) { //get the graph manager final GraphManager graphManager = graphManagerFactory .createEdgeManager(pipelineContext.getApplicationScope()); final String edgeName = getEdgeTypeFromConnectionType(connectionName); //return all ids that are emitted from this edge return filterResultObservable.flatMap(idFilterResult -> { //set our our constant state final Optional<MarkedEdge> startFromCursor = getSeekValue(); final Id id = idFilterResult.getValue(); final Optional<Edge> typeWrapper = Optional.fromNullable(startFromCursor.orNull()); final SimpleSearchByIdType search = new SimpleSearchByIdType(id, edgeName, Long.MAX_VALUE, SearchByEdgeType.Order.DESCENDING, entityType, typeWrapper); return graphManager.loadEdgesFromSourceByType(search) .map(edge -> createFilterResult(edge.getTargetNode(), edge, idFilterResult.getPath())); });/*from w w w . j av a2s. c o m*/ }
From source file:org.locationtech.geogig.osm.internal.CreateOSMChangesetOp.java
/** * Executes the diff operation./* w ww . j a v a2s .co m*/ * * @return an iterator to a set of differences between the two trees * @see DiffEntry */ @Override protected Iterator<ChangeContainer> _call() { Iterator<DiffEntry> nodeIterator = command(DiffOp.class).setFilter(OSMUtils.NODE_TYPE_NAME) .setNewVersion(newRefSpec).setOldVersion(oldRefSpec).setReportTrees(false).call(); Iterator<DiffEntry> wayIterator = command(DiffOp.class).setFilter(OSMUtils.WAY_TYPE_NAME) .setNewVersion(newRefSpec).setOldVersion(oldRefSpec).setReportTrees(false).call(); Iterator<DiffEntry> iterator = Iterators.concat(nodeIterator, wayIterator); final EntityConverter converter = new EntityConverter(); Function<DiffEntry, ChangeContainer> function = new Function<DiffEntry, ChangeContainer>() { @Override @Nullable public ChangeContainer apply(@Nullable DiffEntry diff) { NodeRef ref = diff.changeType().equals(ChangeType.REMOVED) ? diff.getOldObject() : diff.getNewObject(); RevFeature revFeature = command(RevObjectParse.class).setObjectId(ref.objectId()) .call(RevFeature.class).get(); RevFeatureType revFeatureType = command(RevObjectParse.class).setObjectId(ref.getMetadataId()) .call(RevFeatureType.class).get(); SimpleFeatureBuilder featureBuilder = new SimpleFeatureBuilder( (SimpleFeatureType) revFeatureType.type()); ImmutableList<PropertyDescriptor> descriptors = revFeatureType.sortedDescriptors(); ImmutableList<Optional<Object>> values = revFeature.getValues(); for (int i = 0; i < descriptors.size(); i++) { PropertyDescriptor descriptor = descriptors.get(i); Optional<Object> value = values.get(i); featureBuilder.set(descriptor.getName(), value.orNull()); } SimpleFeature feature = featureBuilder.buildFeature(ref.name()); Entity entity = converter.toEntity(feature, id); EntityContainer container; if (entity instanceof Node) { container = new NodeContainer((Node) entity); } else { container = new WayContainer((Way) entity); } ChangeAction action = diff.changeType().equals(ChangeType.ADDED) ? ChangeAction.Create : diff.changeType().equals(ChangeType.MODIFIED) ? ChangeAction.Modify : ChangeAction.Delete; return new ChangeContainer(container, action); } }; return Iterators.transform(iterator, function); }
From source file:org.eclipse.buildship.ui.preferences.GradleWorkbenchPreferencePage.java
private void validate() { String resolvedGradleUserHome = getResolvedGradleUserHome(); File gradleUserHome = FileUtils.getAbsoluteFile(resolvedGradleUserHome).orNull(); Optional<String> error = this.gradleUserHomeValidator.validate(gradleUserHome); setValid(!error.isPresent());/*from w ww . j ava 2s .c om*/ setErrorMessage(error.orNull()); }
From source file:com.pinterest.teletraan.resource.Images.java
@GET public List<ImageBean> getImagesByAppname(@QueryParam("app") Optional<String> appName, @QueryParam("start") Optional<Integer> start, @QueryParam("size") Optional<Integer> size) throws Exception { return imageDAO.getImages(appName.orNull(), start.or(1), size.or(DEFAULT_PAGE_SIZE)); }
From source file:org.locationtech.geogig.api.RevFeatureImpl.java
@Override public String toString() { StringBuilder builder = new StringBuilder(); builder.append("Feature["); builder.append(getId().toString());//from w w w . j av a 2 s . c o m builder.append("; "); boolean first = true; for (Optional<Object> value : getValues()) { if (first) { first = false; } else { builder.append(", "); } String valueString = String.valueOf(value.orNull()); builder.append(valueString.substring(0, Math.min(10, valueString.length()))); } builder.append(']'); return builder.toString(); }
From source file:org.opendaylight.controller.cluster.datastore.ShardTransaction.java
protected void readData(AbstractShardDataTreeTransaction<?> transaction, ReadData message) { if (checkClosed(transaction)) { return;//from w w w .j a va 2 s . c o m } final YangInstanceIdentifier path = message.getPath(); Optional<NormalizedNode<?, ?>> optional = transaction.getSnapshot().readNode(path); ReadDataReply readDataReply = new ReadDataReply(optional.orNull(), message.getVersion()); sender().tell(readDataReply.toSerializable(), self()); }
From source file:org.opendaylight.yangtools.yang.model.repo.api.SourceIdentifier.java
/** * Creates new YANG Schema source identifier. * * @param name/*from ww w . ja v a2 s . c om*/ * Name of schema * @param formattedRevision * Revision of source in format YYYY-mm-dd. If not present, * default value will be used. */ SourceIdentifier(final String name, final Optional<String> formattedRevision) { this.name = Preconditions.checkNotNull(name); this.revision = formattedRevision.orNull(); }