List of usage examples for com.google.common.collect Iterators size
public static int size(Iterator<?> iterator)
From source file:org.janusgraph.graphdb.serializer.SerializerGraphConfiguration.java
@Test public void testOnlyRegisteredSerialization() { JanusGraphManagement mgmt = graph.openManagement(); PropertyKey time = mgmt.makePropertyKey("time").dataType(Integer.class).make(); PropertyKey any = mgmt.makePropertyKey("any").cardinality(Cardinality.LIST).dataType(Object.class).make(); mgmt.buildIndex("byTime", Vertex.class).addKey(time).buildCompositeIndex(); EdgeLabel knows = mgmt.makeEdgeLabel("knows").make(); VertexLabel person = mgmt.makeVertexLabel("person").make(); mgmt.commit();// www . j ava 2 s .co m JanusGraphTransaction tx = graph.newTransaction(); JanusGraphVertex v = tx.addVertex("person"); v.property("time", 5); v.property("any", new Double(5.0)); v.property("any", new TClass1(5, 1.5f)); v.property("any", TEnum.THREE); tx.commit(); tx = graph.newTransaction(); v = (JanusGraphVertex) tx.query().has("time", 5).vertices().iterator().next(); assertEquals(5, (int) v.value("time")); assertEquals(3, Iterators.size(v.properties("any"))); tx.rollback(); //Verify that non-registered objects aren't allowed for (Object o : new Object[] { new TClass2("abc", 5) }) { tx = graph.newTransaction(); v = tx.addVertex("person"); try { v.property("any", o); //Should not be allowed tx.commit(); fail(); } catch (IllegalArgumentException e) { } finally { if (tx.isOpen()) tx.rollback(); } } }
From source file:qdg.contrib.ClosenessCentrality.java
private int ensureNumOfNodes() { if (numOfNodes == null) { numOfNodes = Iterators.size(g.getNodeIterator()); } return numOfNodes; }
From source file:net.slashies.phpBridge.AbstractLongMap.java
@Override public int size() { return Iterators.size(entryIterator()); }
From source file:org.polymap.core.data.feature.recordstore.RFeatureCollection.java
public int size() { return size.get(new Supplier<Integer>() { public Integer get() { try { PostProcessResultSet results = queryDialect.getFeatureStates(fs, query); return results.hasPostProcessing() ? Iterators.size(results.iterator()) : results.size(); } catch (Exception e) { throw new RuntimeException(e); }//from w w w . j ava2 s.c o m } }); }
From source file:io.scigraph.owlapi.postprocessors.Clique.java
@Override public void run() { logger.info("Starting clique merge"); GlobalGraphOperations globalGraphOperations = GlobalGraphOperations.at(graphDb); Transaction tx = graphDb.beginTx();/*from w w w .j a va2s . c o m*/ ResourceIterable<Node> allNodes = globalGraphOperations.getAllNodes(); int size = Iterators.size(allNodes.iterator()); tx.success(); tx.close(); logger.info(size + " nodes left to process"); tx = graphDb.beginTx(); TraversalDescription traversalDescription = graphDb.traversalDescription().breadthFirst() .uniqueness(Uniqueness.NODE_GLOBAL); for (RelationshipType rel : relationships) { traversalDescription = traversalDescription.relationships(rel, Direction.BOTH); } Set<Long> processedNodes = new HashSet<Long>(); for (Node baseNode : allNodes) { size -= 1; if (size % 100000 == 0) { logger.info(size + " nodes left to process"); } if (size % 10000 == 0) { logger.fine("Node batch commit"); tx.success(); tx.close(); tx = graphDb.beginTx(); } logger.fine("Processing Node - " + baseNode.getProperty(NodeProperties.IRI)); if (!processedNodes.contains(baseNode.getId())) { // Keep a list of equivalentNodes List<Node> clique = new ArrayList<Node>(); for (Node node : traversalDescription.traverse(baseNode).nodes()) { logger.fine("-- " + node.getProperty(NodeProperties.IRI)); clique.add(node); processedNodes.add(node.getId()); } logger.fine("clique size: " + clique.size()); if (clique.size() == 1) { Node defactoLeader = clique.get(0); markAsCliqueLeader(defactoLeader); } else { Node leader = electCliqueLeader(clique, prefixLeaderPriority); markAsCliqueLeader(leader); clique.remove(leader); // keep only the peasants moveEdgesToLeader(leader, clique, tx); ensureLabel(leader, clique); } } } tx.success(); tx.close(); }
From source file:org.geogit.api.porcelain.ResetOp.java
/** * Executes the reset operation.// w w w . j av a 2 s .co m * * @return always {@code true} */ @Override public Boolean call() { Preconditions.checkState(!(patterns.size() > 0 && mode != ResetMode.NONE), "Ambiguous call, cannot specify paths and reset mode."); final Optional<Ref> currHead = command(RefParse.class).setName(Ref.HEAD).call(); Preconditions.checkState(currHead.isPresent(), "Repository has no HEAD, can't reset."); Preconditions.checkState(currHead.get() instanceof SymRef, "Can't reset from detached HEAD"); final SymRef headRef = (SymRef) currHead.get(); final String currentBranch = headRef.getTarget(); if (commit == null) { commit = Suppliers.ofInstance(currHead.get().getObjectId()); } Preconditions.checkState(!ObjectId.NULL.equals(commit.get()), "Commit could not be resolved."); RevCommit oldCommit = repository.getCommit(commit.get()); if (patterns.size() > 0) { for (String pattern : patterns) { DiffTree diffOp = command(DiffTree.class).setOldTree(repository.getIndex().getTree().getId()) .setNewTree(oldCommit.getTreeId()).setFilterPath(pattern); Iterator<DiffEntry> diff = diffOp.call(); final long numChanges = Iterators.size(diffOp.call()); repository.getIndex().stage(subProgress((1.f / patterns.size()) * 100.f), diff, numChanges); } } else { if (mode == ResetMode.NONE) { mode = ResetMode.MIXED; } switch (mode) { case HARD: // Update the index and the working tree to the target tree getIndex().updateStageHead(oldCommit.getTreeId()); getWorkTree().updateWorkHead(oldCommit.getTreeId()); break; case SOFT: // Do not update index or working tree to the target tree break; case MIXED: // Only update the index to the target tree getIndex().updateStageHead(oldCommit.getTreeId()); break; default: throw new UnsupportedOperationException("Unsupported reset mode."); } // Update branch head to the specified commit command(UpdateRef.class).setName(currentBranch).setNewValue(oldCommit.getId()).call(); command(UpdateSymRef.class).setName(Ref.HEAD).setNewValue(currentBranch).call(); Optional<Ref> ref = command(RefParse.class).setName(Ref.MERGE_HEAD).call(); if (ref.isPresent()) { command(UpdateRef.class).setName(Ref.MERGE_HEAD).setDelete(true).call(); } } return true; }
From source file:com.continuuity.loom.scheduler.task.TaskQueueService.java
@Inject private TaskQueueService(@Named(Constants.Queue.PROVISIONER) final QueueGroup taskQueues, @Named(Constants.Queue.JOB) QueueGroup jobQueues, ClusterStoreService clusterStoreService, TenantProvisionerService tenantProvisionerService, TaskService taskService, NodeService nodeService, TenantStore tenantStore, Configuration conf, LoomStats loomStats) { this.clusterStore = clusterStoreService.getSystemView(); this.taskService = taskService; this.nodeService = nodeService; this.tenantProvisionerService = tenantProvisionerService; this.loomStats = loomStats; this.taskQueues = taskQueues; this.jobQueues = jobQueues; this.tenantStore = tenantStore; final int queueCacheSeconds = conf.getInt(Constants.Metrics.QUEUE_CACHE_SECONDS); // queue metrics can be expensive to fetch this.queueMetricsCache = CacheBuilder.newBuilder().expireAfterWrite(queueCacheSeconds, TimeUnit.SECONDS) .build(new CacheLoader<String, QueueMetrics>() { @Override/*from w w w. ja v a2s .co m*/ public QueueMetrics load(String tenantId) { int numQueued = Iterators.size(taskQueues.getQueued(tenantId)); int numInProgress = Iterators.size(taskQueues.getBeingConsumed(tenantId)); return new QueueMetrics(numQueued, numInProgress); } }); }
From source file:sg.atom.utils.datastructure.parser.DelimitedParser.java
@Override public Map<String, Object> parse(String input) throws FormattedException { try {/*from w w w . j a v a2 s.c o m*/ Iterable<String> values = splitter.split(input); if (fieldNames == null) { setFieldNames(ParserUtils.generateFieldNames(Iterators.size(values.iterator()))); } return Utils.zipMapPartial(fieldNames, Iterables.transform(values, valueFunction)); } catch (Exception e) { Throwables.propagateIfInstanceOf(e, FormattedException.class); throw new FormattedException.Builder().withErrorCode(FormattedException.ErrorCode.UNPARSABLE_ROW) .withMessage(e.getMessage()).build(); } }
From source file:org.locationtech.geogig.api.porcelain.ResetOp.java
/** * Executes the reset operation./*from w ww . j av a 2 s.c o m*/ * * @return always {@code true} */ @Override protected Boolean _call() { Preconditions.checkState(!(patterns.size() > 0 && mode != ResetMode.NONE), "Ambiguous call, cannot specify paths and reset mode."); final Optional<Ref> currHead = command(RefParse.class).setName(Ref.HEAD).call(); Preconditions.checkState(currHead.isPresent(), "Repository has no HEAD, can't reset."); Preconditions.checkState(currHead.get() instanceof SymRef, "Can't reset from detached HEAD"); final SymRef headRef = (SymRef) currHead.get(); final String currentBranch = headRef.getTarget(); if (commit == null) { commit = Suppliers.ofInstance(currHead.get().getObjectId()); } Preconditions.checkState(!ObjectId.NULL.equals(commit.get()), "Commit could not be resolved."); Repository repository = repository(); RevCommit oldCommit = repository.getCommit(commit.get()); if (patterns.size() > 0) { for (String pattern : patterns) { DiffTree diffOp = command(DiffTree.class).setOldTree(repository.index().getTree().getId()) .setNewTree(oldCommit.getTreeId()).setPathFilter(pattern); Iterator<DiffEntry> diff = diffOp.call(); final long numChanges = Iterators.size(diffOp.call()); if (numChanges == 0) { // We are reseting to the current version, so there is nothing to do. However, // if we are in a conflict state, the conflict should be removed and calling // stage() will not do it, so we do it here conflictsDatabase().removeConflict(null, pattern); } else { repository.index().stage(subProgress((1.f / patterns.size()) * 100.f), diff, numChanges); } } } else { if (mode == ResetMode.NONE) { mode = ResetMode.MIXED; } switch (mode) { case HARD: // Update the index and the working tree to the target tree index().updateStageHead(oldCommit.getTreeId()); workingTree().updateWorkHead(oldCommit.getTreeId()); break; case SOFT: // Do not update index or working tree to the target tree break; case MIXED: // Only update the index to the target tree index().updateStageHead(oldCommit.getTreeId()); break; default: throw new UnsupportedOperationException("Unsupported reset mode."); } // Update branch head to the specified commit command(UpdateRef.class).setName(currentBranch).setNewValue(oldCommit.getId()).call(); command(UpdateSymRef.class).setName(Ref.HEAD).setNewValue(currentBranch).call(); Optional<Ref> ref = command(RefParse.class).setName(Ref.MERGE_HEAD).call(); if (ref.isPresent()) { command(UpdateRef.class).setName(Ref.MERGE_HEAD).setDelete(true).call(); } } return true; }
From source file:org.apache.james.queue.rabbitmq.view.cassandra.CassandraMailQueueView.java
@Override public long getSize() { return Iterators.size(browse()); }